!!!I NEED HELP ASAP!!! PLEASE!
Explain how damaging hemoglobin (macromolecule that carries oxygen in red blood cells)
would impact a person on the following levels: molecule, macromolecule, cell, tissue, organ,
organ system and organism.
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which statement describes the year temperature in a rainforest
Related Questions
Where does meiosis occur in plants?
Answers
In your opinion,
which cell organelle
do you think is the
most important?
Explain.
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which of the following factors would not increase the virulence of a specific microbe
Answers
The presence of a microbe in small numbers would not increase its virulence.
Virulence refers to the ability of a microorganism to cause disease or harm within a host. Factors that enhance virulence typically involve mechanisms that allow the microbe to evade or overcome the host's immune system and cause more severe damage.
Options a, b, and d are all factors that can increase the virulence of a microbe. Secretion of toxins can directly damage host cells and tissues, leading to disease progression. Bacterial pili, which are hair-like appendages on the surface of some bacteria, can aid in attachment to host cells and enhance the ability to invade tissues. Secretion of invasive enzymes can facilitate the penetration of the microbe into host tissues and contribute to the spread of infection.
However, the presence of a microbe in small numbers alone does not necessarily increase its virulence. Virulence is more dependent on the specific mechanisms and factors employed by the microbe to establish infection and cause harm, rather than the numerical abundance of the microbe. In fact, some highly virulent pathogens can cause severe disease even when present in relatively small numbers due to their potent virulence factors and the ability to evade host defenses.
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The complete question is:
Which of the following factors would not increase the virulence of a specific microbe?
a. secretion of toxins. b. presence of bacterial pili. c. presence in small numbers. d. secretion of invasive enzymes.
Please explain 11 Incoterm rules, their usages and examples.
nd compare differences between them.
Answers
Incoterms are a set of standardized international trade rules that define the responsibilities and obligations of buyers and sellers in terms of delivery, risk transfer, and costs. Understanding these 11 Incoterms is crucial for ensuring smooth and transparent global trade transactions.
1. EXW (Ex Works): The seller makes the goods available at their premises, and the buyer is responsible for all transportation and costs. Example: "EXW Factory A" - Buyer arranges pickup from Factory A.
2. FCA (Free Carrier): The seller delivers the goods, cleared for export, to a carrier nominated by the buyer. Example: "FCA Port B" - Seller hands goods to the carrier at Port B.
3. FAS (Free Alongside Ship): The seller delivers the goods alongside a vessel nominated by the buyer at a specific port. Example: "FAS Port C" - Goods placed next to the ship at Port C.
4. FOB (Free on Board): The seller delivers the goods on board a vessel nominated by the buyer at a specified port. Example: "FOB Port D" - Seller ensures goods are on the vessel at Port D.
5. CFR (Cost and Freight): The seller covers the cost of goods and freight to the destination port. Example: "CFR Port E" - Seller pays for freight to Port E.
6. CIF (Cost, Insurance, and Freight): Similar to CFR, but the seller also provides insurance against loss or damage during transportation. Example: "CIF Port F" - Seller covers insurance in addition to freight to Port F.
7. CPT (Carriage Paid To): The seller delivers goods to a carrier and pays for transportation to the named destination. Example: "CPT Warehouse G" - Seller covers transport to Warehouse G.
8. CIP (Carriage and Insurance Paid To): Similar to CPT, but the seller also provides insurance against loss or damage during transportation. Example: "CIP Warehouse H" - Seller covers insurance and transport to Warehouse H.
9. DAP (Delivered at Place): The seller delivers goods to the buyer at a named place, without unloading. Example: "DAP Buyer's Facility" - Seller is responsible for delivery to the buyer's facility.
10. DPU (Delivered at Place Unloaded): The seller delivers goods to the named destination, including unloading. Example: "DPU Warehouse I" - Seller handles delivery and unloading at Warehouse I.
11. DDP (Delivered Duty Paid): The seller delivers goods to the buyer, cleared for import, and pays all applicable duties and taxes. Example: "DDP Customer's Doorstep" - Seller handles delivery and customs duties to the customer's location.
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The Incoterms rules define the obligations and responsibilities of buyers and sellers in international trade. Understanding these rules is crucial for determining who is responsible for various aspects of the transaction, such as transportation, insurance, and costs. Each Incoterm rule has its own specific usage and implications, and it's important to select the appropriate one based on the nature of the transaction and the parties' agreements.
The Incoterms (International Commercial Terms) are a set of standardized rules established by the International Chamber of Commerce (ICC) to govern international trade. They define the responsibilities of buyers and sellers in terms of the delivery of goods, the transfer of risk, and the allocation of costs.
There are 11 Incoterms rules, each with its specific usage and set of responsibilities. Here is a brief explanation of each rule, along with examples:
1. EXW (Ex Works): The seller makes the goods available at their premises, and the buyer is responsible for all transportation and costs from the seller's location to the final destination.
Example: The seller delivers the goods to their warehouse, and the buyer arranges transportation from there.
2. FCA (Free Carrier): The seller delivers the goods to a carrier chosen by the buyer, and the risk transfers to the buyer once the goods are handed over to the carrier.
Example: The seller delivers the goods to the buyer's designated carrier at a specified location.
3. CPT (Carriage Paid To): The seller pays for transportation to the agreed-upon destination, and the risk transfers to the buyer upon delivery to the carrier.
Example: The seller pays for transportation to the buyer's location, and the goods are insured until they reach the buyer.
4. CIP (Carriage and Insurance Paid To): Similar to CPT, but the seller also provides insurance against the buyer's risk of loss or damage during transportation.
Example: The seller pays for transportation and insurance to the buyer's location.
5. DAT (Delivered at Terminal): The seller delivers the goods, unloaded, at a designated terminal at the agreed-upon destination.
Example: The seller unloads the goods at the buyer's specified terminal at the port.
6. DAP (Delivered at Place): The seller is responsible for delivering the goods to the buyer at an agreed-upon place, but not unloaded.
Example: The seller delivers the goods to the buyer's warehouse, but the buyer is responsible for unloading.
7. DDP (Delivered Duty Paid): The seller is responsible for delivering the goods to the buyer, including all costs and risks, up to the destination.
Example: The seller delivers the goods to the buyer's location, including customs duties and taxes.
8. FAS (Free Alongside Ship): The seller is responsible for delivering the goods alongside the vessel at the agreed-upon port, and the buyer assumes all risks and costs from that point onwards.
Example: The seller delivers the goods to the port, and the buyer arranges for loading onto the ship.
9. FOB (Free on Board): The seller is responsible for delivering the goods onto the vessel at the agreed-upon port, and the buyer assumes all risks and costs from that point onwards.
Example: The seller loads the goods onto the ship, and the buyer arranges for transportation and insurance.
10. CFR (Cost and Freight): The seller is responsible for the cost and freight of delivering the goods to the agreed-upon port, and the risk transfers to the buyer once the goods are onboard the vessel.
Example: The seller pays for transportation to the port, and the buyer arranges for unloading and any further transportation.
11. CIF (Cost, Insurance, and Freight): Similar to CFR, but the seller also provides insurance against the buyer's risk of loss or damage during transportation.
Example: The seller pays for transportation and insurance to the port, and the buyer arranges for unloading and any further transportation.
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2. Identify the products in this reaction: 6H₂O + 6CO2 → C6H12O6 + 602
A. 6H₂O and 6CO2
B. 6CO2 and C6H12O6
D. C6H12O6 and 602
C. 6H₂O, C6H12O6, and 602
Answers
Answer:
D
Explanation:
Everything on the left side of the arrow are reactants, and everything on the right side of the arrow are products.
The products in this reaction are: B. 6CO2 and C6H12O6. The reactants are: A. 6H₂O and 6CO2
What is photosynthesis?The chemical equation 6H2O + 6CO2 --> C6H12O6 + 602 represents the process of photosynthesis, which occurs in plants, algae, and some bacteria. In this process, carbon dioxide (CO2) and water (H2O) are converted into glucose (C6H12O6) and oxygen (O2).
The reactants are the substances that are present at the beginning of the reaction and are used up during the process. In this reaction, the reactants are 6 molecules of water (H2O) and 6 molecules of carbon dioxide (CO2). These are represented on the left-hand side of the equation, before the arrow.
The products are the substances that are formed during the reaction and are present at the end of the process. In this reaction, the products are 1 molecule of glucose (C6H12O6) and 6 molecules of oxygen (O2). These are represented on the right-hand side of the equation, after the arrow.
So, option B, 6CO2 and C6H12O6, correctly identifies the products of this reaction. Option A, 6H2O and 6CO2, correctly identifies the reactants. Option D, C6H12O6 and 602, incorrectly identifies oxygen as a product and omits carbon dioxide and water as reactants.
Option C, 6H2O, C6H12O6, and 602, includes the reactants and one of the products, but incorrectly identifies oxygen as a reactant instead of a product.
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which of the following would be considered a healthy pattern of weight gain in a pregnant woman?
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Answer:
Underweight women should gain 28 to 40 pounds. And overweight women may need to gain only 15 to 25 pounds during pregnancy. In general, you should gain about 2 to 4 pounds during the first three months you're pregnant and 1 pound a week during the rest of your pregnancy.
The diagram shows a process in living organisms
Identify the process shown in the diagram and explain why it is important to living organisms.
someone help ASAP pls !!!
Answers
The process is photosynthesis.
Product of photosynthesis is glucose and oxygen.
Glucose is food substance for the plants while oxygen will release out of the plants for the respiration of other animals.
Glucose and oxygen also play an important role in cellular respiration of the plant which will produce energy in form of ATP for plants activities such as active transport of ions from the soil into the roots.
11. List two physical properties of soil.
list three conditions necessary for the germination of seed.
E.P BETHEL INTERNATIONAL SCHOOL- ACCRA NEWTOWN
END OF SECOND TERM EXAMINATION- 2020
INTEGRATED SCIENCE-JHS ONE
SECTION B (ESSAY) 6OMARKS
Answer any four questions in this section. Each complete question carries 15 marks.
2. a. i. State the reasons why some seeds are nursed.
(3mar
(2mar
(1x3.
(2mc
(2m
b. I. List three (3) conditions necessary for the germination of seed.
ii. State two functions of roots.
'c. (1) What is dispersal of seeds?
(11) State two characteristics of seeds dispersed by wind.
3. a. Apiece of stone has a mass of 360g. When it is put into water in a glass,
the level of water rises from 60.0cm to 90.0cm.Calculate the density of
(3r
(5
the stone.
b. i. List three benefits of vegetables to humans.
ii. Give two reasons why soil air is important.
c. 1. Define the term soil profile.
ii. State two ways in which soil profile is important in crop production
Answers
Answer:
Number 11 is the soil color and the soil texture.
Number 2.a.i. is to protect the seeds from harsh weather conditions e.g. sunlight rainfall etc.
b. water, oxygen and warmth
c.1) Seed dispersal is the scattering of seeds from a mother plant to new areas.
11) Seeds dispersed by wind have wing like structures.
Seeds dispersed by wind are light.
3a. Density=Mass/Volume
=360g/60cm³ then cancel zero and zero then cancel by 6 once by 36÷6 we get 6g/cm³
3bi)Vegetables are a source of food to humans.
Vegetables provide herbal medicine to humans.
ii)Plants require oxygen for germination.
Organisms in soil require air to breathe.
3c)Soil profile is the verticle arrangement of layers from top to bottom.
3d)It helps a farmer to know the fertility of the soil.
Explanation:
DNA expresses the genetic code and the arrangement of that code determines the
characteristics of different and diverse organisms. Which of the following
statements does NOT support the universality of DNA?
Answers
Answer: However, most non-canonical genetic codes are inferred from DNA sequence alone, or occasionally DNA sequences and corresponding tRNAs. Because the code governs the translation of nucleotide to amino acid sequences, a code can in principle only be confirmed when both the gene and protein sequences are known
Explanation :DNA is considered a universal genetic code because every known living organism has genes made of DNA. ... Every living organism uses that same system. Basically, every three pieces of DNA becomes one amino acid.
DNA is able to mutate and change the structure and/or function of an organism. The correct option is B.
What is DNA?A polymer made of two polynucleotide chains that coil around one another to form a double helix is called deoxyribonucleic acid.
All known organisms and many viruses have genetic information in the polymer that is necessary for their development, operation, growth, and reproduction. Nucleic acids include DNA and ribonucleic acid.
All of the living things on Earth share the same genetic code, with a few small exceptions.
As a result, the 20 amino acids that make up your cells' codons are the same ones used by bacteria living in hydrothermal vents beneath the Pacific Ocean.
An organism's structure and/or function can change as a result of DNA mutation.
Thus, the correct option is B.
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Your question seems incomplete, the missing options are:
O The order of nucleotides in all plants, animals, bacteria and fungi, is the same.
O DNA is able to mutate and change the structure and/or function of an organism.
O Genetic codons in all organisms code for the same 20 amino acids.
O All organism replicate DNA by pairing of A-T and C-G.
The stages of the cell cycle that include growth, dna doubling, and when the nucleus is not actively dividing, are collectively called?.
Answers
The stages of the cell cycle that include growth, dna doubling, and when the nucleus is not actively dividing, are collectively called interphase.
The G1, S, and G2 phases are all considered to be interphase, which is the part of the cell cycle that is not accompanied by changes that can be seen under a microscope. The cell expands (G1), copies its DNA (S), and gets ready for mitosis during interphase (G2). A cell going through interphase is not just dormant.
Since a cell in interphase is actively synthesising proteins, transcribing DNA into RNA, absorbing external material, processing signals, to name just a few tasks, the term quiescent (i.e. dormant) would be deceptive. Only in terms of cell division is the cell dormant (i.e. the cell is out of the cell cycle, G0).
A typical cell spends the majority of its time in interphase, which is the phase of the cell cycle. The metabolic or "everyday life" phase of the cell is known as the interphase, during which the cell develops, repeats its DNA in order to be ready for mitosis, and does other "typical" cell operations.
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I need help please answer this. whoever does this will be marked as brainlest
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there no radius for diagram
1. When you drop oil into a cup of water, why does it hold together instead of breaking up in the water? What role do lipids play in Ricin poisoning?
2. A death is suspected to be caused by poison. Explain how Ricin kills.
Answers
Due to hydrophobic interactions and lipids' lack of polarity, oil holds together in water. Castor beans contain the toxic protein ricin, which prevents cell protein synthesis and causes organ failure and death.
How does ricin prevent the production of proteins?By removing a specific adenine from the large rRNA's highly conserved -sarcin/ricin loop, the ricin A chain (RTA) prevents protein synthesis. In yeast, RTA's translocation into the endoplasmic reticulum (ER) and subsequent glycosylation occurred when its own signal sequence was expressed.
What is the ricin toxin's mechanism of action?Ricin works by entering a person's cells and preventing them from making the necessary proteins. Cells die without the proteins. This eventually causes harm to the entire body, which may result in death.
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Which phenomenon is the bending of light as it passes from one transparent
substance into another?
a) Speed
b) Refraction
c) Diffraction
d) Interference
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(It also happens with sound, water, and other waves)
Significance of 'heat shock' method in bacterial transformation is to facilitate:A. Binding of DNA to the cell wallYour AnswerB.Uptake of DNA through membrane transport proteinsC. Uptake of DNA through transient pores in the bacterial cell membraneCorrect AnswerD. Expression of antibiotic resistance gene
Answers
Heat shock method is used to facilitate uptake of DNA through transient pores in the bacterial cell wall. option c)
In order to counteract the detrimental effects on proteins brought on by stressors like elevated temperatures, oxidative stress, and heavy metals, cells can respond to stress by producing more molecular chaperones. This process is known as the heat shock response (HSR). Since proteins are the primary functional components of a functioning cell, proteostasis (protein homeostasis) must be preserved.
In order to carry out their biological tasks, many proteins adopt a predetermined shape in a procedure known as protein folding. Critical functions may be impacted by the alteration of these structures, which could result in cell damage or death. Heat shock proteins (HSP), many of which are molecular chaperones that aid in preventing or reversing protein misfolding, can be expressed when the heat shock response is induced under stress.
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Full Question: Significance of 'heat shock' method in bacterial transformation is to facilitate:
A. Binding of DNA to the cell wall
B. Uptake of DNA through membrane transport proteins
C. Uptake of DNA through transient pores in the bacterial cell membrane
D. Expression of antibiotic resistance gene
In the structural organization of the central nervous system, which is an organ?
A) nerve
B) neuron
C) gray matter
D) brain
Answers
Answer:
D) brain
Explanation:
The brain is an organ, and the body's control center.
A technologist repeatedly misses tubercle bacilli when examining stained smears for acid-fast bacilli. What plan of action should the supervisor first take to correct this problem
Answers
The supervisor should **review the technologist's technique** and **provide additional training** to improve their ability to detect tubercle bacilli in acid-fast stained smears.
In order to correct this issue, the supervisor should first observe the technologist's current technique for examining stained smears, identifying any areas for improvement. Next, the supervisor should provide additional training and resources on **acid-fast staining procedures** and **microscopic examination**. This may include discussing proper sample preparation, staining techniques, and the characteristics of tubercle bacilli in stained smears. Regular feedback and quality control checks should also be implemented to ensure that the technologist is consistently identifying tubercle bacilli in future examinations. By addressing the root cause of the problem and providing targeted support, the supervisor can help the technologist improve their accuracy in detecting tubercle bacilli.
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Questions why is the heating in the Benedict's is test and millon test carried out in a water bath
Answers
The heating in the Benedict's test and Millon test is carried out in a water bath to maintain a constant and controlled temperature. This ensures accurate and reliable results by minimizing external factors that could influence the reactions taking place.
The Benedict's test and Millon test are both chemical tests used to detect the presence of reducing sugars, such as glucose, in a given solution. These tests involve a reaction between the reducing sugar and a reagent, which undergoes a color change in the presence of the sugar.
Heating is an essential step in both tests because it helps to facilitate the reaction between the reducing sugar and the reagent. By applying heat, the rate of reaction increases, allowing for faster and more reliable results. However, it is crucial to maintain a consistent and controlled temperature throughout the reaction to ensure accuracy.
A water bath is used for this purpose. A water bath consists of a container filled with water that is heated to a specific temperature, typically around 70-100 degrees Celsius, depending on the test being performed. Placing the test tubes containing the reaction mixture into the water bath allows the solution to be heated uniformly and consistently.
The water bath provides a stable and controlled environment, preventing sudden temperature fluctuations that could affect the reaction rate and, consequently, the test results. It helps to maintain the reaction at the desired temperature for a specified duration, ensuring optimal conditions for the reaction to occur.
By carrying out the Benedict's test and Millon test in a water bath, scientists and laboratory technicians can achieve reliable and reproducible results, allowing for accurate identification of the presence of reducing sugars in a given solution.
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Kidneys remove what kind of waste from the body?
Answers
Answer:
Healthy kidneys filter about a half cup of blood every minute, removing wastes and extra water to make urine. The urine flows from the kidneys to the bladder through two thin tubes of muscle called ureters, one on each side of your bladder. Your bladder stores urine.
Explanation:
hope this helps have a good day
Answer:
they remove the waste called urea
True or False: Common and Australia Blacktip Sharks are the same species.
Answers
Answer: false
Explanation:
Look it up on google
Explanation: Not True
what is the function of a circulatory system mastering biology
Answers
The circulatory system transports oxygen, nutrients, hormones, and waste products throughout the body, ensuring proper functioning of organs and tissues, and maintaining homeostasis.
The circulatory system, also known as the cardiovascular system, plays a crucial role in mastering biology. Its primary function is to transport vital substances, such as oxygen, nutrients, hormones, and waste products, throughout the body. Comprised of the heart, blood vessels, and blood, this system ensures the efficient distribution and exchange of these substances to support the functioning of all organs and tissues.
Oxygen-rich blood is pumped by the heart to tissues, providing the necessary oxygen for cellular respiration. The circulatory system also facilitates the delivery of nutrients and hormones required for cellular activities, as well as the removal of metabolic waste products like carbon dioxide. The circulatory system aids in regulating body temperature, pH balance, and immune responses, contributing to overall homeostasis and optimal biological functioning.
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The correct question is:
What is the function of a circulatory system mastering biology?
does leaving celryu in food coloring and water makie it turgif or flaccid
Answers
When celery is left in food coloring and water, it becomes flaccid. Celery is an excellent material for demonstrating osmosis because it readily displays the effects of hypertonic, hypotonic, and isotonic solutions on plant cells.
Water moves into the plant cells when it is placed in a hypotonic environment like pure water. As a result, the plant cells swell and become turgid. When the plant cell is in an isotonic environment, there is no net water movement in or out of the cell, so the cell retains its shape. When celery is left in a solution containing salt or food coloring, it becomes flaccid. As a result, the plant cell shrinks and the cell membrane pulls away from the cell wall. As a result, the plant cell loses its turgor and becomes flaccid.
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The interval, in which no stimulus whatsoever can produce another action potential, is known as the __________________.
Answers
Answer:
It is called the absolute refractory period
Explanation: Hope this helps:)........if not I hope you ind what you're looking for:)
which of the following is not an abnormal component of urine? A. white blood cells C. albumin D. glucose E. urea
Answers
describe the role of internal feedback mechanisms in maintaining homeostasis
Answers
A sensor that can track changes in the state that has to be regulated, an effector mechanism that can change that condition, and a negative feedback loop between two are necessary for homeostasis. Homeostasis is depend on three mechanisms such as effector, receptor, control center.
What is homeostasis?The stable internal chemical and physical conditions that living systems sustain are known as homeostasis. For creatures to survive, homeostasis is extremely important. It's frequently interpreted as resistance to environmental changes. Additionally, homeostasis is a self-regulating mechanism that controls internal factors essential for maintaining life.
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In the picture below ions, or charged particles, are being pumped through the cell membrane.
Why do they require energy to transport across the membrane?
Answers
Answer: well if i had a picture it wouldve helped more but typically if a particle is moving into the cell, it doesnt require any energy, however moving particles outside of a cell requires a large amount of atp.
Explanation:
help me pls thank you
Answers
Explanation:
Interdependence. All organisms in an ecosystem depend upon each other. If the population of one organism rises or falls, then this can affect the rest of the ecosystem. If the foxes in the food chain above were killed, the population of rabbits would increase because they are no longer prey to the foxes.
under what circumstances would crossing over during meiosis not contribute to genetic variation among daughter cells?
Answers
Only when distinct alleles are rearrange during crossing over can it result in genetic variety.
Briefing:The recombinant chromosomes will be genetically comparable to the parental chromosomes if the maternal and paternal chromatid segments that undergo crossing over are genetically similar and have the same two alleles for every gene.
What is the main role of meiosis?Meiosis is a type of cell division that results in the production of four gamete cells and a 50% decrease in the number of chromosome in the parent cell. To develop sperm and egg cells for procreation, this process is necessary.
What types of cells undergo meiosis?Meiosis is only found in the germ cells of eukaryotic plants and animals, where it is essential for sexual reproduction. While germ cells go through mitosis to produce gamete, somatic cells go thru mitosis to reproduce (the sperm and the egg).
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please answer the question on the image and explain the answer
Answers
Answer:
I would go with the third answer
why: when strand a was copied codons like AUU, GGU , ACC were formed but if strand b is copied the codons will be different (ATT,CCA,UGG) hence the sequence of amino acids will be different
functions of androecium in point
Answers
Answer: The point of stamen, which connects the anther and the filament is called connective. Its main function is the production of microspores, i.e., pollen grains containing male gametes within the anther lobe.
Explanation:
Neuroscientists have discovered mirror neurons in the
Answers
Neuroscientists have discovered mirror neurons in the Monkey's brain.
Mirror neurons are a special type of neuron that fires when a person performs a motor act and when he witnesses another person performing the same or a similar motor act. In the brain of a monkey, these neurons were first found.
When a person performs a particular motor act and when they see that same or a similar act being performed by another person, mirror neurons, a class of neurons, change in activity.
For mirror neurons appear to help us “simulate” not just other people's acts, but the intentions and feelings behind those actions. When you watch someone smile, for example, your mirror neurons for smiling light up, too, creating an experience in your own mind of the feeling associated with smiling.
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The complete question is:
Neuroscientists have discovered mirror neurons in the _____.