Answers
Answer:
The the asnwer is
Explanation:
and th
Related Questions
Every year thousands of people in the UK have heart attacks.
A heart attack is caused when the heart muscle cells do not get enough oxygen, causing the cells to die.
Statins and stents are two treatments used to reduce the risk of someone having a heart attack.
Evaluate the use of statins compared with the use of a stent to reduce the risk of a heart attack. [6 marks]
Answers
Statins lower cholesterol and prevent plaque buildup, while stents restore blood flow. Statins are preventive, stents are reactive; both reduce heart attack risk (option b).
Statins are medications that help reduce cholesterol levels and prevent plaque buildup in the arteries, thus decreasing the risk of heart attacks.
They are typically used as a preventive measure for individuals with high cholesterol or existing heart issues. Stents, on the other hand, are small mesh tubes inserted into narrowed or blocked arteries to restore blood flow.
They are a reactive treatment, used after detecting significant artery blockage or following a heart attack.
Both statins and stents have their own advantages in reducing heart attack risk, with statins acting as a preventive measure and stents providing immediate relief to blocked arteries.
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please help The Archaeopteryx lithographica fossil shown in the image is the oldest-known fossil with feathers. The fossil shows evidence that the organism had teeth, wings with fingers and claws, and a backbone that extended into a tail. For these reasons, the Archaeopteryx lithographica is considered a transition fossil, meaning that it links and exhibits traits from two different ancestral groups. Use the chart in part B to identify the two animal groups that this fossil links together. Also explain how transition fossils provide evidence for evolution.
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Archaeopteryx lithographica is the oldest fossil that shows a connection between two classes of individuals, such as reptiles and birds. It has some characteristics of the reptiles and some characteristics of the birds.
What is an evolutionarily connecting link?Through the process of evolution from one class another is derived, and it is possible because of the entry of the new trait or character. Due to this, connecting links are seen in nature, such as in Archaeopteryx, which has the characteristics of a bird because it has feathers and some characteristics like reptiles, such as teeth.
As a result, Archaeopteryx serves as a link between reptiles and birds.
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Explain the following statement using evidence from the DNA sequences:
Mutations in the DNA change how proteins are made which leads to new and different forms of phenotypes.
Answers
A missense mutation is a Genetic alteration that causes the protein produced to encode a different amino acid at a specific location. Certain missense mutations change how the resulting protein functions.
Why do some changes in an organism's DNA sequence cause change, while others do not?While mutations always result in a change in the DNA sequence, they do not necessarily have a noticeable impact on the organism or alter the resulting protein. Since most amino acids can be encoded by two or more distinct codons, this is possible.
Can mutations be found using DNA sequencing?The ability to properly identify and characterise the majority of sequence changes makes direct DNA sequencing, in theory, the method for mutation identification with the highest degree of accuracy.
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What is something you can never seem to finish?
Answers
Answer:
This!! HAHAHA!
Explanation:
Swamps are usually warm and are filled with slow-moving water. Cypress trees that grow in swamps often have roots that stickout above the ground, known as "cypress knees".The tree most likely uses "cypress knees" toallow the roots to reach oxygen in the air.allow the roots to receive more water.keep the roots from being eaten by birdskeep the roots covered from bad weather.
Answers
For many plants that are located in this type of environment with stagnant water, roots tend to stick partially out of the water, even more in mangroves are known as pneumatophores, because allow the plant to improve the gaseous exchange, so we can say that the correct answer is the first option.
a series of organs responsible for taking in oxygen and expelling carbon dioxide
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Answer:
Your answer is Respiratory System
Explanation:
Hope this helps you
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The dog are an example of what type of , because the flea irritates the dogs skin and feeds on it blood
Answers
Answer: parasite
Explanation: I dont know what word was supposed to come after "of", but judging by all the surrounding words, its seems that the answer is parasite. Hope this helps!
explain how plate tectonics and volcanoes are related
Answers
While the tectonic plates are moving in relation to one another, they are in contact with one another. A convenient route for magma to reach the surface can be created by the movement of faults at plate borders.
What is a volcanic hotspot?A column of extremely hot magma known as a mantle plume is another place where volcanoes can form. It is possible for this to occur far from plate borders. It is also referred to as a "hot spot" or an "intraplate. The crust melts and thins due to heat from the mantle plume, which results in volcanic activity at the surface. The sequence of volcanoes known as the Hawaiian Islands was created by the presence of a hot spot in the Centre of the Pacific Plate. Magma rises and erupts as lava on the ocean floor as a result of the Hawaiian hot spot. A volcano forms when superheated magma rises through the mantle melts the crust above it and flows to the surface as a result of the movement of the tectonic plate. Shield volcanoes, which are more commonly created with 'runny' lava and have a flatter, less cone-like appearance, are hotspot volcanoes.
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Where is the chromatin during interphase
Answers
Why does natural selection occur more when there is competition for resources?
Answers
Natural selection occurs more prominently when there is competition for resources because competition creates selective pressures that drive adaptations and favor certain traits over others.
In any given environment, resources necessary for survival and reproduction, such as food, water, and shelter, are limited. As a result, individuals within a population must compete with one another to obtain these resources.
Competition leads to differential survival and reproductive success among individuals.
Those individuals with advantageous traits or variations that enable them to more effectively acquire and utilize resources have a higher likelihood of survival and producing offspring.
These advantageous traits can be physical characteristics, physiological adaptations, or behavioral strategies that provide a competitive edge.
Through natural selection, individuals possessing beneficial traits are more likely to pass on their genes to the next generation, while individuals with less favorable traits are at a disadvantage.
Over time, this process results in the accumulation of beneficial traits within the population, enhancing their overall fitness and adaptation to the specific environment.
Therefore, competition for resources acts as a driving force for natural selection by selecting for traits that enhance an individual's ability to secure limited resources, survive, and reproduce successfully.
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Which type of chlorophyll makes the yellow-green color of some veggies?
Answers
Answer:
Chlorophyll B
Which of the following statements describes the structure of the plasma membrane?
( WILL MARK BRAINLIEST ) PLEASEEE help asap!!
A. The plasma membrane is made mainly from carbohydrates that give the cell energy
B. It is made primarily of cholesterol that allows the cells to communicate with others
C. It is a lipid bilayer with the hydrophobic area pointing inward, and the hydrophilic area facing outward
Pleaseee help ;__;
Answers
explanation: the membrane consists of both lipids and proteins. the structure of it is the phospholipid bilayer. which forms a barrier between two compartments.
hope this helps!
If a study showed that students have more hours in a drivers education class have fewer accidents this would be a(n)
A. Positive correlation
B. Casual relationship
C. Ambiguous correlation
D. Negative correlation
Answers
Answer:
The correct answer is option D. negative correlation.
Explanation:
Negative correlation is a correlation in where the relation between two variables is in such way that if one increases the other variable will decrease and if other variable will increase the first variable will decrease similarly.
In this case the first variable that is hours in driver education class shows increase than the chances of accidents decreases by that students which suggests there is a negative correlation.
Thus, the correct answer is option D. negative correlation.
Why do teens tend to make riskier decisions than adults?
Answers
Brain Development: The brain undergoes extensive development and reorganization during adolescence, particularly in the prefrontal cortex, which is responsible for decision-making, impulse control, and weighing consequences. This region develops at a slower pace compared to the reward-seeking regions of the brain, such as the limbic system. As a result, teenagers may be more driven by immediate rewards and less inclined to consider long-term consequences.
Sensation Seeking: Adolescence is characterized by heightened sensation seeking and a desire for novel and exciting experiences. Teenagers often seek out new sensations and engage in risk-taking behaviors as a way to explore their own identity, gain independence, and test boundaries. The pursuit of thrills and excitement can overshadow the potential risks involved.
Social Influence: Peer influence plays a significant role during adolescence. Teenagers are highly attuned to social acceptance and approval, and they may engage in riskier behaviors to fit in, gain peer recognition, or conform to social norms within their peer group. The desire for social status and acceptance can override concerns about potential negative outcomes.
Incomplete Experience and Judgment: Compared to adults, teenagers have less life experience and exposure to various situations, making it more challenging for them to accurately assess risks and make informed decisions. They may lack the cognitive tools and judgment skills to fully evaluate the potential consequences of their actions.
Emotional Intensity: Adolescence is a time of heightened emotional intensity, with teenagers experiencing intense emotions and seeking ways to regulate them. Risk-taking behaviors can serve as a means to cope with or regulate these emotions, providing temporary excitement, distraction, or a sense of control
From the case study, describe how you felt after reading it and hearing Dr. Wanless perspective.
Answers
After reading the case study, someone ability feel concerned about the extreme levels of stress and burnout that Dr. Wanless experienced all along her medical preparation.
What is Dr. Wanless perspective?They might also feel understanding for her and other healing professionals who face complementary challenges in their careers.
Upon trial Dr. Wanless's perspective, someone ability feel inspired by her elasticity and determination to overcome the obstacles she confronted. They might further appreciate her insights into the need for fundamental changes in medical instruction and healthcare to better support the well-being of medical experts and improve patient effects.
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what is wave propagation?
Answers
Answer:
Wave propagation is any of the ways in which waves travel
Shana finds a mollusk on a damp log near a pond. The mollusk has a muscular foot and lacks a shell.
What type of mollusk did Shana most likely find?
a cephalopod because it lives on land
a cephalopod because it lacks a shell
a gastropod because it lives on land
a gastropod because it lacks a shell
Answers
Answer:
A gastropod because it lives on land
Explanation:
I got it right on edge. I can't really explain it, sorry.
Answer:
the answer is C on edge 2020
Explanation:
I took the quiz
what are the example of mastogophera
Answers
Answer:
A flagellate is a cell or organism with one or more whip-like appendages called flagella. The word flagellate also describes a particular construction characteristic of many prokaryotes and eukaryotes and their means of motion.
Explanation:
The term presently does not imply any specific relationship or classification of the organisms that possess flagellae. However, the term "flagellate" is included in other terms (such as "dinoflagellate" and "choanoflagellata") which are more formally characterized.
why is still water an ideal enviroment for mold and cast fossils
Answers
Answer:
Sediment builds up over organisms.
Explanation:
Answer:
Sediment builds up over organisms.
Explanation:
i got it correct on edge nuity
1. The net product of the Calvin cycle is
A.) 3PG
B.) RuBP.
C.) G3P
D.) CO2
E.) H2O
2.) Photorespiration is _________
A.) part of photosynthesis.
B.) the pathway which plants use to produce energy.
C.) the same as cellualr respiration.
D.) a wasteful reaction.
E.) a process that prokaryotic cells use to produce ATP.
F.) art of cellular respiration.
3.) The leaves of plants are green because they ____________________ light.
A.) absorb green
B.) absorb yellow and red
C.) do not absorb yellow and red
D.) reflect green
4.) Completely metabolizing ONE glucose molecule produces approximate ___ ATP.
A.) 2
B.) 28
C.) 32
D.) 36
E.) 46
5.) The electron transport chain functions within the
A.) mitochondria
B.) cytoplasm
C.) nucleus
D.) lysosome
E.) central vacuole
6.) Succulent plants that live in warm, arid region use mostly __________ pathway.
A.) cyclic
B.) C4
C.) C3
D.) CAM
E.) noncyclic
7.) The O2 released during photsynthesis comes from ___.
A.) H2O
B.) fat
C.) ATP
D.) glucose
E.) C2O
8.) NAD and FAD are
A.) coenzymes.
B.) vitamins.
C.) enzymes.
D.) ions.
E.) energy molecules.
F.) food.
9.) The first step of Calvin cycle is called__________.
A.) CO2 fixation
B.) C4 photosynthesis
C.) cyclic electron pathway
D.) noncyclic electron pathway
E.) light reaction
F.) glycolysis
10.)Most of the ATP of aerobic cellular respiration is produced directly by
A.) Glycolysis.
B.) Preparatory Reaction.
C.) Citric acid (Krebs) cycle.
D.) the Electron Transport Chain
E.) fermention.
11.) Which following radiant energy would have the highest energy content?
A.) gamma rays
B.) radio waves
C.) UV light
D.) red light
E.) infrared
F.) microwaves
12.) The reaction-center of Photosystem II and I contains ____.
A.) chlorophyll a
B.) chlorophyll b
C.) chlorophyll c
D.) carotene
E.) xanthophyll
13.) NADPH production occurs in ___.
A.) noncyclic electron pathway
B.) cyclic electron pathway
C.) calvin cycle
D.) citric acid cycle
E.) glycolysis
F.) electron transport chain
14.) In a C4 plant, Calvin cycle occurs in
A.) bundle sheath cells
B.) mesohyll cells
C.) guard cells
D.) stoma
E.) thylakoids
15.) What is the main function of stomata in photosynthesis?
A.) synthesize photosynthetic enzymes
B.) site of biochemical reactions
C.) allow H2O to enter the leaves.
D.) allow CO2 to enter the leaves.
E.) allow O2 to enter the leaves
Answers
Answer:
1.B
2.A
3.C
4.B
5.C
6.E
7.A
8.A
9.A
10.C
11.A
12.E
13.E
14.B
15.C
Which type of replication error would be most likely to result in genetic variation among organisms
Answers
The type of replication error that would be most likely to result in genetic variation among organisms is a mutation.
Mutations are changes in the DNA sequence that occur during the replication process. They can introduce new genetic variations by altering the sequence of nucleotides in the DNA. Mutations can be caused by various factors, including errors in DNA replication, exposure to mutagenic agents (such as radiation or certain chemicals), or spontaneous changes in the DNA structure.
When a mutation occurs in the DNA of an organism, it can lead to changes in the genetic information. These changes can be beneficial, detrimental, or have no significant effect on the organism's phenotype. However, if a mutation provides a survival advantage or increases an organism's reproductive success, it may be selected for and passed on to future generations, resulting in genetic variation.
The occurrence of mutations is a natural and ongoing process in the evolution of organisms. It contributes to genetic diversity, allowing populations to adapt and respond to changes in their environment over time. Therefore, mutations are the primary replication error that leads to genetic variation among organisms.
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Briefly compare and contrast osteoarthritis and rheumatoid arthritis. Include clear compare and contrast sections, not only defining the disorders.
Answers
Osteoarthritis and rheumatoid arthritis are both forms of inflammation of the joints in the body.
Osteoarthritis differs from rheumatoid arthritis in that osteoarthritis occurs as a result of the wearing away of the cartilage at the joints whereas rheumatoid arthritis occurs as a result of an autoimmune response where the immune system of an individual attacks the tissues around the joints resulting in inflammation.
What is arthritis?Arthritis is a condition in which there is inflammation of the joints resulting in pain and difficulty in walking.
Two forms of arthritis are:
osteoarthritis andrheumatoid arthritis.Osteoarthritis is due to the wearing away of tissue around the bone whereas rheumatoid arthritis occurs when the immune system reacts against the joint tissues.
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what are the 2 functions of Schwann cells
Answers
Providing insulation
Supporting nerve regeneration
Explanation:Schwann cells are specialized cells that are found in the peripheral nervous system. Their main functions are:
Providing insulation: Schwann cells are responsible for producing a fatty substance called myelin, which surrounds and insulates nerve fibers. This insulation helps to increase the speed of nerve signal transmission and prevents electrical signals from leaking out of the nerve fibers.
Supporting nerve regeneration: When nerve fibers are damaged, Schwann cells play a critical role in facilitating their regeneration. Schwann cells produce growth factors and other molecules that promote the growth of new nerve fibers and help to guide them to their correct destinations. Additionally, Schwann cells can also form a type of scaffold that guides regenerating nerve fibers and provides them with a supportive environment to grow.
If a couple has a 50% chance of producing an XX chromosome offspring with red-green colour deficiency, what is the genotype of the couple?Parent 1 (XX)Parent 2 (XY)
Answers
We have then the following:
Parent 1 (XX)
Parent 2 (XY)
Offspring 50 % XX (red-green colour defficiency)
50 % XY
Assumming that this condition is linked to the sexual chromosome of the parent (XX), since the probability of the offspring is 50 % XX, we have:
RR: expresed gene
Rr: " " "
rr: non-expresed gene
We say that it's a gene linked to the sexual chromosome because is a gene present in those ones. In other words, males who inherit only one X chromosome from their mother, and a Y chromosome from their father, and females who inherit both X chromosome from their both parents, have differents rates to inherit the pathology, since there must be at least two chromosomes with the gene of that trait in women to develop that condition, while in men if the inherited chromosome carries the gene bearing the patalogy, they would have that condition.
So the genotypes of the parent 1 (XX, female) would be RG or rg, and the parent 2 (XY) being rg
Plants in the phylum Bryophyta grow in areas that are _____.
shady and dry
sunny and dry
sunny and damp
shady and damp
Answers
Which research term accurately applies to an anthropologist's questioning of the
elders of a South American Indian tribe about their religious beliefs?
O research bias
sample
external data analysis
validity
Answers
The research term which accurately describes this is referred to as
Sample.
What is Sample?This refers to set of individuals or objects selected from a statistical
population through a defined procedure.
In this scenario, the defined procedure for selection is getting elders from
a South American Indian tribe and also collecting information about their
religious beliefs.
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В
с
Which container has the least concentration of solutes?
O A
OB
О с
OD
Answers
Answer:
c
Explanation:
its c i took the test
pls help. A chicken protects their chicks by?
Answers
Answer:
yeah they sit on them to 1 keep them warm and two protection
A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answers
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
pls help this is major plssssssss help!
Answers
Why? - Transferring energy through empty space is called RADITION.