the observable physical and biological differences between the male and female human reproduction systems are called
Answers
Sexual dimorphism is a term for the genotypic and phenotypic differences between males and females of the same species. Through the process of meiosis and fertilization (with rare exceptions), each individual is created with zero or one Y-chromosome.
The phenomenon of morphological differences between the sexes of the same animal and/or plant species, particularly those that are not directly related to reproduction, is known as sexual dimorphism. The majority of animals and some plants are afflicted by the sickness. Size, weight, color, markings, secondary sex features, and behavioral or cognitive traits are only a few examples of variations. Natural selection as well as sexual selection may have contributed to these alterations, which may or may not be significant. The opposite of monomorphism, which occurs when both biological sexes exhibit the identical traits, is dimorphism.
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Related Questions
What is the definition of a hydrocarbon?(1 point)
A. a large chain of carbons and hydrogens bonded together
B. large molecules that are produced by living things
C. electrons shared between two different atoms
D. a single line bonding carbon and hydrogen
Answers
Answer:
Answer is option D
Explanation:
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Fact for each one.
Aquatic Ecosystems
Estuaries
Features/Facts:
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Intertidal
Features/Facts:
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Arctic
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Answer:
The answer is down below.
Explanation:
Estuaries
-More than 80 percent of all fish and shellfish species use estuaries as primary habitat or as a spawning or nursery ground.
-Estuaries are often called the “nurseries of the sea”.
-Estuaries and their surrounding wetlands are bodies of water usually found where rivers meet the sea.
Abiotic factors
In an estuarine ecosystem, these factors are light, oxygen, water, nutrients, temperature, salinity, and space. So just divide these into three.
Biotic factors
These include plants and animals such as shrimp, fish, and oysters
⚠️please help ASAP, this is a one of the last questions for a very important test I’m taking and I would like to make sure my answer is correct
What did sharks and
rays develop that
their ancestors did
not have?
A. lobes that were the beginnings of arms and legs
B. jaws that helped with catching prey
C. legs to be able to survive on land
D. amniotic eggs
Answers
Answer:
i believe its D, amniotic eggs.
Explanation:
the diagram below shows the procedure scientists used to clone a frog from the nucleus of a skin cell. the tadpole produced by the cloning process will be genetically _______________________
a. most similar to the frog the egg cell came from
b. most similar to the frog the skin cell came from
c. different from both frogs that the cells came from
d. identical to both frogs that the cells came from
Answers
Answer: most similar to the frog the skin cell came from
Explanation:
I just took the test
The tadpole produced by the cloning process will be genetically most similar to the frog the skin cell came from. Thus, the correct option for this question is B.
What is the Cloning process?The cloning process may be defined as a type of technique that scientists significantly use to construct exact genetic copies of living things. This process is used to create an exact genetic replica of another cell, tissue, or organism.
The copied material, which has the same genetic makeup as the original, is referred to as a clone. The skin cell of the frog is divided through the process of mitosis which produces cells that are genetically identical to the parental cell.
The process of meiosis is carried out by gamete cells or germ cells which produce daughter cells that are not genetically identical to the parental cell.
Therefore, the tadpole produced by the cloning process will be genetically most similar to the frog the skin cell came from. Thus, the correct option for this question is B.
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the name of Abraham father in the bible
Answers
Answer:
I believe it's Terah
Explanation:
yes and stuff I think so slay
Studying____
we infer how Pangea split into continents
Answers
Answer:
Scientists believe that Pangea broke apart for the same reason that the plates are moving today. The movement is caused by the convection currents that roll over in the upper zone of the mantle.
Explanation:
Answer: Pangea broke apart for the same reason that the plates are moving today. The movement is caused by the convection currents that roll over in the upper zone of the mantle.
Explanation: Scientists believe that Pangea broke apart for the same reason that the plates are moving today. The movement is caused by the convection currents that roll over in the upper zone of the mantle. About 200 million years ago Pangaea broke into two new continents Laurasia and Gondwanaland.
whom you think the reason for corona viruse
Answers
Answer:
chinna made it to kill us
and they said opps the virus got out of the lab and here we are
Explanation:
How does biodiversity
depend on a species’ ability to
reproduce?
Answers
copying genetic information from dna to rna is called ----using the infrmation contained in mrna is called -----a- trans cription, translation, b- translation, transcripition, c-dna replication, translation
Answers
Copying genetic information from DNA to RNA is called transcription.
Using the information contained in mRNA is called translation.
Therefore, the correct answer is:
a) Transcription (for copying genetic information from DNA to RNA)
b) Translation (for using the information contained in mRNA)
Copying inheritable information from DNA to RNA is a pivotal step in gene expression and is known as recap. Recap involves the conflation of a reciprocal RNA patch using one beachfront of the DNA as a template. The process of recap is carried out by an enzyme called RNA polymerase, which recognizes specific regions on the DNA called promoters and initiates the conflation of RNA.
During recap, the DNA double helix unwinds, and the RNA polymerase binds to the protagonist region. The enzyme also moves along the DNA template beachfront, adding reciprocal RNA nucleotides to the growing RNA chain. Adenine( A) dyads with uracil( U) in RNA, cytosine( C) dyads with guanine( G), and thymine( T) dyads with adenine( A) in DNA. This process continues until the RNA polymerase reaches a termination sequence, motioning the end of recap.
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Categorize the given minerals into metallic and non-metallic minerals?
• Iron,gold,quartz,calcite,petrolium,copper,aluminium,diamon
d,emerald,rubies,topaz,coal,sapphires.
Answers
Iron, Gold, Aluminum, Sapphires and Copper are the metallic minerals while Quartz, Calcite, Diamond, Rubies, Emerald, Topaz, Coal and Petroleum are the non-metallic minerals.
What are minerals?Mineral is a chemical compound which is normally crystalline in nature. It is a solid substance present in nature made up of one or more and elements which are combined together.
It is formed as a result of geological processes . For example it includes quartz, calcite, sulphur, clay minerals etc. Minerals are used in the production of ceramics oftenly.
Properties of minerals :
1. They have characteristic chemical composition
2. They have highly ordered atomic structures
3. They have several physical properties such as hardness, luster and cleavage.
Thus, Iron, Gold, Aluminum, Sapphires and Copper are the metallic minerals while Quartz, Calcite, Diamond, Rubies, Emerald, Topaz, Coal and Petroleum are the non-metallic minerals.
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1. What is special about the hand of humans?
2. The design of the human hand is an adaptation. How does our hand's design allow us to do so many tasks such as writing, texting, and tying shoes?
Answers
Answer:
What makes human hands unique? ... This long thumb and its ability to easily touch the other fingers allow humans to firmly grasp and manipulate objects of many different shapes. The human hand can grip with strength and with fine control, so it can throw a baseball or sign a name on the dotted line.
Humans, as well as monkeys, gorillas, and other primates, have a hand that can grip and grasp objects because they have an opposable thumb. The earliest primates were arboreal (they climbed trees), and so having grasping hands was an advantage in this environment. Human thumbs modified their ancestors’ opposable thumbs, making them more mobile and thus even more opposable.
When ammonia is excreted by healthy kidneys, which mechanism usually is maintained?
Answers
When ammonia is excreted by healthy kidneys, acid-base balance of the body mechanism usually is maintained.
The bacteria in your intestines predominantly produce ammonia, also known as NH3, when they digest protein. Normally, ammonia is converted into urea, another waste product, in your liver throughout the processing process.
After reaching your kidneys, the urea is then removed through urine. Ammonium ions, which are ejected from the body, are created when excreted ammonia interacts with hydrogen ions in the glomerular filtrate. Mechanism keeps the acid-base balance by removing excess hydrogen from the body.
Therefore, when ammonia is excreted by healthy kidneys, acid-base balance of the body mechanism usually is maintained.
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together which two gases make up 99% of jupiter's atmosphere?
Answers
The two gases that make up the majority of Jupiter's atmosphere are hydrogen (H₂) and helium (He). These two gases account for approximately 99% of the planet's atmosphere.
Hydrogen is the most abundant element in the universe, and it makes up about 75% of Jupiter's atmosphere. The high concentration of hydrogen is primarily due to the planet's formation in the early solar system, where hydrogen gas was abundant.
It exists in molecular form (H₂) and contributes to the overall composition of the planet's atmosphere.
Helium is the second most abundant gas in Jupiter's atmosphere, accounting for around 24% of its composition. It is also a lightweight gas and was present in the early solar system.
Helium is often found in association with hydrogen and is commonly used in balloons due to its low density.
While hydrogen and helium dominate Jupiter's atmosphere, trace amounts of other gases are also present. These include methane (CH₄), ammonia (NH₃), water vapor (H₂O), and various hydrocarbons. However, their concentrations are significantly lower compared to hydrogen and helium.
Jupiter's atmosphere is known for its turbulent and dynamic features, including the iconic bands of clouds and the Great Red Spot. The interaction between different gases and the planet's strong gravitational field contributes to the complex atmospheric phenomena observed on Jupiter.
In summary, hydrogen and helium are the primary gases that comprise Jupiter's atmosphere, making up approximately 99% of its composition. The high concentrations of these gases are characteristic of the planet's formation and play a significant role in its atmospheric dynamics.
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TRUE OR FALSE the maturity phase of the product life cycle is characterized by greatly-reduced competition.
Answers
The maturity phase of the product life cycle is not characterized by greatly-reduced competition; instead, it often involves intense competition among companies operating within the same market. Given statement is FALSE.
In the maturity phase of the product life cycle, the level of competition typically remains high. During this phase, the product has already reached its peak in terms of market acceptance and sales. Multiple competitors are likely to have entered the market, leading to increased competition for market share and profits.
While some weaker competitors may have exited the market during the earlier stages of the product life cycle, the maturity phase often sees intensified competition as companies strive to maintain or increase their market share. This competition can lead to price wars, aggressive marketing campaigns, and the introduction of new features or variations of the product to differentiate from competitors.
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What are electron energy levels? Where are they located?
Answers
The electrons surrounding an atom are located in regions around the nucleus called “energy levels”. An energy level represents the 3-dimensional space surrounding the nucleus where electrons are most likely to be. The first energy level is closest to the nucleus.
Answer: Located in regions around the nucleus.
Explanation: Energy levels (also called electron shells) are fixed distances from the nucleus of an atom where electrons may be found. As you go farther from the nucleus, electrons at higher energy levels have more energy. The electron energy levels are an atom located in regions around the nucleus. An energy level represents the 3-dimensional space surrounding the nucleus where electrons are most likely to be. The first energy level is closest to the nucleus. The second energy level is a little farther away than the first.
Why do I still need the paper that I got out from mental health?
Answers
Answer:
Because it is important that you still have the paper for future reference to show that you have passed your mental health classes and do not have to take them again.
Answer:
If you didn't have the paper how would people know that you did officially get out of mental health? Also it shows that you were once in a mental health
Hope this helps!
1. The graph below shows rate of reaction data for 2 different enzymes. One of these enzymes are found in the stomach, the other is found in the mouth.a) Which of these lines is more likely to indicate the enzyme found in the stomach? Explain.b) Both these enzymes have the same optimum pH, TRUE or FALSE?2. Explain, in terms of bonding, why the rate of reaction gradually falls once the pH increases above the optimum rather than denaturing straight away.
Answers
Answer: Solid graph
Explanation: This indicates an optimum temperature for human enzyme. Pepsin is a stomach enzyme that serves to digest proteins found in ingested food. Gastric chief cells secrete pepsin as an inactive zymogen called pepsinogen. Parietal cells within the stomach lining secrete hydrochloric acid that lowers the pH of the stomach.
Select the false statement about the effect of lymphopenia on the immune response following administration of immunosuppressive drugs like the corticosteroids. Select one: a. The immunosuppressive effect (lymphopenia) occurs 4 to 6 hours following drug administration and significantly reduces the number of circulating lymphocytes in the blood. b. Lymphopenia decreases the ability of lymphocytes to initiate and participate in an immune response. c. Corticosteroids increase the amount of lymphoid tissue and cells in the lymph nodes and spleen. d. None of these are false.
Answers
Answer:
The correct answer is option C (Corticosteroids increase the amount of lymphoid tissue and cells in the lymph nodes and spleen).
Explanation:
Lymphopenia occurs when the white blood cell count in the bloodstream of an individual that defends the body from a harmful attack is lower than normal this could be due to different reasons, maybe the body has been previously invaded by viruses, bacterias or diseases that have already weakened the immune system, or the body is under siege from a prolonged illness. The white blood cell counts may be very low or severe which rightly indicates all is not well with the body.
Corticosteroid drugs are usually used to treat inflamed areas of the body and they cause those special defensive white blood cells in the blood cell count to be channeled effectively to the bone marrow.
White blood cells, bone marrow, spleen, are examples of lymphoid tissue and cells which support the way the immune system responds to attack.
Corticosteroids don't increase the amount of lymphoid tissue and cells in the lymph nodes and spleen when immunosuppressive drugs like corticosteroids are used for individuals with lymphopenia.
A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of: Sympatric speciation. Iterative evolution Evolutionary drift Genetic drift Lamarckian evolution
Answers
The correct answer is iterative evolution. A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of iterative evolution.
Iterative evolution is the development of similar structures or forms independently over time in separate lineages. This is frequently seen in unrelated lineages of organisms that evolve similar features through convergent evolution. The crocodile-like morphology that evolved independently in Triassic reptiles called phytosaurs and later in true crocodiles is an example of iterative evolution as they evolved independently in separate lineages. The ability of the phytosaurs to thrive in an aquatic environment likely contributed to the development of this morphology, which later allowed true crocodiles to similarly thrive.
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Sound travels most quickly through a _____. A. gas B. solid C. liquid
Answers
Answer:
solids, and liquids next
Explanation:
Which change in an olfactory sensory neuron occurs when an odorant binds to a receptor?
a) Golf proteins are activated, which increase cAMP and open cAMP-gated cation channels.
b) Gs protein increase ATP concentration leading to greater transport and release of neurotransmitter at the axon terminus.
c) Gs proteins are activated, which increase PKA activity leading to enzyme phosphorylation, the generation of an action potential.
d) Golf proteins cause hyperpolarization of the sensory olfactory neurons leading to increased signaling to the olfactory cortex.
Answers
The correct answer is a) Golf proteins are activated, which increase cAMP and open cAMP-gated cation channels.
When an odorant binds to a receptor on an olfactory sensory neuron, it activates a G protein called Golf. Golf then activates an enzyme called adenylyl cyclase, which converts ATP into cyclic AMP (cAMP). The increase in cAMP levels opens cAMP-gated cation channels, allowing positive ions like Na+ and Ca2+ to enter the neuron, leading to depolarization and the generation of an action potential. This action potential then travels down the olfactory sensory neuron, triggering the release of neurotransmitters at the axon terminus and ultimately transmitting the signal to the olfactory cortex in the brain.
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3. Which part of the digestive system compacts waste and makes vitamin K?
O the pancreas
O the liver
O the colon
O the stomach
Answers
What are the top 10 carbohydrates foods?
Answers
Carbohydrates are an essential nutrient that provide energy to the body. Here are the top 10 carbohydrate-rich foods:
1. Oats: Oats are a good source of complex carbohydrates, fiber, and protein. They are a popular breakfast food and can be consumed in the form of oatmeal or granola.
2. Sweet potatoes: Sweet potatoes are a nutritious root vegetable that is high in carbohydrates, fiber, and antioxidants. They can be baked, roasted, or mashed and used in a variety of dishes.
3. Bananas: Bananas are a popular fruit that is high in carbohydrates, fiber, and potassium. They are a convenient snack and can be added to smoothies or used in baked goods.
4. Brown rice: Brown rice is a whole grain that is rich in carbohydrates, fiber, and essential nutrients. It can be used in place of white rice in many dishes.
5. Quinoa: Quinoa is a gluten-free whole grain that is high in protein, fiber, and carbohydrates. It can be used in salads, stir-fries, or as a substitute for rice.
6. Whole wheat bread: Whole wheat bread is a good source of complex carbohydrates, fiber, and protein. It is a healthier alternative to white bread and can be used in sandwiches or as toast.
7.Lentils: Lentils are a legume that is high in carbohydrates, fiber, and protein. They can be used in soups, stews, or salads.
8.Apples: Apples are a fruit that is high in carbohydrates, fiber, and antioxidants. They are a convenient snack and can be used in baked goods.
9.Chickpeas: Chickpeas are a legume that is high in carbohydrates, fiber, and protein. They can be used in hummus, salads, or curries.
10.Greek yogurt: Greek yogurt is a good source of carbohydrates, protein, and calcium. It can be consumed on its own or used in smoothies or as a substitute for sour cream.
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what is an evolutionary adaptation? what is an evolutionary adaptation? the ability of an individual to adjust to its environment a trait that an individual wants so that it can survive a trait that improves the fitness of its bearer, compared with individuals without the trait a trait that changes in response to environmental influences within the individual's lifetime
Answers
The process by which organisms adapt to their surroundings in order to increase their chances of surviving in that environment is known as evolutionary development, or simply adaptation.
A quality that a person desires to develop to increase their fitness or their capacity to adapt to their environment is the ability to change in reaction to their environment over the course of their lifetime.
What does a basic adaptation entail?The process through which organisms adapt to their surroundings to increase the likelihood that they will survive there.
An organism is what?A type of life made up of interdependent elements that support different vital functions.
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Groups of organisms which share a more recent ancestor have base sequences in dna that are more similar than those that share only a distant ancestor. How?
Answers
Groups of organisms that share a more recent ancestor have base sequences in DNA that are more similar to those that share only a distant ancestor in the linear order of the nucleotide sequence for conserved genomic regions.
What are evolutionary conserved genomic regions?Evolutionary conserved genomic regions are specific nucleotide sequences that are similar due to an origin in common, which may be evidenced by making a sequence alignment between genes of closely related organisms. Conversely, organisms that share only a distant ancestor do not show high similarity levels in these regions.
In conclusion, organisms that have the same more recent ancestor show more similar nucleotide sequences in conserved genomic regions when they are compared to a distant ancestor.
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Use the word bank below to fill in the blanks in the next question. Be careful, spelling counts! histone modification genomic conflict genetic maternal effect genomic imprinting environmental maternal effect DNA methylation induced pluripotent stem cells embryonic stem cells
usually inactivates genes, while We discussed two different types of epigenetic marks for "tags") in lecture. can activate or inactivate genes The hypothesis suggests that there are opposing evolutionary pressures on alleles of maternal versus paternal origin with respect to genes that affect early embryonic and fetal growth. Ideally, the cloning of whole organisms flike pets) should involve because these have very few or no epigenetic markers silencing specific genes. are usually used instead because they are easier to obtain, but they retain epigenetic tags that make cloning less successful The phenomenon in which a gene's expression is determined by its parental origin is called
Answers
DNA methylation usually inactivates genes, while histone modification can activate or inactivate genes. Genomic imprinting is the phenomenon in which a gene's expression is determined by its parental origin. Embryonic stem cells are usually used instead of induced pluripotent stem cells in cloning due to the retention of epigenetic tags that make cloning less successful.
DNA methylation plays a role in gene inactivation by adding methyl groups to DNA, while histone modification can activate or inactivate genes by modifying the histone proteins associated with DNA. Genomic imprinting refers to the phenomenon where gene expression is influenced by the parent of origin. In cloning, embryonic stem cells are preferred over induced pluripotent stem cells due to the retention of epigenetic tags that affect gene expression and may impact the success of cloning.
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Suppose the current exchange rate between Germany and Japan is 0.02 =C/¥. The euro-denominated annual continuously compounded risk-free rate is 4% and the yen-denominated annual continuously compounded risk-free rate is 1%.
a. What are the 6-month euro/yen and yen/euro forward prices
Answers
The 6-month euro/yen forward price is 0.0201185 €/¥.
The 6-month yen/euro forward price is 49.7307 ¥/€.
To calculate the forward prices, we need to consider the interest rate differentials between the two currencies.
1. Calculate the euro/yen forward price:
Forward price = Spot price × (1 + Euro interest rate) / (1 + Yen interest rate)
Forward price = 0.02 × (1 + 0.04) / (1 + 0.01)
Forward price = 0.0201185 €/¥
2. Calculate the yen/euro forward price:
Forward price = 1 / Euro/yen forward price
Forward price = 1 / 0.0201185
Forward price = 49.7307 ¥/€
Therefore, the 6-month euro/yen forward price is 0.0201185 €/¥, indicating the amount of yen needed to buy one euro in the future. The 6-month yen/euro forward price is 49.7307 ¥/€, indicating the amount of euros needed to buy one yen in the future.
These forward prices are determined based on the interest rate differentials and expectations of future currency exchange rates.
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Match the factor or enzyme at the right with the stage(s) of protein synthesis at which it acts. If a factor or enzyme participates in two stages of protein synthesis, indicate both of them.
___ Amino acid activation (a) RF1
___ Initiation (b) EF-Tu
___ Elongation (c) aminoacyl-tRNA
___ Termination (d) Shine-Dalgarno sequence
Answers
Amino acid activation (c), Initiation: (d), Elongation: (b), Termination: (a) for the protein synthesis
For protein synthesis:
Cells create new proteins through a process called protein synthesis. Transcription and translation are the two basic procedures. The DNA sequence of a gene is copied into a messenger RNA (mRNA) molecule in the nucleus during transcription. Translation then begins when the mRNA moves to the cytoplasm. Ribosomes read the mRNA during translation and then assemble the amino acids into a polypeptide chain in the proper sequence. Based on the mRNA sequence, transfer RNA (tRNA) molecules deliver the corresponding amino acids to the ribosome. The amino acids are joined together to make a useful protein when the ribosome advances along the mRNA. For cellular processes and the development of organisms, protein synthesis is a tightly controlled and critical process.
Amino acid activation: (c) aminoacyl-tRNA
Initiation: (d) Shine-Dalgarno sequence
Elongation: (b) EF-Tu
Termination: (a) RF1
Amino acid activation - aminoacyl-tRNA (c)
Initiation - Shine-Dalgarno sequence (d)
Elongation - EF-Tu (b)
Termination - RF1 (a)
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Scientists use specific levels of organization to analyze the biosphere. Which level of organization describes a school of anchovies?
A school of anchovies. At least 20 fish can be seen swimming.
Answers
Compared to the trees in tropical rainforests, the trees in temperate rainforests are generally: A) older B) heavier C) smaller D) younger
Answers
Answer:
Heavier
Explanation:
Edge 2020
