Which ACTN3 genotype (RR, RX, or XX) would provide these Olympic marathon athletes with an advantage, and why?
Answer:
XX
Explanation:
ACTN3 genotype i.e. XX provides advantage to the Olympic marathon athletes because it strengthens the fiber of the muscles. This gene is also called the gene of speed. This ACTN3 gene has a great influence on the type of fiber that makes body muscles, and they are also linked to strength and endurance so we can conclude that this gene provides benefits to the Olympic marathon athletes by giving strength to the fiber of muscles.
ACTN3 genotype is the gene encoding for the actinin of the skeletal muscle fibres. XX of the ACTN3 genotype will be advantageous for marathon athletes.
What is ACTN3 genotype and XX?ACTN3 genotype is the gene encoding for the protein of the skeletal muscles fibres that are associated with muscular performance. This protein is expressed in the myofibers with a high twitching ability and result in a high-velocity force.
The XX genotype provides strength to the muscles and is the gene coding for the proteins that give speed. They are also responsible for endurance and are beneficial for athletes.
Therefore, XX of the ACTN3 genotype is advantageous for athletes.
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explain the effects of the production of large amounts of antidiuretic hormone in the human body
Answer:
Antiuretic hormone is a hormone that performs functions related to the reabsorption of water molecules through of the kidneys and with the decrease in the amount of urine accumulated in the body. An excess of antiuretic hormone conditions a retention of water and the elimination of sodium in the urine
Explanation:
Antidiuretic hormone (ADH) participates in regulating the water balance in the body, controlling the amount of water reabsorbed by the kidneys after they have filtered waste from the blood. Excess ADH leads to increased water reabsorption in the collecting duct, with increased urinary osmolarity. If there is too much ADH, water is retained, blood volume increases and affect can lead to nausea, headaches, disorientation, lethargy and hyponatraemia (decreased sodium concentration in the blood).
If the population of tree were destroyed due to deforestation what is the most likely to outcome of this food chain 
Answer:
A
Explanation:
The primary would decrease due to no trees
4. On the basis of what criteria did Linnaeus classify “natural bodies"
into his system?
Answer:
Metamorphism is the answer
name some component of the blood that transports lactic acid
Answer:
plasma
Explanation:
the plasma circulates dissolved nutrients such as glucose, amino acids and fatty acids.
What is one of the biomolecules for which nitrogen is needed (hint: they help build muscles)?
One of the biomolecules for which nitrogen is needed and that build muscles are the proteins, and the nitrogen is also found in the DNA and RNA that are present in the cells.
What is the significance of the nitrogen in the protein?Proteins play many important roles in the body, including building and repairing tissues, and nitrogen is a critical component of proteins, as it is incorporated into the molecule as a part of the amino acids. Without nitrogen, proteins would not be able to form and perform their many important functions so a diet that is rich in protein is important for athletes and bodybuilders to build and repair muscle tissue.
As a result, of the biomolecules for which nitrogen is needed and that build muscles are the proteins, and the nitrogen is also found in the DNA and RNA that are present in the cells.
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PLZZ HALP Put the following terms in order from the most specific to the broadest (1-9).....
Organelle....Organ....Macromolecule....Atom....Organism....Cell....Organ system....Molecule....Tissue
Answer:
molecule → macromolecule → organelle → cell → tissue → organ → organ system → whole organism.
Explanation:
For what cellular function does the breathing rate help regulate?
Answer: The respiratory system works with the circulatory system to provide this oxygen and to remove the waste products of metabolism. It also helps to regulate pH of the blood. Respiration is the sequence of events that results in the exchange of oxygen and carbon dioxide between the atmosphere and the body cells. The main purpose of respiration is to provide oxygen to the cells at a rate adequate to satisfy their metabolic needs. This involves transport of oxygen from the lung to the tissues by means of the circulation of blood. brainliest?
Explanation:
HELP!!!!!! 50PTS!!!!
Which of the following is a result of artificial selection? (4 points)
Animals with beneficial traits in a given environment survive.
Beneficial traits are selected based on the environment.
Individuals with beneficial adaptations reproduce more and pass traits on to offspring.
Crops and livestock animals bear little resemblance to wild ancestors.
Answer:
Beneficial traits are selected based on the environment.Explanation:
The Bloodhound dog breed was bred in the middle ages for an excellent sense of smell to be used for hunting.
what is the food that cat CAN'T eat 1.chocolate
2.milk
3.yogurt
4.salt
select 2 of them
Answer:
MILK
AND
CHOCOLATE
MARK ME AS BRAINLIST
Answer:
Chocolate & salt....the other two r milk products, so it's fine for cats.
Can someone please help me
Answer:
The question A. is "period"
The question Below known as B. is "Group"
Explanation:
"You must not fear, for the answers are actually quite near."
(like in the paper)
GIVING BRAINLIEST!!!!!!
The brain sends signals to the rest of the body so that our bodies do what is needed to survive. Explain what the brain tells your body to do if you touch a hot object with your hand.
A) Move your hand away
B) Pump less blood to your hand
C) Slow down your heart rate
Answer:
A
Explanation: I got it correct on a quiz I did that had this question
Move your hand away. Therefore, option (C) is correct.
What is reflex arc?A reflex arc is a neural pathway that mediates a reflex action. It is a rapid and automatic response to a specific stimulus that does not require conscious thought or decision-making from the brain. When a sensory receptor in the body, such as the skin or muscles, is stimulated, a nerve impulse is transmitted to the spinal cord, where it is processed by an interneuron.
The interneuron then sends a signal through a motor neuron to the effector, such as a muscle, causing a rapid and involuntary response, such as pulling your hand away from a hot stove. This entire process occurs without conscious control from the brain, allowing for quick and protective responses to potentially harmful stimuli.
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What are the steps a botanist likely might follow in the discovery of a new plant species? Describe at least two
steps.
Answer:
Reminder to be happy, go drink some water, eat some food and relax! You are loved :) <3
Explanation:
How do electric charges behave?
PLEASE HELP I WILL MARK BRAINLIEST‼️
EXTRA POINTS‼️‼️‼️
Answer:
15200
Explanation:
76,000 divided by 5
Mutations within a DNA sequence are natural processes that--
A are usually good.
B are usually bad.
C usually cause cancer.
D produce genetic diversity.
Answer:
D
Explanation:
Mutations can cause other species to occur, like polar bears. They also cause different genetic traits within a species like different hair color.
Answer:
d
Explanation:
it produces genetic diversity
A keystone species maintains the __ in the ecosystem. A. Energy B. Stability C. Producers
Answer:
i would say A energy
Explanation:
srry if i got it wrong but have a nice day
During photosynthesis in plants, what is the source of the carbon in the glucose sugar molecule
(C6H12O6)?
Carbon dioxide in the air
Carbon monoxide in the air
Carbon particles in the soil
Carbon particles in water
Answer:
Carbon in the air
Explanation:
The transport of water through a plant depends on roots absorbing water. Roots depend on osmosis to obtain water. In osmosis, water always a. Moves from a high concentration to a lower concentration b. Moves from a lower concentration to a higher concentration c. Moves so that the concentration of water on one side of the cell membrane is higher than on the other side d. Moves until there is no water left on one side of the cell membrane
NEED HELP
In a population of cats, a gene that controls an observable trait has several different alleles. Which of the following best explains how genetic drift might affect the genetic makeup of this cat population over time?
It is a directed process, so it might cause an increase in the gene pool's allele frequencies.
It is a nonselective process, so it might cause an allele to disappear from the gene pool by chance.
It is a random process, so it might cause a population to reach genetic equilibrium.
It is a selective process, so it might cause an increase in the population's genetic variation.
Answer: It is a nonselective process, so it might cause an allele to disappear from the gene pool by chance brainliest?
Explanation:
Describ how animals receive their energy indirectly from plants?
Answer:
PLANTS are 'PRODUCERS' of energy. They use SUNLIGHT + water, minerals and carbon dioxide to make energy. ... To get energy animals need to eat. They get their energy INDIRECTLY from the from the sun by eating other organisms.
Two interacting systems involved in plant transport are shown here. Which statement best describes the function of xylem and phloem in transporting substances throughout the plant?
Answer:
C. Xylem transport water and nutrients from the soil to the leaves while phloem transport carbohydrates from the leaves to the rest of the plant.
Explanation:
The human immune system detects the presence of pathogens using pattern recognition receptor molecules that bind to common components of pathogens, such as peptidoglycan polymers in cell walls and the flagellin protein of bacterial flagella, known as pathogen-associated molecular patterns, or PAMPs. These receptors are effective becauseGroup of answer choicesthey detect only human immune molecules.they result in rapid evolution of the host immune system.they recognize evolutionarily conserved molecules that are structurally essential to the various bacteria that use them.PAMPs evolve more quickly than other pathogen molecules.
They recognize evolutionarily conserved molecules that are structurally essential to the various bacteria that use them.
What are Pattern recognition receptor molecules?Pattern recognition receptor molecules detect pathogen-associated molecular patterns (PAMPs), which are structurally conserved components of pathogens such as bacteria, viruses, and fungi. These molecules are essential for the survival and function of the pathogen, and are not found in the host's cells.
By recognizing PAMPs, the immune system can quickly identify and respond to a wide range of potential pathogens, without needing to recognize every individual pathogen separately. Therefore, the receptors are effective because they recognize evolutionarily conserved molecules that are structurally essential to the various bacteria that use them.
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41 points and BRAINIEST 11. A species of rodent can either have brown fur or white fur. Brown fur is recessive and white fur is dominant. Which of the following would cause the rodent population to not be in Hardy-Weinberg Equilibrium? (2 points) Situation In Hardy-Weinberg Equilibrium? Brown fur allows rodents to hide more easily White fur attracts mates better. Rodents cannot leave or enter their habitat The rodents mate randomly, The rodents mutate a new allele for gray hair
( I don't understand what to write in the box thing)
Answer:
i think yes in 3 4 5 not in 1 2. It's asking if the genetic situation applies to the hardy equillibrium.
Explanation:
Help ASAP
Which of the following correctly describes the process of cellular respiration?
O A. Carbon dioxide + sugar + sunlight + sugars + water
O B. Carbon dioxide + water + sunlight → sugars + oxygen
O C. Sugars + oxygen → energy + carbon dioxide + water
D. Sugars + carbon dioxide + energy + oxygen + water
Answer:
C
Explanation:
The north pole of a compass magnet points toward
O A. magnetic north
B. geographic south
C. geographic north
D. magnetic south
SUBMIT
D. Magnetic south
Hope this helps :)
How do animals help recycle carbon atoms?
Answer:
animals, oxygen combines with food in the cells to produce energy for daily activity and then gives off carbon. The carbon combines with oxygen to form carbon dioxide (CO2) and is released back into the atmosphere as a waste product when animals breathe and exhale
Answer:
In animals, oxygen combines with food in the cells to produce energy for daily activity and then gives off carbon. The carbon combines with oxygen to form carbon dioxide (CO2) and is released back into the atmosphere as a waste product when animals breathe and exhale.
Explanation:
This is the ultimate source of our energy
Answer:
yes thats right, its the sun
Which series is arranged in order from largest to smallest in size?
Name the carbohydrate which forms cell wall
Answer:
Cellulose
hope this answer helps you...
