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Bingel [31]
3 years ago
14

What percentage of human sperm cells carry an X chromosomes

Biology
1 answer:
topjm [15]3 years ago
4 0

Answer:

50%

Explanation:

because 50% comes from the male and 50% from the female

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Savatey [412]
Because in winter 1 habitat might get too cold so the bird might have to move to a warmer habitat in winter
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HURRY! I ONLY GOT SO LONG
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The best descriptions are those that correctly describe the terms or concepts ecology.

<h3>Which descriptions best fit the given terms?</h3>

The study of living things and their non-living is ecology.

The description of a given term provides information about that term or concept.

The best description of the given terms are as follows:

  1. Mutualism - a relationship where both organisms benefits
  2. Commensalism - a a relationship where one organism benefits and the other is unaffected
  3. Producers - organisms that make their own food
  4. Food web - show energy flow in an ecosystem
  5. Biome - a large area defined by climate and organisms that live there
  6. Stability - ability of an ecosystem to respond to change
  7. Exponential - growth pattern at constant rate
  8. Carrying capacity
  9. Food chain
  10. Limiting factor
  11. Parasitism
  12. Trophic levels
  13. Biodiversity
  14. Abiotic factors
  15. Population
  16. Climate
  17. Biosphere
  18. Consumers
  19. Keystone species
  20. Community

Therefore, the best descriptions are those that correctly describe the terms or concepts.

Learn more about ecology at: brainly.com/question/15971107

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7 0
2 years ago
True or false, the more lean muscle mass, the more responsive your body will be to insulin.
Naily [24]

Answer:

True

Explanation:

A general misconception is that insulin is only involved in energy and fat metabolism.  When energy needs are high, insulin transports sugar from the blood into the muscle where it can be converted into energy.  When energy needs are low, insulin facilitates the conversion of excess sugar into fat where it can be stored for future use.

What is often overlooked is the powerful effect of insulin on stimulating muscle protein growth and repair.  An essential action of insulin is to increase the transport into muscle of amino acids, the building blocks of protein, where they can be used for rebuilding and repair. Insulin’s anabolic effects do not end there. Insulin also plays an important role in turning on one of the metabolic switches that control protein synthesis.

This action explains why combinations of carbohydrate and protein are far more effective in stimulating protein synthesis than protein alone.  Two switches are responsible for turning on protein synthesis.  One is activated by protein, specifically amino acid levels in the blood, and the second by insulin.  Consuming carbohydrate (which raises insulin levels) and protein in your recovery drink gives you a dual benefit.  In fact, research has shown that a carbohydrate protein drink is 38% more effective than a protein drink in stimulating muscle protein synthesis post exercise.

Another important effect of insulin is inhibition of protein breakdown.  At any given time, muscle protein is in a state of flux – it is being synthesized and broken down.  When more protein is synthesized than broken down, you have a net gain in lean body mass.  After exercise, protein degradation is higher, primarily because during extended endurance activity up to 20% of the working muscle’s energy is derived from protein.  That’s why consuming protein in your sports drink offers significant advantages.  It reduces the amount of muscle protein used for energy.  Higher breakdown rates of protein after exercise increases muscle soreness and slows the overall recovery process. By inhibiting protein breakdown, insulin mediates a faster recovery.

The bottom line – by taking advantage of how and when insulin works and how nutrition can affect insulin activity, endurance athletes can optimize muscle recovery and achieve significant improvements in endurance performance.

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Do organisms have feelings?
kakasveta [241]

Most human beings do

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Advertising objectives can be classified based on three primary purposes. what are the three​ purposes?
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The three primary purposes that advertising objectives can be classified by area; To inform; this is in the case of a new product where the company needs to inform the customers and create awareness on the existence of a new product. Secondly; To persuade; once you are in a competitive environment there is need to persuade the customers to buy your product. Lastly, To remind; this is especially important for a mature brand. 
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