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sineoko [7]
2 years ago
15

Why does telomerase have to have a built-in template for dna synthesis? see section 15.4 (page 327) ?

Biology
1 answer:
vredina [299]2 years ago
3 0
Telomerase in lay terms is the aging protein and eventually stops the replication process
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On a backpacking trip, Kenny hikes all day at a steady pace, covering 30 kilometers and burning 4000 Calories. At the school tra
olganol [36]

Answer:

A. If the aerobic pathway—cellular respiration—cannot meet the energy demand, then the anaerobic pathway—lactic acid fermentation—starts up, resulting in lactic acid buildup and "oxygen debt."

C. After about 90 seconds of intense exercise, the muscles become depleted of oxygen, and anaerobic respiration can no longer function to produce ATP, resulting in "oxygen debt."

Explanation:

There are two sources of carbohydrates in the human's body for energy (ATP) production. 1) Creatine phosphate and 2) Glycogen. Creatine phosphate metabolizes easily and yields ATP quickly. Whereas glycogen is stored form of carbohydrate which yields energy more slowly. Therefore, initially, our bodies use creatine phosphate and then shift to glycogen. Within 60-90 seconds, the creatinine phosphate in the body is mostly utilized and then energy is produced by the use of glycogen in aerobic pathway. During areobic pathway, oxygen supply is sufficient and per cycle, it produces 32 molecules of ATP. However, when oxygen supply is limited or absent, the body will metabolize glycogen to lactic acid via fermentation and produce only 2 molecules of ATP.

Now consider the example: Kenny hikes all day at a steady pace therefore the supply of oxygen is sufficient for aerobic cellular respiration for ATP production. In this scenario, the oxygen debt is minimal and Kenny relies on aerobic respiration pathway to obtain energy. On the other hand, Janelle runs fast (100 meters in 13.5 seconds) and her cellular respiration would be on the compense of aerobic pathway initially which will be shifted to anaerobic pathway after the supply of oxygen is reduced/minimum. Janelle will heavily rely on the anaerobic pathway because running fast needs energy which cannot be provided via aerobic pathway easily. Therefore, Janelle's body will produce lactic acid and suffer from oxygen debt.

7 0
2 years ago
Question and Answer options in photo.<br><br> Zoom in if needed <br> Help :(
Tpy6a [65]

Answer:

I belive that the answer is B

Explanation:

I believe that it's B because if the rabit population continued to grow then it will allow the soil to become more fuirtle because of the dropings that the rabbits leave behind. This would cause more plants and growth in the habitat, which would lead to economic growth

I hope this helps!

4 0
3 years ago
Which of these statements describe a modified endowment contract (mec)?
salantis [7]
The statement which describes a modified endowment contract is this: 'Exceed the maximum amount of premium that can be paid into a policy and still have it recognized as a life insurance contract.
A modified endowment contract is a type of life insurance contract which has been funded with more money than allowed. Such a life insurance will no longer be regarded as life insurance by IRS, it will be considered as a modified endowment contract.
5 0
3 years ago
The largest part of the brain is the
eimsori [14]


The correct answer is a - cerebrum

The cerebrum, also called cortex is the largest part of the brain. It is divided into four sections, called lobes and these are the frontal lobe, the parietal lobe, occipital lobe and temporal lobe.

Front lobe helps in speech, reasoning, planning, movement , emotions and problem solving.

parietal lobe helps in orientation, and perception of stimuli and movement.

Occipital lobe  helps in visual processing.

Temporal lobe helps in memory, speech as well as perception and recognition of auditory stimuli.

6 0
3 years ago
A population of a wild animal is a frequent target for hunters. hunters tend to hunt the larger animals with big horns. how migh
DanielleElmas [232]
The smaller animals with short horns will be selected because the selection pressure, the hunters, favors their survival.
7 0
3 years ago
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