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BARSIC [14]
3 years ago
9

BRAINLIEST HERE FOR THE FIRST CORRECT ANSWER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Biology
1 answer:
Troyanec [42]3 years ago
4 0

Answer:

The lining of the uterus thickens

Explanation:

Only the healthiest egg will eventually mature. (On rare occasions, a woman may have two eggs mature.) The rest of the follicles will be reabsorbed into your body.

The maturing follicle sets off a surge in estrogen that thickens the lining of your uterus. This creates a nutrient-rich environment for an embryo to grow.

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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
Microtubules, microfilaments, and intermediate filaments make up the _____, which lies beneath the plasma membrane and provides
siniylev [52]
The correct answer to the question above is cytoskeleton. Microtubules, microfilaments, and intermediate filaments make up the cytoskeleton, which lies beneath the plasma membrane and provides support, movement, and shape for the cell. These structures definitely form cytoskeleton for the support and structure.
4 0
2 years ago
Read 2 more answers
Is a archaebacteria cell wall present or absent
GenaCL600 [577]

Answer:

Archaebacteria have cell wall made of complex composition of peptidoglycan

3 0
2 years ago
Which modification is crucial in preparing an mRNA strand for proper translation? removal of introns and the splicing together o
yarga [219]
Removal of introns and the splicing together of exons.

Introns are regions of the DNA code that do not code for amino acids; therefore, they need to be removed before the mRNA strand is translated. Exons are the parts of the strand that do code for proteins, so they need to be pieced together once the introns are removed.
5 0
3 years ago
The __________ perspective on the family is characterized by concepts linking psychosocial factors to physiology, genetics, and
Neko [114]

Answer:

The correct answer is -Biosocial perspective.

Explanation:

In the last few years, the research and thinking on biosocial perspectives on the family come in light. The biosocial perspective on the family is characterized by concepts or laws related to various psychological factors to evolution, genetics, and physiology.

Three major developments that are contributed in this perspective are findings of proximate biological interplay, advances in evolutionary thinking and alteration in the field of studies related t the family.

Thus, the correct answer is - the biosocial perspective.

7 0
3 years ago
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