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Nadusha1986 [10]
3 years ago
8

List the major components that contribute to the body's daily expenditure of energy. Compare the relative contributions of a sed

entary person with a marathon runner of the same body weight.
Biology
1 answer:
k0ka [10]3 years ago
8 0

Answer:

1. TEF

2.RMR

3.TEA

Explanation:

The major components that contribute to the body daily expenditure are as follows

1. TEF(Thermal effect of feeding)

2.RMR( Resting metabolic rate )

3.TEA(Thermal effect of activity)

Generally resting metabolic rate consume 60 to 75% of energy for  maintenance thwe body temperature.

When body is doing this some physical work then it is called activity related expenditure.

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Your 1 st section should be about reproduction in humans.
jekas [21]

The human reproductive system is different in males and females. When a sperm and egg join, the egg is fertilised and a baby starts to develop. Its mother provides all a baby’s needs until it is born.Fertilisation happens when an egg cell meets with a sperm cell and joins with it. The fertilised egg divides to form a ball of cells called an embryo. The embryo attaches to the lining of the uterus. It begins to develop into a fetus and finally into a baby.The mother’s lifestyle can affect the developing fetus. For example, smoking reduces the amount of oxygen in the bloodstream. This can lead to low birth weight and premature birth (when a baby is born too soon). Drinking alcohol during pregnancy can harm the developing baby’s nervous system, especially its brain.

Birth

It takes about 40 weeks for a baby to develop in the uterus. This time is called gestation. After this, the baby is ready to be born. The cervix relaxes and muscles in the wall of the uterus contract. Waves of muscle contraction push the baby out of the mother's body through the vagina.

4 0
4 years ago
What is the relationship between increased carbon in the ocean and increased carbon in the soil?
zhuklara [117]

Answer:

What is the relationship between increased carbon in the ocean and increased carbon in the soil?

How else might carbon be transferred to soil? Direct because as you increase 1 you increase the other due to the terrestrial plant and oceanic plankton requirements of water, nutrients and CO2.

Explanation:

Hope this <em><u>Helped!</u></em> :D

8 0
3 years ago
At your lab station, you put 30 mL of hydrogen peroxide into three separate beakers and add 2 grams of ground up liver to each o
stepan [7]

Based on the investigation, the inference that can be made about the result is that catalase activity increases with warm temperature.

The liver usually contains an enzyme known as catalase that is capable of breaking down hydrogen peroxide into water and oxygen gas. The bubbles observed in the beaker during the investigation represent the oxygen being evolved from the breakdown of the hydrogen peroxide by the catalase in the liver sample.

At room temperature, a moderate number of oxygen bubbles were observed.  The number of bubbles increased with increased temperature as a result of placing the beaker in a warm water bath. At a lower temperature brought by placing the beaker in an ice water bath, no bubbles were observed.

Thus, we can effectively conclude that the activities of the catalase enzyme in the liver increased with a moderately increased temperature.

More on the effects of temperature on catalase activities can be found here: brainly.com/question/18650715

3 0
3 years ago
Which of the following occurs when a cell repairs a double-strand DNA break by the process of nonhomologous end joining? 1.The D
victus00 [196]

Answer:

option 3

Explanation:

In non-homologous end joining, the break ends are directly ligated together without the need for a homologous template unlike the homologous repair. this form of repair uses short homologous sequences of DNA termed microhomologies to direct repair and these microhomologies are seen as single-stranded overhangs found on the ends of double-strand breaks. When the overhangs are perfectly compatible, NHEJ ligates and repair the break. When these overhangs are not compatible, imprecise repair leading to deletion of nucleotides can also occur which is much more common .

8 0
3 years ago
Read 2 more answers
A major difference between mammalian spermatogenesis and oogenesis is _____.
Brut [27]
A major difference between mammalian spermatogenesis and oogenesis is <span>the number of gametes made per month.</span>
3 0
3 years ago
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