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Marrrta [24]
2 years ago
8

In direct calorimetry, a person is placed in a large, water-insulated chamber. The chamber is kept at a constant temperature. Wh

ile in the chamber, the subject is asked to perform a number of normal activities, such as eating, sleeping, and exercising. The rate of heat released from the subject’s body can be measured by the rate of heat gain by the water bath. Would direct calorimetry be a practical way to measure metabolic rate? Why or why not?
Biology
1 answer:
Anastaziya [24]2 years ago
5 0

Answer:

Although direct calorimetry is considered to be the most precise technique for the measurement of metabolic rate, construction of such a chamber that is large enough for doing exercise physiology research (or any research for that matter) is extremely expensive and not at all mobile.

Explanation:

Direct calorimetry measures the heat production of an individual, in calories, when placed in an insulated chamber where the heat is transferred to surrounding water. This is a very accurate method of measuring energy expenditure.

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Investigator A has biological specimens that are coded and linked to identifiers of the source individuals. Investigator A provi
ladessa [460]

Answer:

The correct answer is option C.

Explanation:

Human subject research is an investigation or research that include human as the subject. In other words, An Investigator conducts clinical research on humans getting data through interaction and intervention of individuals.

investigator A has investigated biological specimens. These specimens are coded and linked to the identifiers. Investigator B's research using biospecimens human subject is not according to the human subject research in the federal regulations as investigator B did not get the individual identifiers.

Thus, the correct answer is option C.

7 0
2 years ago
Which of the following statements is true regarding cerebral lateralization? Check all that apply
Finger [1]

Answer:

A. Left-handed people usually exhibit a wider frontal, parietal, and occipital lobe on the left compared to the same lobes on the right.

D. Imagination, insight, and artistic skill are usually specialties of the right hemisphere.

E. Lateralization develops with age and is not already developed at birth.

Explanation:

3 0
2 years ago
Why do some cells divide faster than others and some cells do not divide after they are formed? Into which group does cancer fit
Nuetrik [128]

Skin cells, divide in a continuous manner that makes new skin cells to replace the skin cells we lost. Cells regulate their division by cyclins. Some cells divide faster when it supposed to stop dividing and this will lead to cancer disease.

<u>Explanation:</u>

The process of cell division occurs for many reasons. A single cell is divided into two which in turn they will be divided into four and so on. This corresponds to the process of cell division and cell reproduction. Cell division is  an unique characteristics in human beings. Interactions between signaling proteins produces checkpoints in the cell cycle to ensure that cells do not divide at improper times.

A protein named Cyclins plays a major role in the determination and the regulation of the cell division process. The division that occurs in the cell can be regulated by the this protein type. They acts as a switch for controlling the cell division process. They will signal the cells when to divide and when to stop. When any cell continues to divided even after it is signaled to stop they may lead to a disease called cancer.   These are different form the normal cells because they will be having their own growth factors that controls their growth and they will lose the normal controls on the cell cycle.

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2 years ago
Identify and describe a cellular division process that could be used by trichoplax when it reproduces asexually HELP I ONLY HAVE
STatiana [176]
<h3><u>Answer and explanation;</u></h3>

<u>Binary Fission. </u>

  • <em><u>Binary division is a process of cell division in which an organism replicates itself together with its DNA, then divides into two identical organisms.</u></em>
  • <em><u>Binary fusion is a type of asexual reproduction by separation of the body of n organism into two bodies</u></em>. Organism duplicates its genetic material also known as the DNA, and then divides into two parts, with each new organism receiving a copy of DNA.
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2 years ago
What would happen if you could breathe in but you couldn't breath out?
hodyreva [135]

Answer:

You would pop. And that would be sad.

Explanation:

3 0
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