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4 years ago

11

Suppose a person has a small intestine that has fewer villi than normal. Would the person most likely be overweight or underweig

ht?

1 answer:

lilavasa [31]4 years ago

4 0

Most likely underweight, since the person isn't getting as many nutrients as everyone else, they wouldn't be able to gain as much mass.

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I may need some help on a lot of these questions

stellarik [79]

Answer:

number three is ghe real answer

4 0

3 years ago

Is the correct order in a homeostatic feedback system stimulus, receoptor, control centre, effector?

Fantom [35]

Answer:

Correct

Explanation:

Homeostatic is nothing but ability of a system or living organism to manipulate its internal environment to maintain a stable equilibrium, for example the ability of warm-blooded animals to ascertain a constant body temperature.

The Homoeostatic feedback mechanism has three basis components and they are independent to one another.

These components are receptor, effector and integrating center. The function of receptor is to sense external stimuli and send information to integrating center. The integrating center generally hypothalmus in brain sends this signal to effector for example an organ to react to the stimuli.

So, the order in a homeostatic feedback system stimulus, receoptor, control centre, effector is correct.

7 0

3 years ago

A strand of DNA that is 36 nucleotides long codes for how many amino acids?

Margarita [4]

Answer:

See answer below

Explanation:

Hi there,

Assuming this DNA strand is fully capable of being mature mRNA (5' m7G cap and PolyA tail), nucleotides lead to an mRNA codon, which is 3 nucleotides per codon. In turn, 1 codon leads to 1 amino acid. However, as a single strand, it must be capable of terminating translation, which always requires a stop codon, and thus 3 nucleotides. Hence, we must subtract this from the total amount of codons <em>first</em>.

$36 \ ncltd \ \frac{1 \ codon}{3 \ ncltd} = 12 \ codon\\12 \ codon - 1 \ codon \ = 11 \ codon\\11 \ codons\ \frac{1 A.A.}{1 \ codon} = 11 \ A. A.$

Hence, only 11 amino acids will be coded by a single DNA strand 36 ncltd long.

thanks,

3 0

3 years ago

What is it called when a molecule moves across a semipermeable membrane into a region of higher concentration?

Daniel [21]

Its actaully active transport

4 0

3 years ago

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What does primary productivity measure?

Goshia [24]

It measures the total rate at which photosynthesis or chemosynthesis happens in a system.

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3 years ago

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