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andre [41]
3 years ago
11

Which best describes a gene?

Biology
1 answer:
expeople1 [14]3 years ago
3 0

Answer:

A gene is a segment of a DNA strand.

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Why should antibiotics be used as a last resort rather than a first line of defense against bacteria
stepan [7]
Doctors would let your body's immune system fight off a bacterial infection. If the infection gets worse, then the doctors would proscribe you with some antibiotics so it'll fight off the harmful bacteria.
6 0
3 years ago
Consider the following geometric solids a sphere with a ratio of surface area to volume equal to 0.08 M negative one a right cir
azamat

Options:

A. The rate of diffusion would be the same for the two models.

B. The rate of diffusion would be faster for the right cylinder.

C. The rate of diffusion would be slower for the right cylinder.

D. The rate of diffusion would be faster for the sphere.

Answers:

The rate of diffusion would be faster for the right cylinder. Thus, the correct option is B.

To begin with, we must comprehend how the ratio of surface area to volume affects the rate of diffusion.

When comparing the ratio of surface area to volume, a body with a larger surface area will have a higher rate of diffusion than a body with a smaller surface area. It can be expressed mathematically as:

V∝ R    (whereas v is the diffusion rate and r is the surface area to volume ratio)

The answer to the question's surface area to volume ratio for spheres is given 0.8m⁻1

For a right circular cylinder, the surface area to volume ratio is provided  is 2.1 M.

The right circular cylinder has a larger ratio, hence it is obvious that the right circular cylinder will have a higher rate of diffusion because the rate of diffusion is directly related to the surface area to volume ratio.

For more information regarding volume, visit:

brainly.com/question/463363

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4 0
1 year ago
Which of the following stages of the cell cycle happens last?
Viktor [21]

C. telophase and cytokinesis

Explanation:

I'm not sure how I explain this tho

3 0
3 years ago
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How does a dichotomous key help you identify unknown specimens based on their traits? Answer with details about the format and s
Aneli [31]
A dichotomous key helps you identify unknown specimens based on their traits because there are only two options available per trait. Selecting one from the two options (usually contrasting characteristics) from each step leads to smaller and smaller groups until the option is reduced to single and unique trait of an organism.

Considering you need to identify an organism. So, on the top of they key is animal with options: (a) with red blood cells and (b) no red blood cells. The option you will select is no red blood cells and under option b, you’re given two choices again: (a) hard bodies and (b) soft bodies. You’ll select soft bodies, then two options again are given: (a) with shell and (b) without shell. The option you’ll select would be without shell, and so on.
4 0
3 years ago
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In a population of 10,000 mussels, how many individuals would be heterozygous and contain the recessive gene that might potentia
skelet666 [1.2K]

Answer:

a) 198

Explanation:

just did the usatestprep

8 0
3 years ago
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