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prohojiy [21]
3 years ago
14

How does a cell get energy for cellular functions using cellular respiration?

Biology
1 answer:
Phantasy [73]3 years ago
7 0

Answer:

the cell combines oxygen molecules to provide energy for use in cellular respiration

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Use the models that you created in Lesson 2, Lab 1 to help you answer the following question.
masha68 [24]
The answer is <span>B. A smaller cell has more surface area than volume.

</span>This is simple mathematics. Let's imagine that cell is spherical.
Now, we have two spheres: one big (with radius r = 5 cm) and one small (with radius r = 2 cm).
The formula for the surface area of the sphere (A) is A = 4 π r².
The formula for the volume of the square is 4/3 π r³.

Now, let's compare two spheres:

Small sphere:                                                  Big sphere:
r = 2 cm                                                            r = 5 cm
A = 4 π 2² = 50.3 cm²                                      A = 4 π 5² = 314.2 cm²<span>
V = 4/3 </span>π 2³ = 33.5 cm³                                   V = 4/3 π 5 ³ = <span>523.6 cm³ 

According to the calculation, the smaller sphere will have more surface area than volume. This can be extrapolated to all shapes, not only spheres, so the </span><span>smaller cell has more surface area than volume.</span>
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3 years ago
Sudoriferous glands produce ________.<br><br> sweat<br> lipids<br> sebum<br> milk
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These are exocrine glands which produce and secrete the their secretions on an epithelial surface by the help of duct.

Sweating is a natural phenomenon which is used to regulate the body temperature.

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2 years ago
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