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Studentka2010 [4]
3 years ago
12

A sea otter is critical to the functioning of the ecosystem in which it lives. It affects the

Biology
1 answer:
hammer [34]3 years ago
5 0

Answer: A keystone species.

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It will transported across plasma membrane by simple diffusion. simple diffusion refers to a process by which molecules will pass across plasma membrane without the aid of channels located on the surface of the membrane. since the molecule identified was polar once it enter in hydrophobic region of the membrane it will not stick since this region is non-polar and therefore it will move easily across that region. 
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When sperm and ovum unite at conception, a(n) __________ results. autosome gamete zygote allele?
frosja888 [35]

Answer;

-Zygote

When sperm and ovum unite at conception, a zygote results.

Explanation;

-Conception occurs when a sperm cell from a fertile man swims up through the vagina and into the uterus of a woman and joins with the woman's egg cell (ovum) as it travels down one of the Fallopian tubes from the ovary to the uterus.

-A zygote is the union of the sperm cell and the ovum. Also known as a fertilized ovum, the zygote begins as a single cell but divides rapidly in the days following fertilization. After this two-week period of cell division, the zygote eventually becomes an embryo.

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3 years ago
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Is caused by vibration, can travel through a vacum, and travels in longitudinal waves<span />
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lawyer [7]

Answer:

2.) C

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Why do scientists use the International System of Units (SI)?
saw5 [17]

Answer:

It should be answer C.

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