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slega [8]
2 years ago
7

What is the purpose of the yolk in an amphibian egg?

Biology
1 answer:
lbvjy [14]2 years ago
6 0
The correct answer is that the yolk provides nutrients for the embryo. Hope this helps.
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Compare and contrast the structure of prokaryotes and eukaryotes. Describe an organelle that is common to both prokaryotes and e
Liono4ka [1.6K]

Answer:

Eukaryotes are alive, but Prokaryotes aren't.

But both contain a <em>plasma membrane</em>, <em>cytoplasm</em> and <em>ribosomes</em>. Hope this helps!

7 0
3 years ago
1<br>Name the gas produced by the pondweed in the light.<br>[1 mark]​
aksik [14]

Answer:

This process of making sugar and oxygen is called photosynthesis. Pond weed uses the carbon dioxide which is dissolved in the water it is in. The amount of dissolved carbon dioxide can be varied by adding sodium hydrogen carbonate (carbon dioxide solution) to the water.

Explanation:

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2 years ago
Why is the cell the lowest level of biological organization the that can maintain life?
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Answer:

It's the lowest level of biological organization that can survive and reproduce as long as appropriate conditions are achieved.

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3 years ago
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Irina18 [472]
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3 years ago
How does homeostasis work in both prokaryotic and eukaryotic cells?
Roman55 [17]

The process of passing genetic material from one generation to the next depends completely on how cells grow and divide. To reproduce, a simple organism such as bacteria or yeast simply copies its DNA (through a process called replication) and splits in two. But organisms that reproduce sexually go through a complicated dance that includes mixing and matching strands of DNA (a process called recombination) and then reducing the amount of DNA in special sex cells to arrive at completely new genetic combinations for their offspring.

There are two basic kinds of organisms — ones with a nucleus and those without a nucleus (a compartment filled with DNA surrounded by a membrane called a nuclear envelope):

<span>Prokaryotes: Organisms whose cells lack a nucleus and therefore have DNA floating loosely in the liquid center of the cell. Prokaryotes divide, and thus reproduce, by simple mitosis.</span><span>Eukaryotes: Organisms that have a well-defined nucleus to house and protect the DNA. Eukaryotes divide by meiosis for sexual reproduction.</span>
5 0
3 years ago
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