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elixir [45]
2 years ago
14

What are immortal cell lines and why are they important for cell research?

Biology
2 answers:
irga5000 [103]2 years ago
8 0

Answer:

scientists compare unknown cells to known cells. That way they can find out the species of the immortal cell and then find out what they're dealing with.

Explanation:

MAXImum [283]2 years ago
6 0

Explanation:

hope it helps

plss mark me as brainliest

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Is central vacuole a plant, animal, or both?
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Plant organelle

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Only plant cells have central vacuoles used for storing water usually. Animal cells can have vacuoles, but these are never described as central as there can be many and they are not as large as plant vacuoles.

8 0
3 years ago
Evaluate each of the statements below. If a statement pertains to the characteristics of all
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What are some questions that biologists might ask about the living things they study?
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Epigenetics may be defined as changes in the expression of a gene or set of genes by _______ and _______.
nataly862011 [7]

Epigenetics is the study of how DNA methylation and alterations to chromosomal proteins affect a gene or group of genes express themselves. For changes in a gene's expression, both of these are need.

In a biological process called DNA methylation, methyl groups are added to the DNA molecule. A DNA segment's activity can be altered by methylation without the sequence changing. DNA methylation usually inhibits transcription of genes when it occurs in a gene promoter.

Epigenetics literally translates to "along with changes in genetic sequence." Any procedure that modifies gene activity without altering DNA sequence and results in modifications that can be passed on to daughter cells is now included in the term. Is called Epigenetics.

Learn more about Epigenetics here

brainly.com/question/2670031

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5 0
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4. Following statements describe the five steps in animal nutrition. Read each statement and give one word for each statement.
DIA [1.3K]

Answer:

A) assimilation

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D) ingestion

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Explanation:

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