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Ugo [173]
2 years ago
15

What is cancer? it’s for my semester exam study guide

Biology
2 answers:
jok3333 [9.3K]2 years ago
7 0

Answer:

a mutation in the cells that causes malignant cells to develop

Explanation:

Alecsey [184]2 years ago
3 0

Answer:

Tumor maligno, duro o ulceroso, que tiende a invadir y destruir los tejidos orgánicos circundantes.

"a principios de los años cincuenta, los médicos descubrieron la conexión del humo del tabaco con determinados tipos de cáncer

Explanation:

I do not speek inglés i'm mexican long live mexico

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What can be the cause of single gene mutation
Snezhnost [94]

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the anser is defority

Explanation:

3 0
3 years ago
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We learned that Robert Hooke named cells from the Latin, cella, which means "small room". Do you think Mr. Hooke was observing p
uysha [10]

Answer:

Plant cells

Explanation:

Visually, plant cells are more rectangular and organized as compared to animal cells which are more diverse in shape. I hope this can help you!

8 0
2 years ago
If 1000 f2 offspring are obtained, how many flies of each phenotype are expected?
aniked [119]
<span>In Drosophila + indicates wild-type allele for any gene, m is mahogany and e is ebony. Female parents are m+/m+ and males are +e/+e. F1 are m+/+e, all wild type. F1 females are crossed with me/me males - the test cross. Offspring will be : non recombinant m+/me, mahogany wild type or +e/me wild type ebony. OR recombinant me/me mahogany ebony or ++/++ wild type. As the two genes are 25 map units apart, the percentage of recombinants will be 25% and therefore percentage parental types will be 75%. 75% 1000 is 750. There are two parental types, so you would expect 375 of each. Therefore, you would expect 375 m+/me and 375 +e/me. 25% of 1000 is 250 split between two recombinants =125 of each. Therefore you would expect 135 me/me and 125 ++/++</span>
7 0
3 years ago
Which of the following would have resulted from the functions of prokaryotes on early Earth?
Aliun [14]

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More nitrogen gas became present in the atmosphere

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Small children have a tendency not to eat a variety of foods, which can harm them in early development. A mother brings her daug
Afina-wow [57]

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c

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