3 years ago

What Two surround and enclose the chloroplasts.

2 answers:

7 0

Answer:

Chloroplasts are surrounded by a double membrane similar to the double membrane found within a mitochondrion. Within the chloroplast is a third membrane that forms stacked, disc-shaped structures called thylakoids.

delete this if It dosen‘t help

tatiyna3 years ago

3 0

Answer:

double membrane

Explanation:

Chloroplasts are surrounded by a double membrane similar to the double membrane found within a mitochondrion.

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A cell in the testes of a male bald eagle is getting ready to begin meiosis. The diploid number for this bird species is 66. How

Ostrovityanka [42]

Answer:

Replicated chromosomes at metaphase I = 66

Sister chromatids at metaphase I = 66 x 2 = 132

Sister chromatids at prophase II = 66

Chromosomes in each sperm cells = 33

Explanation:

Metaphase I of meiosis I would have 66 replicated chromosomes in the testicular cells of the bird. Each of the replicated chromosomes would have two sister chromatids. So, a total of 66 replicated chromosomes would have 66 x 2 = 132 sister chromatids.

Due to segregation of homologous chromosomes towards opposite poles in anaphase I, each daughter cell formed by the end of meiosis I would have 33 replicated chromosomes. So, each of the daughter cells would have a total 33 x 2 = 66 sister chromatids at prophase II.

Since meiosis II maintains the chromosome number, each sperm cell formed by the end of meiosis II would have 33 chromosomes.

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3 years ago

Which two positions shows the location of the moon in its crescent city phases as seen from earth?

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Answer:

waxing and waning crescent

Explanation:

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3 years ago

While mRNA strands are being created, a sequence is sometimes miscopied. What is the worst that could happen to a cell should th

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