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NeX [460]
3 years ago
12

18

Biology
1 answer:
d1i1m1o1n [39]3 years ago
3 0
The organelle that is responsible for regulating what enters and leaves the cell is A.
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Basically 1 out of 52 is a percentage. So, 1 is equivalent to 5.2% out 52, and if you choose one number your likely hood of it being right is 5.2% 
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What is the genotype of the offspring missing on the first row of the punnett square?
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Which piece of DNA would move fastest in gel electrophoresis? A segment that is
Yuri [45]

Answer:

answer is 100 base pairs long

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2 years ago
Choose the true statement(s) that support(s) the endosymbiotic theory. To be marked correct, you'll need to select all true stat
horsena [70]

Answer:

a.Many mitochondrial genes resemble proteobacteria genes, while the genes in the chloroplast resemble genes found in some photosynthetic bacteria.

c.Mitochondria and chloroplasts both have their own circular DNA and 70S ribosomes that are similar to those found in bacteria.

d.Mitochondria and chloroplasts replicate by a process similar to mitosis.

Explanation:

Endosymbiotic theory states that mitochondria and chloroplast which are organelles of eukaryotic cells were once independently living micro-organisms but with due course of time eukaryotic cells engulfed them and they become an integral part of these eukaryotic cells.

The resemblance between mitochondrial genes with those of proteobacteria and chloroplast genes with photosynthetic bacteria strongly support endosymbiotic theory. Apart from this, the presence of their own DNA that too circular just like prokaryotic microbes and 70 S ribosomes also support this theory. Also just like prokaryotic cells, before cell division mitochondria and chloroplasts undergo replication by means of a process known as binary fission.

3 0
3 years ago
Why would scientists conduct investigations on a newly discovered alternative fuel?
klio [65]

Answer:

why would scientists conduct investigations on a newly discovered alternative fuel?

to confirm that the alternative fuel is cleaner than fuels currently used​

Explanation:

As an alternative fuel, it must be validated whether it is better than the one currently in use

7 0
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