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Inessa05 [86]
3 years ago
7

Help for the brain thing and some points

Biology
2 answers:
omeli [17]3 years ago
8 0

Answer:

The answer is B

Explanation:

I took this test already

Fiesta28 [93]3 years ago
5 0

Answer:

I would guess the law of superposition

Explanation:

that law means that the bottom is the oldest

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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.

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3 years ago
Why are viruses like the avian flu important for vet scientists to study?
ValentinkaMS [17]

Answer:

Therefore, a global zoonotic disease surveillance system to reduce the emergence of zoonotic diseases in humans and to help detect other livestock diseases early could help to prevent the staggering economic losses associated with zoonotic disease outbreaks. So, yes I would say that they are very important to study.

Explanation:

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Why is it important for a plant to be able to both stimulate and inhibit growth?
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please help this in due by 11:59 tonight. its and assignment on dihybrid's whatever the heck that is. i will give u a lot of poi
yulyashka [42]

Answer:de que materia es tu tarea??

Explanation:

7 0
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An unsaturated fat has the maximum number of hydrogens attached to the carbon backbone.
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