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mihalych1998 [28]
2 years ago
7

4. From what structures do the spindles originate?

Biology
1 answer:
tester [92]2 years ago
7 0
The spindle fibers form out of the centrosome, also known as the microtubule-organizing center, or MTOC. Spindle fibers are formed from microtubules with many accessory proteins which help guide the process of genetic division. The spindle fibers form during cellular division near the poles of the dividing cell.
So basically i believe it originates from the centrosome.
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In living things, dehydration synthesis reactions result in the formation of A) polymers. B) monomers. C) carbon atoms. D) monos
Naily [24]
I believe the answer is A. Not 100% sure though
4 0
3 years ago
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Which describes the moth population after the industrial Revolution?
hjlf
I am not 100% sure but I believe that because of increased manufacturing, the air got very polluted and this made many trees darker, like birch. So moths are usually lighter in color so many couldn’t really hide among trees and they were eaten. After some time, many moths mutated and also became darker to blend in when they were on trees to prevent being eaten by predators. In conclusion, the population decreased.
Was this the answer you were looking for?
4 0
3 years ago
The plant below is purebred for height tall. Write the alleles of this plant. In any cross for height, what kind of Offspring wi
Tomtit [17]

Answer:

TT

All tall

Explanation:

If an organism is purebred, that means it is homozygous. That means, it contains two copies of the same allele (trait) at this particular gene. Lets denote the tall allele as T. That means the plant is TT, and purebred tall.

No matter what genotype (i.e. what 2 alleles) another plant has, the offspring will always be tall. That is because it will always inherit one T from the TT parent. Even if we cross it to a tt plant, all the offspring would be Tt. They would be heterozygous, but they would be tall.

5 0
3 years ago
Which animal is an inverterbrate? <br><br>A.trout<br>B. cat <br>C. snake<br>D. termite​
Marianna [84]

Answer:

Termites

Explanation:

A termite is classified as an insect, and insects are inverterbrate.

7 0
2 years ago
Read 2 more answers
Describe what needs to occur in order for a metamorphic rock to form.
katovenus [111]

Answer:

Any sort of prexisting rock whether sedimentary, igneous, or even metamorphic rock must change under extreme conditions like extreme heat or pressure.

Explanation:

An igneous rock is a rock that has been created via cooling of magma.

A sedimentary rock is formed from sediments, whether they be natural like seashells, or other pieces of older rocks that have worn away. usually formed under pressure.

A metamorphic rock is a rock that's changed, because it was put under extreme pressure or exposed to extreme heat.

Think of the part morphic in the word metamorphic-it literally means that it morphed or that it changed dramatically.

There are two ways for a rock to become metamorphic under <u>extreme pressure</u> or <u>extreme heat</u><u>.</u> and there are two types of metamorphic rocks, <u>contact</u> <u>metamorphism</u> and <u>regional metamorphism</u><u>.</u>

Those mean pretty much exactly what they say.

If you have any more questions, ask, but i think I covered the most important parts of the answer.

best of luck

8 0
2 years ago
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