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morpeh [17]
2 years ago
8

Before chromosomes are pulled to opposite ends of the cell to split, where do the chromosomes line up?

Biology
1 answer:
Rina8888 [55]2 years ago
4 0
Chromosomes have lined up on the metaphase plate. During anaphase (b), the sister chromatids are pulled apart and move toward opposite poles of the cell.
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Edxcel alevel biology past papers: some of the blood plasma of individuals who have survived infection wtih Ebola can be collect
beks73 [17]

Answer:

This was the only treatment options adopted for the Ebola in  1995 in the Democratic Republic of Congo. The assumption was that immune response is generated by the virus in the WBC of the infected individuals. These response produce antibodies.

A total if 8 patients were transfused with these blood contained antibodies, but one of these died, the remaining 7 patients survived.

The antibodies were believed to  have  multiplied(produced b-cells) to neutralize the Ebola virus(antigens)  and to ensure the survival of the patients

Explanation:

6 0
3 years ago
Select the correct answer.
NemiM [27]

Answer:

i dont know exactly what characteristic it would be

Explanation:

the variation of the beak shape was because the islands had diffrences to them. so on some of the islands the nuts would be bigger or smaller. The birds had to adapt to this so their beaks changed when you looked at the diffrent birds on the diffrent islands. The finches would have big beaks on one island because the nuts were bigger and they need food, but on another island the nuts were smaller so the finches on that island would have a smaller and more narrow beak. so bassiaclly the diffrences were because the birds adapted over time so they could use their beaks to properly eat.

6 0
3 years ago
Human beings have about 100,000 genes, and each has a single specific function. True or False
melomori [17]
I would go with false, because not only 100,000 genes, there are lots to those. and there are not even like 100,000 genes, that is not really possible!!
hope that this helps you! =)
5 0
4 years ago
Read 2 more answers
Which is not the defining characteristic of an acid?
Diano4ka-milaya [45]

Taste bitter  is not the defining characteristic of an acid.

<h3>What is the definition of acids?</h3>

Acids are a type of substance that is very present in our daily lives. For Chemistry, they are substances that release H+ ions in an aqueous solution, decreasing its pH.

In this case, is a characteristic of an acid the turn litmus red, reacts with bases to form salts and react with metals to form H2 gas.

See more about acids at brainly.com/question/14072179

#SPJ1

4 0
2 years ago
You perform an experiment in which chromatin is isolated from sea urchin sperm cells and briefly digested with micrococcal nucle
irga5000 [103]

Answer:

a) DNA fragments associated with histone proteins are all multiple in length (i.e., 260 bp, 520 bp, 780 bp, etc), thereby suggesting the presence of a pattern of organization in the chromatin  

b) it suggests that each unit of organization (ie, each nucleosome) consists of 260 bp associated with chromatin proteins

Explanation:

The nucleosome is considered as the basic unit of chromatin. A nucleosome consists of approximately two turns of DNA wrapped around a core of eight histone proteins (i.e., a histone octamer). The histone octamer consists of two copies of each of the histones H2A, H2B, H3, and H4. Moreover, the nucleosomes are connected together by linker DNA sequences which vary between 10 and 100 bp in length.

8 0
3 years ago
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