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Cloud [144]
3 years ago
7

You are looking at very lightly stained cells under the microscope, and you want to increase the contrast so that you can see th

em "better." you ________ the iris diaphragm to ________ the light.
Biology
1 answer:
lesya692 [45]3 years ago
6 0
<span>You are looking at very lightly stained cells under the microscope, and you want to increase the contrast so that you can see them "better." You ________ the iris diaphragm to ________ the light.
a.)open, increase
b.)close, increase
c.)close, dim
d.)open, dim 
your answer is : </span>c.)close, dim
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Which of the following codes describes position 12 on the long arm of chromosome 13?
mixas84 [53]

Answer:

13q12

Explanation:

In cytogenetics, the notation used follows a series of rules.  

When you read that something happened, for example a translocation, in the position 13q12, this means that it is in the chromosome 13, in the long arm (q), band 1 and sub band 2.

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Sister chromatids have the following features EXCEPT that: both parts have telomeres. they are homologs to each other. they rema
krok68 [10]

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Actually, they have all of these features

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Sister chromatids are replicated chromosomes formed during DNA replication at the Interphase stage. Since one is a replica of the other, they are the same in lenght, alleles content and every other aspect. They are joined together at the centromere.

Sister chromatids are separated from each other into each daughter cell at the Anaphase II of meiosis II and Anaphase of mitosis specifically. Hence, they remain attached to one another by their centromere until they reach Anaphase. Every chromosome contains the telomere at their end region and it plays a vital role in ensuring that neighboring chromosomes do not join.

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No lo hacemos.

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Photosynthesis and cellular respiration occur in <em>plants</em><em> </em>

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