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Bumek [7]
3 years ago
8

Chromosomes are attached to the spindle fibers during _____.

Biology
2 answers:
arlik [135]3 years ago
5 0
<span>Chromosomes are attached to the spindle fibers during metaphase. The spindle fibers are structures important for equal division of chromosomes during cell division. They form in the metaphase when homologous pairs of chromosomes are lined up along the centre of the cell. At this phase, chromosomes are attached to the spindle fibers. </span>
djverab [1.8K]3 years ago
3 0

Answer:

Metaphase

Explanation:

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One method for separating polypeptides makes use of their different solubilities. The solubility of large polypeptides in water
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Answer:

The solubility of any substance in water depends on its polarity. The polar molecule dissolves more easily in the water than the non polar molecule. Amino acids have different polarity at different pH.

(a) (Lys-Ala)3 : The (Lys-Ala)3 contain more positive charge and highly polar the at pH 7 as compared with the  (Gly)20 that remains uncharged and has less polarity.

(b) (Glu)20 :This amino acids negatively charged at pH 7 and highly polar than the (Phe-Met)3 which is non polar or less polar and hence least soluble  in water.

(c) (Asn-Ser-His)5 is highly polar at pH 3 as compared with the (Ala-Asp-Gly)5 that contains the carboxylate groups of Asp residues that are partially neutral. The  (Asn-Ser-His)5 contains = the imidazole groups of His residues are fully polar and soluble in water.

(d) (Asn-Ser-His)5 is polar at pH 6.0 because both have polar side chains Ser but (Asn-Ser-His)5 is only partially partially protonated due to the His side chains. Thus,  (Asn-Ser-His)5 is more soluble in water.

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3 years ago
A Punnett square is used to determine the __________.
oee [108]
A. Probable outcome
7 0
3 years ago
Read 2 more answers
Factors that remain constant from experiment to experiment are the
alexandr402 [8]

Answer:

Factors that remain constant from experiment to experiment are the constants.

Explanation:

A constant in an experiment is also known as a <em>control variable</em>. It is the part of an experiment that must stay the same in order to validate the experiment. If the constant were to change, the results would be skewed and therefore false.

i.e. you want to test the rate of growth of lima bean plants in different types of lighting. You believe that a lima bean plant that grows in yellow will grow faster and stronger than a lima bean plant that grows in blue or red light.

In this experiment, the constant would be the lima bean plant. You cannot change the type of seed or else your experiment is invalidated. If you tried to use a sunflower seed in the blue lighting and a tomato seed in the red lighting, your results would be invalidated and skewed.

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3 years ago
A slower-than-normal heart rate is called __________.
MakcuM [25]

Answer:

B. bradycardia

Explanation:

Bradycardia, also known as slow heart rate, is usually slower than 60 beats per minute.

Hope this helps! :)

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3 years ago
Other than food and oxygen what do marine plants provide for other marine organisms
alina1380 [7]

They provide an important habitat!

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