What is the function of the cebtrosome and centioles in the cell during mitosis

1 answer:

3 0

Centrosomes and centrioles in the cell contract and expand the spindle fibres which are attached to chromosomes during cell division by mitosis.

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List several processes in cell metabolism where diffusion is important

fiasKO [112]

One process wherein diffusion is important is the concentration of salt within a cell. When the salt levels are too high within the cell, salt molecules are moving via diffusion to a region of lower concentration. Another process is the movement of carbon dioxide in plant cells, where CO2 moves from regions of high concentration to regions of low concentration.

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When looking at a stalk of celery that has been sitting in red food colored water. Sarah notices the celery has red lines runnin

Sladkaya [172]

Answer:

It is The Xylem Helping The Food Coloring.

Explanation:

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The qrs complex is associated with ________. the qrs complex is associated with ________. depolarization of the ventricular sept

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In a typical ECG (Electrocardiogram) the first wave obtained is P wave; The P wave represents the depolarization of the atria. After this, the QRS complex is formed. The QRS wave represents the depolarization of the ventricles. During the depolarization phase, the ventricles contracts and pushes the blood into the atria. Hence, the correct answer is depolarization of the ventricles.

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4 years ago

Research this week will be done over the Respiratory system

Hitman42 [59]

Answer:

pharynx, larynx, trachea, bronchi and lungs

The respiratory system is what allows us to breathe and exchange carbon dioxide for oxygen. The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. ... The lungs work with the circulatory system to pump oxygen-rich blood to all cells in the body.

The respiratory system does not work alone in transporting oxygen through the body. The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.

Explanation:

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3 years ago

A scientist wants to begin making a DNA fingerprint, but she has only a very small DNA sample. What should her next step be

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For obtaining an adequate amount of DNA samples for DNA fingerprinting, polymerase chain reaction (PCR) can be used.

Polymerase chain reaction (PCR) is a technique that is used to amplify the DNA sample. The steps included in PCR are:-

1. Denaturation of the double-stranded DNA (at around 95°C)

2. Annealing of the primers to each of the single-stranded DNA templates ( at around 65°C)

3. Extension or elongation of the primers by considering every single-stranded DNA as a template. This elongation is carried out by Taq polymerase (at around 72°C).

With each cycle of PCR, the DNA sample is increased by 2ⁿ. Here, 'n' represents the number of PCR cycles.

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Learn more about polymerase chain reaction here: -

brainly.com/question/11442887

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