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Lyrx [107]
3 years ago
8

What must happen in the original cell so that each of the daughter cells has a complete set of chromosomes?

Biology
1 answer:
oee [108]3 years ago
4 0

Answer:

<h3><em>Mitosis</em><em> </em>must happen in the original cell so that each of the daughter cells has a complete set of chromosomes. </h3>

Bonus - Mitosis is used to produce daughter cells which are identical to the parent cells.

Hope it helps!

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1). Mammals carry hemoglobin and oxygen in their red blood cells to help the blood circulate in the different parts of their bod
Sonbull [250]

Answer:

In mammals, oxygen is carried through the red blood cells called hemoglobin. The reason is that the oxygen is very important for the cell for releasing energy. This energy is used by the cell in different processes.

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4 0
3 years ago
Chloride ions, Cl-, follow actively transported Na+ ions from the nephrons into the blood. Would you not expect the Cl- concentr
DerKrebs [107]

Answer:

Bicarbonate ion, HCO3- (which has a similar charge to chloride ions) also follow sodium ions into the blood. Also, potassium ions, K+ are transported into the nephron so some chloride ions and bicarbonate ions remains in the nephron to balance the charge.

Explanation:

Sodium is the primary positively charged electrolyte in extracellular fluid. Most of the solute reabsorbed in the proximal tubule is in the form of sodium bicarbonate and sodium chloride. Water is also reabsorbed in order to balance osmotic pressure

When sodium ions are reabsorbed into the blood, few of the substances that are transported with Na+ on the membrane facing the lumen of the tubules include Cl- ions, Ca2+ ions, amino acids, and glucose. Sodium is actively exchanged for K+ using ATP on the basal membrane.

In the distal convoluted tubule, K+ and H+ ions are selectively secreted into the filtrate, while Na+, Cl-, and HCO3- ions are reabsorbed to maintain pH and electrolyte balance in the blood.

Some chloride ions remains in the nephron to balance the charge of the secreted K+ ions and also due to the bicarbonate ions that are removed.

5 0
3 years ago
Which of the following occurs as a result of ribosomal translocation? a) The tRNA that was in the A site moves into the E site.
artcher [175]

Hello!

The answer to your question is D.

The tRNA that was in the A site moves into the P site.

~Hope that answers your question!~

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