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Alenkinab [10]
3 years ago
9

How do mutations increase the genetic variation within a species?

Biology
1 answer:
inn [45]3 years ago
8 0
Mutations increase genetic variation because if everyone has a mutation the wiill all be different
example Mom has blue eyes dad has brown eyes the genetic varieation with the child is brown eyes because its dominent everyone is different because of mutations+genetic variation
It also has to do with DNA coding for different protteins to give you different genes DNA
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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
Mitochondria and chloroplasts are similar because they are both...................in eukaryotic cells.
Tomtit [17]

Answer:

present

Explanation:

Otherwise the only similarity is that they are organelles, and can generate themselves.

6 0
3 years ago
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White blood cells prevent the loss of blood by causing clotting. true or false.
Alla [95]
This is falsered blood cells= carry oxygenwhite blood cells= help fight infection
platelets= prevent the loss of blood
8 0
3 years ago
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Which of the following structures are present in plant cells but absent in animal cells ?
Paladinen [302]

Answer:

Plant cells have a large central vacuole, a cell wall, and chloroplasts while animal cells do not.

Hope this helps!

4 0
3 years ago
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- Which is an advantage to biomass energy? *
KATRIN_1 [288]

Answer:

D. There will always be waste produced that can be used for energy.

Explanation:

Biomass energy is a renewable energy source because its does not have limited supply. We can always grow trees and crops, and waste will always exist.

7 0
3 years ago
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