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Fynjy0 [20]
3 years ago
7

What process produces many variations in hair color?

Biology
1 answer:
Sergio039 [100]3 years ago
7 0

Answer:

A. Independent Assortment

Explanation:

Hair color is a phenotype.

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monitta

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Explanation:

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4 0
3 years ago
Read 2 more answers
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
Active transport systems are a form of cell transport that requires energy from molecules of ____________________.ANADPBNADCsuga
posledela
Why did you write the last part I don’t get it I’m
3 0
2 years ago
Earth’s crust is ______ under the oceans than it is on land.
Alchen [17]
I would say that it is B. thinner. 
5 0
3 years ago
Which of the following terms is used to describe the steady breeze of particles flowing out from the sun?
STALIN [3.7K]
<h2>Answer:</h2>

The term is <u>solar wind</u>.

<h2>Explanation:</h2>

The breezy particle which is produced from the corona region of the sun is called as Solar wind.  It is made up of electrons, protons and alpha particles with kinetic energy. Implanted inside the sunlight based breeze plasma is the interplanetary attractive field.  

The sun oriented breeze shifts in thickness, temperature and speed after some time as the sunlight changes. Its particles can get away from the Sun's gravity on account of their high vitality coming about because of the high temperature of the crown, which is caused due to source of origin called corona.

8 0
3 years ago
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