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WARRIOR [948]
3 years ago
11

Which of the following statements is true regarding the movement of substances across cell membranes?

Biology
1 answer:
Taya2010 [7]3 years ago
3 0

Answer:

A. Ions are unable to move through the phospholipid bilayer because the nonpolar tail regions of the phospholipids are hydrophobic.

Explanation:

Answers B, C, and D are wrong.

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In familial hypercholesterolemia, individuals homozygous for the allele causing the disorder completely lack receptors on liver
JulsSmile [24]

Answer:

The correct answer is - incomplete dominance.

Explanation:

A inheritance pattern that is characterized by pattern in which the one allele is not completely dominant over the its recessive variant of the allele and due to its incomplete dominance a third phenotype expressed over, termed as the incomplete dominance.

In the case of the familial hypercholesterlemia, it is genetic disorder in which the individual lacks the receptors on liver cells remove cholesterol from the blood. This condition occur in the homozygous allele case. In normal people have receptors normal while in heterozygous condition individual have half of the total receptors.

Thus, it is the case of incomplete dominance.

5 0
4 years ago
Are physical characteristics of an organism not genetically passed down?
Tomtit [17]
That is false. Physical characteristics of an organism are genetically passed down.

—Evidence—

A characteristic that an organism can pass on to its offspring through its genes.

The set of information that controls a trait; a segment of DNA on a chromosone that codes for a specific trait.

Heredity is the biological process responsible for passing on physical traits from one generation to another.
6 0
3 years ago
How could you continue to strengthen your current relationships?
SashulF [63]
JUST be simple and know each other to do this ...
6 0
4 years ago
A population of deer includes deer with white spots and deer with brown spots. A forest fire kills half the deer with white spot
Kaylis [27]
This should be an example of genetic drift.

The brown spotted deer would spread their genes more than the white spotted ones which would eventually lead to them completely overpowering genetically the white deer in future generations.
7 0
3 years ago
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What is the name of the topic that we are covering?
Thepotemich [5.8K]
Gonna need a bit more information then that if you want an answer.
8 0
3 years ago
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