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dedylja [7]
3 years ago
9

A virus's ability to infect an animal cell depends primarily upon the

Biology
1 answer:
Lisa [10]3 years ago
3 0
A virus's ability to infect an animal cell depends primarily upon the "<span>presence of receptor sites on the cell membrane"

Hope this helps!</span>
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In a two-factor cross, genes that are close together on the same chromosome follow mendel's law of independent assortment.
torisob [31]

False, it violates Mendel's law of independent assortment.

About mendel's law of independent assortment:

According to Mendel's law of independent assortment, the alleles of two or more distinct genes are independently selected into gametes. In other words, an allele for one gene does not affect the allele for another gene that a gamete acquires.

During his research on the genetics of pea plants in 1865, Gregor Mendel made the first observation of an independent assortment of genes and their related phenotypes. Mendel was doing dihybrid crosses, which are unions of organisms with two different features. He found that the trait combinations in his hybrids' offspring did not always correspond to the trait combinations in the parental organisms.

Learn more about independent assortment here:

brainly.com/question/28212521

#SPJ4

4 0
2 years ago
For fertilization to occur in humans, only one sperm is needed to weaken the barrier that surrounds the egg.
photoshop1234 [79]

Answer:

False

Explanation:

Approximately 200 out of 200 million sperms ejaculated during intercourse reach the general vicinity of the egg.  They sperms must undergo capacitation during which dilute inhibitory factors fluids of the female reproductive tract weaken the membrane of the sperm head so that head of the sperm can be broken easily when it came in contact with the egg.

The first sperm to reach an egg isn’t the one to fertilize it because the egg is surrounded by a gelatinous membrane called the zona pellucida. Outside this layer, a layer of small granulosa cells also present.

Therefore, it requires numerous sperm to clear a path through these barriers before one of them can penetrate the egg and fertilize it.

8 0
4 years ago
Hello, I need help with this. Have a nice day!​
NNADVOKAT [17]

Answer:

It's drum. Guitar too, I guess.

7 0
3 years ago
What is the purpose of carbohydrates in the cell membrane
kodGreya [7K]

Scattered in the lipid bilayer are cholesterol molecules, which help to keep the membrane fluid consistent. Membrane proteins are important for transporting substances across the cell membrane. They can also function as enzymes or receptors. On the extracellular fluid side of a cell membrane, you find carbohydrates.

8 0
3 years ago
What is the biggest difference between plants and animals?
irinina [24]
Your answer will be B plants makes their own food. They also have a cell wall and animals don't.
6 0
3 years ago
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