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Natasha2012 [34]
2 years ago
5

When nerve cells in the nervous system cease to divide, they are in

Biology
1 answer:
d1i1m1o1n [39]2 years ago
3 0

Answer: When nerve cells in the nervous system cease to divide, they are in G2 phase.

Explanation: does this help you. let me know if it does

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Polygenic characteristics are disproportionately affected by natural selection.
rodikova [14]

Answer:

The natural selection on polygenic traits affects selection.

Explanation:

The natural selection process allows changes in frequencies of alleles in a character that is determined by single gene. The polygenic characteristics are disproportionately affected by natural selection as natural selection affect the phenotype distribution.

This occurs in three ways that are disruptive selection, stabilizing and directional selection.

6 0
3 years ago
In cell membranes with aquaporins can water move across the membrane?
stiks02 [169]

Answer: The cell membranes of a variety of different bacteria, fungi, animal and plant cells contain aquaporins through which water can flow more rapidly into and out of the cell than by diffusing through the phospholipid bilayer.

Explanation:

please always check over answers and hope this helps!!!

5 0
1 year ago
A woman who has sickle cell anemia passes this disease on to her offspring. This means that the mutation for sickle cell anemia
WITCHER [35]
The mutation will occur on the X chromosome. Males are more susceptible to sickle cell amenia because they only carry one X chromosome instead of two when compared to a set of female chromosomes. If a female only has the mutation on one chromosome the disease will not appear. However, when a male recieves the mutation on the X chromosome, the disease would appear, because they only have one X chromosome.
3 0
3 years ago
The various parts of the endomembrane system serve different functions in the cell. In this activity, you will identify the role
liberstina [14]

Answer:

Smooth ER:

Lipid synthesis, Calcium ion storage, Poison detoxification

Rough ER:

Protein synthesis

Golgi apparatus:

Protein modification and storage, Cisternal maturation

Lysosomes:

Autophagy, Macromolecule digestion

Explanation:

The endomembrane system is important for the production, processing, and transport of proteins and lipids in the cell.

The smooth ER:

It aids basically in lipid production and processing.

The smooth endoplasmic reticulum, or smooth ER, is an organelle that is observed in animal cells and plant cells. Itd basic function is the production of cellular products such as hormones and lipids.

The rough ER :

It is the spot of secretory protein production.

Rough endoplasmic reticulum is observed in eukaryotic cells. Its basic aid is to synthesize proteins. It consists of cisternae, tubules and vesicles. The cisternae comprise of flattened membrane disks, that play a major role in protein modification.

Golgi apparatus:

It helps in further processing of the proteins produces for the rough ER and then in sending them off in vesicles to the plasma membrane.

It's often termed the cell's post office. It modifies, sorts and arrange proteins for secretion. It aids lipid transportation around the cell, and the production of lysosomes.

Lysosomes:

Its enzymes are synthesized and formed in the rough ER and Golgi apparatus. It aid hydrolysis of macromolecules e.g. phagocytosis and autophagy.

It is involved in digestion and waste removal by feeding on worn-out organelles, food molecules, and engulfed viruses or bacteria.

8 0
3 years ago
12. Which of these mass movement events is considered a slide?
Lera25 [3.4K]

Answer:

D. Rock avalanche

Explanation:

Slides : Are masses of material that move across a clearly defined slide plane as a coherent body.

As a result the velocity is uniform throughout the sliding mass.

5 0
3 years ago
Read 2 more answers
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