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kotegsom [21]
2 years ago
13

What occurred in the red bacterial cell in generation 2? (click on the one correct answer.)

Biology
1 answer:
Talja [164]2 years ago
6 0

The mutation occurs in the red bacterial cell in generation 2.

An alteration in the nucleic acid sequence of an organism's, virus's, or extrachromosomal DNA is referred to as a mutation. DNA or RNA can be found in the viral genome.

Environmental elements known as mutagens are what trigger mutations. Radiation, chemicals, and pathogenic agents are examples of mutagens. Mutations may occur naturally spontaneously.

Red blood cells are impacted by thalassemia, a genetic blood condition. A change in the cell that produces hemoglobin is the cause of thalassemia. Anemia is brought on by the mutation's disruption of hemoglobin formation, which results in low hemoglobin levels and a rapid loss of red blood cells.

To know more about mutation refer to:   brainly.com/question/17106056

#SPJ1

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A mechanism by which cancer cells can evade an immune response involves an alteration in the amount of MIC on the cell surface b
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Answer:

cleavage of MIC at the cell surface by a protease

Explanation:

The immune system refers to a complex network of cells and proteins that function to eliminate potentially tumorigenic cells on a daily basis. However, cancer cells show mechanisms in order to escape immune responses. MHC class I chain-related proteins A and B (MICA and MICB) are expressed in normal and tumorigenic cells where they act as ligands of the NKG2D receptor. The expression level of these proteins (MICA and MICB) is finely regulated by the activity of metalloproteinases (i.e., by protease-mediated cleavage), but this mechanism is altered in cancer cells. Recently, drug therapies that stimulate NKG2D mediated tumor destruction by reducing the cleavage of MICA and MICB from the surface of cancer cells have been developed.

8 0
3 years ago
Based on the information in the passage, explain why there are two different beak sizes on the island. What will most likely hap
mixas84 [53]

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7 0
3 years ago
2.Why do introduced species often disrupt an ecosystem?
Bad White [126]

Introduced species

Ecosystems are complex systems that are in dynamic equilibrium with constant interactions between their parts.

When a new species is introduced, new interactions will occur, generating new components of the system and also competing with the previous interactions between the species already present in the system, which normally ends up generating an imbalance in the ecosystem mentioned, i.e a disruption in it.

5 0
1 year ago
1. Why do you think the speaker tells their friend that they are angry with them but does not
larisa86 [58]

Answer:

They are closer with their friend than their enemy, and just write about your personal experience and how you behaved.

Explanation:

6 0
3 years ago
The nucleus contains which are the hereditary material of the cell.
Kaylis [27]

Answer:

b chromosomes

Explanation:

It's in the middle of the cell, and the nucleus contains all of the cell's chromosomes, which encode the genetic material.

8 0
3 years ago
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