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Mnenie [13.5K]
3 years ago
14

Why are external barriers important to our immune system?

Biology
1 answer:
solniwko [45]3 years ago
7 0

Answer:

Maybe it was because external barriers can attack to our body and it can hurt us

Explanation:

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Read this paragraph and graphic from an informational text called “Overfishing the Oceans.” Then answer the question.
Maslowich

Answer:

The answer is A.

Explanation:

A and C have parts that are not directly said by the atricle. D mentions that it says double, which is not directly related to it too. A is something we can determine is true based on the relationship we know between the ocean and fish.

7 0
2 years ago
What is the percentage of thymine in human ?
grin007 [14]

Answer:

29.4% or rounded 29%

Explanation:

Thymine is a compound which is one of the four constituent bases of nucleic acids. A pyrimidine derivative, it is paired with adenine in double-stranded DNA.

Hope this helps ya!!

7 0
3 years ago
Read 2 more answers
Bacteria in the Shigella genus cause the disease shigellosis. The symptoms of shigellosis include diarrhea, fever, and intestina
FromTheMoon [43]

Answer:You can get infected by swallowing Shigella. Some ways Shigella can get into your mouth are:

Getting Shigella on your hands and touching your mouth. Shigella can get on your hands by:

Touching surfaces, such as toys, bathroom fixtures, changing tables, and diaper pails contaminated with Shigella bacteria from someone with an infection.

Changing the diaper of a child with a Shigella infection.

Taking care of a person with an infection, including cleaning up after the person uses the toilet.

Eating food prepared by someone with a Shigella infection.

Swallowing recreational water, such as lake water or improperly treated swimming pool water.

Swallowing contaminated drinking water, such as water from a well that’s been contaminated with sewage or flood water.

Exposure to stool (poop) during sexual contact with someone with a Shigella infection or who has recently recovered from a Shigella infection.

Explanation:

8 0
3 years ago
Two potential functions that eukaryotic cells perform to regulate transcription are
tester [92]
Two potential functions that eukaryotic cells perform to regulate transcription are DNA methylation: a process of epigenetics that participates in the regulation of the gene expression in two ways, directly impeding the union of the transcription factors, and indirectly propitiating the closed structure of the chromatin, and Histone acetylation, enzymes that acetylate conserved lysine residues in histones by transferring an acetyl group from an acetyl-CoA molecule, to form ε-N-acetyl lysine, is extensively associated with an open chromatin structure and therefore accessible to transcription factors, which increases gene expression.
7 0
3 years ago
Read 2 more answers
Glycogenesis:a. involves transfer of glucose from CDP‑ glucose to a non reducing end of a glycogen chain. b. involves the action
m_a_m_a [10]

Answer:

The correct answer is option d. "begins the production of a new glycogen molecule with the reactions of glycogenin".

Explanation:

As the name implies, glycogenesis is the process at which glycogen is synthesized. This process takes place by binding and addition of multiple glucose molecules. Glycogenesis begins the production of a new glycogen molecule with the reactions of glycogenin, an enzyme that acts as a primer and catalyzes the polymerization of the first few glucose molecules.

5 0
3 years ago
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