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ivann1987 [24]
4 years ago
7

Describe the natural history of hepatitis C virus infection, with reference to each of the stages in the natural history timelin

e.
Biology
1 answer:
nalin [4]4 years ago
5 0

Answer:

The answer is described below

Explanation:

Hepatitis C infection results from exposure to blood and other organic fluids infected with the hepatitis C virus.  After infection, <u>acute hepatitis</u> occurs. Some of the patients present jaundice (yellowing of skin and eyes) although many do not and may not notice they're infected. Spontaneous resolution may occur in less than half of the patiens in this stage within six months after infection. Those who do not, progress on to develop chronic hepatitis. About one third or less of these patients will progress to cirrhosis that takes about 25 to 30 years to develop. Chronic hepatitis may also cause liver cancer and other diseases and may be diagnosed by the presence of HCV RNA after six months of infection.

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Normally, how many chromosomes are required to determine the outward expression of a trait?a homologous paironly oneany twotwo p
jeka94

Answer:

A homologous pair

Explanation:

In determining the expression trait of humans, this is based on the homologous chromosomes. This in turn comprised of alleles otherwise known as homologous alleles. The homologous loci are thereby located in these alleles which served as the formation of traits when combined.

Hence, normally, A HOMOLOGOUS PAIR is required to determine the outward expression of a trait?

7 0
3 years ago
You're on the pilot episode of a new game show called "The Transport Factor." The host hands you three different amino acids, fo
sp2606 [1]

Answer:

Nine

Explanation:

These are called carrier proteins, and they have what it is called: solute-binding sites, that when saturated, they are considered "full".

Each different amino acid needs a separate carrier protein to move it across the plasma membrane, so that's 3, then the four different sugars need separate carriers as well, we add 4 more then, we have 7 so far, finally the 2 different ions use 2 more, plus the other 7, totals 9.

5 0
3 years ago
A research group has discovered an organism with cells that contain a previously undescribed organelle. They do some tests on th
Vlad [161]

Answer:

The suitable option will be - B

Citric acid cycle

Explanation:

The results were -

Glucose: None

CO2: Increase

O2: None

ATP: Increase

NADH: Increase

  • We know that the Citric acid cycle is also known as the TCA cycle (tricarboxylic acid cycle) or the Krebs cycle. This cycle occurs in Mitochondria in case of eukaryotes. In this cycle acetyl-CoA is oxidized which comes from carbohydrates, proteins and fats and energy is released in the form of ATP.  
  • water is also used in this process. NAD+ gets reduced to NADPH. In this system carbon dioxide is produced as a waste byproduct. ATP is produced as the main product. ATP is also used as a source of energy.

6 0
3 years ago
Why is the air colder farther from the earth?
Mandarinka [93]

Answer:

Why is the air colder farther from the earth,you ask ?its easy

Explanation:

A pretty basic answer is that the farther away you get from the earth, the thinner and thinner  the atmosphere gets. The total heat content of a system is directly related to the amount of matter present, so it gets cooler and cooler at higher elevations.

5 0
3 years ago
1.
vazorg [7]
Genetic engineering because the genes of the plants were modified
5 0
3 years ago
Read 2 more answers
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