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zloy xaker [14]
3 years ago
13

Pl

Biology
1 answer:
dexar [7]3 years ago
4 0

Answer:

Retrovirus

Explanation:

Reverse transcriptase is a type of enzyme which is present in many RNA based viruses such as retrovirus that are found in humans. Reterovirus uses reverse transcriptase enzyme in order to change their single stranded DNA into double stranded DNA. The process of such type of conversion is called reverse transcription. In viruses such as reterovirus, reverse transcriptase allows the virus to insert its DNA to the host cell's DNA, which helps the virus to produce more viruses.

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The varicella virus is a common childhood virus that causes chicken pox. Shingles, a disease also
Ratling [72]

Answer:

The correct option is : It undergoes a lysogenic cycle.

Explanation:

A virus can replicate inside a host cell by two process :

  • Lytic cycle
  • Lysogenic cycle

In the lytic cycle, the viral DNA makes copies of itself and manufactures the viral machinery inside the host cell. Eventually, the host cell bursts causing the release of the viruses. In such a condition the varicella virus would cause chicken pox.

In the lysogenic cycle, the DNA of a virus get incorporated into the DNA of the host. The viral DNA might replicate when conditions become favourable and cause diseases. In such a condition, the varicella virus would cause shingles.

5 0
3 years ago
The double fortification process involves adding which nutrient(s) to salt ?
densk [106]
The double fortification process involves adding iodine and iron to salt. It is a method used to fight micronutrient deficiencies in developing countries. Iron and iodine are two of the most important micronutrients involved in cognitive function, maternal and infant survival and human productivity. This is a cost-effective method that ensures that the population receives these nutrients without having to change their eating habits. 
4 0
3 years ago
Read 2 more answers
Organic molecules derived from vitamins that act as helpers are called
AysviL [449]
Coenzymes

Coenzymes are small organic molecules that, themselves, do not function as catalysts (i.e. enzymes) but aid the latter in carrying out their functions. Enzymes are biological catalysts, which means that they allow reactions to occur at lower activation energies. In a way, enzymes help to "speed up" chemical reactions. 

Coenzymes are mostly derived from vitamins. Examples include TPP from Vitamin B1 (thiamine), FAD from Vitamin B2 (Riboflavin), and NAD+ from Niacin. 
3 0
3 years ago
Which describes an image that a plane mirror can make? The image is always real. The image can be either virtual or real. The im
Semenov [28]

Answer: The image formed by a plane mirror can only be the same size as that of the object.

Explanation :

A plane mirror consists of a highly reflecting surface. This surface reflects a large portion of light. One of the surfaces is polished with red lead oxide.

The image formed by the plane mirror is of the same size as that of the object. The distance between the object and the mirror is equal to the distance between the image and the mirror.

Out of given options, the correct one is (d) " The image can only be the same size as the object ".

8 0
2 years ago
Read 2 more answers
An ion can be removed from an aqueous solution by 1. the formation of a gas that escapes. 2. formation of a precipitate. 3. the
Lena [83]
The correct option is ALL OF THESE.
Generally, three processes can lead to the removal of ions from solutions, these include;
1. The formation of an insoluble product, which is called precipitate.
2. The formation of either a non electrolyte or a weak electrolyte and 
3. The formation of a gas product, which escapes from the solution.
7 0
3 years ago
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