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ratelena [41]
2 years ago
8

How do retroviruses such as hiv differ from other viruses?

Biology
1 answer:
natka813 [3]2 years ago
4 0
They contain DNA that is used as a template to make RNA. They can reproduce only inside living cells. Answer- They contain the enzyme reverse transcriptase. ;)
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Aleks04 [339]
Since the other answer got deleted, i'll just answer it for you.

a sinoatrial node is the main pacemaker that begins each heartbeat located in the junctions of superior vena cava and the right atrium. It signals from the node that spread through the atria and determines the heart rates.
5 0
3 years ago
An individual with this karyotype would be described as A) an abnormal male with nondisjunction. B) a normal male with the expec
kaheart [24]
<h2>Answer:</h2>

The correct answer is option A which is an abnormal male with nondisjunction.

<h3>Explanation:</h3>

The karytope is the complete picture of chromosomes present in a cell of an individual.

It is used to study the chromosome number and abnormalities related with chromosome numbers.

Chromosomal nondisjunction is the consequence when the homologous chromosomes are not completely separated from each other during meiosis.

While chromosomal translocation is the crossing over of genetic material between two chromosomes.

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6 0
3 years ago
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marin [14]
They are living organisms. Not a very good question is there more to it
3 0
3 years ago
What’s the difference between starch and glycogen
MakcuM [25]
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8 0
3 years ago
The domain that includes organisms with true nuclei and membrane-bound organelles is called *
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Eukarya. Eukaryotes are the only organisms that have true nuclei and membrane-bound organelles, though some bacteria have a pseudo-nuclei.
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