I need help with some HVI questions for my homework 1 ) True or false: New drugs help people with HIV, but HIV-positive people can still develop AIDS or get deadly infections.

2 HIV can make a person ill because:
It reduces the person's body temperature too low
It attacks the immune system and leaves the person vulnerable
It makes a person lose weight too quickly
It destroys the digestive system the minute you are infected with HIV.

1. true

2. human immunodeficiency virus) is a virus that attacks the immune ... HIV is often spread by people who don't know they have it.

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'

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