The rapid appearance of HIV-1 strains that are resistant to AIDS drugs is due in part to which of the following property of its reverse transcriptase?

DNA Structure and Replication
The rapid appearance of HIV-1 strains that are resistant to AIDS drugs is due in part to which of the following property of its reverse transcriptase?

The RNase H domain of p66 causes error prone synthesis

It has low affinity for the correct dNTP's

AZT (zidovudine) is too expensive to be taken in effective doses

It lacks a proofreading exonuclease

The RNase H domain of p66 causes error prone synthesis

It has low affinity for the correct dNTP's

AZT (zidovudine) is too expensive to be taken in effective doses

It lacks a proofreading exonuclease

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DNA Structure and Replication
E.coli DNA polymerases II and III lack

5' → 3' endonuclease activity

partially 5' → 3' exonuclease activity

partially 5' → 3' endonuclease activity

5' → 3' exonuclease activity

5' → 3' endonuclease activity

partially 5' → 3' exonuclease activity

partially 5' → 3' endonuclease activity

5' → 3' exonuclease activity

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DNA Structure and Replication
TM refers to the temperature at which

membranes are 50% fluid

All of these

50% of a DNA molecule is denatured

50% of a protein molecules are denatured

membranes are 50% fluid

All of these

50% of a DNA molecule is denatured

50% of a protein molecules are denatured

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DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

both (a) and (b)

primase

reverse transcriptase

RNA polymerase

both (a) and (b)

primase

reverse transcriptase

RNA polymerase

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DNA Structure and Replication
In DNA, there are

four bases known as adenine, guanine, thymine and cytosine

only two bases known as adenine and cytosine

five bases known as adenine, guanine, thymine, tryptophan and cytosine

three bases known as adenine, guanine and cytosine

four bases known as adenine, guanine, thymine and cytosine

only two bases known as adenine and cytosine

five bases known as adenine, guanine, thymine, tryptophan and cytosine

three bases known as adenine, guanine and cytosine

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

RNA ligase

DNA ligase

polymerase

gyrase

RNA ligase

DNA ligase

polymerase

gyrase

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DNA Structure and Replication

DNA Structure and Replication The rapid appearance of HIV-1 strains that are resistant to AIDS drugs is due in part to which of the following property of its reverse transcriptase?

DNA Structure and Replication E.coli DNA polymerases II and III lack

DNA Structure and Replication TM refers to the temperature at which

DNA Structure and Replication Replication in E. coli is initiated by the generation of short RNA primers using

DNA Structure and Replication In DNA, there are

DNA Structure and Replication The nicks or gaps between Okazaki fragments are eventually sealed by

DNA Structure and Replication
The rapid appearance of HIV-1 strains that are resistant to AIDS drugs is due in part to which of the following property of its reverse transcriptase?

DNA Structure and Replication
E.coli DNA polymerases II and III lack

DNA Structure and Replication
TM refers to the temperature at which

DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

DNA Structure and Replication
In DNA, there are

DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by