100 REAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+ .
Which of the following is the phenotypic ratio for a dihybrid cross
showing independent assortment? - ANSWER-9:3:3:1
During which stage of meiosis does homologue separation
occur? – ANSWER-anaphase 1
In the gel electrophoresis chamber, the DNA fragments migrate
toward the
__________ charged pole. - ANSWER-positively
Which of the following is the enzyme that HIV uses to synthesize
DNA on an RNA template? - ANSWER-reverse transcriptase
One type of virus that infects bacteria is called a(n) - ANSWER-
phage
A chromosome that has been broken and rejoined in a reversed
sequence has undergone which of the following mutations? -
ANSWER-Inversion
, A harmless variant or derivative of a pathogen that is used to
prevent infectious disease is called a __________. - ANSWER-
vaccine
If the DNA triplets were ATG-CGT, the mRNA codons would be
_____________. -
ANSWER-UAC-GCA
Gel electrophoresis separates DNA molecules on the basis of -
ANSWER-their lengths.
When a virus takes over the machinery of a cell, it forces the cell
to manufacture - ANSWER-more viral particles.
When one DNA molecule is copied to make two DNA Molecules,
each new DNA molecule contains: - ANSWER-50% of the parent
DNA.
Retroviruses such as HIV use __________ to convert information
stored in their RNA to information stored in DNA. - ANSWER-
reverse transcriptase
If one sticky end has the nucleotide sequence TTAA exposed, the
piece of DNA