Biology How Life Works Volume 1, 2nd Edition By James Morris – Test Bank

Biology How Life Works Volume 1, 2nd Edition By
James Morris – Test Bank
Biology How Life Works Volume 1, 2nd
Edition By James Morris – Test Bank

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Biology How Life Works Volume 1, 2nd Edition By James Morris – Test
Bank


Sample Questions


1. The discovery that DNA from killed virulent bacterial can
transform live harmless bacteria into virulent forms means
that DNA:
2. A) is double stranded.
3. B) is transcribed into RNA.
4. C) codes for proteins.
5. D) contains information that controls an organism’s traits.

,Biology How Life Works Volume 1, 2nd Edition By
James Morris – Test Bank
1. If the Avery-MacLeod-McCarty transformation experiment
was carried out in an RNA world, the transforming activity
would be destroyed by:
2. A)
3. B)
4. C)
5. D)




1. Would a double-stranded DNA molecule carry more
information than a single-stranded RNA molecule of the same
length? Why?




1. A “googol” is the term given to the number 10100 (that is, the
number 1 followed by 100 zeros). Given a double-stranded
DNA molecule of length n base pairs, how big does n have to
be to yield more than a googol of possible sequences?




1. A “googol” is the term given to the number 10100 (that is, the
number 1 followed by 100 zeros). The DNA molecules in the
chromosomes in a human sperm or egg contain approximately
3 × 109 (3 billion) base pairs. How many googol’s worth of
genetic information could be encoded in human chromosomal
DNA molecules?




1. Nonvirulent bacteria can still be transformed into virulent
bacteria if it is combined with debris from heat-killed virulent

,Biology How Life Works Volume 1, 2nd Edition By
James Morris – Test Bank
bacteria that is first treated with: (Select all that apply.)
2. A)
3. B)
4. C)
5. D) no enzyme.

, Biology How Life Works Volume 1, 2nd Edition By
James Morris – Test Bank


1. When a mixture of debris from killed virulent bacteria
and live nonvirulent bacteria are injected into mice:
2. A) the mice are killed because the virulent bacteria are revived.
3. B) the mice survive because none of the living bacteria are virulent.
4. C) the mice survive for a period of a few weeks and then
die from an unrelated illness.
5. D) half the mice are killed and the other half survive.
6. E) the mice are killed because the nonvirulent bacteria are
transformed into virulent bacteria.




1. What is the central dogma?
2. A) DNA is transcribed into RNA, which is translated into protein.
3. B) RNA is transcribed into DNA, which is translated into protein.
4. C) DNA is transcribed into protein, which is translated into RNA.
5. D) RNA is transcribed into protein, which is translated into DNA.




1. What is the order of processes that support the central dogma?
2. A) DNA replication, translation, protein synthesis
3. B) DNA replication, transcription, translation
4. C) Transcription, DNA replication, translation
5. D) DNA replication, translation, transcription




1. Deoxyribonucleic acid is used for: (Select all that apply.)
2. A) transmission of information.
3. B) storage of information.
4. C) biological catalysis.
5. D) energy storage.