The most abundant genes in prokaryotic genomes are
A) those involved in metabolism.
B) those involved in translation.
C) those involved in transport.
D) those involved in DNA replication.
Answer: A
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You isolate a new bacterium from soil with a revolutionary new growth technique. You are interested in characterizing the genome of this organism using restriction enzymes. The first enzyme chosen should be one that will cut the genome infrequently, allowing you to do more detailed fine mapping at a later date. Of the following choices, the best enzyme to choose for your task would be (NOTE: P =
a purine base; Y = a pyrimidine base) A) HpaI (CCGG). B) TaqI (TCGA). C) EcoRI (GAATTC). D) HindII (GTYPAC). E) NotI (GCGGCCGC).
The suffix -itis means ________.
A. blood B. a disease or morbid process C. pertaining to D. tumor E. an inflammation
In the process of fertilization in conifers, the pollen tube grows to which structure?
a. archegonium b. antheridium c. microspores d. pollen grains e. microsporangia
How does the respiratory center control the diaphragm?
A. via the intercostal nerves B. via the phrenic nerve C. via the blood carbon dioxide level D. via the blood pH E. via the vagus nerve