The F factor contains genes that encode____
a. lipids of the cytoplasmic bridge
b. receptor proteins on the recipient cell
c. bacteriophages
d. DNA polymerase for plasmid DNA replication
e. proteins of the sex pilus
ANSWER: e
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Precancerous cervical cells can be detected by ____
a. routine Pap smears b. self-examination c. a series of blood tests d. x-ray examinations e. ultra-sound
A ________ is a complex of RNA and protein that serves to remove introns from pre-mRNA
Fill in the blank with correct word.
At the end of an experiment, a conclusion is formed based on:
A. the feelings or beliefs of the scientist conducting the experiment B. the needs of the group funding the experiment C. the general observations during the experiment D. the statistical analysis of the experiment
Coliform bacteria are (Choose all that apply)
> Gram-negative rods > Facultative anaerobes > Non-endospore forming > Lactose fermentors > Produce acid and gas in 48h at 35C > Gram-negative cocci > Obligate anaerobes > Endospore forming