Bacterial plasmids and artificial chromosomes are used as ______ to insert foreign DNA into host cells and create recombinant genomes.
A. clones
B. vectors
C. endonucleases
D. subunits
B. vectors
Biology & Microbiology
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Which hormone stimulates Leydig cells?
a. testosterone b. FSH c. LH d. GnRH e. hCG
Biology & Microbiology
A chromosome contains the following gene order: A B C D • E F G H Which of the following rearrangements represents a paracentric inversion?
A) A B C • D E F G H B) A F G H • B C D E C) A C B D • E F G H D) A F D E • C B G H E) A B C D • H G F E
Biology & Microbiology
In E. coli, replication begins at which chromosome site?
A) The replication fork B) ter C) oriC D) TBP E) All of these
Biology & Microbiology
The ability of the eye to focus at close distances by becoming more rounded as the ciliary muscles contract is called visual _____.
Fill in the blank(s) with correct word
Biology & Microbiology