A plasmid that contains separate origins of replication for two different species is called a(n) _________
A. R factor
B. expression vector
C. viral vector
D. shuttle vector
D
Biology & Microbiology
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Topoisomerase and SSB proteins are important components of the replication process in prokaryotes, but they are not found in eukaryotes
Indicate whether the statement is true or false
Biology & Microbiology
Physical exercise normally accounts for a _________ proportion of total energy expenditure.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Increases and decreases of the heart rate result from changes in the activity of the _____
A) medulla oblongata B) thalamus C) pituitary D) cerebellum
Biology & Microbiology
Which of the following is a coenzyme?
A) zinc B) vitamin B6 C) iron D) iodine
Biology & Microbiology