Do scorpions exhibit a maximum rate of respiration?
a. Yes
b. No
a
Biology & Microbiology
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What enzymes hydrolyze proteins, releasing amino acids?
A. Tranaminases B. Decarboxylases C. Deaminases D. Proteases
Biology & Microbiology
Which of the following is not a base used in DNA replication?
A) thymine B) guanine C) uracil D) adenine E) cytosine
Biology & Microbiology
A blastomere is a ________ and a blastocyst is ________.
A) fetal organ produced by cleavage; an embryonic organ produced by cleavage B) fetal membrane; an embryonic membrane C) cell produced by cleavage; a hollow ball of cells D) solid ball of cells; three-layered embryo
Biology & Microbiology
The "bead" that allows the HIV particle to attach to and enter cells is
a. made of protein. b. hidden within the virus particle. c. part of the matrix of the virus. d. made of RNA. e. designed to protect the virus's RNA.
Biology & Microbiology