A nucleotide of DNA contain three components: ________, ________, and ________
A) deoxyribose; a phosphate group; nitrogen-containing base
B) ribose; three phosphate groups; nitrogen-containing base
C) ribose; two phosphate groups; acid group
D) ribose; a phosphate group; nitrogen-containing base
A
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Poison ivy toxin does not harm the skin on contact, but it activates T cells specific for the toxin, including formation of a memory component
a. True b. False Indicate whether the statement is true or false
All of the following are correct about integral protein, except
A) they are part of the membrane structure. B) they contain channels for the passage of water and solutes. C) they span the width of the plasma membrane at least one time. D) they are bound to the inner surface of plasma membrane. E) they outnumber peripheral proteins.
The study of tissues is
A. cytology. B. histology. C. molecular biology. D. microbiology. E. surface anatomy.
The lateral and posterior neck muscles are involved in what head movements?
abduction adduction extension lateral flexion rotation