Dendritic cells present antigens on their surface in the context of ____
a. class I major histocompatibility complex (MHC) proteins
b. class II MHC proteins
c. antibodies
d. B cell receptors
e. T cell receptors
ANSWER: b
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Species with an equilibrium, or K-selected, life history strategy
A. have only a few offspring. B. are short-lived. C. reproduce at an early age. D. give very little care to their offspring. E. have a large number of offspring.
Regarding the structure of DNA, the covalently arranged combination of a deoxyribose and a nitrogenous base would be called a(n) ________
A) ribonucleotide B) monophospate nucleoside C) nucleotide D) oligonucleotide E) nucleoside
Trace the path of a sound wave beginning from its entry into the ear to its transmission to the brain. What will be an ideal response?
Which of the following pairs of organisms is probably monophyletic?
a. Archaeans, bacteria b. Plants, fungi c. Giant sequoia trees, magnolia trees d. Dolphins, sharks e. Large cactus finch, vampire finch