Which of the following is the most important natural auxin?
a. abscisic acid
b. gibberellic acid
c. jasmonic acid
d. indoleacetic acid
e. salicylic acid
D
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Antibodies and killer T cells recognize HIV or HIV-infected cells by binding to short pieces of viral proteins displayed on the virus or the infected host cell. These short pieces of viral proteins are called ________
A) coat proteins B) virosomes C) proteosomes D) epitopes E) episomes
Genetic recombination takes place in which of the following processes?
a. alignment of tetrads in metaphase I b. random alignment of homologous chromosomes in meiosis I c. crossing over d. anaphase I of meiosis
Which term best describes the typical movement of xylem sap from roots to shoot parts?
a. facilitated diffusion b. symport c. osmosis d. bulk flow
The midline suture marking the articulation of the two parietal bones is called the ________ suture.
Fill in the blank(s) with the appropriate word(s).