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

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology

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).

Biology & Microbiology