Which of the following is a strand of RNA that lacks a capsid and causes plant diseases?

a) retrovirus
b) viroid
c) prion
d) papillomavirus
e) picornavirus


Answer: b) viroid

Biology & Microbiology

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The “mono” in “monocot” refers to the presence of _______.

a. one stamen b. one fertilization c. one cotyledon d. one calyx

Biology & Microbiology

Which male organism contains two identical sex chromosomes?

a. turtles b. birds c. chimpanzees d. dogs e. lizards

Biology & Microbiology

Gaps in the myelin sheath are referred to as:

a. synapses. b. neuroglia. c. microglia. d. Schwann cells. e. Nodes of Ranvier

Biology & Microbiology

List and describe some of the major areas of biotechnology.

What will be an ideal response?

Biology & Microbiology