Unusually shaped viruses, such as lemon-shaped and spindle-shaped, have recently been discovered in
A) Archaea.
B) Bacteria.
C) Archaea and Bacteria.
D) Eukarya.
Answer: A
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Genes that are ________ on chromosomes get separated by crossing over ________ frequently
a. farther apart / less b. farther apart / more c. none of the choices d. closer together / more
Most of the water absorbed by the plant enters through the
A. root hairs. B. root cap. C. stomata. D. lenticels. E. root apical meristem.
An x-shaped appearance of chromosomes during the process of meiosis provides evidence of
a. irradiation damage. b. crossing over. c. chromosomal aberration. d. fertilization. e. spindle fiber formation.
A movement corridor ________
A) is a path used by migratory animals when they move to their winter habitats B) is the path most commonly used by an animal within its home range C) connects otherwise isolated patches of quality habitat for a species D) is a natural component of the environment