An inanimate object that harbors and transmits a pathogen is a ________.
A. vector
B. source
C. fomite
D. reservoir
E. carrier
Answer: C
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9. Earthworms exhibit segmentation, defined as the
(a) division of the body into a series of similar segments. (b) presence of a true coelom. (c) difference in size of the male and female. (d) presence of a “head” equipped with sensory organs.
Which species is considered most ancient?
a. Homo erectus b. Australopithecus afarensis c. Australopithecus africanus d. Homo sapiens e. Sahelanthropus tchadensis
Turner’s syndrome individuals ____
a. are missing an X chromosome b. have an extra Y chromosome c. have 47 chromosomes d. are always male e. have XXX sex chromosome variation
Manipulation of the genetic makeup of cells or whole organisms is known as
A) genetic analysis. B) DNA splicing. C) molecular biology. D) genetic engineering. E) genomic splicing.