The conclusion that early hominins were
bipedal is based in part on examination of
a. their S-shaped backbone.
b. the position of the foramen magnum.
c. footprints.
d. positions of the foramen magnum, S-shaped
backbone, and footprints.
e. length of the femur.
D
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The latent form of a bacteriophage genome that exists when a phage establishes lysogeny is called a ________.
A. lysogen B. viroid C. prophage D. prion
In the 1960s, evolutionary biologists identified protein polymorphisms using ____, which allowed them to infer how
much genetic variation exists within populations.
a. genome sequencing b. gel electrophoresis c. artificial selection d. polymerase chain reactions e. DNA microarrays
This type of tissue is described as having lots
of fibroblasts and collagen fibers, provides support for intestinal muscles and forms capsules around kidneys. This type of tissue is
a. dense, irregular connective. b. dense, regular connective. c. cartilage. d. stratified epithelium. e. simple squamous epithelium
Which of the following reactions is a dehydration reaction?
A. A + B + H2O ? C B. A + H2O ? B + C C. A ? B + C+ H2O D. A + B ? C + H2O