The ________ is the substrate concentration needed for an enzyme to achieve half maximal velocity.
What will be an ideal response?
Michaelis constant (Km)
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The function of the vestibular system of humans is:
A. to detect gravity B. in hearing C. to sense angular rotation of the head D. to sense the position of the appendages
Fever helps the body fight infection in which of the following ways?
a. Increased body temperature decreases phagocytosis. b. Fever causes the creation of lysosomes. c. Fever inhibits the growth of some microorganisms. d. Fever reduces lymphocyte activity. e. Fever increases capillary permeability.
What is a synapomorphy?
A. A character shared by the descendants of a shared common ancestor, distinguishing them from other groups B. A character present in an ancestor, and in only one of its descendant groups C. A character present in two different, unrelated lineages D. A character present in an ancestor, but not in any of its descendants
What is the differential reproduction of genotypes, resulting from their variable fitness?
A) genetic drift B) selection C) evolution D) discrimination