If one continues to increase the temperature in an enzyme-catalyzed reaction, the rate of the reaction:a
does not change.
b. increases and then levels off.
c. decreases and then levels off.
d. increases and then decreases rapidly.
e. decreases and then increases rapidly
D
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Transgenic organisms are used to aid studies of:
a. genetic diseases. d. viral diseases. b. gene expression. e. genes involved in cancer development. c. immune system function
The components of the pectoral girdle are:a
three fused hipbones. b. the clavicles and the scapula. c. the ribs and the clavicles. d. the ribs and the sternum. e. the ribs and the digits.
A Gram-negative bacillus that exhibits strong urease activity is isolated from a patient with a urinary tract infection. Which of the following is a plausible identification for this microbe?
A) E. Coli B) Proteus mirabilis C) Salmonella enterica D) Klebsiella pneumoniae
Indicate the scenario(s) that could directly result in sympatric speciation. Check all that apply.A) Two sunflower species cross to form a healthy hybrid individual with equal copies of chromosomes from each parental species.B) A new river channel divides a population of beetles into two populations.C) A large fence blocks the intermingling of two populations of a species.D) A subset of flies within a larger population colonizes a new host plant.
What will be an ideal response?