Phototropism is a plant response controlled largely by which color of light?
A. red
B. blue
C. violet
D. green
E. None of the choices is correct
B. blue
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What is typically the first step in the scientific method?
A. Carrying out an experiment B. Making a prediction C. Making an observation D. Developing a hypothesis
Hexokinase is an enzyme that binds specifically to glucose and converts it into glucose 6-phosphate. The activity of hexokinase is suppressed by glucose 6-phosphate, which binds to hexokinase at a location that is distinct from the active site. This is an example of.
A. feedback inhibition. B. competitive inhibition. C. cofactor binding. D. allosteric activation.
Which term did Mendel use when referring to traits that disappeared in the F 1 generation?
a. recessive b. discontinuous c. reciprocal d. continuous
Which of the following is a eutherian mammal?
a. human being b. koala bear c. platypus d. Tasmanian devil