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

Biology & Microbiology

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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

Biology & Microbiology

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.

Biology & Microbiology

Which term did Mendel use when referring to traits that disappeared in the F 1 generation?

a. recessive b. discontinuous c. reciprocal d. continuous

Biology & Microbiology

Which of the following is a eutherian mammal?

a. human being b. koala bear c. platypus d. Tasmanian devil

Biology & Microbiology