What is the correlation coefficient between mother and daughter height and would it be considered significant?
A. Correlation coefficcient: 0.49Not significant
B. Correlation coefficcient: 0.31Not significant
C.
Correlation coefficcient: 0.49
Significant
D.
Correlation coefficcient: 0.31
Significant
A
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A neuron that engages in spatial summation acquires a mutation that causes dendrite overgrowth and promiscuous synapsing. What is the likely outcome?
A. abnormally low frequency of action potentials B. summation will not occur C. abnormally high frequency of action potentials D. action potentials with stronger depolarization Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content/Choose Answer · What do you already know about summation? What other information is related to the question? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The advantage of sexual reproduction over asexual reproduction is
a. that sexual reproduction requires an interaction between two individuals. b. that there is a mixing of genetic information into a new combination in the next generation. c. that it ensures a greater number of progeny. d. that it keeps the number of chromosomes constant more effectively. e. that it allows for the production and use of gametes.
Enzymes work by ______ the activation energy required for a reaction to occur.
a. raising b. lowering c. keeping constant d. Enzymes don’t affect the activation energy of a reaction.
A directional adjustment of growth in response to environmental stimuli is called ____
a. circadian rhythm b. vernalization c. photoperiodism d. statolith e. tropism