The phenomenon known as phototropism is due to the plant hormone ________, which regulates cell growth.

A. cytokinin
B. gibberellin
C. abscisic acid
D. auxin


Answer: D

Biology & Microbiology

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Eating and digesting a candy bar for energy during a sports event is a good example of ____

a. catabolism b. anabolism c. converting kinetic energy into potential energy d. metabolism e. converting heat energy into chemical energy

Biology & Microbiology

Which organ in the human digestive system contains an oblique layer of muscle as a part of its

muscularis?

a. esophagus b. large intestine c. liver d. small intestine e. stomach

Biology & Microbiology

Based on figure 16.14, which of the following is the most likely explanation for the observed pattern of MRSA strains?

a. The methicillin resistance mutation has evolved many times through processes like conjugation b. The methicillin resistance mutation arose once and was passed through processes like binary fission c. Methicillin resistance is a recessive mutation, and only appears when two carrier bacteria mate d. The distribution of methicillin resistance is random, and is not likely caused by a single mutation e. Toxic shock syndrome is caused by methicillin resistance

Biology & Microbiology

What symptoms could result from a stroke to the right side of the frontal lobe?

A. The person could suffer the loss of motor control of the right side of their body, loss of memory, reasoning and speech. B. The person could suffer the loss of motor control of the left side of their body, loss of memory, reasoning and judgment. C. The person could suffer the loss of motor control of the left side of their body, loss of memory, and speech. D. The person could suffer the loss of motor control of the right side of their body, loss of memory, reasoning and judgment.

Biology & Microbiology