An -NH2 group is a(n) ____ group
a. carboxyl
b. hydroxyl
c. amine
d. methyl
e. carbonyl
ANSWER: c
You might also like to view...
Walking through the botanical garden with a friend, you spy a rare and beautiful variety of Hosta. "Oh I would love to have one of those!" you exclaim. "But they cost a king's ransom." Your friend smiles, snips off a tiny piece of the shoot, and says, "I'll grow you one. I'll just take it back to lab and..."
Ranking Questions __ "wait for somatic embryos to form..." __ "grow up a callus..." __ "culture an individual plantlet for you..." __ "use enzymes to break down the cell walls..."
Which statement makes a correct comparison between the regulation of an operon and controlling the
motion of a car?
a. The removal of a repressor is like stepping on the gas pedal of a car. b. The removal of a repressor is like removing your foot from the brake pedal of a car. c. The removal of a repressor is like moving your foot from the brake pedal to the gas pedal of a car. d. The removal of a repressor is like moving your foot from the gas pedal to the brake pedal of a car. e. The removal of a repressor is like removing your left foot from the brake pedal of a car while your right foot remains on the gas pedal.
Blood pressure is lowest when ventricles are _____; this is known as _____
a. fully relaxed; systolic pressure b. contracting; diastolic pressure c. contracting; systolic pressure d. fully relaxed; diastolic pressure e. in transition; systolic pressure
Emotions and the responses to emotions are controlled by the limbic system
Indicate whether the statement is true or false