Which photosynthetic unit consists of a pair of chlorophyll a molecules with an absorption peak of 700nm?
a. photolysis
b. Calvin cycle
c. photosystem I
d. antenna complex
e. photosystem II
c
Biology & Microbiology
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Amino acid sequences that are rich in lysine and protrude from the histone proteins in the nucleosome are called "tails."
A. true B. false
Biology & Microbiology
In what direction do the sugars in a peach tree move?
A) only toward the fruit B) only toward the sugar source C) only toward a sugar sink D) either toward or away from sugar sources
Biology & Microbiology
Increases output of pancreatic juice
What will be an ideal response?
Biology & Microbiology
What part of the brain allows us to recognize the emotional content of facial expressions and also helps lay down emotional memories?
A) hippocampus B) amygdala C) prefrontal cortex D) corpus callosum
Biology & Microbiology