As cytokinins are primarily produced in roots, what route would they travel to influence lateral shoot formation in a recently topped tree?

A) symplastic
B) trachieds/vessels
C) phloem
D) apoplastic


D

Biology & Microbiology

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In liver cells, the inner mitochondrial membranes are about five times the area of the outer mitochondrial membranes. What purpose must this serve?

A) It allows for an increased rate of glycolysis. B) It allows for an increased rate of the citric acid cycle. C) It increases the surface for oxidative phosphorylation. D) It increases the surface for substrate-level phosphorylation. E) It allows the liver cell to have more peroxisomes.

Biology & Microbiology

The reactions of photosynthesis may be summarized as

A. 6CO + 6H2O ? C6H12O6 + 6O2 B. 12CO2 + 6H2O ? C12H12O6 + 6H2O C. 6CO + 6H2O ? C6H12O6 + 6H2O D. 6CO2 + 6H2O ? C6H12O6 + 6O2

Biology & Microbiology

The letter "B" from the accompanying figure represents ____

a. complement b. MHC markers with antigen expressed to the surface of a cell c. lysosome with MHC molecule d. plasma membranes fusing e. MHC recycling

Biology & Microbiology

In what stage of translation does the peptide bond join two amino acids?

a. initiation b. transcription c. elongation d. reparation e. termination

Biology & Microbiology