Answer:
a. F. W. Went isolated the chemical substance responsible for
communicating stimulus information- TRUE
b. The chemical substance responsible for communicating stimulus
information is a hormone- TRUE
c.Charles and Francis Darwin confirmed that the tip of a plant stem is
responsible for initiating the phototropic response- TRUE
d.When the tip of a stem is covered with a transparent cap, the stem bends
toward the light source anyway- TRUE
e. When the base of a stem is covered with an opaque shield, the stem
bends away from the light source- FALSE
f. An example of another control mechanism is that some plants require
more than 12 hours of darkness to produce flowers- TRUE
Because the interior of the lipid bilayer contains the nonpolar _____molecules__________, only small nonpolar substances are able to diffuse directly across the cell membrane
Answer:
B. Codon
Explanation:
Codon- a sequence of three nucleotides which together form a unit of genetic code in a DNA or RNA molecule
The ribosomes that is synthesizing the protein is directly attached to the ER membrane
