The plant hormone ____ is primarily responsible for the bending of a plant shoot toward light
a. auxin
b. ethylene
c. systemin
d. salicylic acid
e. brassinosteroid
ANSWER: a
Biology & Microbiology
You might also like to view...
The event called the Cambrian Explosion resulted in an abrupt increase in
A. geological activity. B. diversity of major animal groups. C. algal diversity. D. the number and size of glaciers. E. the amount of fish, of a single species, in the seas.
Biology & Microbiology
Which molecules are the most important for a cell to protect from damage if the cell is to stay alive and reproduce?
a. proteins b. lipids c. nucleic acids d. carbohydrates e. amino acids
Biology & Microbiology
Sources of energy that are renewable and derived from plants are called ________
Fill in the blank(s) with correct word
Biology & Microbiology
ER is an abbreviation for _______ ________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology