What stimulates germination of desert plant seeds after a hard rain?
A) production of auxins
B) removal of abscisic acid
C) cooler temperatures
D) activation of cytokinins
Answer: B
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A species that is confined to the limited area in which it evolved is:
a. endemic b. endangered c. threatened d. extinct e. exotic
Which of the following is NOT included in connective tissues?
a. bone b. skeletal muscle c. cartilage d. collagen e. blood
As a chemical element moves through a biogeochemical cycle, it moves between "bio" and "geo". The "bio" in biogeochemical refers to biotic reservoirs, or __________
Fill in the blank(s) with the appropriate word(s).
What is the molecule that brings amino acids to the ribosome to be bound together during translation?
A) messenger RNA (mRNA) B) transfer RNA (tRNA) C) ribosomal RNA (rRNA) D) leucine E) methionine