Which of the following is capable of enzymatic activity?
a. lipids
b. proteins
c. carbohydrates
d. minerals
e. vitamins
B
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An example of a poison that kills by interfering with ATP production is
A. arsenic. B. carbon monoxide. C. cyanide. D. rotenone. E. All of the answer choices are correct.
Muscle tissue that controls involuntarily movement and composed of spindle-shaped cells is _____ muscle
A. smooth B. cardiac C. skeletal D. either skeletal or cardiac E. either cardiac or smooth
Which two levels are farthest apart on the hierarchy of biological organization?
a. Organism and population b. Ecosystem and biosphere c. Atom and cell d. Tissue and organ
What kind of trend does this graph illustrate? (0 represents the minimal possible value for the character, like minimum possible body size)
A. passive B. active C. average D. driven