The major function of a receptor is to
a. control the autonomic functions of the
body.
b. stabilize the internal environment to
achieve homeostasis.
c. produce responses to the various stimuli the
body receives.
d. give organisms or cells awareness of and
sensitivity to their environment.
e. do none of these.
D
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Winogradsky columns ________.
A. are used in the process of isolating nanobacteria B. are typically used to isolate aquatic protozoa C. are used in the process of isolating aquatic viruses (virioplankton) D. are used as a model system for studying microbial interactions
During exercise, when energy from cellular respiration is depleted, the muscle cell relies on which
substances for energy? a. glucose and glycogen b. glucose and fatty acids c. fatty acids and glycogen d. proteins e. fatty acids and lactic acid
Body Mass Index (BMI) is
A. calculated by determining a person's weight (without clothing) in pounds and barefoot height in feet. B. a person's weight in kilograms divided by their height in meters squared. C. a person's weight in pounds divided by their height in feet squared. D. equal to approximately 10% of your total daily Calorie intake.
Based on the number of species, the most successful extant phylum of plants is the
A. Coniferophyta. B. Hepaticophyta. C. Charophyta. D. Pterophyta. E. Gnetophyta. F. Anthophyta.