Which one of the following quantities best represents the respiratory heat lost by plants in an ecosystem?
A. gross primary productivity
B. net primary productivity
C. gross primary productivity - net primary productivity
D. gross primary productivity - standing crop biomass
E. gross primary productivity - secondary productivity
C. gross primary productivity - net primary productivity
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Which of the following is a common cause of
interrupted breathing? a. sleep apnea b. lung cancer c. high altitude sickness d. low red blood cell count e. none of these
the molecule that stores the energy of glucose in plants
What will be an ideal response?
Which statement regarding the scientific method is FALSE?
(a). Inductive reasoning is used to form a hypothesis. (b). Observations are used to form a hypothesis. (c). Experiments need to be repeatable. (d). Original hypotheses are formed after an experiment. (e). The control and experimental group are identical except for one variable.
Which of the following antiviral drug categories is incorrectly matched with its description?
A) Nucleotide reverse transcriptase inhibitors: Target retroviruses B) Nucleoside analogs: Mimic normal nucleotides interfering with nucleic acid replication C) Interferons: Used for postexposure prophylaxis D) Proteases: Target protein-cutting enzymes which make mature virons E) Antisense antivirals: Short sequences of nucleotides that are complementary to viral RNA