Which of the following is false about plant
hormones?
a. They bind to receptors on target cells.
b. Their mechanism of action is completely
different from that of animal hormones.
c. Signal transduction may influence a
metabolic pathway.
d. The plant response may depend on a
change in gene expression.
e. Their effect can be synergistic or
antagonistic.
B
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A patient with a blood pressure of 120/75, a pulse rate of 70 beats/minute, a stroke volume of 70 mL/beat (milliliters per beat), and a respiratory rate of 25 breaths/minute will have a cardiac output of _____
A) 70 mL/minute B) 1,000 mL/minute C) 1,750 mL/minute D) 2,800 mL/minute E) 4,900 mL/minute
What are the two types of nucleic acid?
a. mRNA and tRNA b. mDNA and rRNA c. DNA and RNA d. none of the above (there is only one type of nucleic acid and it is DNA)
Genetic engineering started with ____.
A. bacteria B. viruses C. multicellular fungi D. plants E. animals
Inflammation and fever both function to
a. increase pathogen growth. b. limit blood flow to tissues. c. limit growth of pathogens. d. destroy tissues.