Which of the following are physical stimuli that influence plant responses?
A. touch; gravity; herbivores; pathogens
B. rocks; light; touch; music
C. water; gravity; temperature; soil minerals; microorganisms
D. wind; temperature; fungi
E. CO2; light; water vapor; gravity
Answer: E
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illustration below strongly suggests a. incomplete dominance. b. codominance. c. epistasis. d. polygenic inheritance. e. environmental effects on phenotype.
A drug binds to the active site of an enzyme. If it is bound to the active site of the enzyme, it prevents substrate binding. This drug would be considered a
A. noncompetitive inhibitor. B. competitive inhibitor. C. allosteric activator. D. allosteric inhibitor.
Amniocentesis involves
A) prenatal diagnosis of genetic defects in a fetus. B) tests for enzyme and protein deficiencies in a fetus. C) taking a sample of amniotic fluid with a needle. D) analysis for DNA and chromosome defects in a fetus. E) All of these
At what rate does carbon monoxide bind to hemoglobin over oxygen?
A) 10´ B) 20´ C) 100´ D) 200´