The study of succession and climax involves only plants and their adaptations.
a. true
b. false
Ans: b. false
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The size of DNA is often given in the number of ________ that it contains.
A. triplets B. genes C. base pairs D. proteins E. codons
Which of the following best describes the presence of gill structures in vertebrate embryos and tail structures in embryos in the great apes?
a. These are vestigial structures that are residual parts from a past common ancestor. b. These structures continue to be necessary for survival in the adult form of these organisms. c. These structures show that these species have been isolated since the separation of the supercontinent Gondwana. d. Vertebrate organisms are more closely related to fish than to marsupials.
Enzyme inhibition
A. refers to the interference with a chemical reaction caused by an enzyme. B. is the tendency to stop a chemical reaction caused by two different enzymes interfering with each other. C. is caused by a chemical that prevents the enzyme from acting on the natural substrate. D. is the ability of an enzyme to decrease the need for activation energy.
The method of using RFLPs to identify bacterial or viral pathogens is called
A. proteomics. B. DNA fingerprinting. C. genetic screening. D. DNA sequencing.