Some animals allow their body temperature to conform to the environment. What is the old term for these animals, and what is the newer preferred term?
A. Isotherms; poikilotherms
B. Heterotherms; homeotherms
C. Poikilotherms; ectotherms
D. Homeotherms; endotherms
E. Endotherms; homeostats
Answer: C
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Mendel's understanding of the inheritance of traits in peas, expressed in modern language, included: Check all that apply.
_____ parents transmit information encoded in genes. _____ each individual contains two genes for each trait. _____ not all genes are identical; alternative forms (alleles) exist. _____ each of the alleles present in an individual is discrete. _____ if a given allele is present, its effects will be seen in the individual.
The ________ is connected to the GI tract and has no digestive function, but it may have a role in the defense of the body against disease. It occasionally becomes inflamed and requires removal
Fill in the blank(s) with correct word
What is the function of the MutS protein in methyl-directed mismatch repair?
A. to excise the mismatched base pair B. to make a cut in the nonmethylated DNA strand C. to digest the nonmethylated DNA strand D. to directly bind the DNA polymerase E. to find mismatches
Microinsertions and microdeletions often result in ________ mutations
A) auxotrophic B) advantageous C) silent D) frameshift