Compare the way most oxygen is carried in the blood with the way most carbon dioxide is carried
What will be an ideal response?
Most oxygen is bound to hemoglobin; most carbon dioxide is carried as bicarbonate ion, with small amounts bound to hemoglobin and dissolved in the plasma.
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Which of the following base pairs would be targeted and repaired by a mismatch repair system?
A. A -T B. C-G C. A-G D. A-G and C-G E. A-T and C-G
Fermentation ________.
A. only occurs in aerobic organisms B. is equivalent to aerobic respiration in ATP production C. requires an organic electron acceptor D. requires oxygen E. is the same as anaerobic respiration
What term is used to describe the situation when the loss of an allele because of selection against one of its phenotypes is balanced by natural selection in favor of the allele for another phenotype?
A) equilibrium frequency B) heterozygote fitness C) restriction fragment length polymorphism D) single nucleotide polymorphism E) balanced polymorphism
What is a possible mechanism resulting in the displayed relationship between a fe-male's capture by a predator while mating and the body size of the male she is mating with?
Explain the overall trend and ignore the s-shaped fluctuation at intermediate body sizes for the purpose of this question. a. Large females tend to mate with large males, and large females are less likely to be caught. b. Large mating partners slow females down and make them easy prey. c. While mating with a large male the couple becomes a less attractive prey item. d. Copulations with large males are shorter than copulations with small males, thereby decreasing the time during which females are less mobile. e. A, C, and D.