There are three dietary monosaccharides. Glucose is one- what are the other two?
a) fat and cholesterol
b) lactic acid and ethyl alcohol
c) fructose and sucrose
d) NADH and FADH2
Ans: c) fructose and sucrose
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In the United States and other developed countries, deaths due to infectious diseases are decreasing
Indicate whether the statement is true or false.
You have entered a 5K race. As you finish the last 50 yards you are breathing harder than at the start of the race and sweating profusely. This is an example of the _______________law of thermodynamics because ______ is increasing
A. first; entropy B. second; entropy C. first; body temperature D. second; body temperature E. None of these choices are correct; overall energy levels have not changed.
Which statement concerning root hairs is not correct?
A. Root hairs are tubular extensions of individual epidermal cells. B. A root hair is isolated from its epidermal cell with a cross wall. C. Root hairs generally live only a few days before being sloughed off. D. Root hairs increase the absorption of water and minerals. E. Root hairs are located in the zone of maturation of a root.
Which of the following is most correct regarding genes, DNA, and protein?
A) A gene is a section of DNA whose sequence encodes a particular protein, which is composed of amino acids. B) A gene is a section of a chromosomal DNA composed of many amino acids. C) DNA is composed of many genes, which are formed from amino acid sequences. D) DNA is composed of amino acids, which encode the protein and genotype.