An -OH group is a(n) ____ group.
A. carboxyl
B. hydroxyl
C. amino
D. methyl
E. carbonyl
Answer: B
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Which of the following information provides the strongest evidence to support the evolutionary relatedness between fungi and animals?
A. Some fungi and animals have flagella. B. Molecular data shows a similarity in DNA/RNA base sequences. C. They both possess a cell wall made of chitin. D. Both are heterotrophic.
Peptide bonds
A. are used to form amino acids B. form between fatty acids C. are formed by a hydrolysis reaction D. link amino acids
Which of the following is a correct pair based on their shared characteristics?
a. Earth and a closed system b. the universe and an open system c. an ocean and a closed system d. an ocean and an isolated system
Assortative and disassortative mating are similar in that both ________
A. change only the expected Hardy-Weinberg allele frequencies in a population. B. increase the proportion of homozygous individuals in a population. C. change only the expected Hardy-Weinberg genotype frequencies in a population. D. are examples of random mating. E. change both the expected Hardy-Weinberg allele and genotype frequencies in a population.