28. In mice, the gene for insulin-like growth factor is imprinted. During embryonic development, only the paternal allele for insulin-like growth factor is expressed. This means (A) that the paternal allele is imprinted. (B) that the maternal allele is imprinted. (C) that the paternal allele is hyper-methylated. (D) that the paternal allele is mutated.

32. You are currently studying the behavior and physiology of a vertebrate about which little is known. Based on what you know about other vertebrates, what would you predict would be the state of this animal when it was not in the fight or flight state. (A) Energy stores such as adipose tissue and glycogen are broken down to mobilize fatty acids and glucose. (B) The heart rate increases and airways are dilated to promote maximum oxygen intake. (C) Elevations in cortisol are needed to increase glucose. (D) Leptin levels are increased to enhance appetite.

相關試題

相關試卷