81
The mode of action of a steroid hormone involves:
Answer: modifying gene transcription
Questions
83
The sex of a child is dictated by the inheritance of:
Answer: a single Y chromosome from the father
84
The capacity of the aerobically trained muscle to use fatty acids as a fuel results in:
Answer: all of the above (a - c) are correct
85
Training for strength or power has little effect on:
Answer: aerobic capacity
87
Which of the following cannot be considered as a metabolic adaptation to endurance training:
Answer: increased adrenaline response to exercise
88
Prolonged exercise impairs immune cell function due to:
Answer: inhibitory effects of elevated stress hormones such as cortisol
89
Which of the following immune functions would not be performed by a neutrophil?
Answer: antibody production
90
During prolonged exercise increased amounts of interleukin-6 are released from:
Answer: exercising muscle and influence carbohydrate and fat metabolism
91
Which amino acid is very important for optimal immune function and exhibits a reduced plasma concentration during heavy training?
Answer: glutamine
93
The main source of increased free radical production during exercise is thought to be from:
Answer: electron leak from the mitochondrial respiratory chain
94
Codons are composed of:
Answer: triplet sequences of nucleotide bases in mRNA
95
The process of translation requires the presence of:
Answer: mRNA, tRNA and ribosomes
96
The transcription of DNA to a molecule of messenger RNA occurs:
Answer: in the nucleus
97
Which of the following molecules does not form part of DNA?
Answer: amino acid
98
Which of the following nucleotide bases is not found in RNA?
Answer: thymine
