What causes delayed onset muscle soreness?
A) running on level ground
B) exercise in which a muscle lengthens while it contracts
C) walking on level ground
D) gentle stretching
Answer: B
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Murine toxin is a ________ that plays a role in both the murine and human forms of the disease
A) Yersinia pestis endotoxin B) Rickettsia prowazekii endotoxin C) Yersinia pestis exotoxin D) Rickettsia prowazekii exotoxin
A sequence of bases within a gene that does not code for protein is called a/n ________.
A. operon B. operator C. intron D. promoter E. exon
Which description applies to chromosomes?
A) Only eukaryotic cells contain chromosomes. B) Chromosomes are made of carbohydrates. C) Genes are found on chromosomes. D) The most complex organisms have the largest number of chromosomes.
The energy needed to polymerize DNA is supplied by
A) the hydrolysis of the phosphate bonds of ATP by an accessory protein that is part of the DNA polymerase holoenzyme. B) the hydrolysis of the phosphate bonds of ATP or GTP, depending on the form of DNA polymerase. C) the hydrolysis of the phosphate bonds of the deoxynucleoside triphosphates that are being added to the new DNA chain. D) the formation of the covalent bond between the phosphate of the nucleoside and the hydroxyl group. E) the hydrolysis of the RNA primers used in DNA replication.