The "gold standard" test to determine the percent of body fat of an individual is:
What will be an ideal response?
Dexa scan
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Chemical energy is most often released by ________.
A. adding phosphate groups to a molecule B. creating a bond between two molecules C. breaking a bond within a molecule D. reorganizing molecules with each other
The "universal" genetic code is now known to have exceptions. Evidence for this can be found if which of the following is true?
A) if UGA, usually a stop codon, is found to code for an amino acid such as tryptophan (usually coded for by UGG only) in a different organism B) if one stop codon, such as UGA, is found to have a different effect on translation than another stop codon, such as UAA C) if prokaryotic organisms are able to translate a eukaryotic mRNA and produce the same polypeptide D) if several codons are found to translate to the same amino acid, such as serine E) if a single mRNA molecule is found to translate to more than one polypeptide when there are two or more AUG sites
Which of the following statements is NOT generally
characteristic of parasites? a. They are specialists and usually are able to affect only one variety of hosts. b. They inflict serious injury and kill their hosts. c. Some reside inside their hosts, whereas others live outside their hosts. d. Their host may be a plant as well as an animal. e. Some require more than one host to complete the life cycle.
If there was random mating and no evolution in the kangaroo rat population shown here, in the next generation if there were 1000 individuals, about how many dark brown kangaroo rats would you expect to see?
a) 24 b) 10 c) 218 d) 78 e) 2