The half life of Carbon 14 is approximately

____ years.



a. 16,000,000
b. 60,000
c. 8,200
d. 5,400
e. 500


D

Biology & Microbiology

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Frameshift mutations may involve _____

a. the substitution of nucleotides b. the substitution of codons c. the substitution of amino acids d. the insertion of one to several base pairs e. mutations in the promoter

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Some photosynthetic euglenoids can also ingest dissolved or particulate food. Which one of the following terms would best describe such a protist?

A. phagotrophic B. osmotrophic C. heterotrophic D. mixotrophic E. autotrophic

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The location of a gene on a chromosome is the ____

a. genotype b. phenotype c. locus d. allele e. histone

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True or false: The energy to carry out the movement of a ribosome comes from GTP

A. true B. false

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