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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True or false: The energy to carry out the movement of a ribosome comes from GTP
A. true B. false
Biology & Microbiology
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
Biology & Microbiology
The location of a gene on a chromosome is the ____
a. genotype b. phenotype c. locus d. allele e. histone
Biology & Microbiology
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
Biology & Microbiology