A characteristic that an organism displays is called __________
A. a gene
B. a chromosome
C. DNA
D. gene expression
E. a trait
E
Biology & Microbiology
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The amino acid most commonly modified by phosphorylation is:
A. cysteine. B. tyrosine. C. tryptophan. D. alanine. E. leucine.
Biology & Microbiology
The major physical symptom associated with Klinefelter syndrome is ____
a. facial deformation b. fertility problems c. short stature d. intellectual disability e. heart abnormalities
Biology & Microbiology
There are seven cervical vertebrae located in the neck and during the course of evolution, these vertebrae have become fused.
a. true b. false
Biology & Microbiology
Which of the following is essential to the process genetic engineering?
A. selective breeding B. sexual reproduction C. random genetic mutations D. recombinant DNA E. artificial selection
Biology & Microbiology