The appearance of the chins at #3 is called the
a. dominant allele.
b. genotype.
c. offspring.
d. recessive gene.
e. phenotype.
e
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When a polypeptide is being assembled, the bond that forms between a newly added amino acid and the previous amino acid in the chain is a _________ bond.
A. hydrogen B. hydrophobic C. terminal D. phosphodiester E. peptide
A farmer has a localized, painful skin infection. Cultures are set up, and <-hemolytic, cata-lase-negative, and gram-positive bacilli are isolated. Based on this information, which of the fol-lowing biochemical results are expected—urease, H2S production in TSI, and nitrate reduction?
a. Positive urease, positive TSI, and positive nitrate b. Positive urease, negative TSI, and nega-tive nitrate c. Negative urease, positive TSI, and nega-tive nitrate d. Negative urease, negative TSI, and nega-tive nitrate
Which of the following represents a reactant in the light reaction of photosynthesis?
A. H2O B. carbon dioxide C. ATP D. NADPH E. oxygen
In meiosis, genes that are found close together on a chromosome
A) are usually inherited together. B) usually exhibit crossing over. C) are usually assorted independently. D) are usually in trans.