Four of the five nitrogen-containing bases listed
below are bases used to construct DNA. Select the
exception.
a. cytosine
b. adenine
c. thymine
d. guanine
e. uracil
Answer: e
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Which of the following is incorrect with respect to translation and the genetic code?
A. In bacteria, there is a direct correlation between the order of amino acids and the order of nucleotides in the gene encoding for a protein. B. The insertion of one or two nucleotides into the coding sequence will cause a shift in the reading frame. C. A codon is three nucleotides in length. D. AUG is the start codon and encodes for a methionine (or derivative of methionine) at the carboxyl end of the protein.
Single nucleotide polymorphisms (SNPs) are organized into blocks called ____ and are inherited together
a. haplotypes b. chromosome assemblies c. DNA assemblies d. multifactorial genes e. threshold groups
Lysozyme is an important antimicrobial substance found at high levels in which food?
A. Fruits B. Fish C. Eggs D. Vegetables
A scientist is investigating a hormone response in rose bush stems by removing the apical meristems of the main stems. What is the most likely result of this experiment and what hormone is responsible?
A. New apical buds will develop under the influence of auxin. B. Larger, deeper roots will form under the influence of cytokinin. C. More leaf buds will appear along the main stems under the influence of auxin. D. Flowers will turn yellow and fall off under the influence of auxin. E. Lateral buds will develop under the influence of cytokinin.