In most cases, the term auxin refers to ____.
A. abscisic acid
B. indole-3-acetic acid
C. jasmonic acid
D. nitric oxide
E. salicylic acid
Answer: B
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Consider an organism whose karyotype shows it to have a total of 60 chromosomes. How many chromosomes would be contained in the sperm of this organism?
A. 23 B. 30 C. 46 D. 60 E. 90
Which of the following is a major protein found in muscles?
A. Myosin B. Actin C. Both actin and myosin D. Neither actin nor myosin.
Key sequences exist within promoters, which vary somewhat among various promoters but are sufficiently constant that they can be represented by a sequence of bases most often found at each position. These representations are called ________ sequences.
A. common B. idealized C. consensus D. convergence
When a DNA fingerprint is created, what determines the size of each fragment?
A) the number of PCR cycles that are used B) the size of the individual's genome C) the number of times the repeating sequence is repeated in each STR region D) the age of the individual from whom the sample was taken E) the amount of time the electric current is applied during gel electrophoresis