Which of the following is NOT involved in the regulation of the lac operon?
A) an inducer
B) a repressor protein
C) an iRNA
D) glucose
E) cyclic AMP
C
Bloom's Taxonomy: Comprehension
Section: Gene Function
Learning Outcome: 7.17
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The structure that is shared between the male reproductive and urinary systems is the ________
A) prostate gland B) seminal vesicles C) urethra D) seminiferous tubules
Which of the following groups of vertebrae are located closest to the head?
a. sacral b. thoracic c. cervical d. coccygeal e. cranial
The most primitive group of animals, lacking tissues and organs, are the:
a. sponges. b. corals. c. flatworms. d. gastropods. e. sea anemones
Water molecules have a polarity, which allows them to be electrically attracted to other water molecules and other polar molecules by weak chemical bonds known as _____.
a. hydrogen bonds b. polar covalent bonds c. Van der Waals interactions d. ionic bonds e. nonpolar covalent bonds