The activity of some transcription factors can be regulated by covalent modifications
Indicate whether the statement is true or false
TRUE
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Members of this subphylum are now all extinct, but they were extremely numerous in shallow
Paleozoic seas. Most of them were dorsoventrally flattened and heavily armored, with two deep longitudinal grooves that gave their body a three-lobed appearance.
a. Myriapoda b. Trilobita c. Chelicerata d. Hexapoda e. Crustacea
Which of the following statements is FALSE
about energy in molecules?
a. Chemical bonds in molecules contain energy. b. Reactants always have less energy than products. c. Some molecules contain more energy than others. d. Molecules release energy when they react with oxygen. e. When broken, chemical bonds release energy.
When you are studying with the TV on, which part of the brain filters out unnecessary sensory stimuli so that you can focus on your studies?
A. reticular activating system B. hypothalamus C. cerebellum D. basal nuclei E. limbic system
This type of mechanoreceptor is found in the lips, nipples, and fingertips and helps us to precisely determine contact with something else
A) free nerve endings B) Pacinian corpuscles C) hair root plexus D) Meissner's corpuscles