Methylated DNA sequences typically contain ____ genes
a. transcriptionally active
b. transcriptionally inactive
c. constitutive
d. housekeeping
e. alternatively spliced
ANSWER: b
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A patient of yours is injured in a car accident. The surgeon reports that while there is damage to the dorsal roots, the spinal cord and nerves otherwise appear intact. What functions would you expect to be affected in the patient?
A. The patient may lose somatic function, but should retain autonomic function. B. The patient may lose motor function, but should retain sensory perception. C. The patient may lose some sensory perception, but should retain motor function. However, lack of proprioceptive input may make muscle control difficult. D. The patient may lose parasympathetic function, but should retain sympathetic function. They should avoid stressful situations.
Tracers are elements that ____.
A. are used in minute amounts in plants B. can be monitored during biochemical reactions C. must be inert D. have an unbalanced electrical charge E. must have a stable nucleus
Based on the concept map only, which of the following is most likely to be true of microbial metabolism?
a. The Krebs cycle produces molecules necessary for function of the electron transport chain. b. The energy from 2 ATP is necessary to drive the electron transport chain. c. Acetyl-CoA is converted directly into 2 ATP d. Acetyl-CoA is produced by substrate-level phosphorylation.
RNA polymerase II of eukaryotes always requires more than one general transcription factor to initiate transcription.
Answer the following statement true (T) or false (F)