Which of the following is NOT true of the glucocorticoid receptor?
A. The receptor contains a nuclear localization signal (NLS).
B. When bound to glucocorticoids, the receptors will bind covalently and irreversibly to each other to form dimers.
C. Glucocorticoid receptor dimers bind glucocorticoid response elements (GREs).
D. Binding of glucocorticoid receptor dimers to GREs activates the transcription of the adjacent gene.
E. The receptor contains a binding domain for glucocorticoids.
B. When bound to glucocorticoids, the receptors will bind covalently and irreversibly to each other to form dimers.
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When chromosomes have either duplications or deletions, the chances that the mutation will be harmful are a function of:
A. its sizeâ€"the smaller the duplication or deletion, the greater the chance of harm. B. its sizeâ€"the larger the duplication or deletion, the greater the chance of harm. C. its locationâ€"if it occurs in a germ-line cell, it will be more harmful than if it occurs in a somatic cell. D. its position on the chromosomeâ€"if it occurs at the tip of a long arm, it is likely to be less harmful than if it occurs at the tip of a short arm. E. None of the answer options are correct.
Which statement is not true about the rod cells? a. Detect dim light
b. Least abundant photoreceptor. c. Contain the pigment rhodopsin. d. Respond to changes in light intensity. e. Most abundant photoreceptor.
If you didn't consume enough niacin (vitamin B3), you would have diarrhea since you would have what disease?
A. scurvy B. pellagra C. rickets D. beriberi E. anemia
C. elegans is used as a model organism in the study of the Notch signaling pathway. What is the method communication between cells in the Notch signaling pathway?
A) cells do not communicate using the Notch signaling pathway B) release of extracellular signals to be detected by neighboring cells C) direct cell-to-cell contact through transmembrane proteins D) electrical propagation of signals across small gaps