Which is incorrect about p53?
A. It can direct a cell to kill itself.
B. It is routinely given as a cancer therapy.
C. It stimulates the activity of DNA repair enzymes.
D. It is a protein that monitors the integrity of DNA.
E. If nonfunctioning, cells become cancerous.
Answer: B
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Which of the following is NOT a form of regulation of gene expression?
a. transcriptional regulation b. translational regulation c. pretranscriptional regulation d. posttranscriptional regulation e. posttranslational regulation
A water-vascular system that operates the tube feet is characteristic of the ____
a. arthropods b. annelids c. chordates d. mollusks e. echinoderms
Data in this figure suggest
A) butterfly populations are declining. B) butterfly habitat is degrading over time. C) butterflies are moving north over time. D) two species of butterflies are evolving over time.
What is the major monosaccharide found in the body?
What will be an ideal response?