Transcription factors _____
A) regulate the synthesis of DNA in response to a signal
B) transcribe ATP into cAMP
C) control gene expression
D) regulate the synthesis of lipids in the cytoplasm
C
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At the arteriole end of the capillary, more fluid leaves the capillary than enters as a result of differences in:
a. plasma concentration b. vasoconstriction c. vasodilation d. blood pressure e. interstitial fluid osmotic pressure
_____ vertebrae are found in the lower back
1.Cervical 2.Thoracic 3.Lumbar 4.Sacral
When a plant responds to external stimuli, such as light, gravity, or touch by directional growth, these responses are
referred to as: a. turgor movements. b. sleep movements. c. nastic movements. d. circadian rhythms. e. tropisms.
How many genes did researchers think the human genome contained? How many did it contain?
A. 80,000; 23,000 B. 25,000; 80,000 C. 3 billion; 80,000 D. 1 million; 1 million E. 125 million; 1 million