What is/are the function(s) of a coactivator?
a. form a bridge between the enhancer and the promoter proximal region
b. cause the DNA to form a loop
c. bind to RNA polymerase
d. increase the rate of transcription
e. all of these
E
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As sperm are transported through the ducts system, what secretions are added from which three sets of glands to make up semen?
What will be an ideal response?
A tissue consists of interacting cells and
a. blood cells. b. pigmented skin cells. c. extracellular substances. d. nerve cells. e. none of these.
Which phase comes immediately after cleavage?
a. fertilization b. organ formation c. gastrulation d. gamete formation e. tissue specialization
Gluten-free food options are becoming more and more common place due to the increased incidence and awareness of celiac disease in the U.S population. If a person with this disease eats foods containing gluten, the immune system responds by attacking and damaging or destroying his/her own villi. What digestive symptom would not be consistent with greatly-reduced numbers of villi?
A. Peptic ulcer B. Fatty stools C. Weight loss D. Chronic diarrhea E. Abdominal bloating and pain