Which region of the visible spectrum is not absorbed well by chlorophyll?
a) blue.
b) violet.
c) green.
d) red.
Answer: c) green.
Biology & Microbiology
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An open reading frame (ORF) encodes for
A) a carbohydrate. B) a polypeptide. C) mRNA. D) a carbohydrate or a polypeptide.
Biology & Microbiology
Which equation is used to calculate the free energy associated with a reaction?
a. ?G = ?H-T?S b. ?G = ?H+T?S c. ?G = - ?H+T?S d. ?G = ?S+T?H e. ?G = -?S-T?H
Biology & Microbiology
Which cells produce pepsinogen in the stomach?
a. brush border cells b. chief cells c. choanocytes d. parietal cells e. villi
Biology & Microbiology
Which of the following is NOT a risk factor associated with cancer?
A. Advanced age B. Smoking cigarettes C. Family history of cancer D. Viral infections E. All of these are risk factors associated with cancer
Biology & Microbiology