The general transcriptional machinery is composed of the regulatory proteins bound to the promoter of a eukaryotic

gene. Indicate whether the statement is true or false.


True

Biology & Microbiology

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Which one of the following is a monosaccharide and not a disaccharide?

A. lactose B. fructose C. sucrose D. maltose E. None of these sugars is a monosaccharide.

Biology & Microbiology

Molecules that regulate defense responses via signal transduction pathways are called ____

a. complement proteins b. histamines c. macrophages d. cytokines e. defensins

Biology & Microbiology

When you are lifting weights, the arterioles

servicing your biceps are

a. constricted. b. dilated. c. supplying less blood. d. shut down. e. doing more than one of these

Biology & Microbiology

Which of the following does NOT produce

variation? a. crossing over b. random alignment of chromosomes during meiosis c. asexual reproduction d. genetic recombination of alleles e. sexual reproduction

Biology & Microbiology