Receptors for activated complement proteins are found on ____
a. dendritic cells, macrophages, and neutrophils
b. mast cells, macrophages, and neutrophils
c. dendritic cells, B lymphocytes, and neutrophils
d. dendritic cells, eosinophils, and macrophages
e. monocytes, T lymphocytes, and B lymphocytes
ANSWER: a
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A consensus sequence in the untranslated leader sequence of a prokaryotic mRNA, which serves as a ribosome binding site is called the ________ sequence.
Fill in the blank(s) with the appropriate word(s).
Which of the following components of the
dermis is incorrectly matched with its usual function? a. blood vessels; nutrient supply b. sweat glands; hormone secretion c. oil glands; lubrication of hair and skin d. hairs; insulation e. receptors; pain
In humans, colorblindness is a recessive, X-linked genetic disorder. What is the likelihood that the children of a woman heterozygous for colorblindness and a man with normal color vision will be colorblind?
A.) 0% B.) 25% C.) 50% D.) 100%
Each of the interphase stages has a distinct pattern of biosynthesis; during the S stage, _____.
A) various proteins, carbohydrates, and lipids are produced B) the proteins that form the bipolar spindle are formed C) the DNA is replicated D) the enzymes that disassemble the nuclear membrane are formed E) the cell uses receptor-mediated endocytosis to acquire the DNA it will need before dividing