What is the most abundant white blood cell in the body?
a. basophil
b. eosinophil
c. neutrophil
d. mast cell
c. neutrophil
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Four of the following statements about cone snail venom are true. Which one is false?
a. It is a potential source of new drugs of medical interest. b. It may be lethal to humans. c. It immobilizes the cone snail’s prey. d. It is lethal to cone snail prey. e. Synthetic versions are used as a pain reliever in humans.
What is the name of the area where bones meet and interact?
a. joint b. ligament c. osteoblast d. bony matrix e. connective tissue
Suppose you have engineered a plasmid vector in order to produce a functional animal protein in E. coli. But the product you collect, while it has the correct amino acid sequence, is in fact nonfunctional
What might you try that would have a greater chance of success? A) a eukaryotic expression vector that has sequences for regulating transcription B) using a host other than E. coli that does not have the same codon bias C) a eukaryotic expression vector that includes sequences for controlling posttranslational effects D) treatment of the posttranslation proteins to add signal sequences E) using yeast artificial chromosomes that can hold longer sequences
Why can microbial resistance to antibiotics and other drugs be considered a primarily genetic phenomenon?
What will be an ideal response?