Which tissue type in the human body is exposed directly to the bloodstream?
A) muscle
B) connective
C) epithelial
D) nervous
C
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The microbiologist receives a sputum specimen for culture in the microbiology laboratory. Upon receipt the microbiologist should:
a. complete the set-up of media for identifi-cation of pathogens. b. complete a direct Gram stain and prelimi-nary report. c. complete an abbreviated work-up of the specimen. d. complete a culture and definitive identifi-cation of pathogens.
In the Hershey and Chase experiment, 32P was used to label ____ and 35S was used to label ____
a. RNA; protein b. protein; DNA c. phospholipids; protein d. protein; phospholipids e. DNA; protein
Androgens target
a. the nephrons of the kidney. b. the egg cell and the cells of the follicle. c. male sex organs. d. the thyroid and parathyroid glands. e. the hypothalamus.
A series of techniques in which DNA fragments from an organism are linked to self-replicating vectors to create
recombinant DNA molecules, which are then replicated in a host cell, is called ____________________. Fill in the blank(s) with the appropriate word(s).