Sweat can cause damage to bacteria because it contains salt and lysozyme
Indicate whether the statement is true or false
TRUE
Biology & Microbiology
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Amniocentesis involves sampling
a. the embryo at the eight cell stage. b. fetal cells in the amniotic fluid. c. sperm or egg cells. d. fetal skin tissue. e. placental cells
Biology & Microbiology
The first photsynthetic autotrophs used the energy of the sun to split H2O because it is not very
electronegative. _______ Indicate whether the statement is true or false.
Biology & Microbiology
The infectious agent that causes tuberculosis is
A) an acid-fast bacterium of the genus Mycobacterium. B) HIV. C) one of several Gram-negative bacterial species. D) unpasteurized milk. E) avian influenza virus.
Biology & Microbiology
Bacterial and archaeal ribosomes are known as ________ ribosomes, based on their sedimentation coefficient.
A. 80S B. 30S C. 70S D. 50S
Biology & Microbiology