All of the following are true of Gram-positive
bacteria EXCEPT
a. Some species are used to make popular foods.
b. Some species lower the pH of skin and vaginal
linings.
c. Some species form endospores.
d. Some species cause anthrax, tetanus, and
botulism.
e. Some species are used as vectors in genetic
engineering.
Answer: e
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Instead of the typical XY pairing, some males may have an XXY chromosome configuration that may result in ________.
A. Klinefelter syndrome B. Down syndrome C. Fragile X syndrome D. Prader–Willi syndrome E. None of the above
____ is a large, double-stranded, helical molecule that contains instructions for assembling a living
organism from simpler molecules.
a. RNA b. DNA c. ATP d. NADPH e. Protein
The classic book The Open Sea: Its Natural History was written by:
a. Fridtjof Nanson. b. Sir Alistair Hardy. c. Alexander Agassiz. d. Charles Wyville Thomson. e. Jacques-Yves Cousteau.
Factors that influence population growth but do not change systematically with the density of the population are called density-________ factors
Fill in the blank(s) with correct word