The logistic model assumes that ____ will become increasingly limited as population grows larger
a. deaths
b. births
c. immigration
d. competition
e. vital resources
ANSWER: e
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An important group of peripheral membrane proteins are enzymes such as the phospholipases that cleave the head groups of phospholipids. What properties must these enzymes exhibit?
A) resistance to degradation B) independence from cofactor interaction C) water solubility D) lipid solubility E) membrane-spanning domains
What method was used to inoculate the plate shown here?
CDC
A. Swab plate B. Pour plate C. Streak plate D. Spread plate
Although the sulfate-reducing bacteria are thought to be critical in the corrosion of metal structures, the mechanism of metal corrosion is not well understood
Indicate whether the statement is true or false.
All of the following are correct about Staphylococcus aureus except
A. it is the coagulase-positive species. B. the body's most powerful defense against it lies in the T-cell response. C. carriers may be treated with antibiotics to clear them of the bacteria. D. most strains are resistant to penicillin and ampicillin. E. it causes furuncles, carbuncles and abscesses.