Wind and water are the two primary forces of nature that cause soil erosion.

Indicate whether the statement is true or false.


Ans: True

Biology & Microbiology

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Describe the methodology employed when antibodies are used to detect proteins

What will be an ideal response?

Biology & Microbiology

Staphylococcus aureus is a gram-positive organism that produces the enzyme ?-lactamase, which renders certain types of antibiotics inactive. The mode of action that is prevented in certain antibiotics sensitive to this enzyme is:

a. cell wall synthesis. b. protein synthesis to the 30S ribosomal subunit. c. protein synthesis to the 50S ribosomal subunit. d. deoxyribonucleic acid (DNA) synthesis.

Biology & Microbiology

The disease osteoporosis involves loss of both mineral and organic components from bones. Factors that may contribute to the development of osteoporosis include

_____ prolonged disuse of muscles. _____ lack of calcium and vitamin D in the diet. _____ excess fat in the diet. _____ a decline in estrogen following menopause in women. _____ a history of extreme sport participation.

Biology & Microbiology

The shape of the beaks of Darwin's finches and industrial melanism are often cited as examples of the process of ________ leading to evolutionary change.

A. founder effect B. coevolution C. natural selection D. intelligent design E. artificial selection

Biology & Microbiology