The application of ammonia fertilizers can alter soil
chemistry resulting mostly in the loss of __________
through ion exchange.
a. iron and phosphorus
b. nitrogen and hydrogen
c. calcium and magnesium
d. zinc and iron
e. nitrates and nitrites
Answer: c
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Gametes or spores are produced during the cellular process referred to as ____
Fill in the blank with the appropriate word.
An advantage of our scientific naming system is that
A.) biologists can communicate regardless of their native languages B.) common names mean the same in all countries C.) Latin names are easy to pronounce D.) organisms all have the same scientific name
During which of the following phases of cellular respiration does substrate-level phosphorylation take place?
A) glycolysis only B) the citric acid cycle only C) oxidative phosphorylation only D) glycolysis and the citric acid cycle
When developing a monoclonal antibody-based test kit, great care must be taken to choose an antibody with the right binding properties. Imagine that you are developing a food-testing kit to specifically detect E. coli 0157:H7, a pathogenic serotype of E. coli that causes food poisoning. Choose the hybridoma line best suited for use in your test kit.hybridoma line E. coli 0157:H7 E. coli K-12 MG1655 E. coli 0150:H5 E. coli 0152:H28 1 +++ - +++ - 2 - ++ ++ + 3 ++ - - - 4 +++ ++ ++ ++ 5 + +++ - -
A. 1 B. 2 C. 3 D. 4 E. 5