Scientists recently cloned Louis Pasteur and put him back to work in a modern lab. He promptly developed a gel that breaks down proteins. Since he hasn't been around for some time,
he's unsure what the best application for his invention might be. Help him out. What pathogenic item in this gel would be most effective and safe at eliminating?
A.
Viroids on the surface of agricultural plant tissues
B.
Prions inside the central nervous system of cows
C.
Viruses on the surface of the skin
D.
Bacteria in the intestines of human beings
E.
The fungus that causes athlete's foot between people's toes
C
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Which of the following statements is true regarding microbial mats?
A. They contain archaeons. B. They contain oxygenic photosynthetic bacteria. C. They contain anoxygenic photosynthetic bacteria. D. Sunlight does not reach microbial mat levels inhabited by chemoautotrophs. E. All of these answer options are correct.
Which of the following describes the function of the coelom?
a. housing the circulatory system of triploblasts b. digesting and storing nutrients for diploblasts c. facilitating reproduction in all animals d. developing connective tissue in most animals
All fungi are harmful to humans.
Answer the following statement true (T) or false (F)
Which of the following is NOT a target of drugs that inhibit protein synthesis?
A) the shape of the 30S ribosomal subunit B) interference with alanine-alanine bridges C) the enzymatic site of the 50S ribosomal subunit D) movement of the ribosome from one codon to the next E) the tRNA docking site