Organic molecules found in plant foods that reduce the risk of certain disorders are known as ____
a. vitamins
b. essential amino acids
c. minerals
d. phytochemicals
e. lipids
ANSWER: d
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Enrichment cultures can be established by placing the inoculum into selective media and incubating under specific conditions
Indicate whether the statement is true or false.
Host range is limited by the
A. type of nucleic acid in the virus. B. size of the host cell. C. age of the host cell. D. type of host cell receptors on cell membrane.
Answer the following statements true (T) or false (F)
1.A dinoflagellate has both a transverse flagellum and longitudinal flagellum. 2.Golden algae, diatoms, and brown algae contain yellowish pigments. 3.Alternation of generations means having alternating, multicelled haploid and diploid phases in a life cycle. 4.All protists are single-celled. 5.Protists can be heterotrophs.
Which of the following is not a monosaccharide?
a. glucose b. fructose c. deoxyribose d. starch e. ribose