What are the four stages of food processing, ordered from beginning to end?
A. Ingestion, digestion, absorption, elimination
B. Ingestion, digestion, elimination, absorption
C. Digestion, ingestion, absorption, elimination
D. Digestion, absorption, ingestion, elimination
Answer: A
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Which of the following does not increase the level of nutrients available to crop plants?
A. adding humus to the soil B. crop rotation C. plowing crop residues under D. applying herbicides E. applying chemical fertilizers
Bacterial cells typically have ____ while eukaryotic cells have ____
a. a single circular chromosome; many linear chromosomes b. several circular chromosomes; many linear chromosomes c. one linear chromosome; many circular chromosomes d. two circular chromosomes; numerous circular chromosomes depending on the species e. numerous circular chromosomes depending on the species; many linear chromosomes
ome enzymes do not work properly or at all without the presence of a cofactor or coenzyme. Which of the following is a class of known important coenzymes?
a. hydroxides b. amino groups c. vitamins d. assistins
What field of science has as its goal to classify all living things into a hierarchical system of relatedness that runs from most broad to most narrow?
A. Cladistics B. Phylogenetics C. Taxonomy D. Evolution