Beer, wine, and spirits are produced as the result of cellular metabolism by:
A) bacteria occurring in the absence of free electrons.
B) yeast occurring in the absence of oxygen.
C) yeast occurring in the absence of free electrons.
D) bacteria occurring in the absence of oxygen.
E) pyruvate occurring in the absence of oxygen.
B) yeast occurring in the absence of oxygen.
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____ _____ of animals enabled them to function in so many ways that they have been able to diversify in ways that plants, fungi, algae, and protozoans have not
A. Organ systems B. Radial symmetry C. Bilateral symmetry D. Phylogenetic analysis
Which of the following are principles of the cell theory or cell doctrine?
A. All living things are composed of one or more cells. B. Cells are the smallest unit of living organisms. C. New cells come only from pre-existing cells by cell division. D. Cells are the smallest unit of living organisms and new cells form from pre-existing cells by cell division. E. All living organisms are composed of one or more cells, cells are the smallest units of life, and new cells come only from pre-existing cells by cell division.
Teratogens are substances that
A) cause birth defects. B) protect against infection. C) prevent accumulation of cholesterol. D) cause genetic disease.
Oxytocin can generate feelings of well-being as well as anxiety and stress
Indicate whether the statement is true or false.