The yeast used in making bread, beer, and wine is
A. Leuconostoc mesenteroides.
B. Propionibacterium.
C. Saccharomyces cerevisiae.
D. Streptococcus lactis and Lactobacillus.
E. Spirulina.
Answer: C
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Which of the following domains consists of organisms whose cells lack nuclei?
a. Bacteria and Eukarya b. Archaea and Eukarya c. Archaea and Bacteria d. all of the choices
Estrogen is involved in calcium metabolism as well as female reproductive functions. This is why post-menopause, women experience which of the following conditions as a result of decreased estrogen?
a. gall stones b. dementia c. osteoporosis d. arthritis
Four of these are correctly matched. Select the
exception. a. cnidarians; nematocysts b. sponges; spicules c. flatworms; bilateral symmetry d. echinoderms; protostomes e. annelids; segmented body
In the first step of starch digestion, starch is converted to ________, which is then digested to ________ by the enzyme maltase.
A. fat; glycerol and 3 fatty acids B. maltose; glucose C. amino acids; proteins D. glucose; maltose