Of the metabolic pathways listed below, which is the only pathway found in all organisms?
a. the citric acid cycle
b. the electron transport chain
c. fermentation
d. glycolysis
e. cellular respiration
Answer: d. glycolysis
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All of the following are polysaccharides EXCEPT _____
A) lactose B) glycogen C) chitin D) cellulose E) amylopectin
A pathogenic bacterial species has mutated and is no longer able to synthesize a capsule. Which outcome would you predict?
A. The mutated bacteria will be more virulent. B. The mutated bacteria will be protected from plasmolysis in hypertonic environments. C. The mutated bacteria will not be able to cause disease as readily. D. The mutated bacteria will undergo osmotic lysis in hypotonic environments.
An operon consists of: a. a promoter and an operator
b. a promoter and a protein. c. a master gene and an operator. d. a promoter and an enzyme. e. an operator and a protein.
The first fungi were most likely ____
a. airborne b. terrestrial c. arboreal d. aquatic e. amphibious