During a marathon, runners use up ATP and glucose early in the race. Which energy source is generally used next for producing more ATP?
A) glycogen
B) starch
C) cellulose
D) steroids
E) phospholipids
A
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Uniform spacing patterns in plants such as the creosote bush are most often associated with _____
A) chance B) patterns of high humidity C) the random distribution of seeds D) competitive interaction between individuals of the same population E) the concentration of nutrients within the population's range
The glucose carrier of skeletal muscle is designated as ________.
Fill in the blank(s) with the appropriate word(s).
The tendency of bacteria to move away from a toxic substance or move towards a food source is ______________
Fill in the blank(s) with the appropriate word(s).
Bacterial cells _______.
A. have one identifiable antigen that binds antibody B. have two epitopes per cell C. have many different epitopes, which each bind to specific antibodies D. have many different epitopes, which all bind to the same antibody E. are not antigenic