The bacteria that cause tetanus can survive in a puncture wound that has healed on the outer surface of the skin. Through what process do these bacteria acquire the energy they need to survive?
A. anaerobic respiration
In terms of ATP production, which process results in the most stored energy?
D. aerobic respiration
Which statement best distinguishes aerobic from anaerobic respiration?
C. Only aerobic respiration requires oxygen.
Which most accurately describes the difference in ATP production between aerobic respiration and anaerobic respiration?
A. aerobic respiration produces more ATP than anaerobic respiration.
A segment of a DNA strand has the following bases:
TAC GAT
What is the complementary strand of DNA?
B. ATG CTA
Which relationship is most similar to the relationship below?
tRNA: ribosome
D. truck: factory
Before a cell goes through either mitosis or meiosis, which process must be carried out by the DNA in the nucleus?
C. replication
Sexual reproduction provides for what to occur?
D. genetic variation
Which would most likely favor species survival in changing environmental conditions?
C. genetic recombination
Which term best describes the type of cell division in which parent cells produce daughter cells with the same number of chromosomes as the parent cells?
B. mitosis
Enzymes are classifies as which of the following biological organic compounds?
C. proteins
Some organelles have their own DNA that is distinct from the cell's nuclear DNA. This is true of which organelle?
A. mitochondria
Pollen in plants is most similar to which type of cell in humans?
C. sperm
Protein synthesis occurs at which of the structures shown below?
ribosomes
Why do cells need buffering agents?
C. to minimize the changes in the pH of the internal environment
Placing wilted lettuce in cold water will make it crisp again. Which statement best describes what happens to restore the lettuce to its original condition?
A. water entered the cells of the lettuce by osmosis