What is the difference between mitochondria and chloroplasts?
A. Mitochondria have linear strands of DNA and chloroplasts have rings of DNA.
B. Mitochondria produce oxygen and chloroplasts produce carbon dioxide.
C. Mitochondria have three membranes and chloroplasts have two membranes.
D. Mitochondria are oxidative metabolic bacteria derivatives and chloroplasts are photosynthetic bacteria derivatives.
D
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In a single sodium-potassium pump cycle, ATP is used with the result that
A. 3 sodium ions leave and 2 potassium ions enter. B. 2 sodium ion enters and 1 potassium ion leaves. C. 2 sodium ion leaves and 1 potassium ion enters. D. 3 sodium ions enter and 2 potassium ions leave. E. sodium and potassium ions enter and water leaves.
Based on the data provided in the two graphs shown in Figure 9.5, which method of culturing resulted in the greatest number of fibroblast cells on day 6?
A. fibroblasts cultured with serum B. fibroblasts cultured with platelet proteins C. fibroblasts cultured with plasma D. The same results are obtained whether the fibroblasts are cultured with serum or with platelet proteins.
During a fight, a boxer received a hard blow to the side of his head. As a result, the boxer was unable to recognize and
interpret words. Which specific area of the brain must have been damaged during the fight?
a. the cortex of the cerebellum b. Broca's area c. the corpus callosum d. Wernicke's area e. the brain stem
Which are true statements about anaerobic respiration? Check all that apply.
A. lactate may be produced B. a large amount of ATP is produced C. ethanol may be produced D. the reactions happen in the mitochondria E. the reactions happen in the cytoplasm F. CO2 is produced G. NADH is produced