Which of these would most likely provide energy and support for a plant cell?
A. fatty acids
B. inorganic compounds
C. steroids
D. carbohydrates
D. carbohydrates
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The equation, 6CO2 + 6H2O ? C6H12O6 + 6O2, describes which of the following processes?
A. photosynthesis B. light reaction C. Calvin cycle D. nitrogen fixation E. aerobic respiration
The level of the oceans is rising due to ____
a. ozone depletion b. global warming c. lost species biodiversity d. increased precipitation e. acid rain
When cloning a gene, one of the steps is to use restriction enzymes to insert the gene of interest into a vector. If you separated the empty vector (the vector without the gene of interest) and the cloned vector (the vector that has the gene of interest
added) using agarose gel electrophoresis, what do you expect to observe on the agarose gel if both vectors are loaded at the same position at the top of the gel? A) The empty vector would migrate farther down than the cloned vector. B) The cloned vector would migrate farther down than the cloned vector. C) The empty vector would migrate the same distance as the cloned vector.
Which of the following statements is TRUE of exogenous antigens?
A. All cells except red blood cells process exogenous antigens. B. Exogenous antigens are presented on class I MHC proteins. C. Only B cells can recognize exogenous antigens. D. Exogenous antigens are produced by cells infected with intracellular pathogens. E. Dendritic cells and macrophages process exogenous antigens.