The ____ carries oxygenated blood
a. inferior vena cava
b. pulmonary artery
c. pulmonary vein
d. superior vena cava
e. lymphatic vessel
ANSWER: c
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The enzyme that synthesizes messenger RNA from a DNA template is
A) DNA polymerase. B) RNA polymerase. C) reverse transcriptase. D) ligase.
All of the organisms living together in a particular habitat and their interactions with their non-living environment are called which of the following?
a. biomes b. populations c. ecosystems d. communities
The failure of the potato crop and the subsequent
Irish famine was due mainly to a protist belonging to which group? a. chytrids b. slime molds c. club fungi d. parabasalids e. water molds
A symporter is moving glucose and sodium levels are being depleted in extracellular fluids. What can be concluded about the movement of glucose? Choose all that apply.A) Glucose would be moving against its gradient into the cell.B) Glucose follows the gradient of sodium into the cell.C) Glucose would be moving with its gradient into the cell.D) ATP is not required to move sodium down its concentration gradient.E) Energy is needed to move glucose down its concentration gradient.F) Glucose's movement would still be considered diffusion.G) Glucose's movement is considered a part of coupled transport.
What will be an ideal response?