In light reactions, Photosystem II gets electrons from which two sources
A) CO2 and O2
B) H2O and CO2
C) Photosystem 1 and H2O
D) H2O and sunlight
Ans: D) H2O and sunlight
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What characteristics separate the Class Mammalia from other animals in the phylum Chordata?
A. bipedal locomotion and an upright stance B. being heterotrophic and multicellular C. developed brain and tool use D. dorsal tubular nerve cords and notochords E. vertebrates with hair and mammary glands
The difference between incomplete dominance and codominance is:
What will be an ideal response?
At equilibrium, the gas molecules that dissolve in solution and those that remain in the gaseous phase are, by definition, at the same
A) concentration. B) temperature. C) volume. D) humidity. E) partial pressure.
As represented in the diagram above, which of the following organisms are carnivores?
A. human and fish only
B. human, fish, and frog only
C. human, fish, frog, and spider only
D. human, fish, frog, spider, and insect only