Consider the structure of a trophic pyramid when answering the following questions: Why would the world be better off if all humans were vegetarians?
A. More energy can be obtained as a primary
consumer, supporting more primary
consumers.
B. There are more vitamins in plant tissue
than in animal tissue; primary consumers
would be healthier.
C. Eating vegetables is healthier than eating
animals.
A
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The human brain comprises the cerebrum, diencephalon, brain stem and ___________
Fill in the blank(s) with the appropriate word(s)
Animals whose bodies are made up of three layers and have many structures in the middle layer are called
A. Triplobastic. B. Diploblastic. C. Jellyfish. D. Sponges.
What would be a consequence of a mutation that disables the production of cyclin-dependent kinases (Cdks)?
A) Telomere length would be shortened significantly. B) The nuclear envelope would disintegrate. C) Cell-cycle control would not be possible. D) DNA would not contain any phosphate groups.
How is the DNA-binding behavior of polymerase similar to that of the lac repressor?
What will be an ideal response?