Glyptodonts are fossil forms that resemble
a. ostriches.
b. armadillos.
c. kangaroos.
d. turtles.
e. sloths.
Answer: b
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Referring to the above diagram of the brain, F
identifies which region?
a. corpus callosum b. hypothalamus c. cerebrum d. cerebellum e. medulla oblongata
What is the result when a well-tested hypothesis is supported by many independent studies in the scientific community?
A) The hypothesis would be considered a scientific theory. B) The hypothesis is now be referred to as a prediction. C) Further experiments would not occur unless a sufficient alternative is proposed. D) The hypothesis is a fact that cannot be refuted.
Adult tunicates resemble ____and are ____
a. eels; carnivorous b. corals; photosynthetic c. starfish; carnivorous d. sponges; filter feeders e. earthworms; detritivores
Which of the following statements is true about protein synthesis in prokaryotes?
A) Extensive RNA processing is required before prokaryotic transcripts can be translated. B) Translation can begin while transcription is still in progress. C) Prokaryotic cells have complicated mechanisms for targeting proteins to the appropriate cellular organelles. D) Unlike eukaryotes, prokaryotes require no initiation or elongation factors.