Cholesterols are typically found in ________ cytoplasmic membranes
A) eukaryotic
B) bacterial
C) archaeal
D) prokaryotic
E) both eukaryotic and prokaryotic
A
Bloom's Taxonomy: Comprehension
Section: Eukaryotic Cell Walls and Cytoplasmic Membranes
Learning Outcome: 3.31
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Answer the question using the accompanying figure. The letter “A” represents ____
a. rapid growth b. negative growth c. prereproductive populations d. postreproductive populations e. zero growth
Why do pine trees have two different types of cones?
A) One type produces the gametophyte, the other type produces the sporophyte. B) One type produces ovules, the other type produces pollen. C) One type is produced in the fall, the other type is produced in the spring. D) One type produces seeds, the other type produces fruit.
In the tryptophan operon, low level of tryptophan nutrient results in the following events EXCEPT
A) that the synthesis of leader peptide is stalled. B) continuous transcription of the trp operon. C) that tryptophan repressor cannot bind to trp operator in the trp operon. D) synthesis of polycistronic mRNA of tryptophan structural genes. E) that regions 3 and 4 form a stem-loop.
The scientists usually given credit for disproving the theory of spontaneous generation of bacteria are
A) Tyndall and Pasteur. B) Luis and Walter Alvarez. C) Oparin and Haldane. D) Cech and Altman. E) Miller and Urey.