The Ixodes tick can infect humans with Borrelia burgdorferi during which stage(s) of its life cycle?
A) only as a larva
B) only as a nymph
C) only as an adult
D) either as a nymph or an adult
E) either as a larva or a nymph
D
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snoRNPs are found in the nucleolus. Two functions of these complexes include:
A. rRNA processing. B. tRNA processing. C. adding methyl groups to rRNA. D. adding methyl groups to tRNA. E. transcription of 5S rRNA.
You have been asked to design a synthetic DNA motif, able to bind transcriptional regulatory proteins. The location on this motif that you will design for protein binding is the
A. sugar backbone of the DNA double helix. B. phosphate backbone of the DNA double helix. C. available hydrogen-bonds of bases in single-stranded DNA. D. major groove of the DNA double helix. E. minor groove of the DNA double helix.
Athlete's foot is caused by a(n) ________
A) fungus B) insect C) bacterium D) virus
Assuming you have a typical plasma membrane at room temperature, which of the following conditions would cause an increase in membrane fluidity?
Group of answer choices 1. Increasing the length of the fatty acid chain. 2. Increasing the degree of lipid saturation 3. Increasing the number of un-saturated bonds in glycerol. 4. Increasing the number of double bonds in the fatty acid chains 5. Decreasing the length of the fatty acid chain. 6. Decreasing the size of the phospholipid head group. 7. Adding additional cholesterol Decreasing the number of un-saturated bonds in glycerol. 8. Removing some of the membrane cholesterol 9. Decreasing the degree of lipid saturation 10. Lowering the room temperature 11. Increasing the size of the phospholipid head group.