#Question id: 11195
#Unit 7. System Physiology – Animal
Action potentials move along axons ________.
#Question id: 14810
#Unit 4. Cell Communication and Cell Signaling
#Question id: 709
#Unit 1. Molecules and their Interaction Relevant to Biology
A sequence of amino acids in a certain protein is found to be -Ser-Gly-Pro-Gly-. The sequence is most probably part of a(n):
#Question id: 10933
#Unit 1. Molecules and their Interaction Relevant to Biology
Imidazole ring is the characteristic of which amino acid
#Question id: 4256
#Unit 2. Cellular Organization
With respect to CpG islands in our genomic DNA, which, if any, of the following descriptions do not apply?
1) frequently occurring (there are about 30,000 in the human genome).
2) long DNA sequences (typically from 10 kb to 100 kb in length).
3) low CG dinucleotide frequency.
4) frequently associated with transcriptional start sites.