Do any difference(s) detected in DNA sequence seem to correlate with a difference in amino acid sequence?
a. yes
b. no
b
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A hypothetical family of proteins consists of six similar but different proteins. Each of the six proteins can form transcription factors by forming homo- or heterodimers in combinatorial mixtures, each binding to different regulatory sites
Calculate the number of different dimeric structures that can be formed from the six proteins (and, thus, potential number of different regulatory sites that can be bound).
Genomics studies have shown that humans and rice share about ____ percent of their genomes
a. 1 b. 4 c. 8 d. 15 e. 25
Kuru is a degenerative disease of the central nervous system believed to be caused by which type of agent?
A) virus B) bacterium C) prion D) viroid E) protozoan
As ice melts
A) hydrogen bonds are broken. B) water molecules become less tightly packed. C) the water becomes less dense. D) heat is released.