Solutions
-1, +1 Correct Answers nucleosomes that flank the NFR
20-30 Correct Answers a typical PCR involves this many
cycles
A, G Correct Answers purines
acetylation, methylation, phosphorylation Correct Answers
methods of histone modification
activators Correct Answers proteins that increase transcription,
bind to enhancers
adult stem cells Correct Answers multipotent/unipotent cell
exaple
alkylated bases Correct Answers EMS causes
alkylating agents Correct Answers add methyl or ethyl groups
to bases
allosteric Correct Answers contains two different binding sites
Ames test Correct Answers tests to see if an agent increases the
reversion rate (His- to His+)
anabolism Correct Answers [catabolism or anabolism]
typically repressible
, antibody Correct Answers proteins that are used in the immune
system
antisense RNA Correct Answers regulate translation in
prokaryotes via **
apurinic (AP) site Correct Answers DNA site that is missing a
purine base
base analogs Correct Answers become incorporated into
daughter strands during DNA replications
base modifiers Correct Answers covalently modify the
structure of a nucleotide; cause base substitutions
base modifiers, intercalcating agents, base analogs Correct
Answers types of chemical mutagens
bidirectional Correct Answers orientation independent, can
function in the forward or reversee orientation
binding of effector molecule, protein-protein interactions,
covalent modifications Correct Answers common ways that the
function of regulatory transcription factors can be affected
block the ribosome, stabilize mRNA secondary structure
Correct Answers how translational repressors inhibit translation
C, T Correct Answers pyrimidines