which histone ties DNA-histone nucleosome beads into more condensed structures? Correct Answer H1
is DNA acidic or basic? Correct Answer acidic
what type of aa are histones made of? are they acidic or basic? Correc
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which histone ties DNA-histone nucleosome beads into more condensed structures? Correct Answer H1
is DNA acidic or basic? Correct Answer acidic
what type of aa are histones made of? are they acidic or basic? Correct Answer lysine and arginine; basic
is heterochromatic more accessible or less accessible to TF? euchromatin? Correct Answer less; more
if a cell has a hyperchromatic or condensed nucleus is it undergoing transcription etc? Correct Answer no
what are chromosomes? during what part of the cell cycle are they found? in what pathologic state would you see a lot of chromosomes? Correct Answer highly condensed forms of DNA; mitosis; neoplasia- highly dividing and thus hyperchromatic
what experiment is chromosomes used for? Correct Answer karyotyping
are histones in heterochromatin or euchromatin more methylated? which had more acetylated histones? Correct Answer heterochromatin; euchromatin
what does guanine have on it? Correct Answer a ketone
what does thymine have on it? Correct Answer a methyl
deamination of what pyrimidine makes what? Correct Answer cytosine to uracil
in what genetic code is uracil found in? in replace of what? Correct Answer uracil; thymine
how many bonds does a G-C connection have? what type of bonds? how about a A-T? Correct Answer 3 hydrogen bonds; 2 hydrogen bonds
what amino acids are required in purine synthesis? which of these does pyrimidine synthesis require also? Correct Answer glutamine, aspartate, glycine; aspartate
what is the difference between a nucleotide and a nucleoside? Correct Answer nucleoside is just the ribose plus the base; nucleotide is the ribose plus the base but the phosphate bond
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