🌵nucleotides🌵

what 2 bases are purines?

A

G

what is the role of DNA helicase?

breaks H bonds to form 2 template strands

what 3 bases are pyrimidines?

C

U

T

collagen has how many chains?

3

what structure is collagen?

secondary

actin has how many chains?

1

what structure does actin have?

tertiary

ADP+P → ATP what is this process called?

phosphorylation

what breaks down histones?

protease

and H bonds weak or strong?

weak

what enzymes are used in dna replication?

dna helicase to break h bonds, dna polymerase to form back bone

what is involved in transcription?

rna polymerase, dna, mrna, free rna nucleotides, nuclear pore

what is involved in translation?

ribosomes, mrna, trna, amino acids, rrna, polypeptide chain

what does rna polymerase form?

hydrogen bonds between rna nuclotides

what does degenerate mean?

multiples codes code for same amino acid

how many rings does a pyrimifine base have?

one