dna Flashcards
(32 cards)
which nucleotides are prunes?
adenine and guanine
which nucleotides are pyrmdines
thymine and cytosine
what makes up the back bone of dna
phosphate group and deoxyribose
what bonds hold the sugar phosphate backbone together
covalent bond
what determines your code for life?
nitrogen bases
what bonds hold the base pairs together
hydrogen bonds
what age does replication occur
synthesis
what must happen to dan before it replicates
unwind and unzip
RNA
nucleic acid that stores and transmits hereditary informtaion
what is the sugar in RNA and DNA
RNA- ribose DNA-deoxyribose
which is single stranded and double stranded
RNA- single DNA- double
what is in place of thymine in RNA
uracil
RNA’s primary function is
protein synthesis
what is MRNA
messenger RNA
job of mRNA
carries copies of instructions for assembling amino acids from DNA
location of mRNA
nucleus to cytoplasm to ribosome
rRNA is
ribosomal RNA
job of rRNA
part of ribosomes
location of rRNA
ribosome
tRNA is
transfer RNA
job of tRNA
transfers each amino acid to ribosome
location of tRNA
cytoplasm
translation def
decoding of mRNA message into protein chain
translation takes place in
cytoplasm
