genes and proteins Flashcards
nucleic acid that carries genetic information in cells and consists of 2 complementary chains of nucleotides wound in a double helix
DNA
large molecule consisting of one or more chains of amino acids necessary for cell function
protein
building block of protein molecules
Amino acid
a group of single stranded nucleic acids that is necessary for transcription and translation
RNA
3 adjacent nucleotides in DNA or RNA that code for a specific amino acid in a protein
Codon
a change in the DNA sequence of a gene
mutation
structures of DNA and protein in the nucleus of cells where genes are located
Chromosomes
nuclear division characterized by chromosome replication and formation of 2 identical daughter nuclei
mitosis
what is Dna made of
bases in a double helix
can DNA leave the nucleus
no
since DNA cannot leave the nucleous a portion of it is copied by making ____
RNA
what does the RNA travel through
ribisomes
DNA making RNA is ____
Transcription
RNA making Protein is ____
Translation
what are the 3 types of mutations
Substitution, deletiton, and insertion