dna in prokaryotic / eukaryotic cells

Question 1

how is DNA similar in prokaryotic and eukaryotic cells?

Answer 1

• same DNA nucleotide
• double helix

Question 2

how is DNA different in prokaryotic and eukaryotic cells?

Answer 2

eukaryotic
- chromosomes , has histones , has introns , bigger

prokaryotic
- loop , no histones , no introns , smaller

Question 3

what is DNA like in eukaryotic cells?

Answer 3

linear DNA
in chromosomes
found in the nucleus
wound around histones

Question 4

what is DNA like in prokaryotic cells?

Answer 4

short and circular
not wound around histones

Question 5

what is a gene?

Answer 5

a sequence of DNA based that codes for a polypeptide or a functional RNA molecule

Question 6

what is a triplet/codon?

Answer 6

a sequence of 3 bases

Question 7

what is a genome?

Answer 7

the complete set of genes in a cell

Question 8

what is a proteome?

Answer 8

the complete number of different proteins a cell is able to make

Question 9

what are exons?

Answer 9

non coding parts of a gene

Question 10

what are multiple repeats?

Answer 10

DNA sequences that repeat over and over and don’t code for an amino acid

Question 11

what is an alleles?

Answer 11

different types of the same gene/polypeptide