DNA and Cell Replication Flashcards
(BIOL 239 review lol) fyi: I'll come back to make notes on this later
What is the shape of DNA?
A double helix
What is the basic unit of DNA?
a nucleotide
What are the 3 things a nucleotide is made of?
a (deoxyribose) sugar, a phosphate group, nitrogenous base
What are the nitrogenous bases?
A, T, C, G
What is dominant allele?
When you need only one copy to express it
What is recessive allele?
When you need both copies to express it
What is mitosis?
When a somatic cell is split into two identical daughter cells
A somatic cell split into two identical daughter cells is called what?
Mitosis
What is meiosis?
When a sex cell (gamete) splits into 4 daughter cells with half as many chromosomes
A sex cell (gamete) splits into 4 daughter cells with half as many chromosomes is called what?
Meiosis
When DNA is “reinterpreted” into mRNA as blueprint for polypeptide is called?
Transcription
What is DNA transcription?
When mRNA is made from DNA for polypeptide
What is translation?
When mRNA is used to make polypeptides + proteins
When mRNA is used to make polypeptides + proteins is called?
Translation
