6) mRNA, tRNA, Amino Acids

What stores the codes for all of the proteins in a cell

only four DNA nucleotides

only four DNA nucleotides stores what?

the codes for all of the proteins in a cell

Only 20 different types of amino acids are used for what?

to build proteins

How much of what are used to build proteins?

20 different types of amino acids

Reading DNA sequences can allow you to determine what?

the amino acids that the DNA codes for

What allows you determine the amino acids that the DNA codes for?

reading DNA sequences

What transcribes DNA in the nucleus?

Messenger RNA

What does messenger RNA do?

transcribes DNA in the nucleus

Complementary mRNA molecules bind to what?

DNA nucleotides

What binds to DNA nucleotides?

complementary mRNA molecules

What happens when the mRNA leaves the nucleus and translation begins?

complementary nucleotides on a tRNA molecule must bind to the mRNA

When does complementary nucleotides on a tRNA molecules must bind to the mRNA?

When translation begins after mRNA leaves the nucleus

What are translated into one of 20 amino acids?

most three-nucleotide sequences in the genetic code

Most three-nucleotide sequences in the genetic code are translated into what?

one of the 20 amino acids

What is a codon?

the three nucleotide sequence in an mRNA molecule

The three nucleotide sequence in an mRNA molecules is called a what?

a codon

What are anticodons?

complementary tRNA molecules that have three-nucleotide sequences

What are complementary tRNA molecules that have three-nucleotide sequences?

anticodons

What happens during translation?

anticodons bind to an mRNA molecule that is bound to a ribosome

During what does anticodons bind to an mRNA molecule that is bound to a ribosome?

translation

What does each tRNA molecule carry

a specific amino acid

What carries a specific amino acid?

each tRNA molecule