Dna Flashcards
(13 cards)
Where is DNA found in a cell?
In the nucleus
What does DNA carry?
Genetic information
How is DNA organized in terms of chromosomes?
In pairs of chromosomes
How many chromosomes are found inside a human cell?
46
What is the structure of DNA?
A double stranded helix held
What are the four bases that make up the genetic code?
- Adenine
- Thymine
- Cytosine
- Guanine
What is the base pairing rule in DNA?
A-T, G-C
What is a section of DNA that codes for a protein called?
A gene
What determines the amino acid sequence in proteins?
The base sequence of DNA
What is made up of three bases?
A codon
What is messenger RNA (mRNA)?
A molecule which carries a complementary copy of DNA
Where are proteins assembled from amino acids?
The ribosome
Fill in the blank: DNA is found in pairs of _______.
chromosomes