What is DNA? 1
The amount of adenine is always equal to the amount of ____ in DNA.
the amount of thymine
Complementary base pairs
DNA has 4 possible nucleotides...bases on one strand determine the bases on the other strand.
Why is DNA capable of holding so much information?
It is a very long molecule!
What are the four possible nitrogenous bases in DNA?
adenine (A), guanine (G), cytosine (C), and thymine (T)
The amount of guanine is always equal to the. amount of _______ in DNA.
amount of cytosine
What is the simple sugar called?
deoxyribose
What is the shape of DNA?
double helix (twisted ladder)
How do the bases of nucleotides hold the two strands of DNA together?
hydrogen bonds
DNA is a made of repeating building blocks (subunits) called?
nucleotides
The sequence of ________ forms the unique genetic information of an organism.
nucleotides
What forms the backbone of the DNA molecule?
phosphate group and the deoxyribose sugar molecules
What are the 3 parts of a nucleotide?
sugar, phosphate group, nitrogenous base
Base pair rule of DNA
Adenine : Thymine Cytosine : Guanine
Where is DNA?
DNA in the nucleus in every eukaryotic cell.
What are the functions of DNA?
-stores an organism's genetic material in the nuclei -copies itself when dividing -provides code for making a protein
What is DNA?
A very long molecule that looks like a twisted ladder.
What does DNA stand for?
DNA stands for deoxyribonucleic acid.