Chromosomes Flashcards
1
Q
Where are chromosomes found?
A
They are found in the nucleus.
2
Q
What are chromosomes?
A
Chromosomes are coiled up lengths of DNA molecules.
3
Q
How many chromosomes are in a nucleus?
A
There are 23 PAIRS of chromosomes in the nucleus and total 46 single chromosomes.
4
Q
what are the 4 nucleotide in DNA?
A
A,T,C and G.(A always pair with T and C always pairs with G).
5
Q
What is the structure of DNA?
A
DNA is a polymer composed of two polynucleotide chains that coil around each other to form a double helix.
6
Q
What is a gene?
A
A small section of DNA on a chromosome.
