DNA notes Flashcards
1
Q
What nitrogen bases are pyrimidines?
A
Thymine and Cytosine
2
Q
What nitrogen bases are purines?
A
Adenine and Guanine
3
Q
What is the “Base-Pair-Rule”?
A
Adenine bonds with thymine, Guanine bonds with cytosine
4
Q
What are bases comprised of?
A
Deoxyribose sugar and phosphate
5
Q
What is RNA?
A
Smaller nucleic acids sent by the nucleus to direct the behavior of a cell and it’s organelles.
6
Q
What is messenger RNA (mRNA)
A
A type of RNA sent by the nucleus to direct ribosomes into creating proteins.
7
Q
What does RNA have instead of Thymine?
A
Uracil.
8
Q
What is DNA replication?
A
A process in which DNA tears strands and the single strand becomes DNA for a new cell.
9
Q
Why is the nucleus the control center of the cell?
A
Directs the cell behavior
10
Q
A
