Unit 1: Human Cells: Chapter 2: DNA Structure & Replication Flashcards
1
Q
What does DNA stand for? And what is it?
A
Deoxyribonucleic acid.
Complex molecule of inheritance present in al living cells, which stores genetic information in its sequence of bases.
2
Q
What is a nucleotide? And what does it consist of?
A
Nucleotide is one of many repeating units on a strand of DNA. A DNA nucleotide consists of a molecule of deoxyribose sugar joined to a phosphate group and an organic base.
3
Q
How are nucleotides joined?
A
A strong chemical bond between the phosphate group of on nucleotide and the carbon 3 of the deoxyribose
