Genetics Quiz 1 Flashcards
What is the shape of two connected strands of DNA
A ladder
The two strands connected together in DNA go ______ ways
Opposite
What letters connect with each other on DNA
G:C A:T
What are the base pairing rules
A=T and C=G ; There are equal amounts of A for T and C for G.
A and T have what charges
+,-
G and C have what charges
C: - - + , G: - + +
What are the three parts of a nucleotide
Phosphate, sugar, and base
What part of a nucleotide makes up the center of a DNA molecule
Base pair
Base pairs are connected using ____________
Hydrogen bonds
What is the word for describing the strands of DNA going different directions
Anti-parallel
DNA can be ______ among organisms
Transferred
Sugar and phosphate are connected by a ______ bond
Covalent
What are the functions of DNA
The blueprint of a cell, genetic material, to reproduce, to grow and develop, to maintain homeostasis
The replication of DNA takes place during what phase of the cell cycle
S phase
DNA replication makes ______ copies of DNA and replicates ______ of the DNA
Two ; all