Genes are small sections of

1.   ?    Ribosomes
   
2.   ?    Protein
3.   ?    DNA
4.   ?    Cells

DNA is found

1.   ?    in the nucleus
   
   
2.   ?    in the endoplasmic reticulum
3.   ?    in fossilized rocks
4.   ?    in the golgi complex

The shape of the DNA molecule is

1.   ?    ladder
   
2.   ?    double helix
3.   ?    circle
4.   ?    octagon

The two scientists who discovered the shape of DNA were

1.   ?    Proctor and Gamble
   
2.   ?    Newton and Rutherford
3.   ?    Watson and Crick
4.   ?    Adenine and Thymine

Which of the following can base pair to the strand illustrated?

1.   ?    TTAA
   
2.   ?    CCGG
3.   ?    TTCC
4.   ?     AAAA

During which phase of the cell cycle is DNA most actively replicating?

1.   ?    prophase
   
2.   ?    anaphase
3.   ?    interphase
4.   ?    metaphase

Chromosomes are made of

1.   ?    coils of proteins
   
2.   ?    coils of DNA
3.   ?    coils of yarn
4.   ?    coils of endoplasmic reticulum

Which of the following base pairs would NOT be found in a cell?

1.   ?    adenine thymine
   
2.   ?    thymine adenine
3.   ?    cytosine thymine
4.   ?    cytosine guanine

During which phase of the cell cycle is DNA most actively replicating?

1.   ?    prophase
2.   ?    anaphase
3.   ?    metaphase
4.   ?    interphase

The process in which DNA is copies before a cell divides is called

1.   ?    transcription
   
2.   ?    replication
3.   ?    estivation
4.   ?    base pairing

A sequence of three nitrogen bases in DNA makes up a(n):

1.   ?    codon
2.   ?     anticodon
3.   ?    nucleotide
4.   ?    triplet

The four bases in DNA are:

1.   ?     T, U, C, G
2.   ?    C, A, T, G,
3.   ?    U, A, C, G
4.   ?    T, U, A, G

The backbone of DNA is made up of sugar and:

1.   ?    phosphate
2.   ?    oxygen
3.   ?    Ribose
4.   ?    wate

Base pairs are held together by these bonds:

1.   ?    ionic
2.   ?    covalent
3.   ?     nitrogen
4.   ?    hydrogen