A) Nucleotides
B) Bases
C) Sugar Molecules
D) Phosphate groups

A) G, T and C Bases
B) Phosphate groups, deoxyribose sugars and nitrogen rich bases
C) Genes and Chromosomes X and Chromosomes Y
D) Acids, Bases and inorganic salts

A) Double Helix
B) Triangular
C) Rectangular
D) Circular
E) Single Helix

A) phosphate and base molecules
B) phosphate and sugar molecules
C) sugar and base molecules
D) base molecules

A) sugar molecule pairs
B) phosphate and base molecules
C) nitrogen-rich base pairs
D) phosphate and sugar molecules

A) 2
B) 6
C) 4
D) 8
E) 0

A) C
B) G
C) T
D) A

A) A
B) C
C) G
D) T

A) 4
B) 2
C) 8
D) 0

A) the DNA strand
B) the gene
C) the nucleus of the cell
D) the red blood cell

A) 50 (25) pairs
B) 20 (10 pairs)
C) 46 (23 pairs)
D) 100 (50 pairs)

A) 23 (half that of a normal human cell)
B) 46 (same as a human cell)
C) 92 (double a human cell)
D) 0 (there is no nucleus)

A) 0 (there is no nucleus)
B) 23 (half that of a normal human cell)
C) 46 (same as a human cell)
D) 92 (double a human cell)

A) False
B) True

A) A section of DNA that contains the genetic code
B) Half a chromosome
C) Another name for DNA
D) Another name for chromosomes