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

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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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