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

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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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