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

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

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

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

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

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

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

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

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

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

A) 20 (10 pairs)
B) 100 (50 pairs)
C) 50 (25) pairs
D) 46 (23 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) 23 (half that of a normal human cell)
D) 0 (there is no nucleus)

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