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

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

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

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

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

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

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

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

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

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

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

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) 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) True
B) False

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