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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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