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

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

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

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

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

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

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

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

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

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

A) 46 (23 pairs)
B) 20 (10 pairs)
C) 50 (25) pairs
D) 100 (50 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) 46 (same as a human cell)
B) 0 (there is no nucleus)
C) 92 (double a human cell)
D) 23 (half that of a normal human cell)

A) False
B) True

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