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

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) Double Helix
C) Circular
D) Rectangular
E) Single Helix

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

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

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

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

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

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

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

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

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

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