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

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

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

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

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

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

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

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

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

A) the nucleus of the cell
B) the red blood 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) 92 (double a human cell)
D) 0 (there is no nucleus)

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) True
B) False

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