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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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