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

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

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

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

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

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

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

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

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

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

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

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) 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) True
B) False

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