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

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

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

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

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

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

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

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

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

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

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) True
B) False

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