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

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

A) Single Helix
B) Circular
C) Triangular
D) Double 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 base molecules
C) nitrogen-rich base pairs
D) phosphate and sugar molecules

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

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

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

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

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

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

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

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

A) False
B) True

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