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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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