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

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) Rectangular
C) Double Helix
D) Circular
E) Single Helix

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

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

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

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

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

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

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

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

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

A) True
B) False

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