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

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

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

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

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

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

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

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

A) 4
B) 2
C) 8
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) 20 (10 pairs)
C) 100 (50 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) 92 (double a human cell)
B) 23 (half that of a normal human cell)
C) 0 (there is no nucleus)
D) 46 (same as a human cell)

A) True
B) False

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