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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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