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

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) Single Helix
D) Double Helix
E) Circular

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

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

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

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

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

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

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

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

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

A) True
B) False

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