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

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

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

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

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

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

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

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

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

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

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

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