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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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