A) Nucleotides
B) Phosphate groups
C) Bases
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) Single Helix
C) Double Helix
D) Triangular
E) Rectangular

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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