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

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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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