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

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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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