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

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

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

A) phosphate and sugar molecules
B) base molecules
C) sugar and base 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) 2
B) 4
C) 8
D) 0
E) 6

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

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

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

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

A) False
B) True

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