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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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