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

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

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

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) sugar molecule pairs
D) nitrogen-rich base pairs

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

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

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

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

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

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

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

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