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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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