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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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