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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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