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

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

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

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

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

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

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

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

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

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

A) 100 (50 pairs)
B) 46 (23 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) 46 (same as a human cell)
C) 0 (there is no nucleus)
D) 92 (double a human cell)

A) False
B) True

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