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

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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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