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

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

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

A) phosphate and sugar molecules
B) base molecules
C) sugar and base 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) 6
B) 4
C) 2
D) 0
E) 8

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

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

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

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

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

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

A) True
B) False

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