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

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

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

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

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

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

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

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

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

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

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) 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) True
B) False

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