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

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

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

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

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

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

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

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

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

A) 100 (50 pairs)
B) 50 (25) pairs
C) 20 (10 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) Half a chromosome
B) Another name for DNA
C) A section of DNA that contains the genetic code
D) Another name for chromosomes