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

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

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

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

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

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

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

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

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

A) 46 (23 pairs)
B) 20 (10 pairs)
C) 100 (50 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) 23 (half that of a normal human cell)
B) 92 (double a human cell)
C) 46 (same as a human cell)
D) 0 (there is no nucleus)

A) False
B) True

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