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

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

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

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

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

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

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

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

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

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

A) 100 (50 pairs)
B) 20 (10 pairs)
C) 46 (23 pairs)
D) 50 (25) 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) 0 (there is no nucleus)
D) 92 (double a human cell)

A) True
B) False

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