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

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

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

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

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

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

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

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

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

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

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

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

A) 46 (same as a human cell)
B) 0 (there is no nucleus)
C) 23 (half that of a normal human cell)
D) 92 (double 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 chromosomes
D) Another name for DNA