A) Phosphate groups
B) Sugar Molecules
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) Double Helix
D) Rectangular
E) Circular

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

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

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

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

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

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

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

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

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

A) False
B) True

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