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

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

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

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

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

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

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

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

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

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

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

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

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