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

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) base molecules
D) phosphate and base molecules

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

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

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

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

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

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

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

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

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) False
B) True

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