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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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