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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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