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

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

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

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

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

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

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

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

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

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

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

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