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

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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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