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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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