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

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

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

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

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

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

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

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

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

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

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

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

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) False
B) True

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