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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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