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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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