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

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

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

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

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

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

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

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

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

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

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

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

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