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

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

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

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

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

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

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

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

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

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

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

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) True
B) False

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