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

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

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

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

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

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

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

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

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

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

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

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

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