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

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

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

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

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

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

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

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

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

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

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

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