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

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

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

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

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

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

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

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

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

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

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

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

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