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

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) Rectangular
D) Circular
E) Double Helix

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

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

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

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

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

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

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

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

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

A) False
B) True

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