A) Nucleotides
B) Bases
C) Phosphate groups
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) Circular
B) Rectangular
C) Triangular
D) Double Helix
E) Single Helix

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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