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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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