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

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

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

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

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

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

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

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

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

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

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

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

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) True
B) False

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