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) Triangular
C) Double Helix
D) Circular
E) Single Helix

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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