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

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

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

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

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

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

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

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

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

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

A) True
B) False

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