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

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

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

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

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

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

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

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

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

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

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

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

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) 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