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

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

A) Circular
B) Double Helix
C) Triangular
D) Rectangular
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) phosphate and base molecules
C) phosphate and sugar molecules
D) sugar molecule pairs

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

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

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

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

A) the red blood cell
B) the DNA strand
C) the gene
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) 92 (double a human cell)
C) 46 (same as a human cell)
D) 0 (there is no nucleus)

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

A) True
B) False

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