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) G, T and C Bases
D) Acids, Bases and inorganic salts

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

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

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

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

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

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

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

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

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

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

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) False
B) True

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