A) Nucleotides
B) Sugar Molecules
C) Phosphate groups
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) Rectangular
B) Circular
C) Triangular
D) Double Helix
E) Single Helix

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

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

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

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

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

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

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

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

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

A) False
B) True

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