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

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

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

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

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

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

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

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

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

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

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

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

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) False
B) True

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