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

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

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

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

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

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

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

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

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

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

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

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

A) 0 (there is no nucleus)
B) 23 (half that of a normal human cell)
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