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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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