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

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) Single Helix
C) Triangular
D) Circular
E) Double Helix

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

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

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

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

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

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

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

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

A) 0 (there is no nucleus)
B) 46 (same as a human cell)
C) 23 (half that of a normal human cell)
D) 92 (double 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) Another name for DNA
B) Half a chromosome
C) Another name for chromosomes
D) A section of DNA that contains the genetic code