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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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