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

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

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

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

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

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

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

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

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

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

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