A) Phosphate groups
B) Nucleotides
C) Bases
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) Triangular
B) Circular
C) Double Helix
D) Single Helix
E) Rectangular

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

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

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

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

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

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

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

A) 20 (10 pairs)
B) 100 (50 pairs)
C) 50 (25) pairs
D) 46 (23 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) 23 (half that of a normal human cell)
B) 46 (same as a 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