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

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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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