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

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

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

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

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

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

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

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

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

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

A) 100 (50 pairs)
B) 46 (23 pairs)
C) 50 (25) pairs
D) 20 (10 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) 46 (same as a human cell)
B) 0 (there is no nucleus)
C) 92 (double a human cell)
D) 23 (half that of a normal human cell)

A) True
B) False

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