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

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

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

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

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

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

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

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

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

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

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