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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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