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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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