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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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