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

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

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

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

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

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

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

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

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

A) the red blood cell
B) the DNA strand
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) 23 (half that of a normal human cell)
C) 92 (double a human cell)
D) 46 (same as a human cell)

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) False
B) True

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