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

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

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

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

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

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

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

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

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

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

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

A) 0 (there is no nucleus)
B) 46 (same as a human cell)
C) 92 (double 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) 92 (double a human cell)
D) 46 (same as a human cell)

A) False
B) True

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