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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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