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

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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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