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

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

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

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

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

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

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

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

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

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

A) 50 (25) pairs
B) 20 (10 pairs)
C) 46 (23 pairs)
D) 100 (50 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) 46 (same as a human cell)
B) 92 (double a human cell)
C) 0 (there is no nucleus)
D) 23 (half that of a normal human cell)

A) False
B) True

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