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

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

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

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

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

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

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

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

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

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

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

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) 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) False
B) True

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