A) Phosphate groups
B) Nucleotides
C) Bases
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) Triangular
C) Double Helix
D) Rectangular
E) Circular

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

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

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

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

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

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

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

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

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

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