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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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