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

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

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

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

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

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

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

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

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

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

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

A) 92 (double a human cell)
B) 46 (same as 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) A section of DNA that contains the genetic code
C) Another name for DNA
D) Another name for chromosomes