Which molecule is composed of two chains which coil around each other to form a double helix carrying the genetic instruction used in the growth and development of living organism?

Why is DNA called the "blueprint of life"?

What is the shape of a DNA molecule?

Which of the following is NOT a component of a DNA nucleotide?

The DNA has a double – helix structure forming a twisted ladder. The backbone and steps of the ladder is composed of individual nucleotides bonded together. What are the important biological compounds that make up the backbone of the DNA molecule?

Which is NOT TRUE about a DNA nucleotide?

Which of the following pairs of nitrogenous bases is correct?

Bases in a DNA are complementary. Which is true of its complementary base if there are 35 Thymine in the DNA strands?

Bases in a DNA are complementary. Which is true about complementary base pairing if there are 20 Guanine in the DNA strand?

What is the complimentary strand of this complete DNA strand? T A C G A C

Where does DNA store inside the cell?

Which of the following ideas is TRUE about DNA molecule?

Which of the following BEST describes a gene?

Which is TRUE about a chromosome?

Which is TRUE about the number of chromosomes in humans?

Which of the following concepts is correct?

Which of the following conditions will result to a female child?

Which term refers to the union of egg and sperm cells to form a new organism?

Which of the following happens to form gametes (sex cells) among male and female organism?

Which of the following determines the sex of an organism?