This is the normal nucleotide sequence on a DNA strand: A-C-T-G-G-A-T What is a substitution?

A-C-T-G-C-G-A-T

A-C-T-G-A-T

A-G-T-G-G-A-T

A-C-U-G-G-A-U

What is one byproduct of slash-and-burn clearing of the rain forest that is harming the atmosphere?

According to the theory of isotasy which statement must be true

The "blank" of light determines its color

The first line of defense involves which structure (s) ?

Lupus, a condition in which the body attacks its own cells, is an example of 1-an allergic disorder. 2-an immunodeficiency disorder. 3-a cancer of the immune system. 4-an autoimmune disorder.

Why does dna need to coppy before the cell divides

As líquid water freezes, the molecules take up more space than aqua water What do you think would happen if frozen water molecules required less space than liquid water molecules?

Which of the following mineral types can you use radiometric dating on? Homogeneous Inorganic Radioactive Ore

Which type of bond holds a water molecule together

Make a claim that answers the scientific question