Knockout mice have been genetically altered to knock out specific genes. How are these mice most often used in research

What are the result of when individual components in an organism interact with others to create noval stucture and function called

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Prior to the mt. st. helens eruption on may 18, 1980, satellite and topographic views of the volcano were captured. based on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m? question 9 options: 600 m 400 m 750 m 500 m