What is cancer?

addition of new cells to replace damaged cells

DNA replication

cellular death

uncontrolled cell division

Which one of these statements about the human genome is true? a) 1.5% of DNA is 'junk' with no known function. b) Non protein-coding DNA controls which genes are switched on or off. c) Only 25% of DNA codes for proteins. d) There are 100 000 genes.

Fluid-like substance inside a cell

Why are mitochondria often called the powerhouses of cells?

A single-view, frontal x-ray of the chest was taken and the radiologist provided only the supervision and interpretation for the procedure. what is the correct cpt code assignment for the radiologist's services?

Why is it important that the dna molecule be able to make copies of itself?

What is the body of a sponge is covered with many small opening?

Population Growth Which of the following refers to the movement of individuals out of a particular area? A. Immigration B. Emigration C. Transporting Population growth is a big concern for ecologists.

How does a caterpillar get it's energy?

What do scientists think forms the Moon's core?

What organ stores bile when food digestion is not occurring?