Chromosomes are made of and are found in the
of cells.

A. RNA/nucleus
B. proteins/cytoplasm
C. DNA/nucleus
D. DNA/cytoplasm

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

What is a codon and where is it found

Aperson with age is more likely to catch diseases that healthy people usually don’t catch. what are these infections called?