C, because alleles are alternative forms of a gene that arise from mutation.
Answer: Because 1 is a smaller number
Explanation:
What contains the different kind of molecules is the answer is D
Answer:
An individual skeletal muscle may be made up of hundreds, or even thousands, of muscle fibers bundled together and wrapped in a connective tissue covering. Each muscle is surrounded by a connective tissue sheath called the epimysium. Fascia, connective tissue outside the epimysium, surrounds and separates the muscles.
Explanation: