If a lake never turns over what happens to the surface dwelling organisms

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

What amino acid is coded for by this sequence after the mutation