The organelle that maintains pressure against the cell wall, so that the plant cell keeps it shape, is

the

(a) central vacuole.

(b) rough endoplasmic reticulum.

(c) smooth endoplasmic reticulum.

(d) nucleus.

Select all that applys Which of the following statements are true?

What type of plankton is the major portion of the baleen whale's diet?

During the 1950s, a scientist named Lysenko tried to solve the food shortages in the Soviet Union by breeding wheat that could grow in Siberia.

Evolution Group of answer choices a. must happen, due to organisms' innate desire to survive. b. must happen whenever a population is not well adapted to its environment. c. requires the operation of natural selection. d.

Explain how the surface tension of water is important in the biological world

True or false? Gas particles never touch each other. A. True B. False

A butterfly young shed its skin a lot of time. Why does it needs to undergo the process if moulting?

What are three to nine chain carbohydrates called? A. Polysaccharides B. Monosaccharides C. Trisaccarrhides D. Oligosaccharides

What gas is necessary for the candle to efficiently burn?

Why aren't mineral deposits harvested from deep water?