Answer:
The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress. ... Plant cell walls are primarily made of cellulose, which is the most abundant macromolecule on Earth. Cellulose fibers are long, linear polymers of hundreds of glucose molecules.
Explanation: brainliest
The answer is The Doppler Effect. It is named after the Austrian physicist Christian Doppler, who described the phenomenon in 1842.
Answer:
In double-stranded DNA, the molecular double-helix shape is formed by two linear sugar-phosphate backbones that run opposite each other and twist together in a helical shape. The sugar-phosphate backbone is negatively charged and hydrophilic, which allows the DNA backbone to form bonds with water.
<span>The types of skeleton depend on where they are located. Earthworms have hydroskeleton because their rigid bodies are based on water pressure so it's hydro then. Endo is found in animals like birds and also humans who have it inside. Exo is found in spiders because they are bugs and bugs have their skeletons like a shell that covers them.</span>
Answer:the answer should be Different locations of extinct organisms on earth
Explanation:
