Which substance is used for structure in plants?

A. Amylopectin

B. Cellulose

C. Collagen

D. Starch

How have increased carbon dioxide levels and temperature affected living organisms?

Is raphnobrassica an allotetraploid or autotetraploid

One reason that diseases caused by recessive alleles remain in populations is that

What is "static pressure" in Hearing Science? I will mark brainliest!

How does blood get around the body from the heart? What pieces of the heart does the blood go through?

Phylogeny refers to a. the evolutionary history of a group of related organisms. b. a group of organisms that includes an ancestor and all of its descendants. c. Darwin's method to classify organisms. d. all of the above

Vertebrae protect the cerebellum. true or false

Which of these is NOT a way that large molecules, like glucose, can enter a cell? A) diffusion through the cell membrane. B) facilitated diffusion through protein channels in the cell membrane.

The specialized functions of different membranes are largely determined by the blank they contain. Membrane lipids are blank molecules, composed of a hydrophilic portion and a hydrophobic portion.

Which of the following aren't eukaryotes? plants bacteria animals fungi