All cells have A. an internal fluid that gives shape to the cell and supports the other things within it.

B. All of the above

C. either a central zone or a nucleus that contains the cell’s genes.

D. a covering called a plasma membrane that surrounds the cell and controls what information and materials enter and leave it.

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation.c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation.d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism