What two substances control the movement of materials into and out of the cell

Which statement most accurately explains why cholesterol and phospholipids are amphipathic but fats are not?

The statements below are all true. Some of them represent important reasons why the giant impact hypothesis for the Moon's formation is taken seriously, and some of them are not relevant to deciding between this and other hypotheses.

Archaea and bacteria both use whiplike structures in similar ways for locomotion, but the structures have different origins. this is an example of convergent evolution.

What is the difference between bioclastic and organic sedimentary rocks?

What type of dating did scietist use to determine the earths age

A wilted plant returns to an upright position after being watered. Did this an example of the effects of which of the following forces? A; Geotropism B; gravity C; Tugor pressure D; thermal gradient

What is the gel-like substance that gives shape and structure to the cell?

What type of biological macromolecules make up "Gene 1"? Remember there are four types: Proteins, Nucleic Acids, Carbohydrates, and Lipids. Justify your answer. (Hint: You may want to reference chapter 17 in our book).

What causes variations in traits of organisms?

Which statement supports the theory that chloroplasts evolved from cyanobacteria A. Chloroplast have DNA. B. Chloroplast are created by cells. C. Chloroplast last lack an outer membrane. D. Chloroplasts synthesize their own proteins.