Which of these describes the function of the cell membrane? 1. Maintaining homeostasis
2. Cell division
3. Producing energy
4. Protein synthesis

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

Give an example of a trait that is controlled by more than one gene.