What is a flame cell? What is it's purpose?

Thylakoids are the parts of a chloroplast that holds a. stroma. b. chlorophyll. c. nucleoli. d. none of the above I think its either A or B

If the findings described in part B are correct, do the finches that are described fit the category of reproductive isolation. Why or why not?

A scientist is studying an organism and has classified it as an animal. Which statement must be true about the organism? A) It is multicellular. B) It displays radial symmetry. C) It has a backbone. D) It contains cells without nuclei.

The vaccine in a flu shot contains weakened flu viruses. How does a flu shot work with the immune system? A. It destroys lymphocytes. B. It destroys macrophages. C. It activates macrophages. D. It activates lymphocytes.

The plasma membrane of a cell is selectively permeable, which means it_ A. controls B. is responsible for asexual reproduction C. allows some materials to pass D has a carbohydrate foundation

The reduction of the chromosome number during meiosis is most important for: a. keeping the amount of DNA in the cell at a minimum level b. preventing the nucleus from becoming larger with each cell division c.

Mother half shaved half head and no makeup - feminism?

Which is the correct explanation for 40°N latitude? A. all positions along a circle that runs parallel to the equator and 40° south of it B. all positions along a circle that runs perpendicular to the equator and 40° west of it C.

Do you think it would be possible to construct a pyramid where the number of carnivores was more than then number of herbivores?

Which is an outer planet? Mars Saturn Mercury Venus