Hello!
Since you didn't provide us with any options, I'll list them for you:
- Smooth ER
- Golgi
- Mitochondria
- Rough ER
- Nucleus
This list is for an animal cell. It varies among the 3+ types of cells, so feel free to specify what type your worksheet is referring to in the comments and I'll help you out!
Answer:
control what goes in and out of the cell
Answer: The main structure is called the stamen, which can be divided into two parts: the anther, which produces the pollen grains, and the stalk-like filament.
Explanation:
I copied this off a website.
Since you did not give a list of choices,here are some reasons why l<span>iving cells cannot use heat to provide the activation energy for biochemical reactions:
</span>
>Heat can never be used to do work.
>Heat is not readily available to all living cells.
>Heat doesn't provide the activation energy for their reactions.
