Answer:
<em>Measure the number of tumors formed on plants, which are exposed to Agrobacterium for different lengths of time.</em>
Explanation:
A scientific experiment comprises of an independent variable and a dependent variable. In the following example, the no.of tumours will be the dependent variable and the different lengths of time for which the plant will be exposed to the agrobacterium will be the independent variable.
The independent variable is the one which is changed so that its effect on the dependent variable can be studied.
D because they cannot produce their own food
Answer:
Osmosis helps cells maintain homeostasis because a cell needs to maintain a specific water balance so that chemical reactions can take place. Osmosis can also be used to balance out the concentration of other molecules (such as sugar or salt) present on either side of a cell membrane.
Explanation:
Homeostasis is the ability of a system to regulate its internal environment through maintaining a stable, relatively constant set of properties such as temperature and PH. Key Terms homeostasis : The ability of a system or living organism to adjust its internal environment to maintain a stable equilibrium, such as the ability of warm-blooded.
Hope this helps.
Answer:
During the mitotic (m) phase , the cell separates its DNA into two sets and divides it's cytoplasm forming two new cells
