Answer:
Plasma membrane is also known as cell membrane which protects every living cells from outside environments.
- Plasma membrane composed of phospholipids bilayer embedded with highly charged molecules such as proteins and carbohydrates.
- Plasma membrane is selective in nature to ions (organic molecules) and regulates the movements of substances inside and outside of the cells. (regulates the transport of substances)
- Plasma membrane keeps out toxic substances from the cell acting as a barrier.
- They contain receptors and channels which allow specific molecules such as ion, nutrients, metabolic products, that mediate the extracellular and cellular activities.
RrTt ....means brown leaves and tall stems !
so answer is D !
Answer:
i think its fossil fuels but dont dont quote me on that
<u><em>Turtles are reptiles of the order Characterized by a special bony or cartilaginous shell developed from their ribs and acting as a shield.A turtle is faaster than a human,But it shell is heavy,and its house.</em></u>
Answer:
In scenario A A. Human biology
Which of the following disciplines would be most relevant?
B. Biology
Explanation:
In scenario A Australopithecus sediba arms are adapted for climbing in tree and its legs are adapted for walking on two legs. Australopithecus is related to homo habilis and also homo erectos. They are different human primate.
B. Biology because there are fossil remains dated to about 2 million years ago.