3. cell wall
The cell wall is a rigid supporting structure.
Answer:
The visible bodies of water are referred to as surface water. The majority of fresh water is actually found underground as soil moisture and in aquifers. Groundwater can feed the streams, which is why a river can keep flowing even when there has been no precipitation.
Explanation:
An autonomous car is a vehicle capable of sensing its environment and operating without human involvement. A human passenger is not required to take control of the vehicle at any time, nor is a human passenger required to be present in the vehicle at all. An autonomous car can go anywhere a traditional car goes and do everything that an experienced human driver does.
Answer:
The correct answer is : * Membrane carbohydrates function primarily in cell-cell recognition.
Explanation:
The carbohydrates (poly or oligosaccharides) associated with the plasma membrane, are covalently bound to it (to proteins or lipids). They are found in the outer part of the plasma membrane forming the glycocalix. Its main functions are:
-Cell recognition
-Support to the membrane.
Benedict's reagent is solution of copper sulfate,sodium carbonated,and sodium citrate
