Plant cells perform photosynthesis, and possess chloroplasts and chlorophyll, while animals do not :)
Answer:
Option (4).
Explanation:
Phosphatidylinositol4,5-bisphosphate (PIP2) is the phospholipid present in plasma membrane. This lipid is important for the cell communication and cell signalling process.
The PIP2 can cleave and give two main products are DAG (diacylglycerol) and IP3 ( inositol 1,4,5-trisphosphate). These two molecules are important for the cell signalling.
Thus, the correct answer is option (4).
Answer: D. The smallest distance between two points that can be differentiated by the somatic sensory sy
Explanation:
the discrimination of two points is a test that assesses the possibility of distinguishing the contact of two separate points that are applied at the same time on the skin, the purpose is to define the minimum distance of separation with which the person can differentiate the separated stimuli
A muscle cell has more mitochondria <span>because mitochondria provides the energy for the cell and the muscle is a part of the body that does active processes that require energy. </span>
Increased demand for natural resources; need to enforce environmental laws and regulations; need to analyze human impact on the environment and to invent ways to restore it
