They are sensitive to changes in arterial carbon dioxide, oxygen and Ph.
Explanation:
Answer 1)
Not 2 bc they don’t come from the soil, they are made by plants through photosynthesis.
Not 3 bc I’m pretty sure sugar is not the only source of food for plants.
Not 4, I’m not exactly sure why not 4, but my gut is saying 1.
Sorry the explanation is not super helpful.
Antigen presenting cell is a cell phagocytizes an antigen and displays fragments of it on its surface for recognition by other cells of the immune system
<h3>What is Antigen presenting cells?</h3>
An antigen-presenting cell refer to an immune cell that detects, engulfs, and pass a message to the adaptive immune response about an infection. When a pathogen is detected, the antigen presenting cells will engulf the pathogen and digest it to form many different fragments of the antigen.
Therefore, Antigen presenting cell is a cell phagocytizes an antigen and displays fragments of it on its surface for recognition by other cells of the immune system
Learn more about antigen presenting cell here.
brainly.com/question/13022436
Environmentalists are hoping to protect
<span>endangered organisms by calling for a reduction
in the use of pesticides, because loss of these
organisms would</span> <span>(3) reduce biodiversity in various ecosystems.</span>
Answer:
Movement of particles from a region of high concentration to a region of low concentration
Explanation:
- Diffusion can be defined as the movement of particles from a region of high concentration to a region of low concentration.
- Diffusion is a special type of diffusion that involves movement of solute molecules from a region of a high concentration to a region of high concentration until equilibrium is achieved.
- Diffusion is a passive transport of particles, which means it does not involve use of energy in the form of ATP like the case of active transport.
