. General swelling of lymph nodes throughout your body — which may indicate an infection, such as HIV or mononucleosis, or an immune disorder
Swollen lymph nodes usually occur as a result of exposure to bacteria or viruses
Answer:
1. The plasma membrane allows some substances to enter or leave a cell more easily than others.
Explanation:
The plasma membrane is selectively permeable membrane that surrounds the cell cytoplasm and organelle of cell. The plasma membrane is selectively permeable because it allows some substance to pass through it more easily by simple diffusion and some substance through carrier and channel proteins.
The plasma membrane allows selective molecules to pass through it. Small and lipophilic molecules can cross the membrane by diffusion but large and ionic molecules require transport proteins. Some transport proteins need ATP energy to transport molecules across the membrane. Therefore the right answer is 1.
Answer:
What is with the beginning piece?
Explanation:
Have a great day, and spread some positivity!
Answer:
D. phototropism.
Explanation:
Phototropism is the behavior of an organism in which it reacts to sunlight. <u>Tropical trees show an example of phototropism</u> - they need the sunlight and that is why they tend to grow taller and towards the source of light. This is called <u>positive phototropism.</u>
A type of phototropism where plants grow away from the sunlight is called <u>negative phototropism</u>.
