Seniors can learn from the younger generation to better appreciate the banal moments of the day and be more open to sharing moments, thoughts, or ideas with friends and family, no matter how trivial it might seem.
Answer:
l think it is the force of gravity
Explanation:
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Answer:
There is a relationships between the number of stomata and the environment.
Explanation:
The small pores beneath the epidermis of a leaf is the stomata from theis opening gaseous exchange takes place,water evaporates and oxygen goes out. Stomatal density may increase or decrease the response due to environmental variations in the presence of sunlight and water availability. The opening and closing of stomata are controlled by guard cells. Through the stomata the process of transpiration occurs. the roots absorb water and excess of water evaporates by means of stomata.One fact is leaves under sunlight have higher stomatal density than leaves under shade.
The definition to this question is trophic level refers to a level or a position in a food chain or ecological pyramid. It is occupied by a group of organisms that have a similar feeding mode. You can just look it up I here is some help go to this website www.biology-online.org/dictionary/Trophic_level it will tell you all about it
Answer:
The correct answer is: deposition of interferon on bacterial cells.
Explanation:
Phagocytosis is the mechanism by which a cell uses its plasma membrane to ingest a big particle, forming a phagosome within the cell. It's a form of endocytosis used by the <u>immune system to eliminate pathogens such as </u><u>bacteria </u><u>and cell debris</u>.
Phagocytosis can be enhanced through various ways when an infection is taking place in the body. For example, cytokines and TNF are secreted by different kinds of cells to stimulate this process - for these cytokines to be released, certain parts of the bacteria called PAMPs need to be recognized by specific receptors located in phagocytes and epithelial cells called TLRs. Another way to stimulate this mechanism is by depositing complement fragments on bacterial cells, which is done thanks to the Complement cascade, a system of great importance in the innate immune response against extracellular bacteria - these fragments will opsonize ("mark") the pathogens for the phagocytes to recognize them and engulf them.
Interferon, on the other hand, while hugely important on the immune response against viruses and other pathogens that infect our cells by entering them and using their organelles to replicate and translate proteins, is not an enhancer of phagocytosis, as it is mostly involved in the translation of genes that will lead to the infected cell's death.
