s What is phagocytosis? What function does it serve? Food for Thought Some botan

Question

s What is phagocytosis? What function does it serve? Food for Thought Some botanists consider the stoneworts to be a link between the higher plants and the algae. As you will learn in future exercises, higher plants, such as the mosses, have both haploid and diploid stages that are multioeltular a) Describe the multicellular organism in the charophytes. (tb) Is this organism haploid or diploid? (e) Is the sygote haploid or diploid? (d) is the zygote unicellular or multicellular? . (a) What color are the marker lights at the edge of an airport taxiway? (b) Are the wavelengths of this color long or short, relative to the other visible wavelengths? (c) Which wavelengths penetrate deepest into water, long or short? d) Make a statement regarding why phycobilin pigments are present in deep-growing red algae e) What benefit is there to the color of airport taxiway lights for a pilot attempting to taxi during foggy weather? s. Why do you suppose the Swedish automobile manufacturer Volvo chose this company name? 9. List hwo reasons why algae are useful and important to life. 10. It's generally accepted chlorophyl. Later, multicellular, chlorophyll-bearing organisms evolved. Speculate on how amoeba-like that the first life on Earth was unicellular and, while autotrophic, did not have opganisms that lacked chlorophyll might have obtained the ability to use chlorophyll to ca of the sun 78

Explanation / Answer

Ans:- Phagocytosis or cell eating reported first time by Metchnikoff describes the internalization of large particles following particle binding to specific plasma membrane receptors and by the formation of large endocytic vescles the size is generalyy greater than 250nm in diameter called phagosomes. phagocytosis ocur in specialized mammalian cells called macrophages. it is an active and highly regulated process involving cell specicific cell durface receptors and signalling cascades mediated by the Rho-family GTPases.

Functions:-

once the pathogen comes into the blood the antigens present on their surface are recognized and hence the antibodies do get attached to these antigens the phogocytes have receptors on their surface which bind these antigens already attached to these pathogens now the attached pathogen is engulfed by the phagocyte as membrane inwards and thus in this way the pathigen is trapped inside the phagocyte and is called as phagosome which inturn binds the lysosomes which contains the enzymes and hence breaksdown the pathogen.

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.