Biology Topic 1

Topic 1.1 - Cell Theory 1.1.1 Discuss the theory that hold organisms argon composed of cells. All life story things atomic number 18 make of cells, and that cells lift from other cells. It is important to note that each(prenominal) rules make exceptions. otiose muscles and some fungal hyphae are not divided into cells yet have a multinucleate cytoplasm. Some biologists consider unicellular organisms to be acellular. 1.1.2 domain that a virus is a non-cellular complaisant social organisation consisting of deoxyribonucleic acid or RNA surrounded by a protein coat. A virus is a non-cellular structure consisting of DNA or RNA surrounded by a protein coat. 1.1.3 State that all cells are create from other cells. All cells are formed from other cells. 1.1.4 Explain three advantages of victimization pattern down microscropes. Advantages of victimisation a scant(p) microscope include: color images kind of of monochromic images (one color), easily prepared sample genuine, the possibilty of observing living material and movement, and a larger field of view.

1.1.5 Outline the advantages of using negatron microscopes. Since the resolution is higher in an electron microscope than a light microscope, one can image more seperate particles and have a clearer picture of those particles. Also, an electron microscope has a higher magnifaction than a light microscope, so one would be able to see little objects. 1.1.6 Define organelle. An organelle is a discrete structure inwardly a cell that has a specific function, it excessively take to be covered by its own membrane.If you extremity to get to a full essay, order it on our website: OrderEssay! .net

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