FUNCTIONS Learning Outcomes: (a) Describe and interpret drawings and photographs of typical animal and plant cells as seen under the electron microscope‚ recognising the following membrane systems and organelles: rough and smooth endoplasmic reticulum‚ Golgi body‚ mitochondria‚ ribosomes‚ lysosomes‚ chloroplasts‚ cell surface membrane‚ nuclear envelope‚ centrioles‚ nucleus and nucleolus. (b) Outline the functions of the membrane systems and organelles listed in (a). (c) Describe the formation and breakage
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EXPERIMENT – 9 To Prove that Light is Necessary for Photosynthesis. Aim : To show experimentally that light is necessary for photosynthesis. Requirements : A potted plant‚ iodine solution‚ black paper strip‚ paper clips‚ water bath. EXPERIMENT PLEASE VIEW THE ANIMATION FILE FOR THE PROCEDURE Observation : 1) The region of the leaf which was exposed to sunlight turns blue in colour. 2) The region of the leaf covered with black strip turns brownish in colour
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Chapter 9 1. Organisms that can manufacture their own chemical energy sources are called _____________. 2. ________ depend on energy stored in chemical bonds by autotrophs for their food energy. 3. Simple molecules are further broken down in cells in a process called _________‚ during which energy stored in their chemical bonds is used to power the production of ATP. 4. Glucose is broken down to carbon dioxide and water in organisms which breathe air in a process called as ________ respiration
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A) True B) False Points Earned: 2.0/2.0 Correct Answer(s): False 2. This organelle keeps DNA from getting tangled in cytoplasmic machinery and isolates it from damaging reactions A) endoplasmic reticulum B) nucleus C) nucleolus D) golgi body Points Earned: 2.0/2.0 Correct Answer(s): B 3. A buffer protects cells against: A) changes in pH B) excessive weight gain C) salt D) heat damage Points Earned: 2.0/2.0 Correct Answer(s): A 4. Two or more chemically
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BIO 110 Homework - Chapter #1 1. What is science? 2. What are seven characteristics of all living organisms? 3. Explain the steps of the scientific method. 4. What are theories? Homework – Chapter #2 and #3 1. What is an atom‚ what is an atom composed of and what are the charges of each Component? 2. What is an element? 3. What is atomic number and atomic mass? 4. What is an isotope and how do isotopes interact with other atoms? 5. What is a radioactive isotope? 6. Draw the shell model
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Anatomy and Physiology I Exam Review‚ Units 1-4 1. The smallest structures that biologists consider being alive are A. organisms. B. organs. C. macromolecules. D. cells. E. organelles. Review levels of organization. 2. Cells contain smaller structures called ___ that carry out their metabolic functions. Review the structure of the cell and know the functions of each of the organelles. 3. Many physiological processes are controlled by self-correcting ___ loops.
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centriole‚ lysosome‚ and flagellum‚ where as most plant cells do not. Both contain DNA unique to their species or type of plant. 4. Which of the following structures are present in both prokaryotic and eukaryotic cells? Plasma Membrane- both Golgi Apparatus- not present in the prokaryotic cell‚ present in the eukaryotic cell DNA- both Lysosomes and peroxisomes- not in prokaryotic cells‚ both in eukaryotic cells Cytoplasm- both 5. Where is genetic material found in plant cells? Found within
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Use available evidence to assess the impact of technology‚ including the development of the microscope on the development of cell theory. Over a period of nearly 400 years‚ technology has impacted so significantly on humanities understanding of life. This is due to the development of the microscope‚ examining the invisible‚ discovering the building blocks of life‚ and the creation of the cell theory. This theory is so fundamental to our current knowledge of the functioning of living organisms.
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shape and contains the nucleus and acrosome. The nucleus is the control centre of the cell and holds (DNA)‚ this is what makes this cell a eukaryotic cell. The acrosome is an organelle that forms on the outside of the head they derive from the Golgi apparatus and contain digestive enzymes. Acrosomes are needed to break down the outer membrane of the egg‚ so that the two nucleuses’ can fuse together thus producing a zygote (fertilized egg).The mid piece holds the centriole and mitochondrion. The centriole
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Organelle | Found In | Structure | Function | Cell Membrane (plasma membrane) | Both | A phospholipid bilayer that contains proteins. Lipids face each other while the phosphates face away from each other. Most proteins stay with the outer layer of phospholipids. | Protective barrier. Transports required materials and wastes in and out of the cell. Cell communication. | Nucleus | Both | Dense sphere inside the cell. Surrounded by a nuclear envelope with nuclear pores that allow for material transportation
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