This paper is about how the plant cells and solar cells are similar to each other as well as how they are different to one another. In addition this paper explains how the laws of thermodynamics apply to each of the plant and solar cells system. Plant Cells and Solar Cells Photosynthesis is the process of producing and releasing oxygen in the air. It needs sunlight‚ carbon dioxide and
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The introduction briefly talks about the hindbrain‚ its location‚ structure and highlights its main functions. It also talks about how the hindbrain is divided. The next topic is about Structure and Function. It first starts with the functions of the hind brain and then mentions each and every function of the brainstem‚ that it‚ the medulla‚ pons and the cerebellum. It also mentions the functions of the cranial nerves. The next section is on Injury and Disorder. Here it is mentioned‚ as a list‚
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ability to prevent cancer but not allowing the cell to divide (Weinberg 2014). P53 is considered the “guardian of the genome” due to its variety of functions that are crucial for regular cell life cycles‚ and can prevent cancer (Weinberg 2014). Some of the functions of p53 include regulation of apoptosis‚ inducing cell-growth arrest‚ and activation of DNA repair proteins when the cellular DNA is damaged (Weinberg). Due to the majority of these functions preventing cancer and protecting the genome‚
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roles in many essential cell biological processes. Actin exists as a monomer called G-actin and as a filament called F-actin‚ a linear chain of G-actin subunits (2). Two F-actin filaments intertwine to form a microfilament‚ one of the three major components of cytoskeleton (2). Microfilament is important for generating cell movement. One mechanism involves the assembly and disassembly of microfilaments (actin dynamics) that drives biological processes‚ such as cell division‚ cell mobility and cytokinesis
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ANIMAL CELL MODEL ORGANELLE FUNCTIONS Cell membrane: Separating the interior of the cell from the outside environment‚ the cell wall is selectively permeable‚ only letting certain things through. It is involved in a variety of cellular processes‚ such as cell adhesion and cell signalling. Cytoplasm: The fluid that fills the cell‚ cytoplasm uses its dissolved enzymes to break down larger molecules. The products can then be used by the organelles that are suspended in the cytoplasm. Cytoskeleton:
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Cellular Functions CORE TOPIC 1: CELLULAR 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
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DESMOSOME STRUCTURE & ITS FUNCTIONS | Bricks in a building must be stuck together and also tied somehow to the foundation. Similarly‚ cells within tissues and organs must be anchored to one another and attached to components of the extracellular matrix. Cells have developed several types of junctional complexes to serve these functions‚ and in each case‚ anchoring proteins extend through
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body while the right ventricle only has to pump blood to the lungs. 3. What is the function of the tendinous cords attached to the bicuspid and tricuspid valves? The tendinous cords attached to the bicuspid and tricuspid valves hold the valves in place and prevent them from turning inside out. 4. Explain how blood flow in the heart moves in one direction only and trace the movement of a single red blood cell through the heart. The valves in the heart prevent the back flow of blood on the heart
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are important to understanding cell injury and cell death regardless of the injuring agent” (Heuther & McCance‚ 2012). Cellular injury arises when a cell is unable to sustain homeostasis. The injury can be reversed if the cell can recover from whatever damage was done but if it does not recover the cell will die. The three common forms of cell injury are hypoxic injury‚ free radicals and reactive oxygen species injury‚ and chemical injury. The most common form of cell injury is hypoxic injury‚ or
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Biology HL -Functions of the Liver Essay The liver receives its blood from two main sources; the hepatic artery and the hepatic portal vein. The hepatic artery transports oxygenated blood from the left side of the heart through the aorta to the liver. The deoxygenated blood from the liver is drained back out through the hepatic vein which returns it to the vena cava. The hepatic portal vein carries nutrient rich blood from the small intestine to the liver. Its blood however
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