SCIENCE - FORM 2 Nutrition CLASSES OF FOOD 1. Food is a basic necessity for all living things. 2. Food is important in order to : (a) Provide energy to carry out physical activities. (b) Provide energy for the physiological activities in life such as reproduction‚ digestion and excretion. (c) Build new cells and ti repair tissues in the body.
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Accounting Information System II Chapter 12 – Electronic Commerce Systems REVIEW QUESTIONS 1. What is a VPN? * A VPN (virtual private network) is a private network that exists within a public network. 2. Name the 3 types of addresses used on the internet. * The Internet uses three types of addresses for communications: * (1) email addresses‚ * (2) Web site (URL) addresses‚ and * (3) the addresses of individual computers attached to network (IP address). 3
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and vitamin D‚ which are nutrients critical to bone growth and development. A person born with lactose intolerance cannot eat or drink anything with lactose. Approximately 75% of the world’s population loses the ability to digest lactose at some point‚ while others can digest lactose into adulthood. In very rare cases‚ lactose intolerance can happen in newborns (Pakdaman‚ Udani‚ Molina‚ Shahini 2016). The intolerance
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contain nonphotosynthetic organisms‚ most or multicellular and they digest food externally. Plantae contain photosynthetic multicellular organisms‚ precise numbers are difficult to determine‚ but as of 2010‚ there are thought to be 300–315 thousand species of plants‚ of which the great majority‚ some 260–290 thousand‚ are seed plants. Animalia are nonphotosynthetic organisms‚ they are also multicellular like the fungi kingdom‚ but they digest there food internally. Viruses are very small infectious
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his Bachelor’s degree in electrical engineering from the City College of New York. Before he started writing books he was a newspaper and magazine article writer. He even founded his own magazine in 1970 called the Intellectual Digest and later became the editor for Book Digest. In the book A Call for Revolution: How Washington is Strangling America—And How to Stop It there is a main point that the author Martin L. Gross is trying to get across‚ and it is that Washington really is strangling America
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Lab 4 – The Cell Answer Key Procedure 4.3 Draw a picture of a single Elodea cell and label all visible structures. See the diagram in your lab manual. Without staining‚ the only structures that should have been clearly visible should have been the cell walls and the green chloroplasts. Is this cell prokaryotic or eukaryotic? ______Eukaryotic_______________________ What evidence do you have to support this claim? The presence of organelles (chloroplasts) and its large size.
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Sigmoidal colon_______________ -> ___ involuntary sphincter__________________ -> ____ voluntary sphincter_______________ -> anus 7. Fill in the chart. |Organ |Function |Secretes |Helps to digest what food | | | | |type (carb‚ prot‚fat)? | |Mouth |Chewing breaks the food into|Saliva |starches to sugar
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evolve as a reaction to predators as defense. They evolved because food was becoming more complex and not something that they could suck up and digest simply by having them go straight into the stomach. More complex algae and seaweed evolved and the “herbivores” needed to break these down and get these into their mouths and these algae would take too long to digest in the stomach and couldn’t simply be taken by vacuum. Predators also needed a way to break
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Unit 5 P1 Animal Cell Nucleus- the nucleus in an animal cell controls every activity that happens within the cell Cell membrane- The cell membrane is a thin semi-permeable membrane that surrounds the cytoplasm of a cell. Its function is to protect the integrity of the interior of the cell by allowing certain substances into the cell‚ while keeping other substances out. It also serves as a base of attachment for the cytoskeleton in some organisms and the cell wall in others. Thus the cell membrane
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OF THE NERVOUS SYSTEM: 1. Central Nervous System (CNS)=Brain & Spinal Cord 2. Peripheral Nervous System (PNS) a. Autonomic Nervous System=System Homeostasis b. Sympathetic Nervous System=Fight or Flight c. Parasympathetic Nervous System=Rest & Digest d. Enteric Nervous System=GI system NEURONS 1. 3 parts of a nerve cell a. Dendrites b. Cell Body c. Axon 2. Types of nerves: a. Afferent Neurons=sensory‚ conduct impulses TO the brain b. Efferent Neurons=motor‚ conduct impulses AWAY from
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