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Transcript
Name: _________________________ 1.3.6 + 7 Structural & Metabolic Roles of Biomolecules Worksheet What does the ‘Structural Role of Biomolecules’ mean? Structure = the way in which something is built e.g. timber structure, steel structure Role = __________________________________________________________________________ Biomolecules = ___________________________________________________________________ Structural Role of Biomolecules = ____________________________________________________ ________________________________________________________________________________________________ Structural role of Carbohydrate Cell Structure • ____________________ ( _________________________ ) in _______________ cell walls • _____________ ( ________________________ ) in _____________ cell walls Structural role of Proteins Cell structure • Proteins are _______________ ( _______________ ) in nature. • They combine with ____________________ to from cell membranes (____________________) • ___________ is the structural protein in __________ __________ and __________ • ___________ is the structural protein in ___________ Structural role of Lipids Cell Structure • Important __________________ molecules in organisms • Heat insulation – e.g. ___________________________________ • __________________ the body • __________________ around body organs e.g. kidney, heart • Phospholipids and lipoproteins are major ________________________________________ • __________________ helps transmit messages in _________________________________ Page 1 of 4 Name: _________________________ What does the ‘Metabolic Role of Biomolecules’ mean? Metabolic = ________________________ = all the chemical reactions in a cell Role = _______________/________ or _______________/__________________ Biomolecules = _____________________, _________, _______________ Meetabolic Role of Biomolecules = the function / job / involvement of carbohydrates, fats, proteins in the chemical reactions in cells making various substances for living things Metabolic Role of Carbohydrates and Lipids These are the __________________________ of energy for metabolism – e.g. • ______________ (______________________) is an immediate source of energy • ______________ are a long-term energy storage Metabolic Role of Carbohydrates and Lipids They are important in the following processes: Respiration – energy is ______________ when _____________ is ____________________ to form ______________________________ and __________ – _____________________ Photosynthesis – glucose molecules are ________ from ______________________ and ___________ using the sun’s energy – ____________________ Metabolic Role of Proteins All ______________ are ______________ and have a ______________ shape. Enzymes control the _________________________ in cells. e.g. enzymes control the processes of ______________________ and ______________________ ________________ is a protein that ________________________________ during photosynthesis Metabolic Role of Hormones Hormones _________________________________-________________________ e.g. the hormone __________________ controls the __________________ __________________ in the blood __________________, __________________ and __________________ are other hormones controlling ________________________________________________ Page 2 of 4 Name: _________________________ Metabolic Role of Vitamins Definition: can you remember it Vitamins are _______________ _______________ ___________ of _______________ They are needed in _______________ ____________ for the correct _______________ of the body They cannot be _______________ by the body They must be in the _______________ Vitamin C Chemical name: ______________________________ Solubility: ______________________________ Function: for _______________ _______________ i.e. tissue used for attaching organs together or for protection, e.g. _______________, _______________, ___________, _______________, _______________, _______________ Source: _______________, _______________. Vitamin D Chemical name: ______________________________ Solubility: ______________________________ Function: needed to _______________ _______________ from food. Calcium needed for _______________ _______________ ____________ and their _______________ Source: _______________, _______________, _______________, made by _______ in sunlight Vitamin deficiency disorders Lack of Vitamin C causes _______________ Symptoms: ______________________________gums, _____________________teeth Lack of Vitamin D causes _______________ in young children Symptoms: _________________________of the spinal column and _______________ _______________ in adults Symptoms: the bones _______________and become weak – common in ____________ Page 3 of 4 Name: _________________________ Need to know • Structural Role of Biomolecules • State carbohydrates role as cellulose in cell walls • State proteins role as fibrous protein e.g. keratin or as myosin • State the role of lipids as Phospholipids in cell membranes • State that carbohydrates & lipids act as a primary source of energy • State that proteins act as enzymes and are made of amino acids • State that hormones (protein) act as regulators of metabolic activity • State that vitamin C & D are used for tissue growth, cell production and health maintenance • Name disorders associated with deficiency of a water soluble and a fat-soluble vitamin END Page 4 of 4