Biological Molecules
Akopọ
The food you eat, the muscles you move and the enzymes that digest your lunch are all built from the same handful of chemical elements. Carbon, hydrogen, oxygen and nitrogen combine in different arrangements to produce carbohydrates, lipids and proteins, the three families of biological molecule that underpin virtually every process in a living cell.
In this lesson you will learn the structure of each molecule family, discover how enzymes catalyse reactions with lock-and-key specificity, investigate how temperature and pH affect enzyme activity, and master the food tests that identify glucose, starch, protein and lipid in the laboratory.
Awọn Afojusun
- Identify the chemical elements present in carbohydrates, proteins and lipids (fats and oils)
- Describe the structure of carbohydrates, proteins and lipids as large molecules made up from smaller basic units
- Investigate food samples for the presence of glucose, starch, protein and fat
- Understand the role of enzymes as biological catalysts in metabolic reactions
- Understand how temperature changes can affect enzyme function, including changes to the shape of active site
- Investigate how enzyme activity can be affected by changes in temperature
- Understand how enzyme function can be affected by changes in pH altering the active site
- Investigate how enzyme activity can be affected by changes in pH
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Ìdánwò Ẹ̀kọ́
Oriire fun ipari ẹkọ lori Biological Molecules. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.
Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.
Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.
- Which elements are present in proteins but NOT in carbohydrates? A) Carbon and oxygen B) Hydrogen and oxygen C) Nitrogen (and sometimes sulfur) D) Phosphorus Answer: C
- What is the building block of proteins? A) Fatty acids B) Monosaccharides C) Amino acids D) Nucleotides Answer: C
- Which food test reagent is used to detect starch? A) Benedict's solution B) Biuret solution C) Iodine solution D) Ethanol Answer: C
- What happens to an enzyme at temperatures above its optimum? A) It works faster B) It divides C) Its active site changes shape permanently (denaturation) D) It dissolves Answer: C
- A triglyceride is made from: A) Three amino acids and one fatty acid B) One glycerol and three fatty acids C) Three glucose molecules D) One glucose and three amino acids Answer: B
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Awọn Iwe Itọsọna Ti a Gba Nimọran
Ẹ̀kọ́ síwájú láti àwọn orísun ṣíṣí
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Abala ìwé ẹ̀kọ́
Enzymes
Describe the role of enzymes in metabolic pathways
"Biology: Enzymes" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/biology/pages/6-5-enzymes. Access for free at https://openstax.org/books/biology/pages/1-introduction
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Abala ìwé ẹ̀kọ́
Carbohydrates
Discuss the role of carbohydrates in cells and in the extracellular materials of animals and plants
"Biology: Carbohydrates" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/biology/pages/3-2-carbohydrates. Access for free at https://openstax.org/books/biology/pages/1-introduction
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Ṣe Adaṣe Awọn Ibeere Idanwo Adaṣe
Ṣe o fẹ ṣe adaṣe awọn ibeere idanwo adaṣe nipa Biological Molecules? Ṣe igbasilẹ ohun elo Green Bridge CBT lati wọle si awọn ibeere idanwo adaṣe ati awọn ayẹwo adaṣe kikun fun koko-ọrọ yii.
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