David Lozano - Biomolecules Webquest 20674i

David Lozano

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x Task One – Introduction to Biomolecules (also known as macromolecules) Use any link below to watch the Biomolecules video by the Amoeba Sisters. As you watch, answer the following questions. https://www.youtube.com/watch?v=YO244P1e9QM Tiny URL: http://tinyurl.com/jjf644z

Pizza energy A molecule that can bond with identical ones A molecule that is produced by a living organism energy monosaccharides fats Fatty acid and glycerol Insulators, make cell membranes, and sotre energy From lipids Amino acids Muscle development, immune system, cenzymes proteins DNA, RNA Genetic info, code for your traits nucleotides

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Carbon, Hydrogen, Oxygen Carbon, Hydrogen, Oxygen Carbon, hydrogen, oxygen, nitrogen Carbon, hydrogen, oxygen, nitrogen, phosphorus Use any link below to complete the Molecules of Life Tutorial from the ALMS website. As you complete the tutorial, answer the following questions.Tiny URL: http://tinyurl.com/zvla6qb Full URL: http://www.alms.org/Public/PreviewResourceStudentTutorial/Preview/111955

Hydrogen, carbon, oxygen, nitrogen macromolecule

molecule

molecules polymer one

may monomer

Carbohydrate Lipid Protein Nucleic acid

Fuel for cell, building material Strach, helps gives them their strength and regitity

polysaccharides plants

molecule macromolecule

Lipids Tab 29. What are three functions of lipids: Primary components of cell membranes, energy storage, hormones

30. Lipids are oily. How do they interact with water? Provides water or other molecules from leaving the cell Proteins Tab 31. What are proteins made from? Amino Acids

32. What cell organelle makes proteins? Ribomones 33. Complete the following protein table. Protein Types

Function

Enzymes

Act as catalyst

Storage Proteins

Source of amino acids

Defensive Proteins/Antibodies

Protect against disease

Hormonal Proteins

Regulates Organism activities

Receptor Proteins

Regulates chemical stimulate fat cell cell surface

Contractile and Motor Proteins

Cellular movement

Structural Proteins

Cellular or organismal

Nucleic Acids Tab Transport Proteins 34. What are the main functions of nucleic acids? h

Transport substances around the body or in/out of cells

DNA, RNAi involved in transport 35. How many strands make up RNA? 1

How many strands make up DNA? 2

36. List the three types of RNA and the structural shape of the RNA in the table below. Type of RNA

Shape

m-RNA

Single strance

r-RNA

Bundled up

t-RNA

Cross shaped structure

37. During the Nucleic Acid Practice, Write the statement that refers to nucleic acids in the space below. a) DNA

b) RNA

c) code and store genetic information

d)codes for cellular proteins and other molecules 38. Copy the main functions of each macromolecule in the table below. Macromolecule

Function

Carbohydrate

Source of energy

Lipid

Protective barrier and some hormones

Protein

Responsible for many cellular activities and processes

Nucleic Acid

Codes and store genetic information, proteins