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Cells energy with ATP model activity Worksheet Key, Exercises of Biochemistry

Cell energy topic is divided into three parts, 1) The chemical structure of adenosine triphosphate, 2) gaining energy from ATP as it changes to ADP, 3) changing ADP to ATP

Typology: Exercises

2020/2021

Uploaded on 04/20/2021

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Date 10 Energy within a cell exists in the form of chemical energy. A source of this chemical energy isa compound called adenosine triphosphate (ATP). ATP when changed to a compound called adenosine diphosphate (ADP) releases energy for biological work in a cell. ADP can be changed to ATP, but this reaction requires energy. During cell respiration, energy made available from. the breakdown of glucose is used to change ADP to ATP, In this investigation, you will (a) use paper models to construct molecules of adenosine triphosphate (ATP) and adenosine diphosphate (ADP). (b) determine similarities and differences between ATP and ADP. {c) illustrate energy release when ATP is changed to ADP. (d) study the ATP-ADP cycle. Materials tracing or typing paper light cardboard (optional) scissors paste (optional) : ait Procedure Part A. The Chemical Structure of Adenosine Triphosphate ATP is made up of smaller molecules or subunits—ribose, adenine, and phosphoric acid or phosphate groups. Ribose Molecule Oren is a carbohydrate. It is different from glucose in one very important way. Glucose has six atoms of carbon in each molecule. = 3. How many carbon atoms are in ribose? = __ Adenine Molecule ~ © Examine the structural formula of ribose. e Examine the structural formula of adenine. (tar bo garate,) 7 Ld NA | ! ° x—-0 adenine H | N-H | aN N Ne \ I ll cH nook J NON ; « O ribose? oo ~ tis the molecular formula of ribose? (Fill in tea | a pdeniee} (2 o 3 Ie the appropriate subscripts.) clHos 7 2 How doce the number of hydrogen atoms (a) What element is in adenine tuat 1s notin @ 5 compare to the number of oxygen atoms in & 4, What is the molecular formula of adenine? (Fill | is ewat in the appropriate subscripts.) C_oHUN.W 2 K's carbohydrates? itr en tS What element is in carbohydrates that is not in adenine? OXY gen 39 C2 i /))