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In biochemistry, a kinase is an enzyme that catalyzes the transfer of phosphate groups from high-energy, phosphate-donating molecules to specific substrates. This process is known as phosphorylation...

Flashcards about Ch. 5 - StudyStack


true or false? active transport requires an input of energy and can also ... Activbe transport requires energy from ATP and facilitated diffusion does not. .... low outside the cell, other CO2 molecules will continue to exit the cell in this way. ... force (the ion's concentration gradient) & an electrical force (the effect of t...

Biochemistry 523 Flashcards


Dec 9, 2012 ... NADH is a small molecule that can freely diffuse through the inner ... ATPsynthases isolated from different sources often have different numbers ...

82 2 1 1 1 A monosaccharide is the basic subunit


True False 2 Glycogen serves as an energy storage molecule in animals. ... RNA NADH ETC ATP none of these 4 The passage of electrons down the ETC results in the ... 95 2 1 10 14 The information contained in the DNA sequence is transferred to .... Archaea live in extreme environments where other organisms could not.

A-level Biology/Biology Foundation/biological molecules - Wikibooks


Carbon is present in all organic molecules and carbon atoms can join together to ... to close up on itself and form a stable ring structure, as seen in the picture above. ... a great deal of energy which in turn helps make ATP from ADP and phosphate. ... Cellulose is the other important polysaccharide - and is the most abundant .....

Energy for the Body: Oxidative Phosphorylation - Department of ...


Just as purchasing transactions do not occur without monetary currency, ... The body utilizes energy from other nutrients in the diet to produce ATP ... Note: The part of the molecule that participates in oxidation-reduction reactions is shown in blue. .... in place, the phosphate can be transferred directly from the ATP to glycerol.

Cellular Respiration - CliffsNotes


Microorganisms such as cyanobacteria can trap the energy in sunlight through ... Thus, two molecules of ATP must be expended in the process. ... Also during glycolysis, another of the reactions yields enough energy to convert NAD toNADH. ... As glycolysis does not use oxygen, the process is considered to be anaerobic.

Online Introduction to Biology - Chemistry - Important Molecules in ...


Not every carbohydrate does this - sugars follow the rule a bit more reliably than ... sugar molecules and transfers much of the bond energy to ATP, which can be more ... Carbohydrates often show up as parts of other materials, as you will see in .... exist that have no effect on primary structure, for reasons not important now,  ....

IBO 2013 Theory part A_CCL.pdf

www.ibo-info.org/exams/ibo-2013-switzerland/IBO 2013 Theory part A_CCL.pdf/at_download/file

Indicate if each of the following statements is true or false. ... Bacterial count of a liquid culture can be determined by different methods: 1) Cells can be .... to reach anaphase, molecular motors working on microtubule are needed for the ... of Pyk does not only affect the concentration of PEP, its direct substrate, but also of ...

What Causes Cancer At the Cellular Level? (the Cancer Tutor ...


Mar 9, 2016 ... The same is true about cancer. ... Which caused the other will vary by cancer patient. .... But how does a normal cell, which is not cancerous, become cancerous? ... highly aggressive and it can literally drill itself inside of a normal cell to ... lack of energy in cancer cells (i.e. due to the lack of ATP molecules), ...

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Catalysis and the Use of Energy by Cells - Molecular Biology of the ...


In other reactions, these small molecules are being used to construct an ... Each cell can be viewed as a tiny chemical factory, performing many millions of ... molecules alone), and it then uses this energy to generate order within itself. ...... has no effect on the electron-transfer properties of NADPH compared with NADH, but ....

Cell Respiration


How Cells Extract Energy From Complex Molecules. Summary ... Think about that ; every cell in your body has to do this for itself. Cells can cooperate to get the oxygen to other cells, but nor cell can make ATP and donate it to another cell. ... You will notice that very little ATP is produced in this step and no oxygen is required.



Other molecules, such as Ethane, are nonpolar, having neither a positive nor a ... The structure of many molecules can greatly influence their solubility. ... Nonpolar molecules are repelled by water and do not dissolve in water; are hydrophobic. ..... (DNA), protein synthesis (RNA), and energy transfers (ATP and NAD).