6. Play with the simulation to discover what affects the mass number of your atoma) What is a rule for determining the mass number of an atom or ion?7. Practice applying your understanding by playing 1t and 2nd levels on the game sci BIUANormal textRusso One34GD5. Play with the simulation to discover which particles affect the charge of an atom ca) Fill in the blanks below to show your results:Neutral atoms have thenumber of protons and electrons.Positive ions haveprotons than electrons.Negative ions haveprotons than electrons.b) Develop a relationship (in the form of a single sentence or math equation) thatthe charge of an atom or ion.

Atom is the smallest unit of any matter. It is consist of three sub particles namely electron,…

Answered: 5. Play with the simulation to discover…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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You are stranded on a lifeboat with several other people in the middle of the ocean. You have run out of clean drinking water and are very thirsty. The others have started to drink the seawater to quench their thirst. Since you’re waiting for rescue (and are a top notch AP Biology student), you decide to solve a couple of water potential problems to determine if drinking sea water is a good idea or not. a) The majority of dissolved ions in seawater is NaCl, roughly a 0.5M concentration. The ionization constant of NaCl is 2.0. Calculate the solute potential for seawater if you know that the water is 2°C. b) Your own cells have a 0.15M concentration. Calculate the solute potential for your own cells, knowing that body temperature is 37°C. c) Using your knowledge about water potential, if you drink the seawater, wat will happen when the seawater comes into contact with your body’s cells? Note: ΨP for animal cells is zero
5. Note: These directions will help you collect data that will answer questions about different concentrations of a single chemical. If you have a different question, you will need to modify your data table, the data collected, and graph. 1. Identify at least 4 different concentrations of the chemical for which you wish to collect data. Type the name of your chemical at the top of the first column and record the concentrations in your data table. 2. For each concentration you will collect heart rate data for three different daphnia. a. Select a daphnia trial you wish to observe. b. Select a video speed at which you wish to count the heart beats of the daphnia. c. Count the heart beats in your selected video. d. Remember all of the videos show 15 seconds. Multiply your 15 second count by 4 to then have beats per minute for the units of heart rate. Record your heart rate calculation (bpm) in the table. e. The table is set-up to automatically calculate the average heart rate for…
3. Short RNA sequences of the form AUn (n is an integer less than, say, 10) are self- complimentary and dimerize to form RNA duplexes, i.e., 2 A,U, 1E96 [A,UJz For the case n= 5, the equilibrium constant for this reaction, Keq, is 5:103 and for n = 6 Keg = 2-105. In terms of AG°, by how much does a single A:U base pair stabilize such an RNA duplex?
2. When trying to identify an unknown element, a scientist determines what other elements the unknown element reacts with chemically. Which property of the unknown element determines the other elements it reacts with? The total number of particles in the nucleus of the unknown element The number of valence electrons in the unknown element The total number of neutrons in the unknown element The number of protons in the nucleus of the unknown element
Among the choices which one will the result of the given chemical equation?
Match the terms with their most suitable description. ____ hydrophilic a. protons > electrons ____ atomic number b. number of protons in ____ hydrogen bonds nucleus ____ positive charge c. polar; dissolves easily in ____ negative charge water ____ temperature d. collectively strong ____ pH e. protons < electrons ____ covalent bond f. measure of molecular ____ hydrophobic motion g. water-dreading h. electron sharing i. reflects H+ concentration
3. Diet Big Red soda contains citric acid, as shown in the ingredient list below, Carbonated Water, Citric Acid, Natural and Artificial Flavors, Sucralose, Sodium Benzoate, Caffeine, Malic Acid, Red 40, Acesulfame Potassium, Phosphoric Acid, and Acacia Gum What are two obvious reasons that we did not try to determine the citric acid content in a "flat" sample of Diet Big Red soda?
11
2. What is the difference between the fields of Biological Chemistry and Biophysical Chemistry? In relation to “Determination of biomolecule concentration using spectrophotometric techniques", do you think this activity falling under the scope of the former or latter field? Please justify your answer.
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2.

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5. Play with the simulation to discover which particles affect the charge of an atom c a) Fill in the blanks below to show your results: Neutral atoms have the number of protons and electrons. Positive ions have protons than electrons. Negative ions have protons than electrons.