Refer to the figure below. 10 3.3 II 2.5 IV 2. III 1.7 10 20 Tamperature (C) 30 50 Reference: Ref 10 2 Which line indicates the species that needs to be coldest for enzyme function to be in the range favored by evolution? Select one: a. II O b, II O c. I O d. IV
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- Three organisms were tested biochemically for their production of energy, and various compounds were measured in each organism. The amounts found are shown in relative units. Organisms ATP NADH NADPH FADH2 Ethanol 1 20 100 0 0 50 2 350 400 0 100 1 3 500 410 200 100 1 Based on this information, which organism is a bacterium, a plant, or an animal?A. From the experiment, what are the approximate optimal temperatures of organisms A-D? Please report temperature ranges wherever applicable. Classify these organisms based on their temperature requirements. B. While doing this experiment, your friend dropped a tube of organism B on herself by accident. Although the spill was cleaned, she is worried about catching an infection. What would your advice to her be based on the data that you have generated in the experiment?C. Three out of four organisms did not grown on the plates incubated at 680C. What is the likely molecular explanation for this? Hint: What cellular structures are affected at this temperature?le.com/document/d/1aV35WZHe72GRC05NgDa6otm70ZIPIBC-T2NiT7IwmOU/edit Chemical Reactions ☆ 回 G Tools Add-ons Help Last edit was 2 minutes ago E - E E I text Georgia 12 BIUA 7 3 4 5 I 6 The table below lists enzymes that function in different locations in the human body, and the temperature and pH ranges of these locations. Different enzymes are secreted in each of the three locations. Enzyme Location Temperature (°C) pH ptyalin mouth 36.7-37.0 6.5-7.0 pepsin stomach 37.3-37.6 1.0-3.0 trypsin small intestine 37.3-37.6 7.5-9.0 • Using the pH column in the chart, explain why pepsin can work in the stomach, but not the small intestines. State how a fever of 40°C would most likely affect the activity of these enzymes and support your answer using information from the temperature column in the chart. 27°F
- Erwin Chargaff did not have any DNA samples from thermoacidophilic bacteria such as those that thrive in the geothermal (hot) springs of Yellowstone Park. Such bacteria had not been isolated in 1951 when Chargaff reported his results. If he had obtained such a sample, what do you think its relative G-C content might have been? Why?A) Which substrate A or B had the greater affinity for the enzyme? How did you make your conclusion? B) Define enzyme competition.Which graph shows the effect of temperature between 20°C and 35 °C on the activity of a human digestive enzyme? A B rate of rate of reaction reaction 20 35 20 35 temperature/°C temperature/°c D rate of reaction rate of reaction 20 35 20 35 temperature/°C temperature/°C O A В D
- Across 14.) Enzyme that removes hydrogens 12 15.) type of reactions that break down larger molecules into monomers typically release energy 14 15 7. 8. 16.) all the chemical reactions that occur in an organism 10 11 12 Down 13 14 9.) type of reactions that build up larger molecules from monomers typically require energy 15 16 17 18 10.) type of respiration that does not require oxygen 19 12.) process of forming ATP from ADP & P through 20 3.The purpose of this experiment is to determine how the activity of an enzyme can change under certain conditions: temperature, pH, substrate concentration Introduction Purpose statement is specific, complete and uses proper scientific vocabulary Hypothesis statement is clear, logical and scientifically sound Contains sufficient background information relevant to the lab Accurate use of examples and scientific terminology Clear, concise (max 1 page; single spaced) Step 1: Obtain a sample amount of a hard fruit or vegetable, such as an apple, cut it into smaller equal pieces, and measure on a digital scale of 10g. Step 2: Get 100ml of room temperature tap water and add it into a glass cup, heat it on a hot plate until reaches 37 Celsius Step 3: Add the apple sample into the glass cup with the tap water and mix gently. Let the mixture to sit for 5 minutes. Step 4: With a kitchen thermometer measure the temperature of the apple mixture. Step 5: In a glass cup add 3mL of 3% hydrogen…Explain in no more than five sentences the application of thermodynamics inbiochemistry.
- Give at least 3 examples of metabolic enzymes that process biological reactions.What did Archibald Garrod mean by an "inborn error of metabolism?" Question options: the presence of metabolic activity in cells the movement of cancer cells from one location to another the presence of metabolic pathways inthe production of various substances the production of methane as a product of metabolism the lack of a specific enzyme due to a defect in an organism's genetic material Wild-type Neurospora crassa is unable to produce ________, which therefore must be supplied by its environment. Question options: daughter cells biotin arginine ribonucleic acids histidine wild-type Neurospora crassa CAN produce ALL of these substancesDefine and explain the significance of ONE of the following: 1. Cytochrome b6/f 2. Oxygen evolving complex