Brine shrimp or sea monkeys normally live at pH 8. you want to test the effect of pH on the ability brine shrimp to survive at a lower pH ( what will be the experimental groups)
Q: For the equilibrium below, pKa1 = 7.9 and pKa2 = 10.1. At what pH is [HA-] equal to [A2-]? H2A…
A: The pH of a solution is a measurement of its acidity or basicity. The pH scale ranges from 0 to 14.…
Q: Picture below showing four water molecules interacting via hydrogen bonds? be sure lo label partial…
A: It is an irregular tetrahedron with oxygen at its center. It has a high dielectric constant. Each…
Q: Which one is the incorrect statement regarding mass spectrum? options: The (M)+• peak may be…
A: Mass spectrometry is an analytical technique used to determine the mass of a chemical species. Here…
Q: There are two solutions with different pH levels. Solution A is neutral, with a pH of 7. Solution B…
A: A buffer is an aqueous solution that resists changes in pH upon the addition of an acid or a base.…
Q: What are the two nucleic acid? Give their functions in the life processes of an organisms.
A: Nucleic acid is a type of macromolecule that is found in all living organisms and viruses. Storage…
Q: High kinetic energy leads to the disruption of hydrogen bonding and hydrophobic attraction. These…
A: High temperature increases the kinetic energy and leads to the disruption of the hydrogen bonds and…
Q: WHAT ELSE CAN I ADD TO THIS? Organisms are able to survive and function because of buffers.…
A: The molecules which are capable to donate protons are generally known as acid and those which are…
Q: Describe surroundings at home which reminds you about biochemistry and relate the situation to…
A: Food is the source of macronutrients and micronutrients required for the body. During the process of…
Q: Which statement below is false about the probability of the absorption of a weak base from the…
A: Acid is a compound that donates proton and base is a compound that accepts proton. The strength of…
Q: What is the purpose of this investigation?
A: Lactase is a disaccharidase enzyme found in the gut of mammals. The enzyme facilitates the breakdown…
Q: 1. Choose the one answer that fits best. One mole is a. A baker's dozen b. One molecule of a given…
A: "Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: Use the sigma aldrich reference to rank the following in terms of most hydrophobic to least…
A: Amino acids are the building blocks of peptides and proteins having a chiral carbon except for one…
Q: 1-water is heated and water vapor forms 2 -a mixture of methane ammonia and hydrogen is added to the…
A: American chemists Harold Urey and Stanley Miller , combined warm water with water vapour, methane ,…
Q: Leila is a student. She wanted to find out the effect of acidic rainy on the brine shrimp’s…
A: Whenever we design an experiment, we need to include different types of variables in it to test the…
Q: You have 100 microliters of a protein sample. You need to add 4x sample buffer to your protein…
A: Buffer solutions are generally prepared in a concentrated form, which can be diluted to the required…
Q: The table below shows the pH values of some different foods. pH of Foods Substance Approximate pH…
A: A pH refers to the unit of measure that determines the acidity or alkalinity of the solution. Its…
Q: Papain is an enzyme that is used in meat tenderizers. When place on meat, such as a steak, it…
A: Introduction: Enzymes are biocatalysts that enhance the rate of reaction without taking part in it.…
Q: The folding of a protein a involves unfavorable entropy b involves favorable entropy c…
A: Proteins are macromolecules made up of long polypeptide chains usually of L-amino acids. . Proteins…
Q: When an acid is added to an amino acid in its zwitterionic form, amino acid carboxylate anion gains…
A: Zwitterion: An amino acid has both a positive ( on the amino group -NH3+) and a negative charge (on…
Q: At pH 10, [OH-] is— 10 M 5 M 10-10 M 10-4 M 0.0000001 M
A: pH is the measure of the relative amount of free hydrogen and hydroxyl ions in the water. A pH of…
Q: I do not understand the question "What is chemically nonsensical about this structure? H-C=C-H"…
A: Carbon is a chemical element having symbol C and atomic number 6.It is a non metal and belong to…
Q: What type of environments are separated by membranes a. water-containing environment from an…
A: A membrane is a selective barrier surrounding an environment which allows passage of of specific…
Q: The inverse logarithm, or -log, of [H3O*l][OH*l] = 10*14 is pH + pOH = 14 1. What happens to the…
A: Water has many unique properties that make it very special and important for life on earth. The…
Q: #BIOCHEMISTRY Propose a 1 sentence hypothesis for what you would expect to see when comparing the…
A: Introduction With the extreme conditions of temperature, salinity, exposure to UV radiation,…
Q: In mammals 40% of the DNA is composed of G-C base pairs, In thermophilic bacteria, the G-C content…
A:
Q: Pauling's model couldn't be right because: A. the negative oxygen atoms of the phosphate groups…
A: DNA or deoxyribonucleic acid is the genetic material in most organisms. According to Pauling's…
Q: Explain what a pH indicator ( in general, not just an essay) and how pH indicators work
A: Introduction: pH: pH stand for the potential of hydrogen (concentration of hydrogen ions in a…
Q: Why is pH important for the buffer? The pH is important to the stability of the gel. The pH…
A: @ Why is pH important for the buffer? Answer - pH is important for buffer for processes and/or…
Q: The figure below shows five water molecules. The hydrogen bonds shown in this figure are each (-)…
A: H-bonding is considered as the weak bonding interactions.
Q: 1. Fish is a source of protein. As it marinates in lime juice, it turns white. Why? 2. Lemons have…
A: Protein is the long chain of amino acid that is linked together by peptide bonds. Fish is a very…
Q: Why is Biotin/streptavidin commonly used for tagging a. It is the strongest non-covalent bond in…
A: biotin-streptavidin complex is used in immunochemistry to identify various biomolecules and also for…
Q: Lactase is an enzyme that breaks down the sugar lactose which is commonly found in dairy products.…
A: Lactose intolerance is the inability to complete digest lactose sugar. This is due to the defiencey…
Q: 1. The end product of protein metabolism is often ammonia, a base. What effect will this have on pH,…
A: Note- As per our guidelines, we are supposed to answer only 1 question. Please repost the other…
Q: Which statement about carbon is true? Group of answer choices Carbon has 4 valence electrons. Carbon…
A: Carbon is unique element because it is able to form covalent bonds with up to 4 items at one time.
Q: What is the pOH of a solution that has a pH of 5? Given: Ka x Kb = Kw, pKw = pH + pOH Group of…
A: Given Values: pH = 5.0 pOH = ?
Q: Lactase is an enzyme that breaks down the sugar lactose which is commonly found in dairy products.…
A: Lactase activity can be tested by the enzyme breaking down lactose into glucose and galactose. The…
Q: Select all that apply. Which of the following chemical groups are acidic? (R refers to the rest of…
A: Functional groups Functional groups are moiety in a biological compounds that determine the acidic…
Q: The enzyme pepsin is active in your stomach (at around pH 4), where it catalyzes a reaction that…
A: Digestive power of pepsin is greatest at acidic pH of normal gastric juice i.e pH 4. In…
Q: Biology: Discuss the many properties of water H2O? And also give several examples of the important…
A: Water is an essential component of life, life is impossible without water as we know that 1st time…
Q: A base a. has a value below 7 on the pH scale. b. is a chemical that adds hydrogen ions to a…
A: In an acid-base reaction, according to the acid-base theory, acid is the compound that donates the…
Q: A key function of ________ is to store energy. a. fats b. proteins c. nucleic acids
A: Macromolecules are large molecules or polymers which are formed from the simple monomers which are…
Q: At a high pH the overall charge on a diprotic amino acid is more [ Select ] than the overall charge…
A: The amino acid sequence of a protein can reveals information about its three-dimensional…
Q: Why does one see bromocresol green as indigo in color? You may need to do some online research as to…
A: Every molecule absorbs light at a specific wavelength.
Q: In spectrophotometry, optical density (OD) is the same as: O transmnittance. Oan overdose.…
A: --> Optical density and absorbance both measure the absorption of light when that light passes…
Q: An Element from Group 5A and Group 6A shared a Chemical Bond. This entails that ____________ .…
A: Chemical Bond refers to the making of a chemical bond between 2 or more atoms, molecules, in order…
Q: Atoms A and B interact to form a compound, AB2. When measured, atom A has a partial negative charge…
A: The more electronegative atom has a partial negative charge because the electrons spend more time…
Q: Why are water and its derivatives useful as buffers in the cell cytoplasm? A. H3O+ can serve as…
A: Buffer is a solution that can resist pH change upon the addition of an acidic or basic components.…
Q: How do you solve question 1 and 2?
A: Answer 1: On a pH scale of 1 to 14, 1 denotes the most acidic value and 14 denotes the most basic…
Q: Which of the following is an abundant element in humans? Group of answer choices A. sulfur B.…
A: A chemical element, also called an element, any substance that cannot be decomposed into simpler…
Q: Carbon is the most abundant element in living organisms * True False
A: Carbon, hydrogen, oxygen, and nitrogen are the main components. Little amounts of different…
Brine shrimp or sea monkeys normally live at pH 8. you want to test the effect of pH on the ability brine shrimp to survive at a lower pH ( what will be the experimental groups) and explain your answer.
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- 5. Draw two bar graphs, one representing the ratio of saturated to unsaturated fatty acids present in the cell membrane and the other representing the amount of cholesterol present in the cell membrane. Each graph should include a bar for each of the following groups of organisms. The objective is to correctly represent what we would expect to see in the cell membranes of organisms adapted to different temperatures. Explain your graph and why you chose the ratios for each individual. A. Beetles that have lived for several generations in Alaska (far north = cold) b. Beetles that have lived for several generations in Kansas (warm) c. Beetles that have lived for several generations in South America (far south = hot)ste Paragrach Part 2: Icefishes live in the Southern Ocean, which encircles Antarctica. Icefishes have evolved to produce antifreeze proteins which prevent ice crystals from forming in their blood, when ocean temperatures drop below the freezing point of fresh water. The antifreeze proteins, which are produced in different amounts (high, medium and low) in different fishes, help them live In the cold waters. 1. What are the different variations of the antifreeze protein present in the population of Icefish? 2. Out of the variations which one is the favorable trait in the environment of the icefish? 3. Which icefishes will natural selection select for? 4. How will the icefish population in very cold waters, change over time? 5. Describe the adaptation in icefish (in terms of allele frequency and reproductive fitness) Page 2 of 2 409 words Focus 117% - 三 | 20,099 DEC 1. ...Help me please
- You are working as a Research Scientist I at Albany Molecular Research. For one of your bacterial growth media, you need to prepare 1.4 liters of a 35mM sucrose solution. What do you need to do? MW of sucrose is 342 g/mol Oa. dissolve 168 g of sucrose in ~ 1 liter and fill total volume to 1.4 liters O b. dissolve 8.55 g of sucrose in ~ 1 liter and fill total volume to 1.4 liters c. dissolve 16.8 g of sucrose in ~ 1 liter and fill total volume to 1.4 liters N d. dissolve 14.1 g of sucrose in~ 1 liter and fill total volume to 1.4 liters O e. dissolve 16.8 g of sucrose in 1.4 liters1. Create a summary chart with the following headings: Macromolecule; Indicator; Positive Result (2-4 words); Negative Result (2-4 words); Home Sample (2-4 words); Present or Not Present; Unknown Sample (2-4 words); Present or not Present. E.g. Macromolecule Indicator + Result Lipids Sudan IV Red - Result not red Home sample not red Present? NO Unknown red Present? YESP Flag question A buffer solution consisting of citric acid and citrate in a ratio of 5:1 maintains the pH at 7.4. What would be the ratio of the two components if the pH were to become 6.4 Select one: A. 1:10 B. 10:1 C. 60:1 D. 50:1
- ice or game and ce/ paragraph form. tness observed? 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 CYS CYS HIS CYS CYS CYS CYS ASP ASP ASP ASP ASP ASP LYS LYS LYS LYS LYS LEU LEU LEU LEU LEU LEU HIS HIS HIS HIS HIS ASP PRO GLU LEU LEU GLU LEU LEU LEU LEU THR THR GLU HIS VAL VAL VAL VAL VAL LEU Human Chimpanzee Gonla Rhesus monkey Horse Kangaroo LEU LEU LEU LEU LEU SER SER GLU SER SER SER SER HIS ASP ASP ASP ASP PRO GLU PRO GLU PRO PRO ASP PRO THR GLN GLU GLU GLU HIS HIS HIS GLU GLU GLU ALA LYS LYS HIS VAL 102 103 104 105 106 107 108 109 110 111 112 113 116 114 115 Human Chimpanzee Gordia Rhesus monkey ASN PHE PHE PHE PHE PHE PHE ARG ARG LYS LYS ARG LYS LEU LEU LEU LEU LEU LEU LEU LEU GLY GLY GLY GLY GLY GLY ASN ASN ASN ASN ASN ASN VAL LEU LEU LEU LEU LEU ILE VAL VAL VAL VAL ALA CYS CYS CYS CYS LEU ILE VAL VAL VAL VAL VAL CYS LEU LEU LEU LEU VAL LEU HIS HIS HIS HIS ARG GLU ALA ALA ASN ASN ASN ASN ASN VAL VAL VAL VAL LEU LEU LEU LEU ALA ALA ALA ALA Harse Kangaroo ILE VAL Activity adapted…VITATI KEY: Positive charge: Purple, Negative Charge: Pink Hydrophilic: Green Hydrophobic: Brown MOSTU. TOUT um b. Now change the second pull down to oil. What changes? וועען a. Set the first pull down to show charge and hydrophobicity and the second pull down as water. Click generate random protein, and then select random mix (last option). Run the simulation (arrow in center of playbar). What do you notice? (ie What type of amino acid are on the outside?) When you run it again, what is the same and what is different? c. Now change the second pull down to vacuum. What changes? What type of interactions remain? d. Now instead of ‘random mix’, click Mostly hydrophobic and toggle between oil and water. What do you notice? e. Lastly click All hydrophilic and toggle between oil and water. What do you notice? 2. What are the monomers (one subunit) of a polypeptide called? ● On the left half of the space below, draw a simple structure of a protein monomer with uncharged functional groups and…2)Four proteins Cytochrome C (pI=10.2) Myoglobin (pI=7.2), Hemoglobin (pI = 6.8) and Serum Albumin (pI= 4.8) were used in our gel electrophoresis lab exercise. Which protein would move toward the positive electrode? choose all that applies. Cytochrome C Myoglobin Hemoglobin Serum Albumin
- You are studying Protein A. In the picture below, which location is Protein A MOST likely to move to, and which location is Protein A LEAST likely to move to? OC 3 4 Most likely: 1. Least likely: 3 O Most likely: 2. Least likely: 3 O Most likely: 4. Least likely: 2 O Most likely: 3. Least likely: 2 O Most likely: 2. Least likely: 4 O Most likely: 3. Least likely: 1 Protein A to 2Please answer the question below and show all your work. You are given a pure protein sample to characterize and provided the following information: Its molar extinction coefficient, ε280, is 0.25 liters micromole^-1 cm^-1 Using a 0.5 cm pathlength cell, you measure the absorbance at 280 nm of a 20- fold dilution of your pure protein in solution (by this, we mean that 50 ul of the protein sample was diluted to a final volume of 1 ml) and find A280 = 0.40. What is the original concentration of the protein before dilution?5. Sometimes scientists have too much time on their hands! In a 2013 study it was reported that Proline accounts for 6.3% of the 10,882,808 protein amino acids with 46 proteins identified as having no proline. One protein however, long keratinocyte envelope protein (SPRR2G) composed of 73 amino acids contains 39.7% proline. If -10 mg of this protein was dissolved into 50 mM proline buffer how many proline (FW 115.1 g/mol) molecules would exist in one mL of the solution. Assume for unknown protein that each amino acid is -110 Da.