22. A mutant algae has some of its mitochondria missing with inner mitochondrial membrane. Which of the following processes would be completely affected in these mitochondria? A. alcoholic fermentation B. biosynthesis C. glycolysis D. electron transport chain
Q: Which of the following is not a component of a nucleotide? a monosaccharide a phosphate a d...
A: A nucleotide must have a Phosphate group, Monosaccharide sugar and a Nitrogenous base.
Q: What risks are involved in genetic engineering of crop plants? How do these risks compare with other...
A: Genetic engineering is a technique where the genes are edited or newly genes are inserted using gene...
Q: Explain how PEMBA is used to isolate, differentiate and enumerate Bacillus cereus from food sample.
A: Microscopic organisms such as bacteria, fungi (mold and yeast), protists, archaea, alga...
Q: Q7. Kinetics were analysed for an enzyme in the absence and presence of inhibitor. In the absence of...
A: In competitive inhibition the inhibitor competes with substrate for binding to an active site. In no...
Q: Your supervisor asks you to carry out an in vitro transcription reaction. Unfortunately, they are ca...
A: The genome of an organism is composed of DNA. The DNA is replicated during the time of cell division...
Q: Consider the following biochemical reaction. pyruvate + CoA-SH Acetyl-CoA + CO2 AG = -175 kJ Select ...
A: The change in free energy of a reaction ΔG is calculated by the equation: ΔG=ΔH −TΔS where ΔG is the...
Q: Summary Chart Macromolecule Monomer Polymers Bonds Functional Groups Examples CH2OH CH2OH он - CH,-C...
A: Macromolecules are the molecules of high molecular masses. These are composed numerous small molecul...
Q: In moelcular genetics, initiation is often accomplished using proteins that prevent elongation. Nam...
A: Initiation of a process in genetics is an important event. At this stage, cell prepare itself for th...
Q: How do you prepare 42:1 chloroform/isoamyl alcohol 70% ethanol?
A: Preparation of 42:1 Chloroform / Isoamyl alcohol Add 42ml of Chloroform and later add 1ml of Isoamy...
Q: Draw the product of the reaction below. (Upload your answer here) H- но ? NaBH4 HO -H H- ČH2OH
A: Given structure :- D-GALACTOSE (monosaccharide) In presence of NaBH4 , REDUCTION reaction oc...
Q: Why is ethanol a good solvent for the recrystallization of biphenyl, but acetone and water are not g...
A: Recrystallization is a process used to purify chemicals. In this, the compound to be purified is dis...
Q: Using diagrams of your own design, demonstrate how pH affects the charge distribution of an amino ac...
A: Amino acid is a compound that contains both amine group and a carboxyl group in a same molecules. ...
Q: Briefly explain the Michaelis-Menten model of enzyme kinetics.
A: Enzymes are commonly composed of protein molecules that catalyze the biochemical reaction by decreas...
Q: What are two examples of macro-molecules formed by dehydration synthesis
A: Macromolecules are large molecules which are composed of small molecules. Dehydration is a chemical ...
Q: What is ENDOSYMBIOTIC THEORY
A: All living things are made up of cells which are of two basic types: prokaryotes or eukaryotes. Prok...
Q: The conversion of succinate to fumarate in the TCA cycle is shown below. Need carbon a and b ans...
A: The series of chemical reactions that occur inside the living body for the production of energy are ...
Q: Using 25 μL of serum, how much diluent would be needed to create a 1:2 dilution? ______ μL
A: The process of reducing a solute concentration by adding solvent to a solution is referred to as dil...
Q: List the 5 possible Litmus Milk tests results, and explain what each test is used to detect (i.e. i...
A: Milk is a very good medium for the growth of microorganisms as it contains protein casein, sugar lac...
Q: 3. Tumor derived growth factor B (TGFB) is a secreted protein that has a diverse range of blological...
A: TGF-β (Transforming Growth Factor-β) employs the Smad proteins as the intracellular mediator of sign...
Q: Functional groups and linkages assignment Complete the reactions below. Circle and identify all func...
A: The hydrocarbon compound is N-butylpropanamide which is reacting with water.
Q: You sequence a new tRNA and discover that the anticodon sequence is 5'-IGC-3. What amino acid does i...
A: I corresponds to an unusual bas hypoxanthine, which is found in tRNA
Q: In the figures of ferricrocin and enterobactin, circle the parts of the molecule that are b) respons...
A: Ferricroxin ,is a siderophore involved in intra and transcellular iron transporter in Aspergillus fu...
Q: What is the term applied to the trinucleotide shown by the arrow? 5' AU Ру AGGCC G C G G G ACCACCUGe...
A: This a structure of tRNA, The tRNA molecule has a distinctive folded structure with three hairpin lo...
Q: Which subunit of bacterial RNA polymerase interacts with the -10 region of the promoter?
A: There are two questions on Transcription.
Q: Order the following choices to indicate the sequence of steps in the process of elongation of a grow...
A: The process of translation involves the synthesis of polypeptide chain and proceeds in three stages:...
Q: If a liver extract capable of carrying out normal metabolic reactions (including gluconeogenesis) is...
A: Gluconeogenesis is the metabolic route that leads to glucose production from non-carbohydrate carbon...
Q: does decreasing 2,3-BPG concentration increase or decrease the binding affinity of hemoglobin for ox...
A: 2,3-BPG - 2,3-bisphosphoglycerate Hemoglobin exist in 2 states: T-state (tense), and the R-state (r...
Q: What is the chemical reaction behind the carrot's pigments when it is subjected to different variati...
A: Carrot is rich in carotenoids pigments which is a polyene with numbers of double bound and two six c...
Q: Characterize the interconnection between Citric acid cycle and Urea cycle. Draw the scheme of this i...
A: Steps of citric acid cycle
Q: In cells, certain hormones, such as epinephrine, have the ability to raise the concentration of cAMP...
A: The ability of a protein to bind to a DNA segment can be analyzed using the method of Electrophoreti...
Q: The diagram below shows the basic structure of one type of lipid. Fatty Acid Fatty Acid Fatty Acid F...
A: The triglycerides have glycerol backbone and the three hydroxyl groups are esterified with three fat...
Q: Which nucleotide is shown in the picture above?
A: A nucleotide is formed by nitrogenous base, sugar and phosphate. Sugar binds with nitrogenous base b...
Q: a. You selectively label phospholipids with a fluorescent dye and perform the FRAP assay. You detect...
A: FRAP is a method to determine the diffusion or kinetics of the biomolecule through tissue or cells. ...
Q: An antibody (Ab) can bìnd to its antigen binding site (B) with a high affinity (large negative AG°)....
A: The antibodies bind to its antigen via non n covalent interactions like hydrogen bonding, hydrophobi...
Q: Proteins that span the biological membrane bilayers often contain α-helices and b-barrels. (a) Given...
A: Proteins have four levels of structural organization including Primary, secondary, terti...
Q: How are blood glucose concentration affected by heavy alcohol consumption? Please explain with extre...
A: Alcohol plays major role on health. Alcohol can effect every organ of the body. In an average person...
Q: bisphosphoglycerate mutase is an example of Select one: a. transferase b. lyase c. none d. isomerase
A: The enzyme bisphosphoglycerate mutase is responsible for the synthesis of 2,3-bisphosphoglycerate fr...
Q: 1-Strong acid should add to the solvent ( not the opposite). Why ?
A: Acids are chemical substances that give off hydrogen ions or protons when placed in a solution. Thus...
Q: What enzyme kinetic parameters are apparently impacted by competitive inhibitors? Vmax ...
A: Correct answer Option b. Km Explanation Competitive Inhibition: Competitive inhibition is a type...
Q: Please describe the corresponding elements that make carbohydrate, lipids, protein, nucleic acids
A: Biomolecules are composed primarily of the elements :- carbon(c) , nitrogen(N), hydrogen(H), oxygen(...
Q: Why is dietary fiber yood for you? What are some of its sources? What's the difference between solub...
A: Dietary fibers are carbohydrates. Fibers are mainly composed of polysaccharides. D...
Q: Evaluate the special traits of microbes in bioremediation of oil spill and their mechanism in degrad...
A: Process of removal of hramful/toxic substance using microbes or plant is called Bioremediation. Such...
Q: What is the chemical nature of the chromophores of each of the three materials separated on CM-Sepha...
A: Chromatography is a physical method for the separation of compounds. Two immiscible phases ...
Q: Below is the primary sequence of a viral protein. MSVVNTEIKFPTHLRSGDFAIIDGMVVEVTSVEYKPVEQAVYLKYRYHL...
A: Biomolecules are organic molecules made up of mainly carbon and hydrogen but there are other element...
Q: Q30. During passage through the G1/S transition, the phosphatase that removes the Tyr15 phosphate fr...
A: Cyclin dependent kinases (CDKs) are enzymes which belongs to the family of protein kinases and invol...
Q: Sketch a pyrimidine nucleotide subunit that would be found only in RNA. Circle and label the three c...
A: RNA is a polymer composed of nucleotides attached together via phosphodiester bonds. RNA is found as...
Q: What is the concepts of the native conformation of proteins? Why and how do proteins refold and unfo...
A: Proteins are polypeptide structures consisting of one or more long-chain amino acid residues. They a...
Q: Describe the growth cycle of a bacterial population from the moment when it is inoculated into a cul...
A: When singe cell colony of bacteria is inoculated into a growth media full of nutrient, they exhibit ...
Q: how color relate to the wavelength of light absorbed by solution and lambda max?
A: Every solid object that we see has a color depending upon the light it reflects. Light is composed o...
Q: Some bacteria produce the enzyme penicillinase, which breaks the beta-lactam ring in the penicillin ...
A: Penicillin is able to kill bacteria by inhibiting their cell wall biosynthesis . The cell walls of b...
Step by step
Solved in 2 steps
- The enzyme directly responsible for almost all carbon fixation on Earth is (a) rubisco (b) PEP carboxylase (c) ATP synthase (d) phosphofructokinase (e) maltaseWhen deprived of oxygen, yeast cells obtain energy by fermentation, producing carbon dioxide, ATP, and (a) acetyl CoA (b) ethyl alcohol (c) lactate (d) pyruvate (e) citrate1. Boiling the solution (water + glucose + yeast + heat) had not impact on the ability of yeast to undergo fermentation. True or false? 2. The pH of the solution was acidic in the flasks in which fermentation occurred. True or false? 3. In the absence of oxygen, yeast cells can obtain energy by fermentation, resulting in the production of _______. A. ATP, carbon dioxide, and ethanol (ethyl alcohol) B. none of the above C. ATP, NADH, and water D. ATP and carbon dioxide
- 7. Why are electron carriers (NAD+/NADH and FAD/FADH2) so important in the process of cellular respiration? a) They deliver electrons to the ETC, which in turn sets up chemiosmosis, where most of the ATP is generated. b) They separate the electrons from the protons so that the protons can be moved out of the mitochondrion. c) NADH and FADH2 are major components of the ETC, so without them, there would be no ETC in the cell. d) The electrons that they carry are able to directly phosphorylate ADP in order to generate the bulk of ATP in the cell. e) They transport protons across the mitochondrial membrane.3. The following diagram shows some of the metabolic processes taking place in a plant cell. a) Identify process Y and state the name of the organelle where it takes place in a plant cell. b) Process X uses oxygen and produces ATP. Identify process X. c) With reference do the diagram, identify one example of catabolism3. Photosynthesis provides the following to living systems: a. lipids and oxygen. b. atmospheric oxygen and chemical energy c. organic "fixed" carbon. d. hydrophyllic compounds. e. b and c 4. Gamma rays: a. are necessary for plants to photosynthesize b. cause cells to begin to divide c. are high energy short wavelength rays from the sun d. are low energy long wavelengths rays from the sun
- The major source of nutrients in the headwaters of a small stream is form: a. dead leaves and other organic matter from adjacent land. b. photosynthesis by phytoplankton. c. photosynthesis by floating aquatic plants. d. the activity of chemoautotrophic bacteria. e. minerals from the underlying bedrock.According to one hypothesis, negatively charged clay particles played a role in early ______ . a. protein formation b. DNA replication c. photosynthesis d. oxygen declinesWhat is the final acceptor for electrons in cellular respiration? a. oxygen b. ATP c. carbon dioxide d. hydrogen e. water
- The oxygen released by photosynthesis comes from: a. CO2. b. H2O. c. light. d. NADPH. e. electrons.The reactions of _____ take place within the cytosol of eukaryotic cells. (a) glycolysis (b) oxidation of pyruvate (c) the citric acid cycle (d) chemiosmosis (e) the electron transport chain1. Which of the following is NOT a possible disadvantage of using biomass as a form of energy? o low photosynthetic efficiencyo low potential supplyo soil erosiono possibly nonrenewable2. A(n) ___ absorbs and stores heat from the sun directly within a structure o active solar heating systemo passive solar heating systemo active nuclear energyo passive nuclear energy3. The__ is the name for a system that produces two useful forms of energy from one o regenerationo post-generationo degenerationo cogeneration4. If nuclear fusion reactors could be built successfully, which of the following would NOT be one of their advantages? o little risk from terroristo lower levels of radioactive wasteo low cost of operationso no carbon dioxide emissions5. Which form of power has more advantages and fewer disadvantages than any other energy source?o fuel cell powero hydroelectric powero solar powero wind power6. Which of the following is a by-product of burning hydrogen, taken from water, as a fuel?o…