TRUE OR FALSE?
Q: 7. Which set of the following amino acids are all polar? a. W K Q b. H M N c. T N Y d. M T C e. P C...
A: The side chains of amino acids are used to categorize them. Glycine (Gly), alanine (Ala), valine (Va...
Q: Fill in the blanks with the numerical answer only: Number of electrons generated in oxidation of 1 g...
A: In cellular aerobic respiration, cell break glucose molecule into pyruvate (Glycolysis) which then c...
Q: The dissociation constant for a particular repressor-operator complex is very low, about 10-19 M. An...
A: In the question, Volume of cell = 2x10-12 ml = 2x10-15 Liter Number of repressor molecule in one cel...
Q: With regard to item packaging, which is true: Group of answer choices Package each item separately; ...
A: True statement with regard to item packaging.
Q: There are 5 tyrosines, 6 phenylalanines, and 1 tryptophan in bovine mercaptoalbumin protein. The Mol...
A: UV spectrum of a protein is determined by its amino acid composition with major contributions arisin...
Q: Classify the following polysaccharides Chitin ...
A: The term "biomolecule" refers to a molecule created by living organisms or cells. The most common bi...
Q: gal(α1→6)gal(α1→6)glc(α1↔2β)fru. Which of the complete IUPAC of this tetrasaccharide?
A: Saccharide refers to sugar or anytjing composed of sugars. A tetrasaccharide is an oligosaccharide c...
Q: Sugar polymers may vary both in the composition of the sugar monomers and in the types of connecting...
A: Carbohydrates are important biomolecules that are extensively used by various life forms on earth as...
Q: This is a reducing tetrasaccharide and is made up of 3 different monosaccharides True False
A: Given tetrasaccharide - Alpha(1,6) glycosidic linkage between 1st and 2nd monomer;2nd and 3rd monome...
Q: From the complete oxidation of glucose (glucose > 6CO2), how may total NADH electron carriers are pr...
A: The metabolic pathway that breaks down glucose and produces ATP is known as cellular respiration. Gl...
Q: All of the following are parts of the honeybee's processing of honey EXCEPT: producing a small...
A: The honeybee is a fantastic flying mechanism. She can carry a nectar or pollen payload that is close...
Q: Seatwork CH2 CH Identify the type of bond(s) that stabilizes the protein structures. H,C H,C CH CH H...
A: A peptide bond is a chemical bond between two amino acid residues in which the carboxyl group of one...
Q: a) Assuming that ubiquinone is unavailable inside of the cell, calculate the AG and the Keq if elect...
A: Gibbs free energy: Gibbs's free energy is a calculation of chemical energy. All chemical systems fa...
Q: Number of electrons generated in oxidation of 1 glucose to 2 pyrvuate in glycolysis. _ Number of el...
A: 1.Number of electrons generated in oxidation of 1 glucose to 2 pyrvuate in glycolysis. Answer: In...
Q: 3. What is the molecular formula of sucrose? (in 1 to 3 sentences, explain why this is your answer)....
A: 3. The Molecular formula for sucrose is : a. C12H22O11 Each sugar molecule in sucrose molecule cont...
Q: 47.What are histones? What is the protein composition and organization of the nucleosome particle? ...
A: Note : Hi ! Thank you for the question. We are authorized to answer three subparts at a time. Since ...
Q: Draw (be specific on the structures of each component in the cycle) and explain the entire process o...
A: Citric acid acid cycle , also called as Tricarboxylic acid cycle (TCA cycle) as the first stable int...
Q: 3. Paramecia are unicellular organisms that have contractile vacuoles to remove (pump) excess intrac...
A: Osmoregulation is the process by which all the cells can establish their water and salt balance such...
Q: threose-4 phosphate (a 4 carbon aldose) is fed into glycolysis after a decarboxylation reaction that...
A: Aldose is a monosaccharide and consists of carbon chain containing a carbonyl group on the endmost c...
Q: How many net ATP molecules are produced during the reactions of photosynthesis for each molecule of ...
A: The dark reaction or light independent reaction of photosynthesis reduces carbon dioxide to glucose....
Q: Match the description on COLUMN A with their associated terms on COLUMN B. No overlapping answers CO...
A: S.No. DNA RNA 1 Deoxyribonucleic Acid. Ribonucleic Acid. 2 Generally double stra...
Q: )Suppose you were culturing a population of bacteria at 37 degrees C and then reduce the temperature...
A: The maintenance of the fluidity of the plasma membrane is important for cell survival. The membrane ...
Q: Of the following cell membrane lipids, which one 1) prefers to reside in the inner leaflet (or inner...
A: The cell membrane is also known as the plasma membrane, which maintains the shape of the cell. It is...
Q: OH НО HO- OH HO Но- OH ОН OH OH Но What are the monosachharides that make up this trisaccharide? a-D...
A: Here the structure is of tri-saccharide where three monosaccharides are linked with covalent O-gly...
Q: 2. Using the standard 3.6 amino acids per turn (360°) and the helical wheel below, plot each sequenc...
A: Helical wheel plot is used to alpha helix of protein structure in 2D plane. This is helpful in ident...
Q: 4. A new drug is developed which selectively cleaves covalent bonds between two sulfur atoms of non-...
A: The disulfide linkages between the side chain -SH of cysteine residues that are distant in the prima...
Q: A collection of 1-stearoyl-2-oleoyl-3-lauroylglycerol molecules is most likely to form a/an (bilayer...
A: 1-stearoyl-2-oleoyl-3-lauroylglycerol Large lipid tail is present in the molecule alongwith the pola...
Q: What transport rates for each condition would you expect if the experiment was repeated using 12µM ...
A: Serotonin is a neurotransmitter and it gets transported via a transporter protein found in the plasm...
Q: Which of the following amino acids can form 2 H-bonds within an alpha helix?
A: The question is all about the amino acid that are simplest form of protein by which a protein can be...
Q: 6. Which of the following statements concerning bile acids is incorrect? They are... a. Insoluble in...
A: Bile acids are steroid acids present in bile of mammals and vertebrates. These bile acids are conju...
Q: OH но HO- OH OH но Но Но но Но OH
A: The shown sugar is a trisaccharide with the monomers Glucose-Glucose-Galactose Alpha(1,4) linkage i...
Q: Why does buffers is significant inside a human body?
A: A buffer system is a solution that resist change in pH when acids or bases are added to it. buffer ...
Q: From the complete oxidation of glucose (glucose → 6CO2), how many total NADH electron carriers are...
A: Glycolysis is a process in which one molecule of glucose is converted to two molecules of pyru...
Q: The compound tetraethylammonium (TEA) blocks the voltage-gated changes in potassium permeability tha...
A: Action potentials are known to be the source of neuronal transmission, in the form of electrical sig...
Q: This reaction is catalyzed by a? Which class of enzyme
A: Enzymes are categorized according to the type of reaction they catalyze. There are six types to enzy...
Q: Provide more than one reason why liquid soaps or body washes are better than regular bar soaps. 2. L...
A: 1. Bar soaps- works by dissolving the dirt on the surface of your skin as sweat and dirt mix with yo...
Q: Using the standard 3.6 amino acids per turn (360°) and the helical wheel below, plot each sequence o...
A: A helical wheel is a visual representation of amino acids that is used to illustrate the alpha helic...
Q: Manufacturer(s) of the compound – is it generic? Is it patented? Can you purchase it over-the-counte...
A: Caffeine is a plant-based alkaloid that stimulates the central nervous system of any person who cons...
Q: an you please correct my answers? I have answered each questions. Answers can be found after the que...
A: Carbohydrates are sugars that provide energy for our body, It is composed of organic compounds like ...
Q: Which of the phi/psi angles would be violating a ramachandran plot? Select all that apply: Phi= 90;...
A: The Ramachandran plot is a plot of the torsional angles - phi (φ)and psi (ψ) - of the residues (amin...
Q: What is the CFU per mL when a 0.7mL stock suspension containing 2.1 x 10^9 CFU per ml was diluted to...
A: CFU indicates the number of microorganisms present in a sample, based on the fact that theoretically...
Q: 67. To make an insertion using CRISPR Cas9, one must include a DNA with flanking sequences similar t...
A:
Q: From the complete oxidation of glucose (glucose → 6CO2), how many total nucleotide triphosphates a...
A: Glucose metabolism's major pathway is glycolysis. Which take place in both aerobic a...
Q: ОН НО HO- OH НО НО- OH OH ОН НО What are the glycosidic linkages in this structure?
A: Glucosidic bond is tge one involved between two rings of a single oligosaccharide. It is a typical c...
Q: What is the trade name of haloperidol ?
A: Haloperidol is a drug that is used to treat a variety of mental and mood disorders (for example, sch...
Q: POST-LAB QUESTIONS: 1. Discuss the chemical basis of the positive and negative results of the chemic...
A: Lipids are not polymers. The simplest form of lipid is fatty acids that are a long chain...
Q: . What are the tissue sources of Alkaline phosphatase? 2. What are Regan and Nagao isoenzymes? 3....
A: Alkaline phosphatase ALP is a ubiquitous membrane bound glycoprotein present in many mammalian tissu...
Q: 4. Identify the membrane lipids and describe their structures and roles. 5. Which is more hydrophili...
A: Since we only answer up to 3 sub-parts, we'll answer the first 3. Please resubmit the question and s...
Q: Determine in descending order which lipid is most polar to least polar. Explain your answer.
A: Lipids are non-polar molecule that is soluble in nonpolar solvents. Lipids are involved in energy st...
Q: Ninhydrin Test Samples used: Egg Albumin Gelatin Dispersion Added reagent: Ninhydrin Solution ...
A: Ninhydrin is a general test for proteins and amino acids. It degrades amino acids into aldehydes, am...
1. LIVING PROCESSES CONTAIN THOUSANDS OF CHEMICAL PATHWAYS, PRECISE REGULATION AND INTEGRATION OF THESE PATHWAYS ARE REQUIRED TO MAINTAIN LIFE.
TRUE OR FALSE?
2. INSTRUCTIONS FOR GROWTH, REPRODUCTION AND DEVELOPMENT FOR EACH ORGANISM IS ENCODED IN THEIR DNA.
TRUE OR FALSE?
3. A LIPID/PROTEIN/CARBOHYDRATE COMPLEX PROVIDING A BARRIER AND CONTAINING TRANSPORT AND SIGNALLING SYSTEMS?
Step by step
Solved in 3 steps
- Which of the following statements are correct about how the complex biological matrix of the cell may affect protein folding, stability and function (select all that appy)? A. ATP tends to "bounce" along the surfaces of many proteins without forming a stable complex B. Proteins make up approximately 30% of the total volume of the cytoplasm in a typical cell C. Compettition between drug molecules and metabolites in the cytoplasm may cause unexpected drug side effects not seen with individual proteins in solution. D. Large protein complexes move faster through the cytoplasm than small metabolites. E. Complex intercations between proteins in the cell may significantly destabilize a protein compared to the isolated protein in water1. Explain in detail how amino acids can be transported across the plasma membrane 2. By using the concept of endomembrane system, explain how plasma membrane involves in the protein synthesis of a cell. 3. With suitable examples, compare the structural and functional differences between a fibrous and globular protein. 4. A person suffers from a skin condition and loss of muscle. A doctor suspects the patient has protein deficiency. Justify why the doctor thinks so.The plasma membrane is composed of a variety of lipid molecules. 1. Phosphatidylethanolamine 2. Phosphatidylcholine 3. Phosphatidylinositol 4. Phosphatidylserine 5. Sphingomyelin 6. Glycolipids 7. Cholesterol. Which lipids contain sugar molecules?
- view View Help O Editing AaBbCc AaBbCc No Spacing AaBbCc AaBbe Normal Heading 1 Heading Paragraph Styles 34) The RNA that has an anticodon and attaches to a specific amino acid is RNA. 35) T/F Buffers cause abrupt and large changes the pH of the body by releasing or binding H+ ions. 36) What is a dynamic equilibrium of your internal environment termed? 37) are membrane junctions that distribute tension across a sheet of cells. 38) T/F About 60% to 80% of the volume of most living cells consists of organic compounds. ictions: OnThe following is the site where a lipid is added to a protein to make a lipoprotein: O a. Nucleus O b. Rough Endoplasmic Reticulum O c. Lysosome O d. Mitochondria O e. Golgi apparatus1/How can an inhibitor affect enzyme activity in a cell? 2/Outline glycolysis in terms of phosphorylation and dephosphorylation. 3/ Cells can be broken and then centrifuged to separate organelles, such as mitochondria. If isolated mitchondria were then broken and centrifuged, the membranes would separate from the matrix. Knowing this, develop a hypothesis about the properties of either the matrix or the membranes. Clearly identify what you intend to discover and briefly outline how you would test your hypothesis.
- Which of the following statements about proteins is correct? a. Proteins are transported to the rough ER for use within the cell. b. Lipids and carbohydrates are added to proteins by the Golgi complex. c. Proteins are transported directly into the cytosol for secretion from the cell. d. Proteins that are to be stored by the cell are moved to the rough ER. e. Proteins are synthesized in vesicles.Match each membrane molecule with its corresponding description. [Each choice will be used exactly once.] Help animal cell membranes maintain fluidity. Combine with other molecules to make cell surface markers that identify self from non- self. Lipid that can be described as saturated or unsaturated. Can serve as transport channels. 1. Phospholipids 2. Carbohydrates 3. Proteins 4. Cholesterol1) Placing phospholipids in water will spontaneously form a spherical structure called a:Group of answer choices lumen ball sphingoid cytoskeleton liposome 2) Saturated fatty acidsGroup of answer choices Have each carbon "saturated" with hydrogen Have each carbon "saturated" with other carbons Have each carbon "saturated" with hydrogen and are solids at room temperature Are solids at room temperature Contain double bonds 3) In intestinal epithelia, glucose can be taken into cells against its concentration gradient. How can glucose be transported against its concentration gradient without the direct expenditure of ATP in intestinal epithelial cells?Group of answer choices It uses simple diffusion It uses the Glut1 transporter It uses the Glucose ATPase It uses the Glucose/Na+ symporter None of the above. Due to the Second Law of Thermodynamics, molecules cannot be moved against their concentration gradient.
- Match the following cellular features and activities with the properties of cells. Cell structure is highly complex and organized structurally. Cell posseses genetic information. Cells engage in metabolism. Cells sense and respond to changes in the environment. A. Mistakes in the genetic material are called mutation. B. Protein receptors on cell membranes receive specific ligands that "communicate" the presence of a simulus or stimuli. C. Cells contain "blueprints" for constructing cellular structures, for rrunning cellular activities and for making more of themselves. D. All living systems are capable of doing "work" in whatever form. E. Cell…Which of the following statements is/are incorrect? 1. The cell membrane is purely hydrophobic. 2. Glycerophospholipids have a phosphate derivative group that is known as the polar head group. 3. The individual glycerophospholipid molecules that aggregate become covalently linked to each other to form a lipid bilayer. 4. The interfacial region of a lipid bilayer is polar due to the polar head groups of the lipid molecules that make up the bilayer. O 1 and 3 O 1 only O 2 and 4 O 3 only O 4 onlyWhich of the following statements about DNA are true? (choose all that apply) O It is a polymer composed of nucleic acids O It is often found as a small molecule combined with cell surface proteins and lipids and serves as a kind of name tag identifying "self" to distinguish it from "nonself" O it is a polymer composed of carbohydrates, and is one of the molecular building blocks of cell wall. O DNA is the molecule that stores the genetic information. O in eukaryotes, it is primarily found in the nucleus, a membrane-bound structure that contains the metabolic and chemical processes of gene expression and MRNA transcription. O it is a polymer composed of amino acids, and is one of the important subunits in cell membranes. O in prokaryotes, it is found in the nucleoid region, but prokaryotes don't have a membrane-bound nucleus.