Give typing answer with explanation and conclusion The content of nucleolus is __ with the rest of the nucleoplasm as it is not a___?site for and lager and numerous nucleoli are present in ?
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Give typing answer with explanation and conclusion
The content of nucleolus is __ with the rest of the nucleoplasm as it is not a___?site for and lager and numerous nucleoli are present in ?
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- Name the three major assumptions made by the "Cell theory". (i) The lipid membrane is composed of lipid molecules. Explain the principle of membrane formation highlighting the role of the physical properties of the lipids. (ii) Comparing dimensions and length scales is often a first step in an analysis. Give an approximate value for the thickness of a lipid bilayer and the linear length of a helical turn of a DNA double helix. A technician wants to amplify DNA from a patient sample. However, the lab is not equipped with a thermocycler. (i) (ii) Name two methods for DNA amplification that can be operated at constant temperature and give their acronyms. Explain these two methods in detail using a schematic and name all necessary components that are required to perform the amplification. Describe the main function of the middle ear. Highlight the role of the ossicles and the tympanic membrane.2_53392678751... material, separate from the DNA in the nucleus, and can make copies * .of themselves the lysosomes and peroxisomes. the endoplasmic reticulum. the mitochondria. the ribosomes. نقطة واحدة * :The range of the blood pH is 7.0 to 7.50 7.30 to 7.40 7.40 to 7.53 7.35 to 7.45 نقطة واحدة The . . are the rarest form of white blood cells and are involved in >Order following for rate of diffusion through a synthetic lipid bilayer. Explain your order. K+, O2, ethanol, sucrose, tRNA, H2O
- Suppose an organelle contains 0.03 M KCl and 25 mM NaCl. How many grams of sucrose would you need per liter of solution to isolate intact organelles at 25 degrees Celsius (room temperature)? R is the gas constant = 8.315 J/molk T is the absolute temperature in Kelvins. Answer with 2 decimal places as before.CELL STRUCTURE AND FUNCTION – EUKARYOTES, PROKARYOTES AND VIRUSES-LABORATORY REPORT SHEET ACTIVITY 2: CELL MEMBRANES, OSMOSIS AND DIFFUSION Initial Volume (Vi) (mL) Final Volume (Vf) (mL) Change in Volume (Vi – Vf) (mL) A 20% sucrose 20% sucrose 92.0 mL 94.0 mL -2.0 mL B 40% sucrose 20% sucrose 92.0 mL 92.0 mL 0.0 mL C 20% sucrose 40% sucrose 92.0 mL 90.0 mL 2.0 mL Treatment Percent Change A -2% B 0% C 2% Hypothesize which dialysis bags should gain, lose or stay the same in regards to volume. Explain. Which solution is hypotonic, hypertonic and isotonic? Explain what the change in volume of the dialysis tube indicated and describe what happened when the volume increased and when the volume decreased. Explain the relationship between solute concentration and amount of free water or water available for movement.Name the three major assumptions made by the "Cell theory". (i) The lipid membrane is composed of lipid molecules. Explain the principle of membrane formation highlighting the role of the physical properties of the lipids. (ii) Comparing dimensions and length scales is often a first step in an analysis. Give an approximate value for the thickness of a lipid bilayer and the linear length of a helical turn of a DNA double helix.
- Plasma membrane [ Choose] Lysosome [ Choose] Mitochondria [ Choose] Rough endoplasmic reticulum [ [ Choose ] Golgi apparatus V [ Choose ] Cellular warehouse and shipping area of proteins Outer boundary of cells Nuclear membrane Non membranous, made up two subunits facilitates protein synthesis Hydrolytic enzymes enclosed in a vesicle Generates chemical energy of cells Microtubule Endomembrane system studded with ribosomes Membrane containing the genetic material of the cell Made up of tubulin subunits Ribosome (Choose] Next PreviousDO NOT COPY THE ANSWER FROM THE SAME QUESTION. Sassa, a biology professor, wanted to demonstrate to her students the applicability of a dialyzing membrane (DM) as a model for the cell membrane by enclosing an aqueous solution in a DM bag and immersing in a beaker containing a different solution. Substances available which are permeable to the DM include 0.02 M NaCl, 0.03 M glucose, and 0.01 M glucose. The only substance available which is completely impermeable to the DM is the 0.01 M lactose. Using the substances given and materials such as a beaker, stirring rod, and string, draw ONLY ONE set-up that can be demonstrated by Ms. Sassa that will satisfy ALL of the following conditions:a. No solute will exhibit a net diffusion out of the cell.b. Glucose will exhibit a net diffusion into the cell.c. NaCl will exhibit a zero net d. No net movement of lactose from the inside to outside of the cell. Make sure to label properly the substance inside the beaker and inside the DM bag.The image below shows a density gradient centrifugation carried out to separate a mixture of lysosomes, peroxisomes and mitochondria Organelle mixture 60L 1.11 Centrifuge 1.15 2 1.19 1.22 1.25 Which fraction would you take to obtain mitichondria, and why? O Fraction 2 because mitochondria contain haemoglobin. giving them a reddish colour O Fraction 3 because it is the most dense fraction O It is impossible to decide without further testing O Fraction 1 because it is the least dense fraction O Fraction 2, because mitochondria contain haem, giving them a reddish colour Increasing density of sucrose (g/cm³) 3.
- Found in Found in Prokaryotes? Eukaryotes? Organell:/Structure (Y/N) (Y/N) Functions and other notes of importance Eimbrae Flagella Gap junctions Glycocalyx Golgi apparatus Lysosome Microvilli Mitochondrion NucleoidProteins and phospholipids rarely exhibit transbilayer movement in membranes without an input of energy. True FalseBelow is the skeletal formula of a molecule typically found in cell membranes. What type of molecule is this and how can you tell? What are the functions of this type of molecule in the plasma membrane of a cell? CH3 CH₂) (CH₂) 16 CH3 Ko