estimate the number of cells there are in the human body taking the volume of a cell is v= 1000um^3 where 1um^3=10^-18m^3 anf the volume of human body 0.1m^3. write in scientific notation.
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estimate the number of cells there are in the human body taking the volume of a cell is v= 1000um^3 where 1um^3=10^-18m^3 anf the volume of human body 0.1m^3. write in scientific notation.
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- You have an original cell density of 4.3x10 8CF/mL. What is this number in its non-scientific notation or "regular" format?. 43,000,000CF/mL. 0.000000043CfU/mL. 430,000,000CFU/mL. 0.00000043CFU/mL. 4.3CFU/mLThese cells are human cheek epithelial cells. What is their approximate cell size? Field Diameter = 240 µmThe physical characteristics of a cell influence how it functions. For example, the surface area and volume of a cell affect how efficiently waste is removed from the cell via diffusion. The table below shows data for four different cuboidal cells. Cuboidal cell Side length (um) Cell A 1 Cell B Cell C Cell D Surface area of a cube: A = 6s2 Volume of a cube: V = s3 Using the information from the table, what is the surface-area-to-volume ratio for the cuboidal cell that removes waste via diffusion most efficiently? -1 um 2. 4.
- Give the actual dimensions (lenght and width) of the cell shown in this microscope drawing. You are told that. the depth of this type of squamous cell is typically 460nm. Use this information to calculate the volume of the cell.1 2. Type here to search T Required The diagram below represents a cell. Carbon dioxide (CO₂) and oxygen (O₂) molecules can move freely across the cell membrane by diffusion. Some molecules CO₂ CO₂ CO₂ O 0₂ 02 O2 CO2 0₂ Based on the number of CO₂ and O₂ molecules both inside and outside the cell, what would most likely happen after a period of time? The concentration of O₂ will increase inside the cell. The concentration of O₂ will remain the same outside the cell. The concentration of CO₂ will remain the same inside the cell. The concentration of CO₂ will decrease outside the cell. DELL E @ J 3:56 P 9/15/2022This image is a model that shows 3 different sized cells. The yellow area of each square is the part of the cell where oxygen is able to easily get to through the cell membrane. Use specific information from this diagram to explain why even large organisms (like humans) are made out of many smaller cells. tv MacBook Air DII DD 888 80 F3 F6 F4 & @ # %24 7 2 3 4 Y U P W E R D F G H J K L <. C V command opti nand .. .- -の
- Average skin (epidermal) cell has a diameter of 30 micrometers. The majority of the surface of the human body is covered by skin cells. The average surface area of an adult male is 1.9 m2 and an adult female is 1.6 m2. 1. Use this formula to determine the area an average skin cell covers: Area = π (radius)2 Plug the radius (1/2 the diameter) of an average skin cell into the equation. area of an average skin cell ____________________ 2. Next, convert your surface area (average male or female) from m2 into mm2 your surface area____________________ 3. Then, divide your surface area by the average area of a skin cell. number of skin cells covering your body ____________________Count the number of living cells in this counting square: Select one: a. 21 b. 23 с. 18 d. 20There are 4 basic tissues in the human body. For each of the following organs/structures describe the location and function of at least three basic tissues found in them. Heart and stomach You have received GHS 1 million as a scientist to develop a vaccine for corona virus. You have been able to develop the vaccine but now the challenge is how the vaccine will enter the cells of the body when you inject it. From your knowledge of the structure of the cell membrane give and explain 2 features you can exploit in order for the vaccine to go across the cell membrane into the cell.
- You were interested to see a human cell under the microscope, so you went to the lab to look for a dye to stain human cells you looked for a stain called Answer: on The below table has measurements of the actual length of plant and animal cells arranged in the two columns, A and B. Please answer the following questions. Windows h ndows b A JB ut of 2:10 04/24 DELLSuppose you have a suspension of HeLa cells with a cell count of 85,000 cellsper ml, and you want to prepare a suspension for your experiment that has a cellcount of 40,000 cells per ml. You need 10 mls total for your experiment. Howmany mls of cell suspension will you add to your experimental tube? How manymls of cell culture media to bring the volume up to 10 mls?Volume of cell suspension: _____________________________________Volume of cell culture media:____Many microscopy techniques use cell characteristics, such as differences in absorption, refraction, or even light polarization. Fluorescence microscopy provides an image from a single molecular species, simply by looking at the fluorescence emission. How does fluorescence microscopy compare to other techniques? A.Image the location, diffusion or even transport of intracellular molecules.B.Accurately calculate the cytosol refractive index of a cellC.Count the number of cellsD.Accurately measure kernel size
