Cellular fluids of freshwater sponges are hyperosmotic with respect to the surrounding seawater. Therefore, these sponge cells

Q: Describe the factors that affect diffusion at the molecular level? Describe physiological mechanisms…

A: factors that affect diffusion at the molecular level is.. 1. Concentration difference... Molecules…

Q: Animal cells are enclosed in a cell membrane. According tothe fluid mosaic model, this membrane is…

A: The animal cell is enclosed by a bilipid layer, which acts as a semi-permeable membrane. This allows…

Q: When Solute concentration outside the animal cell is LESS than that inside, the cell will become:…

A: An animal cell is defined as a type or kind of eukaryotic cell that will lack a cell wall and,…

Q: How do multicellular organisms overcome limitations of diffusion? Choose the most complete answer.…

A: The cells in multicellular organisms have various forms of transport mechanisms that allow them to…

Q: These cells are human cheek epithelial cells. What is their approximate cell size? Field Diameter =…

A: Cell counting methods are used to ensure consistent cell concentrations that are needed for…

Q: The primary function of the kidney is to exchange molecules across a membrane between the blood and…

A: The projections increase the surface area–to-volume ratio of the cell, which allows for more…

Q: The figure below shows a living cell from the lung epithelium of a newt at different stages in M…

A: Mitosis is a process of cell division in which a parent cell divides into two identical daughter…

Q: Most marine invertebrates are osmotic conformers. How does their body fluid differ from that of…

A: Those organisms that live in the marine environment which are capable of maintaining the internal…

Q: Sponges are full of holes, jellyfish are big open sacs, and flatworms are flat. How are these…

A: Cellular respiration is the energy-liberating process. It links with the gas exchange. Different…

Q: A cell from heart muscle would probably have an unusually high proportion of

A: Heart Muscle  A cardiac muscle cell is highly branched and contains gap junctions called…

Q: Erythrocyte glucose transporter is an example ofa) Ion driven active transportb) Facilitated…

A: Molecules can move via biological membranes via 2 main methods : active and passive transport.…

Q: Which one of the following structures between two adjacent cells is an effective transport pathway?…

A: All living cells are divided into eukaryotic or prokaryotic cells. Plant cells are eukaryotic cells,…

Q: In what context might a cuboidal cell be superior to a columnar cell? O When their spatial…

A: Types of epithelial tissues-  Squamous - simple & stratified Cuboidal - simple & stratified…

Q: Describe the different ways that cells can engulf materials in the extracellular fluid.

A: Every cell consists of a membrane that is accountable for the transportation of substances or…

Q: In which situation would passive transport not use a transport protein for entry into a cell? water…

A: The transport of substances across the cell membrane occurs in two ways; active transport and…

Q: This graph shows facilitated diffusion of a compound across a cytoplasmic membrane and into a cell.…

A: Diffusion is a process of passive transport in which molecules move from an area of higher…

Q: The image illustrates passive and active transport across the cell membrane.  (Use the diagram to…

A: According to our guideline we can answer only the first question and upto three subparts. So, upload…

Q: Using the appropriate osmotic terms (hypertonic, hypotonic, or isotonic) describe what would happen…

A: Since we only answer up to 3 sub-parts, we’ll answer the first three. Please resubmit the question…

Q: Why are membranes said to have selective permeability?

A: The cell membrane of most organisms is composed of the phospholipid bilayer. The movement of…

Q: Define osmosis; characterize isotonic, hypertonic and hypotonic solutions and what happens to cells,…

A: There are multiple questions. First two questions are answered. If you need answers for the…

Q: Why can some cells transport materials against the concentration gradient? Could animals’ cells…

A: The plasma membrane, sometimes also known as the cell membrane, forms the outer protective layer of…

Q: Which of the following statements about "leak channels" in the plasma mem- brane is correct? A.…

A: Introduction - The sodium ions concentration inside the cell is low, while the sodium ions…

Q: Osmoconformers that live in marine environments have bodies that are ____ to the seawater.   A.…

A: The seawater is hypertonic due to its high level of salinity. The organisms that are able to…

Q: If a cell is non-selectively engulfing samples of extracellular fluid, for example to absorb…

A: To find If a cell is non-selectively engulfing samples of extracellular fluid, it will utilise…

Q: Explain the process in the below diagram. Where does it occur in living beings- in plants and…

A: The form of transport in which movement of ions across semi-permeable cell membranes takes place…

Q: Young downstream salmon migrants moving from their freshwater natal streams into the sea leave an…

A: A process that maintains the constant osmotic pressure in the fluids of an organism is referred to…

Q: If a Paramecium was to swim from a hypotonic environment to an isotonic one, what will change in the…

A: Paramecium is a free living ciliated organism found in fresh water. It contains two contractile…

Q: 2% urea is therefore (select all that apply): hyperosmotic isotonic hypotonic hypertonic…

A: Isotonic: A solution with the same concentration as the surrounding is known as an isotonic…

Q: why is the molecular machinery for membrane fusion is important for any cell that utilizes vesicular…

A: A vesicular transporter or vesicular transport protein helps in the transport of molecules across…

Q: You find a small metazoan and determine that its radius substantially exceeds 0.5 mm. You could thus…

A: Answer: Diffusion is the process of transporting nutrients or soluble molecules from higher…

Q: Most adjacent plant cells are connected by plasmodesmata, whereas only certain adjacent animal cells…

A: Gap junctions are a type of connections present between the animal cells.

Q: _____________ is a form of membrane transport that requires a channel or carrier but no direct…

A: The cell membrane of a cell is a lipid bilayer with different proteins embedded in it. It separates…

Q: Membrane proteins may serve as binding molecules with the extracellular matrix

A: * Membrane proteins are the proteins that interact with biological membranes and they fall into…

Q: what transport proteins are involved is getting ca2+ out of cytosol

A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…

Q: Using Osmosis, Balance, Compartment, Cell, Water, Permeability, and Membrane in your explanation.…

A: The above-bolded lines are taken from the poem "The Rime of the Ancient Mariner" by Taylor…

Q: Give two examples of extra-cellular fluids.

A: Body fluids in the human body are distinguished into two major types as extracellular fluids and…

Q: A migraine fish would be rapidly transferring substances across cell membrane. The substances would…

A: Primary active transport is the process by which chemical energy (usually stored in ATP) is used to…

Q: Explain the steps involved in phagocytosis. Why endocytosis found only in an animal cell? What is…

A: Steps involved in Phagocytosis Target cell is attached to with the phagocyte using pseudopods.…

Q: Even under isotonic conditions, there is a slow leakage of ions into animal cells. How does the…

A: Osmosis is biochemical process by which water moves from a less concentrated solution to more…

Q: About Transport Mechanism What are the concept of Fluid mosaic model related in the following terms?

A: Fluid Mosaic Model-----Many types of molecules which make along  molecules of lipids , both bound…

Q: Explain why the statement is correct. Which is true of the ribosomes of endoderm cells of the…

A: Ribosomes  Ribosomes are small organs of a cell. They have two sub unit one is big and one is small.…

Q: Without saturation of transport proteins and under the same concentration gradient how can the speed…

A: Diffusion is the process in which particles moves from higher concentration region to lower…

Q: increases the fluidity of the membrane at all temperatures. decreases the fluidity of the membrane…

A: The presence of cholestrol in the cell membrane of some animals helps to keep the integral proteins…

Q: What is another way to answer this question Describe various examples of active transport. How is…

A: The movement of substances through the cell membrane, either into or out of the cell, is referred to…

Q: Describe the principles behind each process.           Cite an example where each of these…

A: Membrane transport is a term that refers to a set of mechanisms that control the passage of ions and…

Q: Select the best answer or answers from the choices given: The solute-pumping type of active…

A: The transport of macromolecules like proteins and lipids into and out of the cell is dependent on…

Q: What kind of Active Transport Mechanism is shown on the image.

A: Phagocytosis is eating of solid food particle by a cell mediated by an invagination in the cell…