What do you think causes the difference in time that it takes water to pass through the different materials? Use the terms porosity and permeability in your answer.

Q: For osmosis in science, if you gargle with salt water why does your throat stop hurting?

A: Osmosis is a process in which the net movement of solvents is from higher water potential to a…

Q: How does the size of a solute affect the rate of diffusion? Consider the size and shape of a…

A: Diffusion is the phenomenon of movement of solute from a region of high concentration to a region of…

Q: Assume that water constitutes 60% of a person’s body weight. What fraction of a person’s body weight…

A: Total body water comprises the water that is present inside the cells i.e. intracellular fluid (ICF)…

Q: answer the question. The bombardier beetle is spraying a boiling hot liquid that contains irritating…

A: Introduction: Beetle is considered to be the gardener's friend and it is a fearsome predator as it…

Q: How could membranes promote the movement of ions out of or into cells? How could membranes restrict…

A: Membrane proteins are defined as proteins that are embedded in the plasma membrane of the cell. They…

Q: List various types of transport and give example of each in biology

A: Various molecules enters or goes out of the cell using various transport systems of the cell.

Q: ______ Can Separate Particles and Molecules That Differ in Mass or Density.

A: BASIC INFORMATION MATTER Everything that are present in our surroundings can be regarded as matter.…

Q: The emergent property of water that contributes to surface tension is ?

A: The emergent property of water that contributes to its surface tension is cohesion. When the…

Q: controls the movement of molecules

A: A cell is a small self-contained unit within whole organisms. It is the smallest unit of the body.…

Q: Contrast the relative concentrations of sodium and potassium ions inside and outside of a cell.

A: Cells have membranes that are made of lipid molecules and they prevent most things from entering or…

Q: describes the movement of solutes; describes the movement of water.

A: Diffusion-movement of solutes from higher concentration to lower concentration Osmosis-movement of…

Q: When comparing the solute concentrations of two fluids, the fluid with the higher solute…

A: A solution has two parts Solute Solvent

Q: What are types of passive transport and active transport

A:

Q: Which statement describes one way in which osmosis and dialysis are different

A: The movement of solvents and solutes across semipermeable membranes is a very important property…

Q: Choose the best option about how cholesterol affects cell membrane fluidity? Select one: O a.…

A: Cholesterol is a lipid present in the cell membrane of animal cells. It is involved in the…

Q: Select the correct answer from the answers provided. Active transport of a substance across a…

A: Active transport: A few ions or molecules are transported across the membranes against their…

Q: How do you know scientifically that fat and soap are different substances ?

A: Fats and oils consist of triglycerides. Triglycerides are made up of glycerol and three fatty acids.…

Q: Which of the following statements is TRUE? A. Water and electrolytes move across the cell membranes…

A:

Q: Discuss the need for an IV placed in the arm in the hospital. What solution was run into the veins.…

A: IV or Intravenous Line, a flexible, soft tube that is used to provide medicine to a person by…

Q: Explain why a water strider insect can walk on the surface of a lake or pond. Use the terms hydrogen…

A: A water strider, commonly known as a pond skater, a water strider is an insect belonging to the…

Q: What helps in the passage of hydrophilic solutes through the plasma membrane? A. Protein in the…

A: Hydrophilic is the term given to substances that are polar and water loving. These substances can…

Q: Explain why water has a high specific heat. Hint: Think about hydrogen bonds and how temperature…

A: The quantity of energy necessary to raise the temperature of 1 g of any substance by 1oC is called…

Q: Why are buffers important in a biological system such as your body? Give reasons in your own words…

A: A biological system is a complicated network that connects a variety of physiologically significant…

Q: which liquid is most like water and would support human life?

A: Water is the necessity of all living beings as it is free flowing and provides life to all living…

Q: Provide two examples of lipids for each section: Impermeable     Moderately permeable…

A:

Q: A cell is placed in a solution and it swells and bursts.  Explain what happened

A: Cells are the basic unit of life. Cells that perform similar functions form the same tissue. The…

Q: If water molecules are like magnets, why do you think frozen water molecules don't pull toward each…

A: A water molecule consists of two hydrogen atoms bonded to an oxygen atom,and its overall structure…

Q: What are the properties of water and explain how they support life

A: Water is a tasteless, transparent, colorless, and odorless substance, which is crucial for all life…

Q: Compare the values below. Which is greater, or are the two values equal? A. Solubility of uric acid…

A: Ammonia and uric acid are form of nitrogenous waste that gets eliminated out from the body by…

Q: What is the unit of packed cell volume

A: Blood is a liquid substance which flows in the blood vessels and carry nutrients and oxygen to the…

Q: What is Moderation of Temperature by Water

A: Have you ever tried to cool down hot substances by immersing them into water? It is seen that the…

Q: Compare and contrast how water volume and osmolality are regulated.

A: The fluid volume and osmolarity are very important functions in living system.

Q: Imagine you get two containers. One is wide and the other one is narrow. Fill both container with…

A: Diffusion is passive process of movement of particles from regions of high concentration to regions…

Q: a. No net movement of water or solutes will occur.

A: Answer - (A)  NO NET MOVEMENT OF WATER OR SOLUTES WILL OCCUR.

Q: The cups shown at the right contain different amounts of water kept at different temperatures.…

A: Thermal energy is caused due to heat. Temperature is the measure of hotness of coldness of a…

Q: A student has 3 unknown molecules. In order to better understand the properties of these molecules,…

A: Biological membrane have Hydrophilic and Hydrophobic properties

Q: Apply the concept of diffusion to predict the movement of molecules.

A: Most of the biological membranes are involved in transportation of various substances to carry out…

Q: Using all the vocabulary words below, explain why the bolded lines are correct and what would happen…

A: Osmosis is the process of movement of water molecules from their region of higher concentration to…

Q: At which temperature did solutes dissolve the fastest? Select an answer and submit. For keyboard…

A: Diffusion is the movement of molecules from a region of high concentration to a region of low…

Q: Explain the role of osmosis and that of osmotic pressure in controlling the movement of water across…

A: The solutions with a high measure of broke down solute have a lower concentration of water, water…

Q: Which mineral serves as a cofactor in glucose, fatty acid, and amino acid breakdown during energy…

A: Metabolism is the process, during which biomolecules are broken down into smaller units or small…

Q: They counted the number of spatuals of sugar or salt added to the water until no more would…

A: A solution is generated when a solute is dissolved in a solvent. A solvent is a liquid that…

Q: Which statement best explains why the study of water is relevant to the study of living organisms?…

A: Water makes up 60-75% of physical body weight. A loss of simply four percent of total body water…

Q: What would happen if cell membranes were freely permeable to all molecules?

A: The cell membrane also called a plasma membrane is a biological membrane made predominately of a…

Q: What is a cell memrane

A: Cell membrane is the biological membrane.

Q: Name and explain four properties of water that support life.

A: All the living organisms are composed of 70% water. It is the most essential part of all living…

Q: Assume that potatoes contain very low concentrations of salt. In which direction did the sodium ions…

A: Diffusion is the movement of molecules along the concentration gradient on their own. Osmosis is the…

Q: The term _____________ describes the viscosity of a membrane

A: The plasma membrane is the bilipid layer which acts as a barrier for the cell. It enables to…

Microbial Physiology

Microbial physiology is the branch of microbiology that is associated with studying the physiology of fungi, bacteria, and viruses. It is an important field of science concerning functional genomics and metabolic engineering.

Chemotaxis

The organism’s movement in a particular direction as a response to certain chemicals that are available in the environment is defined as chemotaxis. In brief, it can be defined as the occurrence of an organism’s movement in response to a certain chemical stimulus.