1) Which substance(s) can be moved across membranes from regions where they are less concentrated to regions where they are more concentrated using ATP or another energy source? A) water B) oxygen C) carbon dioxide D) sodium and glucose E) animals are unable to move any substances across membranes against their concentration gradients F) transporter proteins that use ATP can move all of these molecules against their concentration gradients

Q: Explain the term Facilitated Transport ?

A: The cell is the basic structural and functional unit of our body. It carries out many functions in…

Q: In osmosis, water moves from a ---------------- solution to a --------------------- solution

A: To find: The movement of water in osmosis

Q: Why do cells enter stationary phase?

A: Cell division is the process in which a parent cell divides into two or more daughter cells. There…

Q: When a human leukocyte (white blood cell) “consumes” a bacterial cell, this process is called:…

A: Endocytosis is a process of taking particles or substance into the cell by pinching the membranes of…

Q: Describe Mediated-Transport Systems?

A: Transport of some molecules is helped across the membrane by a membrane part.

Q: Define the following terms: a. ammonotelic organism b. uricotelic organism c. protein turnover d.…

A: Biomolecules are the biological molecules that are present inside the living organisms. These…

Q: What is mass transportation across the cell membrane?

A: Cell movements

Q: What is the transport maximum?

A: Transport maximum: [Tmax]           The maximum amount of substance that can be reabsorbed based on…

Q: draw and label: polar region and non region. Types of transport (passive/active, diffusion,…

A: The movement of water in and out of the cell takes place via diffusion and all the gases are…

Q: How does facilitated diffusion present similarities with enzymatic chemical reactions?

A: Particles which are lipid soluble can directly pass through the cell membrane however the…

Q: How does transport through membranes take place?

A: Membranes of the cell are composed of a bilipid layer which is composed of the phospholipid layer,…

Q: What does the term intracellular fluid refer to?

A: Intracellular fluid is the cytosol found in the cell. Extracellular fluid Is present around the…

Q: What kind of molecules can use simple diffusion?

A: Simple diffusion is the process by which molecules are moved along the concentration gradient from a…

Q: What is the importance of diffusion and osmosis in living organisms and the ecosystem?

A: The process in which a molecule moves from a high concentration area to a low concentration area is…

Q: Which cell shape is best adapted for the rapid movement of substances from one cell to another?

A: Squamous cell shape is best adapted for the Rapid movement of substances from one cell to another.

Q: Discuss the changes in cell volume produced by hypertonic, isotonic, and hypotonic solutions?

A: A solution will be hypertonic to a cell if its solute concentration is higher than that inside the…

Q: Define concentration gradient.

A: The cell is the basic structural and functional unit of our body. It carries out many functions in…

Q: Why is diffusion effective only over short distances? Because the longer the distance between two…

A: It serves as a barrier for the free movement of molecules across the cell. The transport of…

Q: How does active transport help mediate surface area to volume ratio constraints?

A: Active transport means the transport of molecules across the cell membrane by using energy or…

Q: Define the Diffusion of molecules ?

A: Diffusion of molecules or molecular diffusion is a physical process . It is a random thermal…

Q: Transport of a substance across membranes that requires no direct input of energy is referred to as…

A: In living organisms, the mechanism of membrane transports plays a critical role. The movement of…

Q: In which kind of cellular structure would aquaporins be delivered to their destination in the cell…

A: Aquaporins(water channels) are part of a family of intrinsic channel proteins that form pores in…

Q: What is the Direction of net flux Through Primary Active Transport?

A: Transport of substances through the membrane occurs by the passive and active methods.

Q: When the diffusion process is not sufficient to provide raw materials and energy?

A: Diffusion is the moving of substances as per the concentration gradient, which is from a region with…

Q: _____transport (general term)uses the energy of Browain motion associated with gradients to move…

A: Brownian motion is the random movement of particles suspended in a fluid (medium).

Q: Can solutions with the same concentration of different solutes have different osmotic pressures?

A: Solute is the substance that gets dissolved in the solvent in a solution. A homogenous mix of a…

Q: What are the two forms of energy that can power active transport?

A: Two form of energy that can power active transport are: 1.Chemical Energy - primary active transport…

Q: How does active transport differ from osmosis?

A: Active transport is the movement of molecules across a membrane from lower concentration to higher…

Q: How would you describe the movement of Na+ and HCO3- ? (Click all that apply) - Filtration -…

A: Filtration, selective reabsorption and secretion are the three important process that occurs in the…

Q: The oxygen we breathe crosses to the plasma membrane in our lungs blood capillaries using this…

A: The oxygen we breathe crosses to the palsma membrane in our lungs blood capliiaries using the…

Q: Which are the major primary active-transport proteins found in most cells?

A: Primary active transport is a direct active transport that uses chemical energy such as ATP to…

Q: Which component of the cell membrane is involved in allowing water molecules to enter?

A: A eukaryotic cell comprises distinct structures like a nucleus, cytoplasm with cell organelles, and…

Q: Which of the following words is missing in the following sentence: Glucose and galactose in the…

A: Glucose and galactose are absorbed by the membrane by using secondary active transport with the help…

Q: What transport mechanism is used when glucose moves in the proximal convoluted tubules of kidneys…

A: Glucose moves in the proximal convoluted tubules of kidneys using sodium ions, ATP, electrochemical…

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

A: Transport can take place in two ways mainly -  Passive transport - move along the concentration…

Q: If you eat salty foods, your ECF becomes concentrated and hypertonic which, technically, could lead…

A: Homeostasis of water and electrolytes are well regulated in our body for normal and healthy…

Q: Which organism is likely to have more concentration of D.D.T in its body?

A: Ecosystem is the complex dynamic interrelationships of plants and animals in the biosphere. They…

Q: Explain Mediated-Transport Systems?

A: A cell is a mass of cytoplasm that is bound remotely by a cell membrane. Normally infinitesimal in…

Q: How Does Transport Occur Across BiologicalMembranes?

A: Introduction: The transport of substances across the plasma membrane mainly takes place via passive…

Q: what types of molecules can passively move across the cell membrane?

A: The cell is the smallest and fundamental unit of life. Every living being made up of cells and it is…

Q: The movement of water and electrolytes between fluid compartments is regulated primarily by _______…

A: The cells in our body are compartments which are filled with water, fluids and electrolytes…

Q: Why is the regulation of body fluids important in living organisms?

A: Introduction Homeostasis is the ability to maintain a relatively stable internal state that persists…

Q: If the potato is allowed to dehydrate by sitting in open air, would the potato cells be more likely…

A: Potatoes are the tubers that grow on the plant Solanum tuberosum. It is typically composed of 2%…

Q: Name the type of bulk transport shown in the diagram below:

A: Pinocytosis (literally, “cell drinking”) is a form of endocytosis in which a cell takes in small…

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.