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A type of passive transport across a cell membrane that requires special carriers is?
Facilitated diffusion is a type of passive transport that requires special carrier proteins to help molecules move across the cell membrane. These carrier proteins assist in the movement of specific molecules that cannot cross the membrane on their own.
This type of macromolecules is a component of the cell membrane that helps move molecules in and out of the cell?
Transmembrane Proteins
What type of diffusion helps glucose enter the cell?
facilitated diffusion
What determines how quickly materials enter and leave a cell?
The rate at which materials enter and leave a cell is determined by various factors, including the concentration gradient of the material, the size and type of molecules involved, the presence of transport proteins or channels, and the permeability of the cell membrane to the specific material. Additionally, factors like temperature and pressure can also influence the speed of transport processes.
What molecule carries a copy of the code from out of the nucleus?
Molecules of Ribonucleic Acid (RNA) carry the instructions for assembling proteins out of the cell nucleus. Without this type of molecule, the cell cannot survive.
Which type of receptors binds to ligands that cannot enter the cell?
Extracellular
Why are pores in the cell membrane different sizes?
They selectively allow certain size molecules to enter, or not to enter, the cell.
What type of molecules enter the cell through passive transport List at least three?
Small nonpolar molecules like oxygen and carbon dioxide, as well as water molecules, can enter the cell through passive transport. Other examples include lipids and ethanol.
Can Text be entered directly into a cell but cannot be entered in the formula bar in Excel?
In Microsoft Excel, text can be entered directly into a cell and in the formula bar. Whichever you enter it into, it will show in both as you enter it, so it cannot be in one and not the other. The formula bar shows the content of the active cell, so naturally as you type it will appear in both.
How do you enter data for Microsoft Excel?
Click on a cell and type in what you want to enter.
What does faciliated diffusion mean?
It means that in order to cross a barrier, for example a cell membrane, a substance must have a facilitator substance to make it permeable to the barrier. For instance, glucose cannot enter cells unless insulin is present to facilitate the diffusion of glucose from blood to cell. Without the insulin, or with damaged insulin receptors on the cell membrane, the cell membrane remains impermeable to glucose and it cannot enter the cells, so it remains in the blood plasma. This is what causes diabetes.
A type of passive transport across a cell membrane that requires special carriers is?
Facilitated diffusion is a type of passive transport that requires special carrier proteins to help molecules move across the cell membrane. These carrier proteins assist in the movement of specific molecules that cannot cross the membrane on their own.
When the salt level is high inside a cell what type of molecules can passively move into the cell?
A high level of salt in a cell would cause water molecules to move passively into the cell.
How do you enter the number 16000 into a spreadsheet?
Click on any cell and then type 16000 into the cell.
What consists of text that you type until you press the ENTER key?
Formulas display as text while you are entering them in a cell. They display a calculated value after you press the ENTER key. For example, you can type =8+2 in a cell and when you press ENTER, the cell will display the value 10.
On the outer surface of the plasma membrane there are marker molecules that identify the cell-type Often these molecules are?
proteins or lipids, known as glycoproteins or glycolipids, that serve as markers to identify the cell type. These markers play a critical role in immune responses, cell communication, and recognition by other cells.
This type of macromolecules is a component of the cell membrane that helps move molecules in and out of the cell?
Transmembrane Proteins
