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Cell membranes allow nutrients into cells and waste products pass out of cells. Cell membranes provide a protective barrier for cells — they don't let everything in, especially large particles. Cell membranes are important in the communication between cells. Cell membranes are reservoirs for fatty acids.
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Why don't cork cells have cell membranes?
Cork cells do have cell membranes. The cell membrane is a fundamental structure present in all living cells, including cork cells. The unique properties of cork cells that make them suitable for cork production come from the suberin layer outside the cell membrane.
What is the difference between plant cells and animal cells?
Both plant and animal cells have cell membranes. Plant cells also contain what is called a cell wall. This cell wall gives plants cells much of its structure and makes them fairly rigid. In plant cells you are also likely to find chloroplasts which are used in photosynthesis, where as no animal cell will ever have a chloroplast.
Does biological molecules proteins and lipids have cell membranes?
Proteins and lipids don't have cell membranes but are the molecules that make up the bulk of what a cell membrane is.
Why do plant cells have rigid cells while animal cells don't have?
Plant cells have rigid cell walls composed of cellulose that provide structural support and protection. Animal cells do not have cell walls but instead have flexible cell membranes that allow for mobility and shape changes. The presence of cell walls in plant cells is essential for withstanding the pressure of water entering the cell.
The major lipid used to make cell membranes is?
The major lipid used to make cell membranes is phospholipids. They have a hydrophilic head and hydrophobic tail that arrange in a bilayer to form the cell membrane.
Why don't cork cells have cell membranes?
Cork cells do have cell membranes. The cell membrane is a fundamental structure present in all living cells, including cork cells. The unique properties of cork cells that make them suitable for cork production come from the suberin layer outside the cell membrane.
What do plant cells have that animal cells do not have?
Plant cells have chloroplasts (which make food for the plant through photosynthesis) and a cell wall. Animal cells do not; they only have a cell membrane (plant cells have a cell membrane and a cell wall).
Why are phospholipids not an essensial nutrient?
Because the body produces these for cell membranes on its own.
What is the difference between plant cells and animal cells?
Both plant and animal cells have cell membranes. Plant cells also contain what is called a cell wall. This cell wall gives plants cells much of its structure and makes them fairly rigid. In plant cells you are also likely to find chloroplasts which are used in photosynthesis, where as no animal cell will ever have a chloroplast.
Does biological molecules proteins and lipids have cell membranes?
Proteins and lipids don't have cell membranes but are the molecules that make up the bulk of what a cell membrane is.
Why do plant cells have rigid cells while animal cells don't have?
Plant cells have rigid cell walls composed of cellulose that provide structural support and protection. Animal cells do not have cell walls but instead have flexible cell membranes that allow for mobility and shape changes. The presence of cell walls in plant cells is essential for withstanding the pressure of water entering the cell.
What did a nucleus do?
the nucleus has the cells DNA and is covered by two membranes. The DNA contains the info to make proteins and the nucleus powers the whole cell. -alex s(:
Does an animal cell or plant cell have vacuoles?
Both cells have vacuoles which are used to store water, food/nutrients, and waste. But plant cells have larger vacuoles since they make their own food so it is necessary.
The major lipid used to make cell membranes is?
The major lipid used to make cell membranes is phospholipids. They have a hydrophilic head and hydrophobic tail that arrange in a bilayer to form the cell membrane.
What mostly make up the cell membranes?
Cell membranes are made up of proteins called PHOSPHOLIPID BILAYER It has phosphate molecules attached to the proteins There is also CHOLESTEROL in the cell membrane to make it more fluid
Do eggs bacon sausage and ham make blood thicker?
No. But they can increase what is called 'bad' cholesterol. People believe that no cholesterol is the best goal, but the cells need it to make their cell membranes stable.
How do cells take in nutrients in order to grow and divide to make needed materials?
Cells take in nutrients through the process of endocytosis, where the cell membrane engulfs extracellular molecules and brings them into the cell. Once inside, these nutrients are broken down and used in cellular metabolism to produce energy and build new cellular structures, allowing the cell to grow and divide. Additionally, cells can also take in nutrients through specific transport proteins in the cell membrane.
