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Is a cell membrane living or non living?
The cell membrane is considered non-living, as it is composed of lipids and proteins that do not have the characteristics of living organisms, such as the ability to reproduce or metabolize. It acts as a barrier that separates the cell from its environment and helps regulate the passage of substances in and out of the cell.
Why Cells that carry on digestion within the cell do not partly digest themselves because they secrete their digestive enzymes into membrane-enclosed?
Cells that carry out digestion internally, such as lysosomes, contain digestive enzymes that are enclosed within membrane-bound compartments. This membrane prevents the enzymes from coming into contact with the cell's own structures, thereby protecting the cell from self-digestion. Additionally, the acidic environment inside lysosomes is optimized for enzyme activity, ensuring that they effectively break down substrates without harming the cell itself. This compartmentalization is crucial for maintaining cellular integrity and function.
Can steriods and cholesterol cross the cell membrane on their own?
Yes because the cell membrane allows non polar molecules through
What part of a cell acts as the skin?
no plant cells have cell wall and cell membrane animal cells have only cell membrane, or only cell wall (i don't remember)
What manufactures cellular membranes by adding membrane proteins and phospholipids to its own membrane?
The endoplasmic reticulum manufactures cellular membranes by adding membrane proteins and phospholipids to its own membrane. This process helps in the production and maintenance of cell membranes throughout the cell.
What Is a specialized subunit within a cell that has a specific function and is usually separately enclosed within its own lipid membrane?
An organelle is a specialized subunit within a cell that performs a specific function and is enclosed within its own lipid membrane. Examples of organelles include the nucleus, mitochondria, and chloroplasts. Each organelle contributes to the overall functioning of the cell by carrying out specific tasks.
Where is DNA found in a eukaryotes cell?
nucleus
Is a cell membrane living or non living?
The cell membrane is considered non-living, as it is composed of lipids and proteins that do not have the characteristics of living organisms, such as the ability to reproduce or metabolize. It acts as a barrier that separates the cell from its environment and helps regulate the passage of substances in and out of the cell.
Why Cells that carry on digestion within the cell do not partly digest themselves because they secrete their digestive enzymes into membrane-enclosed?
Cells that carry out digestion internally, such as lysosomes, contain digestive enzymes that are enclosed within membrane-bound compartments. This membrane prevents the enzymes from coming into contact with the cell's own structures, thereby protecting the cell from self-digestion. Additionally, the acidic environment inside lysosomes is optimized for enzyme activity, ensuring that they effectively break down substrates without harming the cell itself. This compartmentalization is crucial for maintaining cellular integrity and function.
What is the structure of a generalized eukaryote cell?
Cytoplasm (inside a cell membrane) surrounding a nucleolus (which is inside its own membrane).
How did the eukaryote evolve?
Eukaryotes evolved from a process call endosymbiosis. Endosymbiosis states that eukaryotes started as two separate bacterium. The bigger bacteria engulfed the smaller. This is how the mitochondria is enclosed in the cell. There is evidence of this because the mitochondria has its on cell membrane and contains its own DNA.
Can steriods and cholesterol cross the cell membrane on their own?
Yes because the cell membrane allows non polar molecules through
What part of a cell acts as the skin?
no plant cells have cell wall and cell membrane animal cells have only cell membrane, or only cell wall (i don't remember)
What manufactures cellular membranes by adding membrane proteins and phospholipids to its own membrane?
The endoplasmic reticulum manufactures cellular membranes by adding membrane proteins and phospholipids to its own membrane. This process helps in the production and maintenance of cell membranes throughout the cell.
Do viruses have a nuclear membrane a cell wall membrane-bound organelles or ribosomes?
No, viruses do not have membrane bound organalles
What cell part protects the DNA?
The DNA in a cell is contained within its own double-membrane layer. It has pores which allow things like RNA through, but for the most part it blocks the cytoplasmic enzymes.
What is a Non-example of cell membrane?
cyclic nucleotides and deoxyribonucleic acid (DNA) ribonucleic acid in some forms four carbon rings fused together are a misconception of cell membrane but are actuall part of cell walls
