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it is the cellmembrain
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What substances enter and leave the cells?
Proteins made on "bound" (attached) ribosomes leave through the cell membrane, and other proteins will enter the cell.
Describe methods by which substances enter and leave cells that require cellular energy?
Diffusion is the methods that leave cells. Diffusion also has to have cellular energy.
What is the the circulation of fluids that leave the blood but do not enter specific cells?
Lymphatic system
What protects the cells and regulated what materials enter and leave the cell?
cell membrane
White blood cells that may leave the cardiovascular system and enter the fluid surrounding the body's cells?
Macrophages
Can cells leave the G0 phase of the cell cycle?
Yes, cells can leave the G0 phase of the cell cycle and re-enter the cell cycle to divide and replicate.
What part of the cell enters the cell and leaves?
The only things that enter and leave cells are molecules and proteins. organelles do not leave the cell.
Does anything enter or leave the membrane-bound nucleus of animal cells?
Yes materials made inside of the nucleus such as ribosomes must leave
What is the process by which substances enter and leave cells and become distributed within cells?
Substances enter and leave cells through processes such as diffusion, facilitated diffusion, active transport, and endocytosis/exocytosis. Once inside the cell, substances can become distributed within cells through diffusion, cytoplasmic streaming, vesicular transport, and interactions with organelles.
The oxygen that you breathe in and the CO2 that you exhale both enter and leave the cells of you body through the process of?
diffusion
What molecule movement is when glucose leave your blood streem and enter your cells by attaching to specialized carrier proteins?
Facillitated diffusion
What cell type is d first to leave the blood and enter infected tissues?
Neutrophils are typically the first immune cells to leave the blood and enter infected tissues in response to an infection. They play a critical role in the early stages of the inflammatory response by phagocytizing pathogens and releasing inflammatory mediators.
