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What is up- regulation and down- regulation and what causes them?
Up-regulation refers to the increase in the number or sensitivity of receptors in response to a decrease in signaling molecules, leading to increased cell responsiveness. Down-regulation is the opposite, where the number or sensitivity of receptors decreases in response to an excess of signaling molecules, thus reducing cell responsiveness. These changes are typically caused by fluctuations in the levels of signaling molecules or prolonged exposure to a stimulus.
What term does down-regulation refer to?
Down-regulation refers to the process by which a cell decreases the number of receptors on its surface in response to high levels of a specific signaling molecule. This reduces the cell's sensitivity to the signaling molecule.
Improper functioning or regulation of what might lead to poor regulation of membrane permeability?
plateletsplateletes"The following" means the list after the question.There is no list following this question.Fibrinogenalbumin fibrinogen platelets lymphocytes chloride ion levelsalbluminplatelets
What was the first experiment conducted in cloning?
The first successful cloning experiment was conducted by biologist John Gurdon in 1958 with frogs. He transferred the nucleus of a fully differentiated cell from a tadpole into an egg cell that had its nucleus removed. This led to the development of a clone of the original tadpole.
How does the concept of cell-autonomous regulation impact the functioning of individual cells within a multicellular organism?
Cell-autonomous regulation refers to the ability of a cell to control its own functions independently of other cells. In a multicellular organism, this concept is important because it allows individual cells to respond to their specific environment and needs, contributing to the overall functioning and health of the organism. This regulation ensures that each cell can carry out its specialized functions effectively, ultimately supporting the proper functioning of the entire organism.
What is Cell regulation conducted by?
Cell regulation is conducted by a variety of mechanisms, including signaling pathways, gene expression regulation, and protein modifications such as phosphorylation. These mechanisms help ensure that cells respond appropriately to different internal and external cues to maintain homeostasis and carry out specific functions.
Regulation of movement into and out of a cell is accomplished by the?
cell membrane, osmosis is the regulation of water and diffusion is regulation of anything else in case you didn't know
What does the mitochondria and the chloroplast both do for the cell?
Respiration is conducted by mitochondria.Photosynthesis is conducted by chloroplast.
What type of cell doesn't respond to a cell's growth regulation signals?
Cancer?
How are proteins important to a cell?
They do most of the work in cells and provide structure, function, and regulation to the cell.
What cell organelle is responsible for the regulation of cell reproduction in mitosis or meiosis?
squirl pune tang
Cell regulation doesn't seem to work in patients with?
cancer
Are forms of cell regulation?
Enzyme activity, osmosis, and diffusion
What are forms of cell regulation?
Enzyme activity, osmosis, and diffusion
What two organelles function in the regulation of water within a cell?
The two organelles that function in the regulation of water within a cell are the cell membrane and the vacuole. The cell membrane controls the movement of water into and out of the cell, while the vacuole helps maintain water balance by storing and releasing water as needed.
Function of cell wall in bacteria?
keep its shape, prevent the bacterial cell from bursting.
What are two functions of the cell membrane?
Regulation of entry of materials.Removing waste products from cell.
