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What are proteins from outside a cell that stimulate it to divide are called?
Proteins from outside a cell that stimulate it to divide are called growth factors. These proteins bind to specific receptors on the cell surface, triggering intracellular signaling pathways that promote cell division and proliferation.
What are proteins that bind to cells and stimulate cell division are called?
Proteins that bind to cells and stimulate cell division are called growth factors. These proteins play a crucial role in regulating cell growth, proliferation, and differentiation by binding to specific receptors on the cell surface. Their signaling pathways can trigger various cellular responses, including cell division.
Which are specific molecules that are recognized by the body as foreign and to which antibodies bind known as?
Specific molecules that are recognized by the body as foreign and to which antibodies bind are called antigens. Antigens can be proteins, carbohydrates, lipids, or nucleic acids that stimulate an immune response when they enter the body.
Neurotransmitters bind to specific proteins on the postsynaptic membrane called?
Neurotransmitters bind to specific proteins on the postsynaptic membrane called receptors. These receptors initiate a series of events that can either excite or inhibit the firing of the postsynaptic neuron.
What are the proteins that bind to DNA and turn on operons by making it easier for RNA polymerase to bind to a promoter called?
transcription factor
Proteins called growth factors regulate the timing of the cell cycle in eukaryotic cells True or false?
True. Growth factors are proteins that play crucial roles in regulating the timing of the cell cycle in eukaryotic cells by promoting cell division and influencing various phases of the cycle. They bind to specific receptors on the cell surface, triggering signaling pathways that can stimulate or inhibit cell proliferation. This regulation is essential for proper tissue development, repair, and maintenance.
Small molecules that bind with self-proteins to produce antigenic substances are called?
Small molecules that bind with self-proteins to produce antigenic substances are called happens. The unique area that a lymphocyte recognizes and binds to an antigenic determinant.
What water-soluble hormone would most likely bind to what membrane proteins?
Channel linked receptors bind to neurotransmitters. (also called ion channels and ligand gated ion channels) A ligand is the signal molecule i.e the neurotransmitter. Hormones bind to intracellular receptors because hormones are non polar and can cross the cell's plasma membrane. (also called cytoplasmic receptors)
Proteins that bind to DNA and turn on operons by making it easier for RNA polymerase to bind to a promoter are called?
Transcription factors are proteins that bind to DNA and help regulate the initiation of transcription by RNA polymerase at promoter regions. They can enhance the binding of RNA polymerase to the promoter, thereby turning on the expression of specific operons.
Proteins in blood that bind to antigens?
Antibodies.
A cell that contains proteins enabling a hormone to selectively bind to its plasma membrane is called what?
Target cell
What are special proteins that bind to enzymes during the cell cycle?
Special proteins that bind to enzymes during the cell cycle are called cyclins. Cyclins regulate the activity of cyclin-dependent kinases (CDKs), which are essential for driving the cell cycle forward. The binding of cyclins to CDKs activates these kinases, allowing them to phosphorylate target proteins and facilitate key processes such as DNA replication and cell division. The levels of cyclins fluctuate throughout the cell cycle, ensuring proper timing and regulation of these critical events.
