a. Cytoplasmic Receptor   b. Transmembrane Receptor   c. Intracellular Receptor   d. Nuclear Receptor

Q: During cell signaling, binding of a ligand to the outside of a cell leads to:   A. A signal being…

A: In cell biology,  cell signaling is defined as the mechanism of receiving the signal, processing it…

Q: sequences from deleterious mutations. D. These regions may contain regulatory sequences that control…

A: Mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during…

Q: A scientist notices that when she adds a small, watersoluble molecule to a dish of cells, the cells…

A: Enzyme-linked receptor activation causes many intracellular signalling proteins to be binded and…

Q: A mutation in HER2 that causes receptor dimerization in the absence of signaling molecules. Would…

A: Answer - B. Increases proliferation HER2 (human epidermal growth factor receptor 2) is a gene it…

Q: Fat-soluble signaling molecules cross the cell membrane; but they affect only the target cells…

A: Answer: FAT SOLUBLE MOLECULES are those molecules which cannot be stored within a cell , they prefer…

Q: This pertains to membrane transport and cell signaling. Give an example in animals and in plants…

A: Cell signaling is a process in which cells communicate with each other within the body. There are…

Q: Please choose one of these choices A. Since protein A is embedded in the membrane., the mutation…

A: Mutations are changes in the sequence of DNA which may or may not affect the structure of proteins.

Q: If you could design a drug to overcome the affect of the newly evolved Listeria protein to restore…

A: Listeria proteins are secreted by the bacteria Listeria monocytogenes which is Gram-positive…

Q: What happens if a cell is missing a receptor for a particular signaling molecule?

A: Cell-surface receptors are cell surface, membrane-anchored (integral) proteins that bind to foreign…

Q: All cells of a multicellular organism may not respond in the same wayto a particular ligand…

A: Signal transduction also known as cell signaling is a pathway which involves the transmission of…

Q: Non-canonical Hedgehog signaling results in actin cytoskeleton rearrangements, leading to cell…

A: Hedgehog is a protein present on the cell membrane which helps in the changing the cell movement and…

Q: What are the three types of cell signal receptors found in the plasma membrane?

A: A receptor is a molecule that is present inside or on the surface of the cell. This receptor…

Q: The same signal can have different effects in different cells because there a. are different…

A: A similar sign can have various impacts in various cells in light of the fact that there  D) all of…

Q: Lipid-soluble signaling molecules, such as testosterone, cross the membrane of all cells but only…

A: The lipid-soluble hormones are lipophilic hormones that can easily diffuse through the plasma…

Q: solutions for treating COVID-19 based on your understanding of the signaling pathways

A: COVID-19 Treatment Coronavirus disease 19 is an infectious disease caused by Coronaviruses.…

Q: The repertoire of changes a cell can show depends on: A. which receptors for signaling molecules it…

A: Cellular adaptation is a term used in cell biology and pathophysiology to describe the changes that…

Q: The receptors for lipid-soluble signaling molecule, such as steroid hormones, are located: A) in…

A: Ans -A.   In the nucleus of the target cell

Q: If a cell has an excess of a subunits, what is likely to happen to signaling pathways that act…

A: Presence of more number of subunits in the receptor will further makes the signaling pathway complex…

Q: types of signaling between cells Briefly describe the 6 different signal paths

A: Cell signaling is the basic process by which specific information is moved from the cell surface to…

Q: Why would it be beneficial for cells to wait until a critical population density is present before…

A: The communication of bacteria occurs through signaling molecules that vary between species.  Most…

Q: In terms of cell communication, compare and contrast the action of hydrophilic versus hydrophobic…

A: Ligand is defined as the molecule which is produced by a signaling cell that further, binds with a…

Q: Where do DAG and IP3 originate? a. They are formed by phosphorylation of cAMP. b. They are ligands…

A: diacylglycerol (DAG) consist of two fatty acid chains covalently bonded to a glycerol molecule…

Q: Certain cells inhibit cell division by expressing signaling molecules on their surfaces. These…

A: The cell cycle refers to the sequential events that take place during the growth and division of…

Q: Cells can use endocytosis to reduce the response to extracellular signaling. Which of these BEST…

A: Endocytosis is the process by which cells take in substances from outside of the cell by engulfing…

Q: Researchers use a technique call RNA interference to knock down (i.e. not completely gone) the Bcl-2…

A: RNA is the nucleic acids similar to the DNA and contains uracil instead of the thymine. It plays…

Q: Compare and discuss intergrin and tyrosine kinase signaling pathway . Show the difference and…

A: Note: please upload second question separably. Answer: Introduction: Integrin signaling pathway:…

Q: Integrins have many functions, one of which is sensing connections to the extracellular matrix. What…

A: Integrins provide transmembrane connections between the extracellular matrix and the cytoskeleton,…

Q: A biochemist is designing a new drug that will mimic the shape and function of a particular…

A: Many chemicals, both natural and man-made, can imitate or interfere with the endocrine system, which…

Q: The end result of the kinase cascade activated by epidermal growth factor (EGF) is (A) activation of…

A: Epidermal growth factor is a protein that stimulates cell growth and differentiation. It has 53…

Q: What happens if a kinase is overactive and phosporylates the protein too much?

A: Kinase is one of the common enzyme which helps to transfer the phosphate groups from a phosphate…

Q: 3. Text Which of the below is not a way by which cells reduce signaling from trans membrane…

A: Signalling by Transmembrane receptor means recognition and binding of extracellular signal by an…

Q: An extracellular signaling molecule binds to cell surface receptor. This cell surface receptor…

A: According to the question, An extracellular signaling molecule binds to a cell surface receptor.…

Q: Scaffold proteins (a) release kinases and phosphatases into the extracellular fluid (b) bind G…

A: Scaffold proteins play critical roles in many key flagging pathways. Despite the fact that…

Q: The receptor-associated proteins called G proteins... A. bind GTP. B.  can activate or inhibit an…

A: G-proteins are associated with G-protein coupled receptors (GPCRs). GPCR is a seven transmembrane…

Q: To move in a specific direction, a migrating cell must use extracellular cues to establish which…

A: Introduction GTPases are a wide family of hydrolase enzymes that attach to and hydrolyze the…

Q: Which of the following does not apply to a transmembrane receptor? a. It lacks ER signal sequence.…

A: Answer :  b. It contains one or more hydrophobic stop-transfer sequence

Q: a universal feature of cell signaling receptors is that they?   a. undergo a structural (shape)…

A: Answer. Cells in multicellular organisms constantly communicate with each other. The process of…

Q: In intercellular signaling pathways, some receptor proteins can also act as a transcription factor…

A: Cell signalling is a series of reactions resulting in changes in cell metabolism.

Q: Which type of molecule acts as a signaling molecule in yeasts? a. steroid b. autoinducer c. mating…

A: Yeasts are eukaryotic, single-celled microorganisms organized as members of the fungus kingdom. Many…

Q: Receptors often activate signaling molecules that are __________. This property helps to increase…

A: A cell receptor is a protein to which substances like chemicals, medications, and antigens can tie.…

Q: What property prevents the ligands of cell-surface receptors from entering the cell? a. The…

A: Cell-surface receptors are the membrane protein that binds to the ligand on the outer surface of the…

Q: A researcher tested Compound A on chemotaxing cells and measured the relative amount of filamentous…

A: Filamentous actin is a part of the cytoskeleton of the cells.  F-actin is involved in the process of…

Q: Many proteins on the outer surface of the cell are receptors, sites that “recognize” and bind with…

A: The thin, living, elastic, semi permeable membrane that is present around the cell is called cell…

Q: What two steps occur in cell signaling occur AFTER the signal has been detected by a cell surface…

A: Receptors are usually proteins , which are present on the cell membrane, which binds to the ligand…

Q: Describe three types of responses that cells make to signaling molecules.

A: Cell signaling is part of any communication process that governs the basic activities of cells and…

Q: a clinical study, it was found that copaiba essential oil positively regulated multiple signaling…

A: Signalling Pathways are a series of chemical reactions in which a group of molecules in a cell work…

Q: Vitamin D is a relatively small, lipid-soluble molecule that can behave as a hormone. Its receptor,…

A: Vitamin D is actually a hormone rather than a vitamin. It is required to absorb calcium from the gut…

Q: . Notch receptors operate through juxtacrine signaling which requires A. close physical association…

A: Hi, Thanks For Your Question.  Answer : Correct Option Is C (a cell to release a ligand that binds…

Q: An enzyme-linked receptor (a) is a cytoplasmic protein (b) would not be found on plant cell surfaces…

A: Introduction  As multicellular organisms are made up of a lot of cells, there must be coordination…

Cell Signaling

It allows cells to perform various cellular activities, coordinate, and interact with other cells. All cells of an organism receive signals from their environments and respond accordingly. Even the unicellular eukaryotes receive signals secreted by other cells and respond. In the case of yeast, mating takes place by signaling between the yeast cells. Communication by cell signaling in a multicellular organism has become a vast and important part of various fields of biology.