Which of the following is a mechanism by which cells ensure a strong response to a...

Which of the following is a mechanism by which cells ensure a strong response to a small amount of ligand?

		Receptor-mediated endocytosis
		GTP hydrolysis by G-proteins
		Enzyme cascades
		2^nd messengers
		All of the above

Solutions

Expert Solution

Option c enzyme cascade

In Signal transduction pathways, by using network of enzyme or enzyme cascade incoming signal is amplified . In enzyme cascade one enzyme act on other enzyme thus in this way signal is amplified and this leads to generation of appropriate cell response.

gladiator answered 1 year ago

Next > < Previous

Related Solutions

1 Which of the following is not a mechanism by which plasmids ensure their inheritance and...

1 Which of the following is not a mechanism by which plasmids ensure their inheritance and maintenance during cell division? Choose one: A. carrying self-preservation genes, known as addiction modules B. high-copy-number plasmids C. carrying antibiotic resistance genes D. carrying partitioning system genes, parC, parM, and parR E. low-copy-number plasmids 2 While plasmid replication is not tied to chromosomal replication, many of the proteins used for plasmid replication are host enzymes. Each plasmid contains its own origin of replication (ori)...

7 A) Which of the following steps amplify the epinephrine signal response in cells? 1. receptor...

7 A) Which of the following steps amplify the epinephrine signal response in cells? 1. receptor activation of G protein 2. G protein activation of adenylyl cyclase 3. cAMP activation of PKA 4. PKA phosphorylation of glycogen phosphorylase kinase (GPK) 2, 3, and 4 1, 3, and 4 1 and 3 1 and 4 7 B) Which of the following statements regarding ion channel regulation by GPCRs is FALSE? Activation of GPCRs in rod cells leads to increased neurotransmitter release....

Describe the mechanism by which “nucleotide hydrolysis” regulates microtubule dynamics in plant cells.

Describe in detail as great a detail as possible the mechanism by which skeletal muscle cells...

Describe in detail as great a detail as possible the mechanism by which skeletal muscle cells contract. Start with an action potential arriving at an axon terminal of a motor neuron and end with the completion of a single cross- bridge cycle. Be sure you describe all the events and how the operate, and name all the structures, ions, proteins, molecules involved and explain the role each has. Use proper terminology and explain what is happening at each step. Then...

Name and detail the mechanism(s) through which this DNA damage can occur. What mechanism(s) have cells...

Name and detail the mechanism(s) through which this DNA damage can occur. What mechanism(s) have cells developed to deal with this damage when it is encountered? Detail how this led to the elucidation of DNA repair enzymes in your answer.

1. Which of the following is a strong nucleophile and a strong base? A. RS- B....

1. Which of the following is a strong nucleophile and a strong base? A. RS- B. RO- C. H- The MAJOR product from the reaction of a 1° substrate and strong nucleophile/strong base is formed through what mechanistic route? A. SN1 B. SN2 C. E1 D. E2 E. SN1/E1 F. SN2/E2

Provide a written response to each of the following questions. Ensure that your answer includes reference...

Provide a written response to each of the following questions. Ensure that your answer includes reference to the appropriate Primary sources (that is, legislation and/or Tax Treaty). – Choose Australia In which Act or Treaty are the rules to determine the residency of an individual and a corporate entity found? Is it possible for an individual to be classified as a tax resident of more than one country? Why/why not? Is it possible for a company to be classified as...

82) What is the name of the genetic mechanism that allows B cells or T cells...

82) What is the name of the genetic mechanism that allows B cells or T cells to produce specific antibodies? Homeostasis Gene rearrangement Excretion Antigen presentation 83) Which below describes the Humoral Immune Response A) involves activation and clonal selection of Cytotoxic T cells B) involves activation and clonal selection of B cells, resulting in production of secreted antibodies C) Lymphocytes are screened for host reactivity in the Thymus gland 84) Which below describes the Cell Mediated Immune Response A)...

Type of cells in cell_mediated immune response

Which of the following is NOT a step in the mechanism by which transduction increases the...

Which of the following is NOT a step in the mechanism by which transduction increases the genetic diversity of bacteria? A phage contains both viral and bacterial DNA sequences A pilus connects a virus to a bacterium A phage injects DNA through a bacterium's cell wall and plasma membrane DNA recombination takes place in the recipient cell

Subjects