QUESTION 20 Which of the following does NOT function as a second messenger in cell signaling pathways? OA cholesterol OB. CAMP OC-IP3 OD. Calcium ions (Ca2+) QUESTION 21 In the insulin-signaling cascade, PTEN removes a phosphate group from the membrane lipid PIP3 to form PIP2. What type of enzyme is PTEN? OA. Polymerase OB. Phosphatase OC.Kinase OD. Lipase O E. Ligase

Q: Which enzyme catalyzes the conversion of Cholesteryl ester to cholesterol and fatty acid? O…

A: Cholesteryl ester, a dietary lipid, is an ester of cholesterol. The ester bond is formed between the…

Q: G-alpha is not only an activator of Adenylate cyclase, but it is a GTPase. How does mutation in…

A: g protein coupled receptors are family of receptors having a g protein . epinephrine is a…

Q: Question 4. Which of the following statements are true of tyrosine kinases? A. They always bind to a…

A: Introduction : Enzymes called tyrosine kinases phosphorylate the amino acid tyrosine on particular…

Q: QUESTION 50 In a signal transduction pathway involving a G protein-coupled receptor, the receptor…

A: Introduction Signal transduction pathway involves the binding of  the extracellular signaling…

Q: G protein-GTP directly regulates: O a. GP kinase а. O b. Adenyl cyclase С. C. Glycogen phosphorylase…

A: G-Protein - any protein linked with guanosine. G-protein - Heterotrimeric and is a lipid anchoring…

Q: A benefit of second messengers is that O they decrease the effect of negative hormones. O they…

A: The exposure to extracellular signalling molecules to the cell leads to release of intracellular…

Q: Select the correct order of the following steps in IP3 signaling: + IP3 binds to ligand-gated…

A: Correct order of IP3 signaling:- 1. The ligand bind to the receptor. 2. The G protein swaps out GDP…

Q: QUESTION 82 Which of the following cells is NOT an APC? O mature B cells Onatural killer cells…

A: Antigen-presenting (APC) cells can process antigens, by breaking them into peptides and presenting…

Q: NSULIN causes fat, liver, and muscle cells to take in glucose. In this situation the effector…

A: Insulin is a harmony which regulates the blood glucose level . Due to question answering guidelines…

Q: Thinking Question #1 You have been asked to design some drugs for the purposes described below.…

A: Enzymes are the biological catalyst. It has efficiency, specificity, and mode of regulation. It…

Q: QUESTION 1 Which of the following may occur as a result of cross-talk? (Select ALL correct answers)…

A: Biological crosstalk refers to instances in which one or more components of one signal transduction…

Q: Which effect is a response to glucagon secretion? OA. Inhibition of skeletal muscle VLDL transport…

A: Glucagon is a peptide hormone. It is secreted by the pancreatic cells in response to low levels of…

Q: During fruit fly development, a transmembrane protein called Delta on the surfaces of presumptive…

A: Cell signalling involves the following events: Synthesis of signalling molecules their…

Q: What is the direct result of membrane depolarization in the release of insulin from pancreatic islet…

A: The correct answer is option A. Increased intracellular Ca2+.

Q: Treatment of this compound with Phospholipase D leads to and OA triacyl glycerol; inositol…

A: Phospholipase is an enzyme, which is known to hydrolyze phospholipids into lipophilic substances,…

Q: Which of the following is a property of signaling for epinephrine, growth hormone, GIP and…

A: Cell communication in biology is referred to as cell signaling which is the ability of a cell to…

Q: Question 34 Which of the following is not an aspect to consider when fine-tuning a cellular…

A: Cell signaling and response are key aspects in cytology. A proper cellular response is essential to…

Q: Which one ot the following statements is FALSE? Oa ADP is often one of the products of a reaction…

A: Protein kinases are enzymes that regulates biological proteins by phosphorylation with ATP. IT…

Q: Question 1. Cytoplasmic kinases are typically activated in the cytoplasm: A. as part of a cascade.…

A: Cytoplasmic kinases are a type of enzyme that are found in the cytoplasm of cells. They play a…

Q: QUESTION 40 Galactose requires 5 reactions to transform to glucose 6-phosphate in order to enter…

A: Galactose is the sugar in milk. Infants have an enzyme in the small intestine that metabolizes…

Q: Question 10 What is the effect of insulin on protein, carbohydrate, and lipid metabolism? OA.…

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Q: Question 16 Choose all that apply to the image below: 3.4 Enzyme Show answer choices Substrate the…

A: This question is asking about a particular biochemical response including an enzyme, a substrate,…

Q: Which of the following will increase frequency of cell-cell interactions, that are also important…

A: Cell-cell interaction is essential for the growth, development, and regulation of cellular…

Q: Question 4. Which of the following statements are true of tyrosine kinases? A. They always bind to a…

A: Tyrosine kinase is a special enzyme that selectively phosphorylates the tyrosine residues. Their…

Q: Question 16 Which hormone utilizes a "hormone response element" as part of its signaling mechanism?…

A: A hormone response element (HRE) is a specific DNA sequence within the promoter region of a target…

Q: Which pair of hormones has the most similarities w O A. T3 and testosterone O B. Calcitonin and…

A: Hormones:- they are a kind of chemical messenger molecule signals that are transported through…

Q: Question 21 Concerning glands: O Endocrine glands have long ducts Glands are lined by epithelial…

A: Glands are the essential part of the body that secrete hormones. There are two types of glands…

Q: Question 7 Leptin concentration in the blood stream is proportional to the mass of adipose tissue.…

A: The following question explores the role of leptin, a hormone produced by adipose tissue, in…

Q: QUESTION 30 Which of the following states in the cell (intracellular) are mutually coupled and…

A: Homeostasis is the property of cell by which the internal conditions of the cell are maintained.

Q: QUESTION 10 Why are the effects of the sympathetic nervous system so much more long lasting than…

A: The sympathetic and parasympathetic nervous systems are part of the autonomic nervous system, which…

Q: QUESTION 7 Which of the following hormones would react through a secondary messenger system? OA.…

A: The objective of the question is to identify which among the given hormones would react through a…

Q: Question 16 Which best describes why cachexia is a common manifestation of cancer? There is…

A: Cachexia is the condition in which the severe weight loss of  individual

Stress

Stress is defined as the feeling of being overwhelmed or unable to cope with emotional or mental pressure. Any event or action that makes a person annoyed, furious, or nervous can trigger it. Chemical changes in the body caused by stress can cause blood pressure, blood sugar levels, and heart rate to rise.