A mutation in p21 that destroys its binding site will

Q: The main structural characteristic of myosin molecules is: Select one: a. A beta-barrel b. A Fab…

A: Myosin is a motor protein. Myosin is a structural protein present in the muscle. Myosin is a…

Q: The normal function of the Rb protein is toa. act as a brake on cell division.b. produce…

A: BASIC INFORMATION  CELL DIVISION  It is necessary for all the cells In this the parent cell divides…

Q: What is necessary to make a cleavage furrow during cytokinesis?   A. Kinesin "walking" along…

A: * cytokinesis part of cell division in which  cytoplasm of one cell divides into two daughter cells.…

Q: Often mutations in cyclin dependent kinases, CDKs, can cause cancer. This is because a. CDKs…

A: Cyclins are one which drives the cell cycle events by working with enzymes called Cyclin-dependent…

Q: The drug pump activity of Cancer stem cells can be explained by the overexpression of: a. Mdr1 b.…

A: Cancer is the state of uncontrolled cell division.

Q: Which of the following describes an oncogene Group of answer choices A. a gene that stimulates cell…

A: Cancer is caused by changes in the DNA and is called genetic changes. Cancer is the growth of the…

Q: Somatic death is:     A. Death of part of the organism     B. Death of the whole organism     C.…

A: Refer step 2 for answer

Q: a way in which proto-oncogenes can change to become genes that induce cancer?

A: A proto-oncogene is a normal gene that can turn into an oncogene due to mutations or increased…

Q: Defects in this gene have been associated with metastasis in pancreatic cancer. Select one: O a. APC…

A: Answer : Option "G" is correct - BRCA1

Q: Which of the following is MOST likely true of aggressively dividing cancer cells (select one)?   A.…

A: Cancer cells: Because they no more react to many of the signals which regulate cellular development…

Q: ne epidermal growth factor receptor (EGFR) activates a complex signaling network - increase…

A: The example shown in the question shows the ligand binding and the cascading of effects that is…

Q: Retroviruses such as HIV, Herpesviruses, and Hepatitis B can be effectively inhibited by _____. Mark…

A: Nucleoside analogs such as acyclovir are antiviral drugs that can effectively inhibit the…

Q: Caspases are involved in ______________. Select one: a. promoting the cell cycle b. promoting cell…

A: Caspases are cysteine dependent proteases. They help in cell death.

Q: How does PDGF play a role in wound healing? Know the experiment done to show the need for PDGF for…

A: PDGF stands for Platelet-derived growth factor, it is a powerful mesenchymal cell stimulator.…

Q: Epigenetics works by Select one: a. activating DNA ligases so they can clip attached methyl groups…

A: Epigenetics is a field of study within genetics that focuses on heritable changes in gene expression…

Q: the main characteristics of genetically encoded calcium indicators: (can be more then one answer)…

A: Main characteristics of Genetically encoded calcium indicators (GECI) are-

Q: From the list of answers below (A-D) select the correct answer(s). There may be more than one…

A: Need to find which of the statement is right from the following.

Q: which condition a trimeric G protein is activated by a cell-surface receptor, a. the a subunit…

A: The answer to this question is given below,

Q: You have found a plant-derived compound that interferes with microtubule assembly by binding to and…

A: Mitotic inhibitors prevent the tubulin from being assembled and disassembled into microtubule…

Q: You are investigating the transport of proteins into the ER in various mutant cells. Where would you…

A: Transport into the endoplasmic reticulum (ER) is the important step inside the biosynthesis of…

Q: An example of a lipid-transfer protein found in late endosomes and lysosomes is _____. a. CD1a…

A: The correct answer is (e) CD1e

Q: A mutated form of protein p5x is found in patients with squamous cell carcinoma. In vitro studies…

A: A gene that produces a protein that is essential for regulating cell division and death and is…

Q: what is the protein component of the contractile ring that divides the cytoplasm of animal cells…

A: Cytokinesis is a process of cell division in which the cytoplasm of the parental cell divides into…

Q: Ras proteins are activated when they a. bind GTP. b. release GTP. c. bind GDP. d. undergo…

A: Cells pass through cell cycle under the influence of external or internal signals. External signals…

Q: Researchers have identified a mutation in the LMNA gene, which encodes some of the pro- teins in the…

A: The intermediate filament proteins lamins A and C are encoded by the LMNA gene, which is found on…

Q: You have found a plant-derived compound that interferes with microtubule assembly by binding to and…

A: Cancer is any of a wide range of illnesses characterised by the growth of aberrant cells with the…

Q: A mutation in Ras that prevents Ras from hydrolyzing GTP. Would cause? Why? A. Increased…

A: To produce many diploid cell progeny, cell proliferation is achieved by combining cell growth with…

Q: Why would the failure of the p53 tumor supressor gene be more likely to cause cancer in a seventy…

A: Tumor protein p53, which plays a crucial role in the cellular response to DNA damage, is one of the…

Q: When p53 is activated, a cell cannot progress:   A. throught M-phase B. from G2 into M phase C. From…

A: The p53 protein acts as a tumor suppressor, which means that it regulates cell division by keeping…

Q: Define the following terms:a. Crabtree effectb. transcription factorc. response elementd. insuline.…

A: The Crabtree Effect occurs in metabolically adapted cell lines are grown in anaerobic conditions…

Q: Alterations in which of the following intracelluar pathways appear to be required for human cell…

A: <!--<SUB-PART>--> (a) <!--<SUMMARY-INTRODUCTION>-->   To Determine: If the…

Q: Which of the following accurately compares tumor suppressor genes and proto-oncogenes? A. Both…

A: Tumor suppressor genes and proto-oncogenes are both types of genes that play important roles in…

Q: f cancers are treated with surgery, chemotherapy, stem cell replacement or radiation, similar to…

A: Cancer cells  can be defined as the cells that mostly  divide continuously  and forming the solid…

Q: A.) DNA encodes for the cell genome and is therefore a permanent copy to have a functioning cell.…

A: The two statements given in the question are :  A.) DNA encodes for the cell genome and is therefore…

Q: In a suppressor interaction, produce(s) a protein complex that is 1 mutation, active . 1 mutation,…

A: Any change or alteration to the composition of DNA other than recombination of the DNA is called a…

Q: A mutation in p21 that destroys its binding site will Select one: a. inhibit transcription of p21 b.…

A: Cyclin dependent kinases (CDKs) bind at the binding site of p21 and this binding leads to inhibition…

Q: Which of the following is false about the two types of major histocompatibility complex molecules?…

A: Major Histocompatibility complex ( or MHC ) are group of several proteins ,encoded by polymorphic…

Q: Identify which of the following statements is a lie? Select one: a. A signalling pathway called…

A: Cell signalling or cell communication is the capability of the cells to communicate with each other…

Q: Which of the following would most likely promote necrosis?

A: The death of cells or any tissue of body is called as necrosis. Whenever tissue is not getting…

Q: Which of the following statements is a lie? Select one: a. The contractile ring further contracts…

A: Cytokinesis occurs at the time of cell division that is  mitosis and meiosis Cytokinesis is the…

Q: Glucocorticolds are steroid hormones that are released into the circulation and will cause changes…

A: The correct option is C

Q: One example of an oncogene is ras. Ras is a G protein that is activated when growth factors bind to…

A: Cell cycle:  It is the sequence of events by which the genome of the cells gets duplicated and the…

Q: It is an example of natural mutation in cattle that enabled the creation of breeds such as…

A: A Mutation occurs when a DNA gene is damaged or changed in such a way as to alter the genetic…

Q: The body produces a normal amount of testosterone. However, a particular cell you are studying has…

A: Answer - B. The cell will make less mRNA in response to testosterone exposure. Explanation - The…

Q: Enzymes that have binding sites for modulators are specifically called a. zymogens b. quaternary…

A: An enzyme modulator can be defined as a substance that binds to a receptor to change the receptor's…

Q: Which of the following proteins would least likely promote arrest of cell division or apoptosis?…

A: Apoptosis:  A sort of planned cell death known as apoptosis, or "falling off," can place in…