Clonal Selection Hypothesis is the most accepted theory for how immune cells respond to specific antigens.   Explain the clonal selection hypothesis. Use the autoimmune response, and immunological memory to suggest why the hypothesis may be correct….or not? (150 words)

Q: You apply a drug to a batch of neurons and record membrane potential changes in the presynaptic and…

A: Here membrane potential raises from -70mv to - 55mv.  That means depolarization occurs.  At…

Q: 1. A patient with iron deficiency anemia experiences shortness of breath, weakness and has a pale…

A: Introduction  The most prevalent type of anaemia is iron deficiency anemia. It occurs when your body…

Q: 1. What is importance of inflammation in the immune response? 2. Describe when the inflammation is…

A: As per the guidelines, we are supposed to answer only one question. Since you have asked multiple…

Q: what are 5 pieces of evidence to support darwin's theory of evolution

A: Introduction Evolution:- It refers to the change of characteristics of a population that can be…

Q: 5 Use the diagram below to answer the questions. hematocrits plasma leukocytes erythrocytes normal A…

A: "Blood" is an extracellular matrix made up of plasma, red blood cells, platelets, and white blood…

Q: Which of the following is only composed of exergonic reactions? O Metabolism Catalysts Anabolism…

A:

Q: let's imagine a giraffe whose diploid is 30. 1)Under what circumstances would the giraffe go through…

A: 2n = 30    Mitosis performed under following circumstances -  development ,  growth , replacement…

Q: Below is a picture of multiple mRNA molecules being transcribed simultaneously from the same…

A: mRNA transcription and translation occurs at same time in prokaryotes(polycistronic) while in…

Q: Given the pedigree below, answer the questions that follow: a. Probable mode of inheritance: b.…

A: Introduction The pedigree shows how a trait is passed down over generations. The male member is…

Q: Q4.4. A wildlife biologist has adopted a number of techniques to protect the Willow Flycatcher, a…

A: Introduction Ecology is the branch of science that deals with how organisms interact with other…

Q: Which stage of photosynthesis makes products like ATP and NADPH? the light dependent reactions the…

A:

Q: 1 what kind of maccomlecule is shown Carboltydrates 2₁ Identify the bond between 1 and 2

A: Carbohydrates are macromolecules is made up of a large number of monosaccharides units, glucose,…

Q: Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by…

A: Given question:  78. Which of the following is not a QC function? a. Inventory control b. In-process…

Q: A phylogeny of human influenza virus samples from humans and a non-human host, swine, is shown…

A: A phylogenetic tree is a bioinformatic tool which is used to detect evolutionary relationships…

Q: 3. Which of the following shows the correct hierarchy of classification from the most inclusive to…

A: 3. a) domain , kingdom, phylum, class, order, family, genus , species.      4. Only same…

Q: Please complete the table attached and answer the following questions a.) What is the correct term…

A: We are allowed to do only one question please repost the undone question again  Thank you for…

Q: 6. Assume that you are working at a biotechnology company and you are assigned to a project in which…

A: Protein purification is a set of procedures for isolating a single or a few proteins from a…

Q: 1. Determine what is the Cross section? What's under the numbers? 7 8 9 10 11 68 12 13

A: the initial guesses is that, it is the body part of plant because there are such kind of cell…

Q: What is the morphology of Tolypocladium inflatum and how does it look in culture samples?

A: Tolypocladium inflatum is a fungus that belongs to the phylum Ascomycota. This species is known for…

Q: 1. What does Bio mean in BIODIVERSITY? a) Life b) Water c) Variety d) Earth

A: DISCLAIMER FOR MULTIPLE Since you have asked multiple question, we will solve the first question for…

Q: The municipality proposes to use reverse osmosis to remove CaCl2 from a salt water stream, whose…

A: Osmosis is a process where water flows from an area of high water concentration to an area of low…

Q: There is a report of a new disease affecting approximately 30% of the persons living in a small…

A: Introduction  Infectious diseases are illnesses caused by bacteria, viruses, fungus, or parasites.…

Q: Explain how cations form.

A: A cation can be described as the positive ion. It contains more protons than that of number of…

Q: A client engages an engineering firm to develop environmentally-friendly packaging for the sports…

A: Introduction Sustainability is defined as the method of utilizing the resources and meeting the…

Q: 8. Clonal Selection Hypothesis is the most accepted theory for how immune cells respond to specific…

A: 8. Clonal Selection Hypothesis is the most accepted theory for how immune cells respond to specific…

Q: Patient B., 60 years old, was hospitalized with the diagnosis "Myocardial infarction". On…

A: The differential diagnosis for pathological disorders involving the pituitary stalk and suprasellar…

Q: Guide question 1. What can you infer from symbols in the illustration?

A: Note: As Per Guidelines, We Can Answer One Question At A Time. Ask Again To get rest answers.…

Q: Describe how the skin and mucous membranes play an integral role in helping the body protect itself…

A: Skin surface  and all the mucous membrane forms a physical barrier against antigen. It…

Q: Blood pressure readings have two distinct measurements, the Osystole and diastole arteriole and…

A: Blood pressure is determined both by the amount of blood your heart pumps and the amount of…

Q: When selection favors homozygotes over heterozygotes it is likely that... Incorrect answer -  both…

A: Natural selection is a theory that states that organisms evolved by changing their heritable traits…

Q: Question:- Give clear examples of both direct and indirect species interactions.

A: There are a vast number of interactions between species. Some interactions are direct but many more…

Q: 2. Complete the table below for the hormones involved in blood glucose control. Insulin Glucagon…

A: Diabetes is a disease of blood sugar and it is caused by a low level of insulin or nonfunctional…

Q: A device called a hemocytometer is used to measure the amount of hemoglobin present. Red blood cells…

A: Introduction  The study of blood and blood disorders is known as haematology. Hematologists and…

Q: A Removing water is to osmosis A Adding water is to osmolarity B. Gated channels are to mediated…

A: Introduction  Active transport is the movement of molecules across a cell membrane across a…

Q: 2. Mosses characteristic.

A: Mosses are small , flowerless plant and non vascular plants that grows on mats , moist ground ,…

Q: pharmacy conversions 20. three and one-half fluid drams= fl3 22. one thousand units 22. one thousand…

A: Answer :- 20) 3 and 1/2 fluid drams Fluid dram= 5  3×1/2=7/2 fluid drams = 35/2 ml = 17.5 ml 3 and…

Q: 1. Is the production of the caffeine affected by climate change? Yes or No. Explain and discuss your…

A: Introduction Caffeine:- It is a natural stimulant most commonly found in tea, coffee, and cacao…

Q: enzymes increase the rate of a chemical reaction by  increasing the amount of activation energy…

A: Introduction  Proteins that operate as biological catalysts are known as enzymes. Catalysts help to…

Q: Why is population level genetic variation important for evolution and what causes genetic variation…

A: Introduction Variation is defined as any difference between individual organisms, cells, or groups…

Q: Provide background information on zanamivir (antiviral drug) and determine the mode of action. Be…

A: INTRODUCTION Zanamivir Zanamivir is an antiviral drug used to treat influenza caused by Influenza A…

Q: Look up 5 other species that are in the same order as your species and create a dichotomous key that…

A: Species are a group of living organisms consisting of similar individuals that are capable of…

Q: A- BC C- D

A: Reproductive system and urinary system are connected in such a way in these both system use common…

Q: Answer questions 12-16 , I need the letter of your answer

A: Environment refers to the area where organisms live. Ecosystem is the organised community of living…

Q: find another carbon cycle diagram and compare it with the diagrams attached. include detailed…

A: Carbon cycle The carbon cycle is one of the most important biogeochemical cycles in nature. It is…

Q: How does Lamarck'd idea of "use and disuse" differ from Darwin's idea, which was later called…

A: Species diversity is a measure of biological variety seen in a certain ecological community,…

Q: Discuss the two mechanisms that result in the termination of transcription - How do they differ and…

A: Transcription is a process in which RNA is synthesized with the help of the template strand of DNA…

Q: Describe the role of non-specific macrophages in preventing infection.

A: Non specific macrophages are immune cells tha respond to many antigens.  It act as first line…

Q: Method: 1. 96 well plates are coated with an antigen. Sites unoccupied by the antigen are blocked…

A: We know that enzyme linked immunosorbent assays are sensitive technique that use an enzyme Ab-Ag…

Q: 12:15 Acellus Types ionary Instructions : Choose one of the following: - Directional selection:…

A: Directional selection is a negative natural selection mechanism in population genetics in which an…

Q: Enumerate the different kinds of neuroglia/glial cells that support neurons. Characterize each…

A: The cells of nervous system the other than neurons which are imperable of generating and…

Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.