What are the 3 R's in animal experiments? Explain each.

Q: Why is the davson Danielli model wrong?

A: The Davson–Danielli model also known as paucimolecular model of the plasma membrane was proposed in…

Q: What are the conclusion(s) of the Hershey and Chase experiment?

A: Hershey and Chase Experiment - Hershey and Chase Experiment is also called as Blenders Experiment…

Q: explain why controls are crucial in biological studies?

A: An experiment is a research approach to validate a hypothesis based on evidence and results. An…

Q: What was the hypothesis of Stiling and Drake’s experiment?

A: Stiling and Drake conducted their experiment to study the elevated carbon dioxide's atmospheric…

Q: What can you recommend to lessen the pain experienced by animals in animal testing?

A: Animal testing is a part of the invivo testing I order to get the desired results in a non human…

Q: What is the definition of independent variable, dependent variable, and constant? Where on a graph…

A: Scientific method consists of following steps -  1. Asking a question 2. Hypothesis 3. Experiments…

Q: How can performance bias be reduced in animal experiments in conducting vivo experiments

A: In this question it is to describe that how can performance bias be reduced in animal experiments in…

Q: With respect to the concerted model, what is the L value? What is the c value?

A: The concerted model explains the behavior of the allosteric enzyme. It consists of two conformations…

Q: What are the similarity and their differences between Benedict's and Fehling's tests?

A: Benedict's test and Fehling's test are used to determine the presence of sugars in solutions or…

Q: Write a short notes on harshey-chase experiment?

A: Hershey chase chase experiment were the series of experiments which was conducted in 1952 by Alfred…

Q: Meselson & Stahl Experiment?

A: Replication means the process of duplication. The central dogma explains the DNA (Deoxyribonucleic…

Q: What is the independent and dependent variables? Also what are the controlled variables and the…

A: In the given question experiment is carried out to see at which temperature enzyme gives maximum…

Q: What would be the controlled variables and the controls in this experiment if any?

A: Amylase enzyme digest starch and breaks down into small units. To check the activity of amylase,…

Q: Describe meselon AND STAHL'S EXPERIMENT?

A: DNA was discovered by Friedrich Meischer from the nucleus of the pus cells obtained from discarded…

Q: What is the purpose of positive and negative controls in an experiment?

A: In the field of microbiology, there are various experiments are done to find the microbes. These…

Q: What does the Apgar score measure?

A: A score with a maximum value of ten and ranges in value from zero to two for each condition is…

Q: What is the Kirby-Bauer Test? Describe it and explain how you would interpret the results.

A: By culturing bacteria on a plate and placing the soaked discs on the bacteria, this method measures…

Q: How you can tell that an experiment is in compliance with IACUC based on what ?

A: The well-being of nonhuman animals is referred to as "animal welfare." Formal animal welfare…

Q: What conclusion(s) can be drawn from Griffith’s experiment? What questions remain?

A: Frederick Griffith, a British bacteriologist whose 1928 experiment with bacterium was the first to…

Q: what are steps to take that would prevent animals from getting harmed when conducting animal…

A: First of all let's understand what animal testing is and what benefit does humans get from that and…

Q: Explain the procedure of a pulse-chase experiment.What is the pulse, and what is the chase? What was…

A: Molecular biology is the branch of biology in which we study that how the composition, structure and…

Q: Describe the classic experiments of Steward, Gurdon, and Wilmut.

A: Cells are formed by the division in the existing cells.

Q: I am trying to figure out these four things. What is the independent variable, what is the dependent…

A: In the experiment, independent variables are not dependent upon other variables and are not altered…

Q: What variable will you change in this experiment? This is also called the Independent variable. How…

A: There are so many factors, that are known to affect the activity of an enzyme. Temperature is one of…

Q: Name the experiment shown above and briefly describe how it is set up as well as the role of each…

A: Gel electrophoresis is a method of separation of protein (SDS-PAGE, polyacrylamide gel…

Q: Based on Avery, MacLeod, and McCarty’s results, what would Hershey and Chase have hypothesized?

A: The search for a genetic material was a drastic discovery in the field of biology. Initially, it was…

Q: What is the placebo effect in an experiment?

A: Placebo effect, it is an psychological factor or state of mind.

Q: Describe the “blender experiments” of Hershey and Chase and what they revealed about DNA versus…

A: The blender experiment performed by Hershey and Chase proved that the deoxyribonucleic acid (DNA) is…

Q: What is the definition of BMR and what does BMR stand for

A: Metabolism involved anabolism (synthesis of molecules with consumption of energy, few number of…

Q: What does in vitro mean in biology?

A: In vitro and In vivo are the methods used in scientific studies for the purpose of the research. The…

Q: How do I write an experimental design?

A: When starting a scientific investigation, certain assumptions can be made about the subject of study…

Q: State what is the miller-urey experiment, when was it done and describe how it works.

A: Introduction Experiment stimulated the conditions thought at the time to be present on the early…

Q: why should animal testing be banned?

A: Animals are tortured, abused, and exploited in research and biomedical institutions throughout the…

Q: What is the independent variable? What is the dependent variable? Suggest a control for this…

A: Lactobacillus bacteria are found in rich carbohydrates containing products like milk, cheese,…

Q: What are the advantages of simulation models?

A: The simulation model is considered as the execution of the model through computer programming. It is…

Q: What is the difference between a random sample and a composite sample? When would each be used?

A: Sampling is the process of obtaining a small representative of a large population which can be…

Q: Which of the following statements is FALSE about the fluctuation experiments that were performed by…

A: The statement that is false about Luria and Delbruck experiment is, described below

Q: What is the function of QA and QC? Write the difference between QA and QC?

A: QA stands for Quality assurance and QC stand for Quality control.  According to ISO, Quality…

Q: What is the independent variable of the experiment?

A: In a scientific experiment the selection of dependent and independent variables are very important.…

Q: What is the difference between cost and time of animal testing vs. alternative

A: Animal testing refers to procedures carried out on living animals for the purposes of basic biology…

Q: Explain a double-blind experiment?

A: Double blind experiment is a type of clinical research . This reliable form of study is done to…

Q: What conclusion(s) can be drawn from Avery, MacLeod, and McCarty’s experiment?

A: Evidence from bacterial transformation: - The transformation experiment conducted by Griffith in…

Q: What is control group? Explain the purpose of a control in an experiment.

A: It is required to define a control group and the purpose of control in an experiment. The scientists…

Q: How did van Helmont describe his results? What is the appropriate interpretation of van Helmont's…

A: Jan Van Helmont wanted to prove that during photosynthesis plants use the material from the soil. he…

Q: What are the differences between an MRI and a CAT; how are they used?

A: MRI (magnetic resonance imaging) and CAT (computerized axial tomography) are diagnostic imaging…

Q: What is the primary advantage to using a chimeric mouse in animal trials of a new drug and what are…

A: Often different types of model organisms are used in biological research for scientific studies.

Q: Give the Summary of the Hershey–Chase experiment ?

A: Alfred Hershey is an American bacteriologist and geneticist. Martha Chase is an American…