Even though they have several differences, a bacterium and a human cell will both contain DNA. With respect to evolution, what does this fact suggest?

Q: RNA is often characterized as being the first“biologically active” molecule. What two properties or…

A: The RNA world is a hypothetical stage in the evolutionary history of life on earth, in which self…

Q: What Causes Evolution?

A: Evolution is the gradual change that occurred in the species over a period of time.  Evolutionary…

Q: Evolution, which involves genetic changes in a population of organisms over time, is often described…

A: Evolution is considered as a key unifying principle in biology. There is a popular saying that…

Q: All life shares DNA as the hereditary material. From an evolutionary perspective, why do you think…

A: To recap: The evolutionary foundation for the statement "All life shares DNA as a hereditary…

Q: What is evolution and why is a basic knowledge of evolution necessary?

A: Evolution, in this unique context, is both a reality & a hypothesis. It's obviously true that…

Q: How does the structure of DNA enable the ability to store information, be consistently replicated…

A: Nucleic acids are involved in various processes in the cell, their main role is the expression of…

Q: Which molecule is believed to have preceded the other two during the evolution of life? RNA…

A: Introduction :- When an environmental shift makes new resources available or poses new environmental…

Q: How did Stanley Miller’s experiments support the idea that, even atlife’s origins, physical and…

A: The earth begins from 4.6 years ago, from the cloud of gases that contain helium and hydrogen. From…

Q: activities demand more body movements? Explain. Give 2 systems that are directly affected whenever…

A: * when we exercise we feel increasing in breathing and hear beat too. * we require more oxygen when…

Q: If for a patient's lungs, the tidal volume is 410 ml, inspiratory capacity is 3050 ml, vital…

A: Lung volumes are calculated and used to assess the functional capability or efficiency of the lungs.…

Q: What are the weaknesses of the origin of life theories?

A: At the turn of this century, spontaneous generation began to make a comeback as a scientific theory…

Q: DNA-based

A: In the initial times the genetic material of yhe most of the primitive organisms was the RNA and…

Q: Which of the following conclusions about this form of life would be most justified?

A: Any life form that exists must have some form of central dogma for functioning and survivability,…

Q: What is the difference between an adaption and a mutation concerning evolution?

A: Evolution can be defined as the accumulation of gradual changes in characters over several…

Q: How does analysis of DNA and proteins support each other evidence for evolution?

A: Introduction :- The interpretation of genetic sequences is known as DNA analysis, and it can be…

Q: What are the implications of cellular and molecular biology for spontaneous generation and the…

A: Spontaneous generation is a hypothetical process that suggests that living organisms could develop…

Q: In 100 words, explain in detail the two things that govern the rate of evolution.

A: Evolution is defined as the change in the genetic composition of a population during successive…

Q: Which of the following schemes for molecular informationflow never occurs?(a) DNA → rRNA(b) DNA →…

A: The 'Central Dogma' is basically the process in which the instructions of DNA are converted into a…

Q: During the course of evolution why DNA was choosen over RNA as genetic materials?

A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…

Q: Simple systems (of this type) of RNA , enzymes, and coenzymes have been created in the laboratory.…

A: Chemical evolution refers to changes in entities that do not have to be able to reproduce…

Q: How does the increasing frequency of anabiotic resistant strains of bacteria represent an example of…

A: Antibiotics are pharmaceuticals that are used to prevent and treat infections caused by bacteria.…

Q: Which statement about genome evolution is false?     Mutations at the ends of introns are less…

A: Evolution is change in the heritable characteristics

Q: There are two hypotheses to explain the pattern of Human Evolution: 1) Progressive Evolution of a…

A: Since we are so complicated, no one field can truly "understand" us. So, let's examine some of the…

Q: Random mutations only very rarely result in changes in a protein that improve its usefulness for the…

A: Introduction: The genome of every human is different because of the occurrence of mutations taking…

Q: Which of the following statements is an accurate representation of the five unifying themes of…

A: The living organisms shows some characteristics that includes- metabolism, homeostasis, response,…

Q: How do biochemistry and molecular genetics contribute to the evidence that evolution has occurred?

A: Evolution is the adjustment of the qualities of an animal types more than a few generations and…

Q: What is the main theory opposed to evolution?

A: Gradual change in a population over a period of time is population. The main thing which opposed the…

Q: What is the benefit of evolution to all organisms?

A: Introduction:Evolution refers to the change in the species with time. Every single species living on…

Q: What conditions are necessary for evolution by natural selection?

A: Some kind of genetic variability is always present in a population. Such alleles make an organism or…

Q: In recent years, strains of bacteria resistant to antibiotics have created serious health care…

A: Antibiotics are the medications that are used for suppressing the growth of bacteria or killing…

Q: Because all known living organisms share a common system for storing and utilizing genetic…

A: option(4) is correct answer. All the given ideas are likely.   1. All life forms on earth share a…

Q: Natural selection can cause evolution, but evolution is not always caused by natural selection.…

A: The idea of natural selection was first given by Darwin.The process is explained as the process…

Q: What is natural selection and how does it drive evolution?

A: Introduction: Natural selection is a process that drives evolution by selecting the fittest…

Q: The theory of evolution states that all living things had a single common ancestor. The translation…

A: All living beings that we can classify descended from the Last Universal Common Ancestor, according…

Q: What are two evolutionary explanations for why certain organisms might NOT blend into their…

A: Organisms shows different ways of adapting to the changing environment, some adapt biologically…

Q: In what sense does the universality of the genetic code support the theory of evolution?

A: Because of the genetic code, a lot of very different species have the same genes. Similarities and…

Q: Which of the following is least reasonable regarding the Urey-Miller experiment? Group of answer…

A: Harold C. Urey and Stanley L. Muller conducted an experiment to explore the origin of life on earth.…

Q: Which of the following is a reason that the low error rate of DNA replication is important to…

A: Some genes can withstand changes. Depending on whether it affects those genes, there may be some…

Q: Does natural selection cause micro or macro evolution? Explain.

A: On the basis of scales, at which evolution occurs, biological evolution is divided into…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.