Many scientists claim that the synthesis of the first organic molecules from inorganic precursors was possible because of the highly reducing atmosphere found on primitive Earth. Which of the following is an appropriate

Q: Electrostatics has an important role to play in modern molecular biology. Explain this statement.

A: Introduction: Electrostatics is a branch of physics that explains the interaction between two…

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: Why are the two great oxygenation events in the earth’s atmosphere seen as key prerequisites for the…

A: The two great oxygenation events or oxygen revolution was a time period when earth's atmosphere and…

Q: One of the prerequisites for chemical evolution on early Earth is that there was an adequate amount…

A: Early earth is not rich with oxygen until photosynthetic bacteria arrived after that oxygen levels…

Q: In Miller’s original experiments on chemical evolution, which of the following molecules (gases) is…

A: When Earth formed 4.6 billion years ago from a hot mix of gases and minerals, it had almost no…

Q: What experimentation has been done on finding the source or raw material for the first life on…

A: Harold Urey and Stanley Miller are two American scientists who attempted to create similar…

Q: The oxygen revolution permanently changed Earth’s environment and dramatically impacted the…

A: We are answering first 3 questions. For rest of questions pls repost.     Oxygen evolution is a…

Q: Which of the following is not a reason why RNA is expected as one of the first primary molecules in…

A:

Q: Understand the importance of the Miller-Urey experiments that recreated the conditions present in…

A: Stanley Miller and Harold Urey demonstrated in their experiment that UV radiations or electric…

Q: If we could capture the spectrum of an exoplanet, we may find evidence for life on that planet in…

A: Fossils are the evidences for the history of the life on earth, the remains of a organism or any…

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: Place the five metabolic types in the probable order of their evolution: oxygenic photosynthesis,…

A: Understanding the evolution of metabolic pathways is a fascinating journey through the history of…

Q: Please, need help with the explanation of the answer: During Chemical Evolution, what would one…

A: Chemical evolution describes changes in entities that do not necessarily need to be able to…

Q: Comparisons of amino acidsequences can shed light on the evolutionary divergence ofrelated species.…

A: Evolution can be defined as the change in the inherited characteristics of the populations that…

Q: The mathematical shape of the earth can be made as: a. Flat b. Almost any shape such as spheroid…

A: Introduction :  Earth is an oblate spheroid. This means it is spherical in shape, but not perfectly…

Q: There are  various components of the biosphere such as ecosystem, species and communities. Define…

A: The biosphere is the area of Earth where organisms live. For example- the above and below the…

Q: During the first 600 million years of Earth history, enzymes, ATP , and other molecules could have…

A: The primitive earth was in the form of a red hot, solidified cloud containing free atoms. The…

Q: Describe how the sudden appearance of oxygen in the atmosphere about 2.5 billion years ago…

A: Since life first emerged on Earth between 3.5 and 4 billion years ago, it has continued to develop.…

Q: 9) Rocks containing fossil evidence have been found in Canada suggesting how life on Earth evolved.…

A: They are the remains of an organism that are preserved. They can be found as traces of ancient…

Q: Around the time Eukaryotic Cells began to compartmentalize their reactions, and the chloroplast and…

A: Introduction  Origin of life on earth can be traced back to 3.4 billion years ago and as we now know…

Q: State in what ways Stanley miller simulated the condition of :-i) Primitive atmosphere on earth.ii)…

A: Stanley miller performed an experiment to prove that organic molecules were produced by the…

Q: Choose the most appropriate statement that matches each term. a substance that occurs only or…

A: Here, it is required to select the appropriate sentence for each term.

Q: Stanley Miller and Harold Urey added which organic molecule to their prebiotic mixture for…

A: Miller-Urey experiment, carried out by Stanley Miller and Harold Urey at the University of Chicago…

Q: Question #1: Please describe the specific enzymes that you are familiar with that are involved in…

A: " Since you have asked a multiple question , we will solve the first question for you. If you want…

Q: Lichens are formed by an association between: fungi and plants O algae and plants O protists and…

A: Introduction Ecology:- It is the study of the relationship between living organisms and their…

Q: - How much time does it take for 1 half-life to occur?   -Approximately how many half-lives are…

A: Carbon is the element that is most commonly found in organic molecules. All organisms have a carbon…

Q: You performed an evil experiment and ended up with a panda, turtle, and butterfly hybrid (By all…

A: To remove the evidence of the hybrid creature as quickly as possible, you would need to accelerate…

Q: Bread is one of the most common type of food that people eat for breakfast every morning. Use your…

A: Three naturally occurring carbon isotopes are carbon-12 is most common (99%), carbon-13 makes only…

Q: therefore, humans should immediately set a date for their relocation to Mars where, with proper…

A: Global warming has destroy earth by causing floods, earthquakes, heat waves etc., this lead to the…

Q: Miller and Urey

A: In 1952, a University of Chicago chemist named Stanley miller and Harold Urey conducted a famous…

Q: A. What were the organic monomers that were created in the first step of chemical evolution and what…

A: Evolution is the gradual alteration of a species' traits over many generations. The basic idea of…

Q: 29) The Cretaceous extinction. which was the most recent mass extinction, occurred about 65.5…

A: Natural selection, or evolution, is the process by which a species' features evolve over a number of…

Q: Give the stratigraphic arrangement of rock layers as shown below, the circles represent places where…

A: The correct answer is option: B The therapsids are believed to be present between the Carboniferous…

Q: In the prebiotic world, the chemical evolution scenario proposes that:     Small inorganic…

A: Life originated on the earth 4.2 billion years ago. Prokaryotes were the first formed organism on…

Q: Assume a flat Friedmann-Robertson-Walker universe, dominated by a fluid with equation of state P = ²…

A: In a flat Friedmann-Robertson-Walker (FRW) universe dominated by a fluid with an equation of state…

Q: Wich one of the following is NOT correct for biophysical system? Select one: a. Biophysical systems…

A: Biophysics is a multidisciplinary study utilizing systems from physics to study biological…

Q: Based on what geologists have learned about Earth history, levels of oxygen in Earth's ancient…

A: Glycolysis is the process in which glucose is converted into pyruvate by a 10 step process and every…

Q: Considering what you know about how atmospheric oxygen changed over the 4.5 billion years that life…

A: In all the organisms, the metabolic reactions take place in the cells to convert the biochemical…

Q: True or false: The "Miller Urey" experiment that found heating and cooling gases such as H20 and CH4…

A: This research suggests that at least a few of the components of life may have developed abiotically…

Q: (e) If you collected a sample of water being ejected from Saturn's moon, Enceladus, you could…

A: A sample-return mission is a spacecraft mission that collects and returns samples to Earth for study…

Q: Beyond the usual carbon based life, and proposed life based on silicon, what other compound is…

A: Carbon based Life   The life on earth is carbon based this is because carbon have unusual tendancy…

Q: Radioisotopes are useful in dating fossils and rocks because

A: Fossils  They are remains of animals which are preserved in ice or in deep underground or inside…

Q: Q2: Which of the following statements is true about the protein Cytochrome C? A. Its secondary…

A: Phylogenetic trees are used to determine the relationship between the animals of the past and that…

Abiogenesis