What can RNA do that DNA cannot that makes RNA a good starting point for life?

Q: Why is biology so interesting? Why is biology makes our life became more interesting?

A: Biology is a department of technological know-how that offers living organisms and their crucial…

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 do the cells within one organism perform different functions DNA?

A: Since there are multiple questions in this particular question, I'll answer the first one for you.…

Q: How did life first begin on Earth?

A: The Earth was created about 4.5 billion years ago. Scientists and researchers believe that the…

Q: What is the origin of life or the main ancestor of all organisms

A: Origin of life is still one of the most complex topics to be explained and it encompasses all the…

Q: Based on genes from O mitochordrial DNA the most accepted tree of life includes three domains.…

A: Mitochondria is a membrane-bound organelle that plays a vital role in producing energy for the cell.…

Q: Scientists have used genetic technology to develop strains of bacteria that are especially suited…

A: Bioremediation Is A Method Of Treating Contaminated Media, Such As Water, Soil, And Subterranean…

Q: What are the differences between Dna and Rna

A: 1. DNA is double-stranded which means it has two strands joined together. RNA is single-stranded. It…

Q: Why are information transmission, energy transfer, and evolution considered basic to life?

A: The unit of all life forms is termed the Cell. It helps the proper functioning of individuals from…

Q: Choose the best below ? The RNA-first hypothesis for the origin of cells is supported by…

A: The central role for various proteins in a cell is chemical reaction catalyzes that are important…

Q: Explain how “DNA contains the instructions for life and is passed from generation to generation.”

A: DNA or deoxyribonucleic acid is a type of molecule which contains two polypeptide chains which coil…

Q: The first genetic material on Earth was probably (a) DNA produced by reverse transcription. (b) DNA…

A: Genetic material contains genetic information and transmits it from generation to generation.…

Q: We know DNA as the blueprint of life and the important role it plays in cells. DNA is also in all of…

A: The four most important biomolecules in living things are carbohydrates, amino acids, nucleic acids,…

Q: How is information from the DNA passes on from one cell to another? How does the structure of a DNA…

A: The information from the DNA passes on from one cell to another via Mitosis. Mitosis in Eukaryotes…

Q: Place the following events of the beginning of life in their correct order. - organic polymer form -…

A: Life was begined with the inorganic molecules which further interact to form organic molecules which…

Q: ich of the following questions about the origin of life on Earth is most scientifically testable? *…

A: Different theories have been put forward to explain the origin of life on earth. Some of those…

Q: Why do many people, even biologists, find it difficult to define life?

A: Life can be defined as a period between birth and death for some people. Other can define it as…

Q: Bacteria are believed to have evolved some _______________ years ago.

A: evolution is the process by which more complex organisms originate from simple organisms . evolution…

Q: What are the 3 layers of the earth

A: The distance from beneath your foot to the center of the earth is approx 6,371 Km.  The internal…

Q: Which scientists figured out DNA is a double, not a triple helix?    1. Franklin and Wilkins   2.…

A: DNA is deoxyribonucleic acid is genetic hereditary material that is found in all the organism . It…

Q: How does the structure of a DNA molecule help account for the great variety of life that exists on…

A: DNA is the specific and dominant building block of the entire living organisms. They provide almost…

Q: Comment on RNA’s role in catalysis and coding in theories of the origin of life.

A: RNA is considered an important molecule from evolutionary times.

Q: Why are scientists interested in the primordial synthesis of organic molecules when it comes to the…

A: Introduction: The Oparin-Haldane hypothesis proposed that inorganic molecules in the atmosphere of…

Q: Which of the following is true? A) Life originated around volcanic vents deep in the oceans. B)…

A: Abiogenesis is the theory that explains that life originated by the spontaneous process in hot…

Q: What did the Miller-Urey experiment demonstrate? A. Life originated in outer space and was brought…

A: Miller was a graduate student at the time of the experiment, who was working under the direction of…

Q: Which of the following steps has not yet been accomplished byscientists studying the origin of…

A: The earth is formed before 4.6 billion years ago from the sun with continuous bombardment of huge…

Q: Think about replication and transcription in a biological cell. Which process would involve…

A: Transcription is the process of DNA dependent RNA synthesis. It is carried out by the RNA polymerase…

Q: Can DNA or other (organic) molecular level structures be programmed to do useful work?  Obviously…

A: DNA is the genetic material that carries the information to the next generation. Today, DNA is…

Q: Many scientists think that _______________ was the first information molecule to evolve. (a) DNA (b)…

A: The Earth has formed 4.6 billion years ago from the sun as a result of the constant bombardment of…

Q: Which of the following organisms appeared on earth first?     Prokaryotes     Eukaryotes…

A: Earth is considered to be the 4.5- 5 billions year old and is the habitat of vast form of lifes.

Q: Try to explain these terms do a person who does not have an extensive scientific background. These…

A: Microbial genetics is the study of the genetic component of the microorganisms. Microorganisms are…

Q: Stanley Miller’s experiment demonstrated that ________ .a. Earth is more than 4 billion years oldb.…

A: In the 1950s, biochemists Stanley Miller and Harold Urey did an experiment which showed that by…

Q: Which molecule -DNA or RNA- do scientist believe was found in the first life form on Earth? Why do…

A: DNA is the double helix structure. RNA is the signal helix structure.

Q: Choose the word that corresponds to the definition. v A chemical that contains a carbon double…

A: Since the words are missing answers are from a general prospective.    Biology is the branch of…

Q: The diagram below shows paired strands of a DNA double helix. If this molecule were to undergo one…

A: The functions of DNA and RNA are controlled by genes. Genes are made up of a distinct collection of…

Q: Which of the following schemes for molecular information flow never occurs in cellular life forms?…

A: The flow of information from one molecules to another os given by central dogma is cellular life…

Q: Compared to DNA, RNA; a) Uses thiamine b) Has an OH group on the 3' carbon and DNA does not Oc) Is…

A: DNA or Deoxyribonucleic acid is the genetic material that is passed from one generation to another.…

Q: Provide a brief discussion in support of the following statement: “RNA is believed to have played an…

A: DNA encodes RNA, which regulates protein synthesis. Proteins are responsible for the biochemical…

Q: What Planet has a sustain life?

A: Planets are the celestial bodies which revolve around sun in definite orbits.

Q: What evidence is there for the hypothesis that life originated on Earth by the creation and…

A: The origin of life on the earth is both an interesting and a difficult question to answer. We have a…

Q: DNA is a molecule that carries the 2.1.1 instructions used in the growth, development, functioning…

A: Introduction  DNA replication is very crucial for the continuation of life as every new daughter…

Q: For a long time, it was believed that life originated from decaying matter. What is this theory…

A: For a long time, it was believed that life originated from decaying matter. This theory is known as…

Q: Usually, within a gene, only one of the DNA strands is transcribed into RNA. Why haven’t both…

A: During transcription, DNA is used as a template to make a molecule of messenger RNA (mRNA) or…

Q: Agree or disagree: Evolution best explains the vast diversity of life here on earth”

A: There seems to be a fundamental misunderstanding here. Evolution is by no means problematic,…

Q: Oparin-Haldane hypothesis

A: Answer:

Q: Life first appeared on Earth ___________ of years ago. Choose one: A. billions B. hundreds…

A: Earth is formed around ~4.5 billion of years ago. Life on earth had started after some time.

Q: Why do we say that life is based on carbon

A: Carbon (from Latin word carbo meaning "coal") is a chemical element with atomic number 6 and the…

Q: The enzymes required to carry out transcription and translation arethemselves produced through these…

A: Since the very discovery in the late 1980's that RNA as a nucleic acid can catalyze reaction, the…

Q: Information molecule to get evolved first on the primitive earth was : (1) Protein (2) DNA (3) RNA…

A: Introduction: DNA, RNA, or protein are referred to as information molecules because they participate…

Q: Erwin Chargaff discovered that although the nucleotide composition of DNA varies from one species to…

A: DNA is the store house of genetic information. The segment of DNA that can produce a polypeptide is…

Abiogenesis