Which molecule is believed to have preceded the other two during the evolution of life? RNA     Proteins     DNA

Q: 4. Fill in the table: Step of how life started 1- evolution of monomers 2- evolution of polymers…

A: The flow of genetic information in a biological system is explained by central dogma and it involves…

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: It can be said that modern biology is experiencing an “omics” revolution. What does this mean?…

A: Modern Biology  can be specialized and advanced topics in the fields of cellular biology 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: 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: 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: How do biologists define life, and what were the origins of life?

A: This question is about and origin of life.

Q: Match the words in the left column to the appropriate blanks in the sentences on the right. chemical…

A: Emergent properties- properties exhibited by a group of individuals due to interaction among…

Q: How does Biogenetic theory explain the origin of life?

A: The biogenetic theory is a scientific theory that seeks to explain the origin of life. According to…

Q: Explain how the diversity of life evolved over time.

A: The term biological diversity or biodiversity refers to the variety of living organisms and their…

Q: When a human child goes through puberty, the organs associated with reproduction grow and become…

A: The human body is constantly growing or is repaired. Wear and tear of the body need repair while 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: Stanley Miller and Harold Urey provided the first experimental evidence that        . Group of…

A: Introduction :- The Miller–Urey experiment was a chemical experiment that reproduced the…

Q: Without an oxygen-free atmosphere, the organic compounds that started the story of life never would…

A: The Earth has been significantly altered by life. Organisms have influenced the composition of the…

Q: and the of life on Earth. The Theory of evolution describes both the creation and design Unity and…

A: The answer with explanation is described in step 2.

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: All living organisms use DNA and RNA as their genetic code. Humans and roundworms, in fact, have 25%…

A: Evolution is defined as the change in trait of an individual in a species over a period of time.

Q: evolution of living organisms

A: Earth's life was evolved by single-celled organisms and as Charles Darwin suggested in his theory…

Q: The video game “Spore” invites players to design creatures and guidethem through “five stages of…

A: Evolution is the process of gradual accumulation of variations in organisms.

Q: Why is RNA likely to have been pivotal in life’s beginnings?

A: Ribonucleic acid (RNA) is a polymeric molecule that plays various roles in biology, including gene…

Q: Through which of the following sequences did chemical evolution MOST likely take place? Protobionts,…

A: According to Oparin, coacervate serves as a bridge between loose complex organic molecules and…

Q: what are the differences between creationism and the theory of human evolution

A: There has been a debate between people of science and people of God that how life came on the earth.…

Q: What theory explains that the earth was created by a supreme being? *       Gradualism No answer…

A: Earth is the third planet starting from the sun. It is the only astronomical object known to harbour…

Q: Which of the following evidence most strongly supports the common origin of all life on Earth? *

A: Answer : Universality of the genetic code.

Q: Why is the advent of cyanobacteria considered a critical step in evolution?

A: Cyanobacteria, conjointly called division, are a phylum of prokaryotes consisting of each…

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: Charles Darwin’s evolutionary ideas was a speculative hypothesis about the origin of life from…

A: Charles darwin is famous  for his theory of evolution.  He also wrote many books like on the origin…

Q: In a discussion about the origin of life, one student argued that RNA molecules must have come…

A: RNA and DNA are both nucleic acids that play crucial roles in the storage and transmission of…

Q: Which of these provides evidence of the common ancestry of all life? near universality of the…

A: Evidence of organic evolution is provided by -  1.Paleontogical evidences  2.Evidences from anatomy…

Q: How could changes in a single gene or DNA region ultimately leadto the origin of a new group of…

A: Mutations can be defined as the occurrence of changes in the genetic sequence which leads to the…

Q: Which of the following are considered emergent properties of life? Check all that apply. Electrons…

A: ANSWER:- Release of energy from glucose during metabolism Three-dimensional structure of different…

Q: From an evolutionary point of view talk about how natural selection has played in biology processes.…

A: Natural selection is one of the main process that causes evolution in organisms. All individuals…

Q: 1. Design a cell/a system of cells using the following to show explicitly. Respiratory system,…

A: Introduction: The cell is the structural and functional unit of the body. Because it helps in…

Q: Walter sutton a- proposed theory of evolution  b- proposed chromosomal theory of inheritance…

A: The tightly packed genetic material located in the nucleus of a living organism which is made up of…

Q: Choose one theory that you think best explains the origin of the universe.

A: Since the 1980s, RNA World has been the prevailing theory regarding the origin of life. The…

Q: Why do biologists construct ‘a tree of life’?

A: The “tree of life” is basically a metaphor used to designate the evolutionary tree or diagram of the…

Q: What Have I Learned So Far? Write True if the statement is true. If false, change the underlined…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Abiogenesis