Imagine that scientists have found traces of liquid water on the surface of Mars. Could this discovery be indicative of the possible existence of life on the planet? Explain the role liquid water plays in sustaining life.

Q: Which class of biological molecules has the most diverse functions, including transport, structure,…

A: Protein is the biomolecules that has the most diverse functions, including transport, structure,…

Q: Stanley Miller and Harold Urey performed an experiment by recreating in the laboratory the probable…

A: Since you have posted a question with multiple sub-parts, we solve the first sub-part for you. To…

Q: Why is water considered the universal solvent? A:Water molecules are weakly bonded to other water…

A: Biomolecules are those organic compounds that are made up of carbon and hydrogen with some other…

Q: Which of the following elements is or are common to both lipids and proteins? A. Carbon only B.…

A: A macromolecule is an enormous particle, like a protein. They are made out of thousands of…

Q: From the different types of monomeric building blocks of life which category is not covalently…

A: A covalent bond or molecular bond is a chemical link between two atoms where electron pairs are…

Q: Are the atoms and basic molecules that compose living things different from the molecules that make…

A: Atom is considered the smallest unit of all matters, which includes solid-liquid and gases. On a…

Q: Hydrogen bonding between water molecules results in a. submersion. b. adhesion. c.…

A: Introduction: Water molecule is composed of two hydrogen atoms and one oxygen atom. The two hydrogen…

Q: A) B) A. Name specific structure "A" B. Name specific structure "B"

A: Fishes are the organisms which live inside the water some live in oceans and some live-in fresh…

Q: Explain why two atoms of hydrogen tend to combine into a molecule of hydrogen gas (H2).

A: The fact that hydrogen exists as dihydrogen, H2, instead of H indicates that the mixture of 2…

Q: The Miller-Urey experiment used a closed system containing simple gases like ammonia, methane and…

A: The Miller-Urey experiment was performed by Stanley Miller and Harold Urey. This experiment…

Q: Analyzing the Elements of a Scientific Method Read the following story and then answer the…

A: Answer:-  5. The problem described sentence is when the scientific examine both beaker but he found…

Q: Radioactivity is a phenomenon of the spontaneous emission of: A. protons (alpha particles)…

A: Radioactivity is the physical process of spontaneous atomic nucleic transformations. Mother, or…

Q: 1.8 1.9 Stanley Miller mixed hydrogen, methane, ammonia, and water in a reaction chamber that…

A: The earth our planet is some 4.5 billion years ago formed. Scientists believed that when the sun…

Q: Draw a hydrogen bond between two water molecules.

A: Water is an essential molecule for all the living being the human body is made up of 70 % water. The…

Q: Choose the combination of answers that most accurately completes the statement.Ionizing radiation…

A: Radiation can be broken into two broad categories: Non-ionizing, which possesses sufficient energy…

Q: What might be the impact to the environment if water molecules losses its polarity

A: Water, which is chemically represented as H2O, is made up of hydrogen and oxygen. Water can exist in…

Q: Explain why water forms nearly spherical droplets on the surface of a freshly waxed car. Why doesn’t…

A: Water is considered as a polar solvent, which is hydrophilic in nature. Due to its hydrophilic…

Q: Explain why scientists feel that the first macromolecules to form were RNA rather than protein.

A: The three major processes of the central dogma of life include the following: DNA replication…

Q: What naturally occurring elements might have spurred the first reactions that led to life?

A: The life on earth began at least 3.8 billion years ago. Life is generally has three functions-…

Q: Why does salt melt ice? O a it lowers the freezing point of water O b it heats up the ice O c it…

A: Normally water freezes at 0°C to form ice.This is the normal freezing point of ice. Upon additon of…

Q: Why is biochemistry called the chemistry of life?

A: The question is all about the subject biochemistry that it is called as chemistry of life as our…

Q: The tendency for water molecules to want to stick together is referred to as

A: The tendency of water molecules to stick together is referred as COHESION. The water molecules form…

Q: Label the different types of phases shown in the picture

A: Mitosis Mitosis is the division phase of a cell cycle. In this phase of the cell cycle, the cell…

Q: Explain why water has a high specific heat. Hint: Think about hydrogen bonds and how temperature…

A: The quantity of energy necessary to raise the temperature of 1 g of any substance by 1oC is called…

Q: why cant human live without water? explain in scientific explanation

A: Water is the fundamental unit of life. The basic unit of life revolves around the availability of…

Q: Which would be necessary to keep the reactions of life going, if enzymes were not present? 1.…

A: Enzymes act as catalyst in all the life reactions. In this question, it is asked what would be…

Q: A ball of snow when rolled over snow increase in mass volume and size.is this comparable to growth…

A: Growth in biology refers to increase in size and changes in shape of a developing organism.…

Q: As water cools below 4°C, it expands and becomes less dense. Why is this beneficial to organisms…

A: A lake is an ecosystem that is a home for several animals, microorganisms, and plants.

Q: which liquid is most like water and would support human life?

A: Water is the necessity of all living beings as it is free flowing and provides life to all living…

Q: If water molecules are like magnets, why do you think frozen water molecules don't pull toward each…

A: A water molecule consists of two hydrogen atoms bonded to an oxygen atom,and its overall structure…

Q: Which statement best describes why there is a wide variety of organic molecules? The number of…

A: Organic molecules are those molecules that contain carbon. There are four organic molecules that are…

Q: water is the answer but can you explain why it is? In Miller’s original experiments on chemical…

A: ANSWER;- Water is known as a universal solvent because more substances dissolve in water than in any…

Q: Using appropriate examples, explain how hydrogen bonding givesrise to three properties of water that…

A: Hydrogen bond is able to form between neighboring hydrogen and oxygen atoms of adjacent water…

Q: Why is the discovery of liquid water on Mars important?

A: Almost all the water existing on the planet mars exists in the form of large ice cubes and some of…

Q: Which one is NOT TRUE for ice floating on water? a. The density of ice is less than water. b.…

A: Option d.)

Q: The cups shown at the right contain different amounts of water kept at different temperatures.…

A: Thermal energy is caused due to heat. Temperature is the measure of hotness of coldness of a…

Q: Multiple water molecules are held together by... A. Dehydration synthesis B. Covalent bonds C.…

A: Water is also known as universal solvent because of its ability to dissolve almost everything.  A…

Q: Describe the composition of a salt and explain the ways in which salts are important in organisms.

A: Salt is an important constituent for the human and animals. Salt plays numerous important…

Q: Discuss the biological significance of water to living organisms.

A: Water carries nutrients to all cells in our body and oxygen to our brain. Water allows the body to…

Q: Suppose you provided water with radioactive oxygen atoms to a plant. Into which kind of molecule…

A: If water with radioactive oxygen atoms is provided to a plant, the radioactivity would enter the…

Q: They counted the number of spatuals of sugar or salt added to the water until no more would…

A: A solution is generated when a solute is dissolved in a solvent. A solvent is a liquid that…

Q: Discussion in biological significance of water to living organisms

A: Water is one of the most important constituents of planet Earth. Water occupies two-third of our…

Q: Which statement best explains why the study of water is relevant to the study of living organisms?…

A: Water makes up 60-75% of physical body weight. A loss of simply four percent of total body water…

Q: Explain why water has a high specific heat. Hint: Think about hydrogen bonds and how temperature…

A: Hydrogen bonds are the interaction between hydrogen atom and electronegative atom like oxygen.…

Q: Which of the following organisms will have the highest bercentage of unsaturated phospholipids in…

A: Plasma membrane is a lipid bilayer made up of two layer of phospholipids. These phospholipids may be…

Q: Analyzing the Elements of a Scientific Method Read the following story and then answer the…

A: Scientific research is an process for seeking knowledge to test the hypothesis  by various…

Q: the structure of a soap molecule, use the concept of intermolecular forces to explain why we use…

A: Soap molecules has hydrophilic head and a hydrophobic tail, they are composed of long chains of…

Q: Name and explain four properties of water that support life.

A: All the living organisms are composed of 70% water. It is the most essential part of all living…

Microbes

Microbes are microscopic living organisms that can only be detected with the help of specialized laboratory equipment called a microscope. These living organisms are so small that they are not visible to the naked eye.