3. Which of the following correctly the items form smallest (left) to largest (right) A. Cell atom,neutron,electron B. Electron,neutron,atom,cell C. Neutron,electron,atom,cell D. Atom,cell,electron.neutron

Q: 4. A salt solution consisting of 10.0% sodium chloride (salt) consists of how many parts per million…

A: Parts per million (ppm) is expressed as mg/Litre where 1 ppm means 1mg/litre. Hence if we dissolve 1…

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: 1. a) Fill in the blanks: a ____________ reaction is one that requires energy input, whereas a…

A: Cellular metabolism is the set of chemical reactions that occur in living organisms in order to…

Q: A substance that affect the rate of the reaction without being consumed Select one: a. enzymes b.…

A: The study of chemical reactions catalysed by enzymes is known as enzyme kinetics. Enzymes, which act…

Q: Chemical reactions in living organismsa. require energy to begin.b. usually require a catalyst to…

A: Chemical reaction is a process in which one or more substances, the reactants are converted to one…

Q: 51 find the connection among the words below and choose the letter of the word which is different…

A: Introduction Stains are coloured substance which gives colour to a object to be observed under…

Q: 6. A slug can be killed by pouring salt onto it’s surface. Explain the science behind this…

A: Introduction :- Salt is a mineral comprised mostly of sodium chloride, a chemical component that…

Q: (3) A Celsius thermometer indicates a temperature of -40 °C. (a) What Fahrenheit and Kelvin…

A: 3  A Celsius temperature + 273.15. Your answer will be in Kelvin To convert temperatures in degrees…

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: n example of a liquid that has a pH less than 7, one that is neutral and one that is greater

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

Q: How would you scientifically define the three things that emerge in a chemical reaction?   2.…

A: Early chemists regarded substances isolated from organisms (plants and animals) as a different type…

Q: 9. What bonds are affected by: а. Нeat b. Organic solvents c. Metallic salts d. Alkaloidal reagents…

A: Proteins are composed of amino acids linked by peptide or amide bonds (covalent), which form the…

Q: A substance that increases the rate of a chemical reaction without itself being used up in the…

A: The rate of a chemical reaction is defined as the change in concentration over time. As it measures…

Q: 1. Which of the following is the hardest type of coal?

A: Coal is a combustile black or brownish black sedimentary rock. coal is mostly carbon compound with…

Q: 8) Biological catalysts involved in the acceleration of the rate of chemical reactions are called A)…

A: Metabolism refers to the sum of both anabolic and catabolic reactions. It refers to the…

Q: Which of the following is true of oxygen that has 8 protons, 8 neutrons, and 8 electrons?      A. It…

A: All the atoms are composed of three subatomic particles, electrons, protons and neutrons.

Q: 5-What are the two forms of energy used by living organisms?

A: The two forms of energy used by the living systems is the sunlight and inorganic chemical compounds.…

Q: 1. What do you think creates the unique shape of an enzyme?

A: Enzymes are the biocatalyst that increases the rate of a reaction. These enzymes are specific for…

Q: 3. Describe the relationship between substrate and the product. What happens when you increase the…

A: A chemical reaction is a process that converts one or more substances into another substance.…

Q: the question is in the picture

A: The false statement is that ∆G is negative. The Gibbs free energy is the amount of usable energy…

Q: by some type of radiation? Explain step by step with diagrams, physics, chemistry and biology

A: Free radicals are molecules with unpaired electrons. If they are formed and are not removed inside…

Q: 5. Play with the simulation to discover which particles affect the charge of an atom c a) Fill in…

A: Atom is the smallest unit of any matter. It is consist of three sub particles namely electron,…

Q: 1. What is the name and chemical reaction that occurs near the hydrothermal

A: Hydrothermal vents are the results of seawater percolating down through fissures within the ocean…

Q: 4) Which of the following molecules contains the most oxidized form of carbon? A) acetaldehyde B)…

A: The oxidation state can be defined as the total number of electrons that an atom either gains or…

Q: Changing State 1. How many states of matter are often found on Earth?2oletogsv A) Two ol virooib…

A: States of matter wre different forms in which matter can exist. All particles possess energy.…

Q: Ionizing radiation like removes from atoms.a. UV, protons b. X-rays, the charge c. gamma rays,…

A: Ionizing radiation is a type of energy released by atoms that travels in the form of electromagnetic…

Q: The process by which monomers of organic molecules are made into larger units

A: Macromolecules such as carbohydrates, protein , lipids and carbohydrates are made up of…

Q: 27) A biological tissue of mass m is exposed to 60 rad of alpha radiation. How many rads of slow…

A: A "nucleic acid" is a linear polymer of nucleotides that is a component of the cell's information…

Q: 2. Match the macromolecule to the correct function. Gives direction for protein synthesis A.…

A: For the proper functioning and growth of the body essential elements and minerals are required.…

Q: 2- Complete the table about chemicals in a chemical reaction. definition example reactants products

A: Defination Of Reactions :  Substances that participate in a chemical response are called reactants .…

Q: What is an organic molecule? A.) A molecule that contains both carbon and hydrogen. B.) A molecule…

A: The organic compounds include a variety of solid, liquid, and gaseous molecules that consist of one…

Q: 13) Which of the following statements is TRUE? Carbon, hydrogen, oxygen, and calcium are the most…

A: All the living organisms are made from the elements such as carbon, hydrogen oxygen, calcium,…

Q: 1. What are the effects CCl 4 solvents when mixed with lipids? 2. Explain enzyme hydrolysis.

A: Carbon tetrachloride (CCl4) binds to triacylglycerols and phospholipids throughout subcellular…

Q: 3. You do a paper chromatography experiment using the same conditions as outlined in the simulation.…

A: Chromatography is a technique of separation of different component present in a given sample.

Q: 1. Which of the picture above are temporary? 2. In which the changes did the original matter undergo…

A: Since you have posted a question with multi- sub parts , we will solve first three sub-parts for…

Q: 2. Two classes of organic compounds typically provide energy for organisms. Representatives of these…

A: Biomolecules refer to carbon- based organic compound that are produced by a living organism. These…

Q: 6. An organic substance bound to an enzyme and essential for its cavity is called: a. Coenzyme b.…

A: The non-protein factors that are necessary for activity of some enzymes are called cofactors.

Q: Specify whether each condition would result in increasing or decreasing acidity by dragging each…

A: Increasing acidity means that there will be more hydrogen ions and less hydroxyl ions.Decreasing…

Q: 1. What is the picture showing to us? Why did you say so? 2. Which instrument or device was used to…

A: Option ( 1)-- the picture is showing isotopic radioactive iodine test of thyroid by thyroid scan .…

Q: 2. In orange juice which of these is the solvent? O Water O orange juice concentrate O sugar alcohol

A: The solute is the substance which gets dissolved where as the solvent is the substance in which the…

Q: 1. Explain the X-ray spectrum given in the figure below. Kaz liigu 80 90 Relative output 0 10 20 30…

A: Introduction An X-ray, also known as X-radiation, is a type of high-energy electromagnetic radiation…

Q: 9. Determine the correct terminology for each word. * O A. Oxidation - gains of electrons; Reduction…

A: INTRODUCTION Oxidation is the loss of electron in a chemical reaction and reduction is the gaining…

Q: 1. Which of the following is the most abundant element in the human body? A) nitrogen B) carbon С)…

A: The correct option is (C) Oxygen.

Q: 1. Use the following list of terms and connectors to fill in the boxes on the blank Light Reactions…

A: Photosynthesis is the photochemical process in which light energy is converted into chemical energy…

Q: 1.A student carries out a Benedict's test on an unknown solution. The reaction mixture remains blue…

A: Benedict’s test is used to determine whether a substance contains simple carbohydrates. Anhydrous…

Q: 3. High energy radiation ejects the electrons in an atom causing free radicals. Which are examples…

A: High energy radiations are part of the spectrum with high frequency, low wavelength and high energy.…

Q: 6. Organisms that cannot produce their own food and must eat other organisms for energy are called…

A: Photosynthesis is the process by which green plants utilize solar energy and convert it into…