1. Why is carbon so important in biology? (LS1-6) * It is a common element on Earth. O It has very little electronegativity, making it a good electron donor. O It bonds to only a few other elements. O It can form a variety of carbon skeletons including chains and rings.

Q: 4. The following rules on aromaticity promotes a planar structure of nitrogenous bases EXCEPT: A.…

A: DNA and RNA are nucleic acids composed of a nitrogenous base, sugar molecule, and phosphate groups.…

Q: un an electron-dot symbol of an element, the dots are O only the electrons that will participate in…

A: all atoms have electrons , electrons take part in bond formation . the lewis dot struture is a…

Q: Oe 2. An atom has 25 protons, 30 neutrons, and 25 electrons. What is the charge of the atom's…

A:

Q: 2. Which of the following atoms can be found in every macromolecule (Select all that apply) (LS1-6)…

A: Each small organic molecule can form large molecule called macromolecule. There are four major…

Q: Which of the following is a hypothesis? A)   A thick long bone (i.e. femur) should be able to…

A: Bones are tissues that form the skeletal structure. They are a living and growing tissue that give…

Q: Most vegetable oils are: O 1. liquid at room temperature and saturated O 2. unsaturated and solid at…

A: Vegetable oils are a type of triglycerides in which the glycerol is esterified with three fatty…

Q: 6. You are investigating the contents of three weird aliens. You want to see which biomolecules the…

A: Introduction Biomolecules are substances that are naturally produced by living cells. Mainly there…

Q: 12. Which of the following molecules contains the most oxidized form of carbon? A) acetaldehyde B)…

A: The oxidized state is considered as the degree of loss of electron (oxidation).

Q: Why are hydrocarbons insoluble in water? O They are lighter than water. O They are hydrophilic. The…

A: Hydrocarbons are organic molecules are made up of hydrogen and carbon. The long chains of carbon are…

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: ОН O= c–CH,OH НО H OH

A: Vitamin C is also known as ascorbic acid. Vitamin C is a water-soluble compound. Vitamin C helps to…

Q: can you help me step by step?

A: Carbon is placed in Group IV. It has 4 outer electrons, and so, needs to form 4 bonds. Since carbon…

Q: What are typical characteristics of organic molecules in living organisms? O Neither O Carbon atoms…

A: Organic molecules in living organisms are usually larger and more complex than inorganic molecules.…

Q: Like oxygen sulfur forms to covalent bonds. However sulfur is far less electronegative. In fact it…

A: A biomolecule is defined as the molecule and ions present in organisms. Biological molecules are…

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: 1- The electron geometry of carbon dioxide is . . 2- The bond angle of methane with tetrahedral…

A: 1. The electron geometry of carbon dioxide is Linear Explanation: Carbon dioxide has two electron…

Q: 2. Carbohydrates have chemical bonds that are a good source of energy for living things. A…

A: Carbohydrates are majorly consumed and are considered as a good source of energy.

Q: Part 2: Classify each molecule as and S or R enantiomer. Show your work tor wr H2N (1) Но н OH CH3…

A: Enantiomers have the chiral atom but are the mirror images for each other. These molecules are…

Q: 2. Carbon is the main molecule in all biological systems for all of the following reasons except…

A: Carbon has two characteristics: tetravalency and catenation. Both these features help in giving rise…

Q: CH3 me Left VVilaL Lype oI ISOmer is snown belUW: CHBR, CH, c=C C=C H. H. CHBR, H. cis-trans these…

A: First, let's discuss the term isomer. The isomers are the compounds which have same molecular…

Q: 3. What is the name of the molecule in the circled regien labelled M (be specific)? How do you know?…

A: Q5. DNA is composed of nucleotides, which are phosphate, sugar, and nitrogen base complexes. Bases…

Q: Which of these is not a characteristic of carbon?   Select one: A.  Can form long chains B.…

A: Ans: D Is sometimes ionic

Q: Each carbon atom can bond with as many as-_________ other atom(s). a. one c. three b. two d. four

A: Bonds play a vital role in various biochemical interactions. There are 4 major types of bonds.…

Q: Which of the following statement is false? * Hydrocarbons contains hydrogen and carbon atoms…

A: Hydrocarbons are organic compounds and mainly used as combustible fuel source.

Q: 1. In order for water to become a vapor, there must be sufficient heat energy to break its covalent…

A: According to our guideline we can answer only the first three subparts of the question. So, upload…

Q: 13. ich of the following bonds share electrons? A. Ionic bonds B Covalent bonds C. All of the above…

A: Different biomolecules are formed due to the formation of chemical bonds. A chemical bond is an…

Q: 1. Explain what the "reactants" are in a chemical reaction. 2. What does the "arrow" of a chemical…

A: 1) Explain what the reactants are in a chemical reaction Reactants are the chemical substances that…

Q: 9. Which of the following changes to a chemical reaction will make it go faster? Select all that…

A: Biochemical reaction depends on many parameter. Many aspects increase or decrease the biochemical…

Q: The molecules for fossil fuels like gasoline, diesel, and natural gas are made only of carbon and…

A: A term different than that of the IUPAC name that is commonly used in trade, rules, and codes to…

Q: 2. Which of the following molecules contain beta glycosidic linkage? A. Amylose B. Glycogen C.…

A: Cellulose is a structural polysaccharide in plants. It is made up of glucose monomers.

Q: 3. How many atoms can hydrogen bond with? Oxygen? Carbon?

A: Hydrogen bond forms when an atom with a "partial negative charge" (δ−) attracts an atom with a…

Q: Carbon atoms are capable of forming single, double, and triple bonds because carbon is looking for…

A: Valence shell The valence shell is the set of orbitals that can accept electrons to form chemical…

Q: At room temperature, all of the elements in group 18 (the noble gases) Are very reactive. Are not…

A: In the periodic table, group 18 is occupied by the noble gases. These are six in number and are…

Q: Carbon is able to form an immense diversity of organic molecules because of carbon's O tendency to…

A: Proteins, nucleic acids (RNA and DNA), carbohydrates, and lipids are among the numerous complex…

Q: 7. Would this atom most likely take part in forming ionic or covalent bonds? Why? 9. Both H,O2 and…

A: The outermost shell in an atom is known as its valence shell. The electrons in the valence shell are…

Q: Complex carbohydrates are starches that your body can convert to glucose, a type of sugar. Simple…

A: It is given that Maria eats 2 oranges. She gets 25 grams of glucose from it to produce energy. The…

Q: Which one of the following statements about a molecule of acetonitrile (CH,CN) is TRUE? Select one:…

A: Chemical bonds are simply electrostatic attractive forces between atoms. There are mainly 3 types of…

Q: 1. Draw a circle around and give the name of each functional group in the following twomolecules.…

A: A functional group of a compound is an atom or a group of atoms placed in a certain way that tends…

Q: 2. When trying to identify an unknown element, a scientist determines what other elements the…

A: INTRODUCTION The number of protons in the nucleus determines which element an atom is, while the…

Q: Bonds between like/similar atoms (e.g. as in H2) are always: a. polar covalent bonds b. ionic bonds…

A: The correct option is d no polar covalent bond

Q: 1. Abundant trans bonds make partially hydrogenated vegetable oil a very unhealthy food choice.…

A: process of  hydrogenated vegetable oil Oils (such as vegetables, olive, sunflower) are liquids at…

Q: The carbon labeled in the structure below is the 3' carbon, and the carbon labeled is the 5' carbon.…

A: Nucleic acids are a macromolecule that carries the genetic information of living organisms. It is…

Q: Peptide bonds O"chemically, are amide bonds" "chemically, are amine bonds" are formed from reaction…

A: A peptide bond is a covalent bond formed between two amino acids where the alpha-amino group of one…

Q: C. OH `N'

A: The given compound in the question is niacin or nicotinic acid which is also known as vitamin B3.…

Q: 8. The atomic number of Nitrogen is 7 and its atomic weight (mass) is 14. How many covalent bonds…

A: A chemical bond or molecular bond in which pairs of electrons are shared between two atoms is…

Q: How could you describe the changes that happen when carbon changes form from graphite to diamond? Ot…

A: Graphite is soft and is composed of carbon atoms arranged in layers of 6 membered hexagonal rings.…

Q: 1. The partial negative charge at one end of a water molecule is attracted to the partial positive…

A: Hydrogen bonds is a non-covalent interaction in which are formed between an electronegative atom and…

Q: 5. Give the molecular formula of the functional group that is missing. H H,N-C-? R a. NH+ b. CH3 с.…

A: First, we will analyze the given structure and decide which can be the functional group. There is an…