Carbons is used in cells for  a) forming the charge across the membrane by serving a positive cations b) as the structural backbone of most molecules c) forming the second most common element  D) none of these

Q: Kate explains to Lisa the reason proteins have a globular shape in water. Which of the following is…

A: Protein molecules have a hydrophobic component and a hydrophillic component. The hydrophillic…

Q: What type of molecule is shown here? Give its biological importance?

A: The term element is associated with the pure chemical substance comprising a single atom form. An…

Q: Gd(III) needs to be strongly chelated when used in medical imaging applications because the free ion…

A: Gadolinium (Gd) is a silvery white metal. Gd (III) is useful in medical imaging purposes, in NMR…

Q: List the four types of atoms abundant in our body?

A: The chemical molecules inside the cell of living things are called biomolecules. The important…

Q: How many times larger is the number of hydrogen atoms than oxygen atoms in a molecule of glucose?

A: Carbohydrates can be defined as polyhydroxy aldehydes or ketones or compounds which yield these…

Q: Would you expect lipids to be soluble or insoluble in each of the following solvents? a.…

A: Lipids are molecules that contain hydrocarbons and make up of the building blocks of the structure…

Q: What atoms must be present in a molecule for it to be consideredorganic?

A: There are two types of molecules- Organic and inorganic.

Q: What is the biological importance of the four biological molecules?

A: The four biomolecules are proteins, carbohydrates , lipids and nucleic acids. Each of the four…

Q: Which of the following macromolecules is represented in the picture? * Lauric Acid A fatty acid…

A: Biomolecules are the molecules have important structural as functional role in our body.  1.…

Q: What makes the electron structure of carbon so flexible in making different biomolecules?

A: Nearly all of the biomolecules in a cell are carbon compounds, which accounts for more than 50% of…

Q: List and define four types of chemical bonds.

A: The elements interaction with other elements depends on the how the electrons are arranged in the…

Q: What type of bond within a molecule holds the atoms of the molecule together?

A: INTRODUCTION Covalent bond Whenever there is an equal share of electrons between the atoms, covalent…

Q: Identify two types of macromolecules in which hydrogenbonds are important parts of the structure.

A: Introduction: Those molecules that structure and perform various functions in the living body are…

Q: What type of bonding is present in the primary structure of proteins? A. peptide bond B. hydrogen…

A: Protein is a biomolecule that is composed of amino acids. Proteins are major building blocks of all…

Q: On what basis are elements divided into macroelements and trace elements?

A: Living organisms needs elements/ minerals in order to proper growth and nutrition. These are called…

Q: Is hydrogen bonding covalent or noncovalent?

A: A hydrogen bond is an intermolecular force (IMF) that forms a special type of dipole-dipole…

Q: What is the structure and purpose of a phospholipid?

A: Phospholipids are a category of lipid and they are the most important component of all the plasma…

Q: To which of the three classes of organic compounds (carbohydrates, lipids, or protein) does the…

A: Organic compounds are compounds that contain carbon. These are macromolecules found in our bodies.

Q: Which of the following creates peptide bonds?

A: Peptide bonds are covalent bonds and is responsible for linking amino acids and forming polypeptide…

Q: Why are hydrogen bonds relatively weak?

A: Chemical bonding refers to the formation of a bond between the two or more atoms, molecules, or ions…

Q: Peptide bonds occur in which type of biochemical compounds? a) lipids b) carbohydrates c) proteins…

A: The correct option is (c) proteins.

Q: Of what units are nucleic acids constituted? What are the chemical entities that compose that unit?

A: The Nucleic acid can be defined as a naturally occurring chemical compound that has the tendency to…

Q: Define saturated chains.

A: Fatty acids are the building blocks of the fat in our body. During digestion, fats are broken down…

Q: Why do cell membranes contain cholesterol?

A: All the prokaryotic and eukaryotic cells are enclosed by an elastic, thin covering called cell…

Q: Define the role of phospholipid ?

A: Phospholipids, otherwise called phosphatides, are a class of lipids whose particle has a hydrophilic…

Q: Define the term disulfide bonds?

A: The molecules and atoms are attached together to form a bond. The bond is essential in maintaining…

Q: What intermolecular forces stabilize a lipid bilayer?

A: The basic structure of the plasma membrane is the phospholipid bilayer. This bilayer is composed of…

Q: Define macromolecule, polymer, and monomer.

A: An atom can be defined as the smallest component unit of matter which comprises a chemical element.…

Q: Name four types of macromolecule in our body and their monomers?

A: Macromolecules are large molecules which are formed from the simple monomers which are connected…

Q: How would the properties of the various classes of biological molecules be altered if you were to…

A: The molecules and ions present in the organisms called biomolecules. They are essential for cell…

Q: Why are hydrogen bonds so important in biological systems, considering that they are so weak?

A: A hydrogen bond is a bond between an individual hydrogen atom and another atom with higher…

Q: each

A: There are three main  types of chemical bonds :they are 1. Covalent bonds 2 .Ionic bonds  3.Metallic…

Q: How are the same atoms found in amino acids and other large carbon-based molecules?

A: Hydrocarbons consist of organic compounds of hydrogen and carbon that is the base of many biological…

Q: What type of reaction joins two amino acids together? What other types of organic molecules rely on…

A: The type of reaction that joins two amino acids together is condensation reaction or dehydration…

Q: What constitutes the backbone of a nucleic acid?

A: Introduction: A nucleic acid is a biological large molecule composed of nucleotide chains. These…

Q: What is the difference between a sphingolipid and a glycosphingolipid? Chemically and functionally?

A: Lipids vary extraordinarily from different gatherings of biomolecules considered up to this point.…

Q: A pentose sugar is a part of the monomer used to build which type of macromolecule?

A: Monomers of various length linked together to form polymers. Pentose sugar contains 5 carbon atoms.

Q: what is bio molecule?

A: The biological level of an organization is a hierarchy that represents the arrangement of living…

Q: What is the chemical mechanism by which cells make polymers from monomers? A. Phosphodiester…

A: The repeating monomer units undergo a polymerization reaction to form a long chain of polymers. The…

Q: HHHH HHHHH с-с-с-с-с-с-с-с-с-с-н HHHHH H H Using the graphic above, answer the following question.…

A: Biochemistry is a branch of science that deals with the study of chemical processes related to the…

Q: DNA and RNA are examples of which FAMILY of BIOLOGICAL MACROMOLECULES? What are the five specific…

A: Biomacromolecules are large-sized complex chemicals with low solubility and complex conformation.…

Q: Describe the building blocks, general structure, and biological functions of lipids.

A: Every living organism consists of biomolecules (carbohydrates, Lipids, Proteins, Nucleic acids) that…

Q: Define nucleic acid?

A: Nucleic acid or the DNA molecule which plays an essential role in all organisms that are considered…

Q: In one sentence each, how are the following bonds formed and broken in biomolecules? a)  ester…

A: There are many types of covalent bond common in biomolecules. C-C bonds are basic to all organic…

Q: Why are biological macromolecules considered organic?

A: Large molecules required for life are known as biological macromolecules. Proteins, Lipids,…

Q: What type of lipid is the following compound? нннннннн С-с-с-с-с-с-с-с-с ! !!!! ! ! OH A) steroid B)…

A: Fatty acids are the simplest form of lipids and serve as constituents in a large number of complex…

Q: What happens when water encounters a glycosidic bond?

A: The covalent bond is an interatomic linkage that effects from the electron pair sharing between two…

Q: Lipids serve as all of the following except

A: Lipids are molecules that contain hydrocarbons and make up the building blocks of the structure and…