Which of the following is a molecule but not a compound? H2O C6H12O6 N2 H2O2 The

Question

Which of the following is a molecule but not a compound? H2O C6H12O6 N2 H2O2 The identity of an element is determined by its: Atomic number Mass number Electron number The number of protons and electrons Which of the following bonds form between amino acids? Peptide bond Phosphodiester bond Ribose linkage Glycosidic linkages The first law of thermodynamics states that _______. energy is neither created nor destroyed Entropy increases Energy conversion results in a loss of usable energy in form of heat Energy cannot be changed from one form to another without a loss of useable energy All energy transformations lead to an Increase in amount of disorganisation Isotopes of an element differ in: The number of protons Number of neurons Atomic number Number of electrons No. the answer is not here In a hydrolysis reaction, ______. In this process, water is ___________. monomers bond to form a polymer .. produced monomers bond to form a polymer .. consumed a polymer breaks up to form monomers .. produced monomers are assembled to produce a polymer .. consumed What is the process by which cells link monomers together to form polymers? Dehydration reaction Polymerization reaction Condensation reaction Monomerization reactions More than one is correct Which of the following it a monosaccharide? Glucose Sucrose Cellulose Cellulose Chitin Cholesterol belongs to which class of molecules? Protein lipids Carbohydrates Nucleic acids Energy is defined as: Ability to import particles into the cell The capacity to do work Ability to run Ability to remove particles out of the cell More than one is correct Which of the following in regards to electrostatic interactions is incorrect They form noncovalent bonds between enzyme and ligand They form covalent bonds between enzyme and substrate These interactions are the strongest in aqueous environment Bonds form through positive and negative interactions More than one seems to be correct Hydrophobic interactions occur in: The plasma membrane Protein structure None are correct Proteins of plasma membrane All are correct

Explanation / Answer

Answer of the following Question

Question11 answer is C N2

N2 is diatomic a molecule, it is composed of two covalently bonded atoms, but it is not a compound because the compound is the chemical bonding of two or more different elements.

Question 12 Answer A -Atomic number

The identity of an element is determined by the total number of protons present in the nucleus of an atom contained in that particular element.

An atom's total number of protons, commonly denoted by the capital letter "Z," is the primary basis for determining a chemical element's identity. An atom with one proton is identified as hydrogen, six protons are carbon, 29 protons is copper, 79 protons are gold and 82 protons is lead.Two atoms of the same element can have the same atomic number but vary in mass number. All carbon atoms have six protons, but some have 6 neutrons, 7 neutrons or 8 neutrons, and these atoms of the same element are called isotopes.

Question 13 Answer A Peptide bond

CO-NH bond is called a peptide bond, the Carbonyl group of one amino acid and the amino group of amino acid react and releasing a molecule of water (H2O).

Question 14 answer A

Energy can be converted from one form to another with the interaction of heat, work, and internal energy, but it cannot be created nor destroyed, under any circumstances.

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