Smart book assignment chapter2
Name the type of bond that holds amino acids together in a protein molecule
Peptide bond
Name the type of bond that holds amino acids together in a protein molecule
Peptide bonds
A___ is a lipid that consist of two hydrophobic fatty acid tails and a Hydrophilic phosphate head
Phospholipid
Which of the following molecules are the major component of the plasma membrane
Phospholipids
Which type of fatty acid has two or more double bonds within its carbon chain?
Poly unsaturated
Disaccharides can be broken down into___
monosaccharides
Triglycerides are also called
neutral fats
A hydrophobic organic compound composed mainly of carbon and a high ratio of hydrogen to oxygen is a___ Examples include fatty acids bad phospholipid steroids and prostaglandins
Lipid
A molecule with the chemical formula C 57 H 11006 is an example of which type of organic molecule?
Lipid
Hydrophobic Organic molecules such as fatty acids fats steroids and prostaglandins are Classified as what type of molecule?
Lipid
The ___ Structure of a protein is its amino acid sequence
primary
In general a process that involves the formation or breakdown of molecules is called a chemical___
Reaction
Which of the following is a definition of energy?
The capacity to do work
Which of the following is another term for enzyme?
Bio logical catalyst
Hydrogen has an atomic weight of 1amu and oxygen has an atomic weight of 16amu. What is the molecular weight of water H2O?
18amu
Which of the following best describes a glycolipid
A phospholipid molecule covalently bonded to a carbohydrate
Element
A pure chemical substance thatConsist of one type of Adam is called a(n)
Ion
A(n) ___ Is an atom or molecule that has gained or lost electrons
Molecules
A(n) ___Is composed of two or more atoms that are held together by chemical bonds
A proton(H+) donor, or a chemical that releases protons into solution is a___
Acid
Which term refers to the energy needed to get a chemical reaction started
Activation energy
The substrate binding site of an enzyme is known as the___ Site
Active
The energy molecule that is produced by cellular respiration and used in metabolic reaction is
Adenosine triphosphate
Which of the following are the Monomeric Subunits that make up a protein?
Amino acid
Peptide bonds are used to join two of these together
Amino acids
What is an ion?
An atom that has gained or lost electrons
Metabolic reactions that use energy and build more complex molecules from less complex molecules are considered which type of reaction?
Anabolic
Metabolic reactions that use energy to build more complex molecules from less complex molecules are considered which type of reaction?
Anabolic
The body's most important energy transfer molecule is
Atp
Which is an example of a nucleotide
Atp
The term animalism specifically applies to metabolic reactions that do which of the following?
Build large molecules from small molecules
The___ Family of macromolecules are composed of carbon hydrogen and oxygen in a one to one ratio and include sugars starches glycogen and cellulose
Carbohydrate
monosaccharides, disaccharides, polysaccharides Are all examples of which type of macromolecule?
Carbohydrates
Which type of reaction is always exergonic?
Catabolic
An enzyme associated with its substance is referred to as an enzyme substrate___
Complex
Which term can apply to a molecule composed of two or more different elements?
Compound
They have different numbers of neutrons
Deuterium and tritium Are isotopes of hydrogen. What is different about them?
A carbohydrate composed of two covalently bonded simple sugars monosaccharides is called a
Dissaccharide
An input of___Is required for a system to perform work
Energy
A ___Is a protein that functions as a biological catalysts
Enzyme
Which term is used to describe the structure formed by the combining of the enzyme and it's a specific substrate?
Enzyme substrate complex
What if I do enzymes have on the activation energy of a chemical reaction in the body?
Enzymes lower the activation energy
Catabolic reactions release energy. Because of this, they can be classified as which of the following?
Exergonic
True or false saturated fatty acids contain one or more double bonds
False
True or false unsaturated fatty acids do not have double bonds
False
A molecule consisting of a carbon chain with 4 to24 Carbon's with a methyl group on one end and a carboxyl Group on the opposite end is which of the following
Fatty acid
Choose the lipids in the list below
Fatty acids, steroids, triglycerides, phospholipids,eicosanoids
Which is a hydrophobic substance?
Fatz
Groups of atoms that are added to Carbon back home and I give organic molecules a variety of unique properties are generally known as__Groups_
Functional
Which of the following terms refers to a common arrangement of Adams that give organic molecules their unique properties?
Functional groups
Name the monosaccharide (C6H12O6),Also known as blood sugar
Glucose
Which is a monosaccharide that provides energy to most body cells?
Glucose
A glucose polymer synthesized by liver muscle uterine and vagina cells that serves as an energy storage polysaccharide is a___Molecule
Glycogen
Identify the polysaccharide used for energy storage in animals
Glycogen
A___ is a phospholipid Molecule with a carbohydrate covalently bonded to it. It can be found in the plasma membrane's of cells.
Glycolipid
What term can be used to describe any molecule that is non-polar and does not dissolve in water
Hydrophobic
Where is a neutron located?
In the nucleus of an atom
To a certain point increasing the concentration of reactants in a solution will___ The rate of the reaction
Increases
Which of the following will in general increase the rate of reaction?
Increasing concentration of reactions, increasing temperature
An atom that has gained or lost electrons
Ion
Biochemistry
Is the study of the molecules and chemical reactions that occur In living cells
Adams of the same element the differ only in the number of neutrons are known as____
Isotopes
Which are true regarding metabolism?
It includes reactions were molecules are broken down, it can be defined as the sum of all of the chemical reactions in the body, it includes reactions were new molecules are synthesized
Any molecule of a larger size and high molecular weight such as a proton or starch is known as a
Macromolecule
Molecules like carbohydrates, proteins, nucleic acid are examples of____ because they are made up of many repeating subunits
Macromolecules
The term___ Refers to the sum of all the chemical reactions in the body
Metabolism
A ___ consists of substances that are physically blended but not chemically bond
Mixture
Salt on a watermelon is an example of a___
Mixture
The number of molecules of a chemical that is equal to its molecular weight in grams is a ___
Mole
Adding together the atomic weight of all atoms in a molecule gives a value known as its___ Weight
Molecular
An ___Is composed of two or more atoms that are held together by chemical bonds
Molecule
Which of the terms below can be applied to glucose(C6H12O6)
Molecule, compound
Which of the following would give you the molarity of a solution?
Moles/liters
Which term is used to refer to simple sugar or sugar monomer?
Monosaccharide
Which term is used to referred to a simple sugar or sugar monomer?
Monosaccharide
Which organic molecules are composed of a nitrogenous base, a monosaccharide, and a phosphate group?
Nucleotide
Name the level of protein structure that is determined by the amino acid sequence of the protein
Primary
Amino acids are the subunits of larger molecules called
Proteins
Name the family of macromolecules that plays a role in cell structure, communication, membrane transport, catalyst, recognition and protection, movement, and so adhesion
Proteins
Polypeptides over 100 amino acids long are generally classified as which of the following?
Proteins
Which of the following best defines an acid?
Proton donor
Which three functional groups are part of the basic structure of every amino acid
Radical r group amino group Carboxyl group
A fatty acid contains the maximum number of hydrogen possible it is
Saturated
A fatty acid contains the maximum number of hydrogen possible. It is___
Saturated
Which are classifications of fatty acids?
Saturated and unsaturated
The ___Level of protein structure is determined by the folding of the protein do to hydrogen bonding between amino acids to form alpha helices beta pleated sheets
Secindary
In a solution the more abundant substance that dissolves another substance is known as what?
Solvent
Salt water is a solution of NaCl dissolved in water. In this example NaCl Is the solute and water is the
Solvent
Which of the following is the only plant polysaccharide that humans can digest
Starch
___Is an energy storage polysaccharide in plants
Starch
Keratin and collagen or types of__ Protein
Structural
A___Is the substance that an enzyme acts upon
Substrate
True or false a chemical reaction is a process in which a covalent or ionic bond is broken or formed
True
True or false a molecule may be composed of one element or more than one element
True
True or false formation of ethanol triphosphate from I don't know diphosphate and an inorganic phosphate molecule requires the input of energy
True
Disaccharides are composed of how many covalently bonded simple sugars?
Two
How many double covalent bonds are in the carbon chain of a poly unsaturated fatty acid
Two or more
What is the active site of an enzyme?
Where is binds in substrate
Neutron
Which is an uncharged particle found in the nucleus of an atom?
Element
Which term defines the simplest form of matter to have unique chemical properties
Which molecule combines with an inorganic phosphate to form ATP?
adenosine diphosphate
A lipid composed of three fatty acids joined to a glycerol is a
triglyceride
