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An overview of various biological concepts related to the transport of substances across the plasma membrane, the structure and functions of proteins, and the roles of nucleic acids. Topics include hydrolysis, hydrophilic and hydrophobic proteins, membrane proteins, incomplete dominance, independent assortment, lipids, and primary types of chemical bonds. The document also covers the functions of proteins such as hemoglobin and collagen.
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______ in DNA and RNA can lead to error in proteins. - ansMutations 2 Types of nucleic acids: - ans1. DNA (deoxyribonucleic acid)2. RNA (ribonucleic acid)
3 Primary types of chemical bonds: - ans1. Covalent
Carbohydrate monomers tend to end in - ans-ose Carbohydrate stored in the liver - ansglycogen Carbohydrates that store energy - ansGlycogen (humans) Amylopectin and Amylose (plants) Carbohydrates used in cellular communication - ansGlycoprotein (immunity) &Glycolipids (cell membrane)
Centromere - ansArea where the chromatids of a chromosome are attached chitin - anscarbohydrate used by fungi to add structure to their cell wall and byinsects/anthropods in their exoskeleton
Chromatid - ansone of two identical "sister" parts of a duplicated chromosome joined at the centromere containing DNA + Protein. Codon - ansthree-nucleotide sequence on messenger RNA that codes for a single amino acid Combination Inheritance - ansDifferent alleles expressed at the same time (AB) Dehydration Synthesis - ansA chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule (endothermic)- how macromolecules form DNA - ansDeoxyribonucleic acid that has a double helix structure, deoxyribose sugarbackbone, phosphate group, and nitrogenous bases
DNA contains the sugar ____________, while RNA contains the sugar ___________. - ansdeoxyribose; ribose Endothermic Reaction - ansA reaction that ABSORBS energy in the form of heat Enzyme - ansProtein that increases reaction rate in the body Every monomer of nucleic acid contain 3 things: - ans1. sugar2. phosphate group
Monomers - anssmall molecular building blocks of polymers Muscle cells contain a lot of which organelle? - ansMitochondrion On a molecular level, lipids contain a lot of - anshydrogen and carbon Phospholipids - ansUsed by cells, particularly in cell membranes, to provide structure Plants use carbohydrates in the form of - anscellulose Polygenic Inheritance - ansAn additive effect of two or more genes on a single phenotypic character. Polypeptides - ansa polymer of amino acids joined together by peptide bonds. Process of creating mRNA from DNa - anstranscription Process of encoding proteins - ansTranslation Protein with hydrophobic ends that transport material in and out of the cell that is used in cellular communication - ansMembrane protein Purines - ansBases with a double-ring structure.Adenine and Guanine
Pyrimidines - anscytosine and thymine (uracil in RNA) RNA carries information from the nucleus to the _______ where proteins are made - ansribosome RNA is unstable under ____ conditions. - ansalkaline Simplest unit of a carbohydrate - ansmonosaccharide Simplest unit of a protein - ansamino acid Simplest unit of nucleic acids - ansnucleotide Smallest unit of a lipid - ansfatty acid The 2 major classes of proteins are - ansHormones and Enzymes The breakdown of macromolecules is what kind of reaction? - ansExothermic reaction called hydrolysis
The creation of macromolecules is what kind of reaction? - ansEndothermic reaction called dehydration The sugar found in DNA is more _________ than that of RNA's. - ansreduced This lipid bilayer has a hydrophilic phosphate group that points towards the aqueous environment: - ansphospholipid bilayer What characteristic of an element determines its specific isotope? - ansNeutron What does the pH scale measure? - ansthe concentration of hydrogen ions in a solution What does the rate of a chemical reaction depend on? - ans What is the bond between nitrogenous bases? - anshydrogen bonds What is the function of membrane proteins? - ans-transport substances across the plasma membrane as protein channels and carrier proteins-structure -body wide communication (immunity) What is the function of messenger RNA? - ansCarries information specifying amino acid sequences of proteins from DNA to ribosomes- translates the DNA's instructions tomake proteins
What is the ratio of carbon to hydrogen to oxygen in carbohydrates? - ans1:2: What makes the mitotic spindle? - ansmicrotubules When lipids are broken down, they release - ansEnergy Which macromolecule will always contain a nitrogen - ansProtein (NH2) Which nitrogenous base does uracil replace in DNA? - ansthymine Which nucleic acid regulates protein expression? - ansRNA Which organelle contains digestive enzymes? - ansLysosome Which organelle makes a ribosome? - ansNucleolus Which type of bond between the complementary bases of DNA stabilizes the double helix structure? - ansHydrogen bond Which type of bond connects monomers in carbohydrates and lipids? - ansCovalent (carbohydrates)
chitin - anscarbohydrate used by fungi to add structure to their cell wall and by insects/anthropods in their exoskeleton Chromatid - ansone of two identical "sister" parts of a duplicated chromosome joined at the centromere containing DNA + Protein. Codon - ansthree-nucleotide sequence on messenger RNA that codes for a single amino acid Combination Inheritance - ansDifferent alleles expressed at the same time (AB) Dehydration Synthesis - ansA chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule (endothermic)- how macromoleculesform
DNA - ansDeoxyribonucleic acid that has a double helix structure, deoxyribose sugar backbone, phosphate group, and nitrogenous bases DNA contains the sugar ____________, while RNA contains the sugar ___________. - ansdeoxyribose; ribose Endothermic Reaction - ansA reaction that ABSORBS energy in the form of heat Enzyme - ansProtein that increases reaction rate in the body Every monomer of nucleic acid contain 3 things: - ans1. sugar
Phenotype Characteristic or trait the person eventually hasObserved physically
Glucose - ansA very common carbohydrate monomer that exists as a hexose (meaning it has 6 carbons in it). Glycoprotein - ansA protein with one or more carbohydrates covalently attached to it, used by the human body for cellular recognition. Oligosaccharide with amino acids attached that attaches to a cell's lipid membrane in cellular recognition; antibody, immunoglobulin How are carbohydrates stored in the liver? - ansas glycogen How are hydrophobic proteins used in the body? - ansProvide structure; keratin & collagen How many amino acids exist? - ans Hydrolysis - ansa chemical reaction that adds water to a macromolecule in order to break its covalent bond; key component in digestion Hydrophilic proteins in the body are known as - ansGlobular proteins Hydrophobic proteins have a function of providing ________ & are found where? - ansstructure; keratin (hair and nails), and collagen (skin) Incomplete Dominance - ansCases in which one allele is not completely dominant overanother, in which the heterozygous organism expresses a third trait
Independent Assortment - ansthe random distribution of genes into gametes during meiosis Lipids do not mix with water, meaning they are - anshydrophobic Lipids have 2 important functions - ans1. Storing energy
The breakdown of macromolecules is what kind of reaction? - ansExothermic reaction called hydrolysis The creation of macromolecules is what kind of reaction? - ansEndothermic reaction called dehydration The sugar found in DNA is more _________ than that of RNA's. - ansreduced This lipid bilayer has a hydrophilic phosphate group that points towards the aqueous environment: - ansphospholipid bilayer What characteristic of an element determines its specific isotope? - ansNeutron What does the pH scale measure? - ansthe concentration of hydrogen ions in a solution What does the rate of a chemical reaction depend on? - ans What is the bond between nitrogenous bases? - anshydrogen bonds What is the function of membrane proteins? - ans-transport substances across the plasma membrane as protein channels and carrier proteins -structure -body wide communication (immunity) What is the function of messenger RNA? - ansCarries information specifying amino acid sequences of proteins from DNA to ribosomes- translates the DNA's instructions to make proteins What is the ratio of carbon to hydrogen to oxygen in carbohydrates? - ans1:2: What makes the mitotic spindle? - ansmicrotubules When lipids are broken down, they release - ansEnergy Which macromolecule will always contain a nitrogen - ansProtein (NH2) Which nitrogenous base does uracil replace in DNA? - ansthymine Which nucleic acid regulates protein expression? - ansRNA Which organelle contains digestive enzymes? - ansLysosome Which organelle makes a ribosome? - ansNucleolus Which type of bond between the complementary bases of DNA stabilizes the double helix structure? - ansHydrogen bond
Which type of bond connects monomers in carbohydrates and lipids? - ansCovalent (carbohydrates) Which type of reaction describes the breakdown of macromolecules? - ansHydrolysis______ in DNA and RNA can lead to error in proteins. - ansMutations
2 Types of nucleic acids: - ans1. DNA (deoxyribonucleic acid)
Allele - ansDifferent types or versions of a gene Amino acids are joined by what bond? - ansPeptide At the molecular level, carbohydrates contain - ansCarbon, hydrogen, and oxygen Carbohydrate functions in living systems - ans1. storage
Carbohydrate monomers tend to end in - ans-ose Carbohydrate stored in the liver - ansglycogen Carbohydrates that store energy - ansGlycogen (humans) Amylopectin and Amylose (plants) Carbohydrates used in cellular communication - ansGlycoprotein (immunity) &Glycolipids (cell membrane)
Genotype versus phenotype - ansGenotype Genetic makeup a person inherits Phenotype Characteristic or trait the person eventually has Observed physically Glucose - ansA very common carbohydrate monomer that exists as a hexose (meaning it has 6 carbons in it). Glycoprotein - ansA protein with one or more carbohydrates covalently attached to it, used by the human body for cellular recognition. Oligosaccharide with amino acidsattached that attaches to a cell's lipid membrane in cellular recognition; antibody, immunoglobulin How are carbohydrates stored in the liver? - ansas glycogen How are hydrophobic proteins used in the body? - ansProvide structure; keratin & collagen How many amino acids exist? - ans Hydrolysis - ansa chemical reaction that adds water to a macromolecule in order to break its covalent bond; key component in digestion Hydrophilic proteins in the body are known as - ansGlobular proteins Hydrophobic proteins have a function of providing ________ & are found where? -ansstructure; keratin (hair and nails), and collagen (skin)
Incomplete Dominance - ansCases in which one allele is not completely dominant over another, in which the heterozygous organism expresses a third trait Independent Assortment - ansthe random distribution of genes into gametes during meiosis Lipids do not mix with water, meaning they are - anshydrophobic Lipids have 2 important functions - ans1. Storing energy
3:1 Monohybrid 9:3:3:1 Dihybrid Monohybrid Cross - ansA cross between organisms examining one pair of traits. Expected ratio if Dominant/Recessive= 3: Monomers - anssmall molecular building blocks of polymers Muscle cells contain a lot of which organelle? - ansMitochondrion On a molecular level, lipids contain a lot of - anshydrogen and carbon Phospholipids - ansUsed by cells, particularly in cell membranes, to provide structure Plants use carbohydrates in the form of - anscellulose Polygenic Inheritance - ansAn additive effect of two or more genes on a single phenotypic character. Polypeptides - ansa polymer of amino acids joined together by peptide bonds. Process of creating mRNA from DNa - anstranscription Process of encoding proteins - ansTranslation Protein with hydrophobic ends that transport material in and out of the cell that is used in cellular communication - ansMembrane protein Purines - ansBases with a double-ring structure.Adenine and Guanine
Pyrimidines - anscytosine and thymine (uracil in RNA) RNA carries information from the nucleus to the _______ where proteins are made -ansribosome
RNA is unstable under ____ conditions. - ansalkaline Simplest unit of a carbohydrate - ansmonosaccharide Simplest unit of a protein - ansamino acid Simplest unit of nucleic acids - ansnucleotide Smallest unit of a lipid - ansfatty acid
Which type of bond between the complementary bases of DNA stabilizes the double helix structure? - ansHydrogen bond Which type of bond connects monomers in carbohydrates and lipids? - ansCovalent (carbohydrates) Which type of reaction describes the breakdown of macromolecules? - ansHydrolysis______ in DNA and RNA can lead to error in proteins. - ansMutations
2 Types of nucleic acids: - ans1. DNA (deoxyribonucleic acid)
4 Types of Macromolecules - anscarbohydrates, lipids, proteins, nucleic acids A cell that secretes chemicals contain higher levels of what organelle? - ansGolgiApparatus
Adenine pairs with ______ in DNA, and with ______ in RNA - ansThymine; uracil Adipose Tissue - ansConnective tissue in the body that stores fat. All proteins contain - ansC, H, O and N (Nitrogen) amine group (NH2) and carboxyl group (COOH) Allele - ansDifferent types or versions of a gene Amino acids are joined by what bond? - ansPeptide At the molecular level, carbohydrates contain - ansCarbon, hydrogen, and oxygen Carbohydrate functions in living systems - ans1. storage
Carbohydrates used in cellular communication - ansGlycoprotein (immunity) & Glycolipids (cell membrane) Centromere - ansArea where the chromatids of a chromosome are attached chitin - anscarbohydrate used by fungi to add structure to their cell wall and by insects/anthropods in their exoskeleton Chromatid - ansone of two identical "sister" parts of a duplicated chromosome joined at the centromere containing DNA + Protein. Codon - ansthree-nucleotide sequence on messenger RNA that codes for a single amino acid Combination Inheritance - ansDifferent alleles expressed at the same time (AB) Dehydration Synthesis - ansA chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule (endothermic)- how macromoleculesform
DNA - ansDeoxyribonucleic acid that has a double helix structure, deoxyribose sugar backbone, phosphate group, and nitrogenous bases DNA contains the sugar ____________, while RNA contains the sugar ___________. - ansdeoxyribose; ribose Endothermic Reaction - ansA reaction that ABSORBS energy in the form of heat Enzyme - ansProtein that increases reaction rate in the body Every monomer of nucleic acid contain 3 things: - ans1. sugar
Mendelian Inheritance - ansInheritance of genes which follow predictive ratios of dominant/recessive alleles. 3:1 Monohybrid9:3:3:1 Dihybrid
Monohybrid Cross - ansA cross between organisms examining one pair of traits. Expected ratio if Dominant/Recessive= 3: Monomers - anssmall molecular building blocks of polymers Muscle cells contain a lot of which organelle? - ansMitochondrion On a molecular level, lipids contain a lot of - anshydrogen and carbon Phospholipids - ansUsed by cells, particularly in cell membranes, to provide structure Plants use carbohydrates in the form of - anscellulose Polygenic Inheritance - ansAn additive effect of two or more genes on a single phenotypic character. Polypeptides - ansa polymer of amino acids joined together by peptide bonds. Process of creating mRNA from DNa - anstranscription Process of encoding proteins - ansTranslation Protein with hydrophobic ends that transport material in and out of the cell that is used in cellular communication - ansMembrane protein Purines - ansBases with a double-ring structure. Adenine and Guanine Pyrimidines - anscytosine and thymine (uracil in RNA) RNA carries information from the nucleus to the _______ where proteins are made - ansribosome RNA is unstable under ____ conditions. - ansalkaline Simplest unit of a carbohydrate - ansmonosaccharide Simplest unit of a protein - ansamino acid Simplest unit of nucleic acids - ansnucleotide
Smallest unit of a lipid - ansfatty acid The 2 major classes of proteins are - ansHormones and Enzymes The breakdown of macromolecules is what kind of reaction? - ansExothermic reaction called hydrolysis The creation of macromolecules is what kind of reaction? - ansEndothermic reactioncalled dehydration
The sugar found in DNA is more _________ than that of RNA's. - ansreduced This lipid bilayer has a hydrophilic phosphate group that points towards the aqueousenvironment: - ansphospholipid bilayer
What characteristic of an element determines its specific isotope? - ansNeutron What does the pH scale measure? - ansthe concentration of hydrogen ions in a solution What does the rate of a chemical reaction depend on? - ans What is the bond between nitrogenous bases? - anshydrogen bonds What is the function of membrane proteins? - ans-transport substances across the plasma membrane as protein channels and carrier proteins -structure -body wide communication (immunity) What is the function of messenger RNA? - ansCarries information specifying amino acidsequences of proteins from DNA to ribosomes- translates the DNA's instructions to make proteins What is the ratio of carbon to hydrogen to oxygen in carbohydrates? - ans1:2: What makes the mitotic spindle? - ansmicrotubules When lipids are broken down, they release - ansEnergy Which macromolecule will always contain a nitrogen - ansProtein (NH2) Which nitrogenous base does uracil replace in DNA? - ansthymine Which nucleic acid regulates protein expression? - ansRNA Which organelle contains digestive enzymes? - ansLysosome