Biochem Exam 2

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Biology - Biochemistry

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user_kambeorv Created by 9 mon ago

Cards in this deck(100)
Where are sterols typically found within eukaryotic cells?
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What is an example of a sterol that plays a crucial role in cellular membranes?
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How do mammals obtain cholesterol for their physiological needs?
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Do bacteria possess sterols in their cellular structure?
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What is the primary function of sterols in biological membranes?
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What are the polarity and solubility characteristics of cholesterol in water?
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How does cholesterol contribute to the clogging of arteries?
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What is a derivative of sterols that plays a significant role in the body?
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Which is more polar: cholesterol or steroid hormone?
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How are steroid hormones synthesized in the body?
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How are steroid hormones transported throughout the body?
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What is an example of a biologically active lipid that acts as a signaling molecule?
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What is the concentration of hormones in the body compared to other lipids?
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What role do hormones play in the body?
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What are the four lipid-soluble and biologically active vitamins?
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What is the primary function of transporters in cellular membranes?
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What are the three classes of transport mechanisms in cells?
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What is the characteristic of a uniport transport mechanism?
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What is the characteristic of a symport transport mechanism?
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What is the characteristic of an antiport transport mechanism?
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What are the six types of transport mechanisms in biological membranes?
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What is the characteristic of simple diffusion in cellular transport?
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What is the characteristic of facilitated transport in cellular membranes?
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What is the characteristic of primary active transport in cellular membranes?
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What is the characteristic of secondary active transport in cellular membranes?
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What is the characteristic of ion channels in cellular membranes?
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What is the characteristic of ionophores in cellular membranes?
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What are three different lipid membrane structures found in cells?
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What is the characteristic of micelles in terms of their structure?
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How many lipids typically make up a micelle structure?
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What type of drugs can micelles effectively deliver?
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What is another term commonly used for a liposome in biological contexts?
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What is the shape of a liposome, and how does it function in drug delivery?
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What type of drug can a liposome effectively deliver due to its structure?
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What is found in the center of a liposome that aids in its function?
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What can a liposome fuse with to deliver its contents effectively?
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What are the seven functions of a membrane in cellular processes?
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What are the three primary functions of membrane proteins?
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What are the three types of membrane proteins based on their association with the membrane?
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What is the characteristic of integral proteins in cellular membranes?
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How can integral proteins be removed from the membrane?
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What is the characteristic of peripheral proteins in cellular membranes?
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How can peripheral proteins be removed from the membrane?
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What is the characteristic of lipid anchor proteins in cellular membranes?
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How can lipid anchor proteins be detached from a lipid in the membrane?
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What is the movement characteristic of molecules in the gel phase of a membrane?
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What is the movement characteristic of molecules in the fluid phase of a membrane?
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How is the fluidity of a membrane determined?
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As temperatures increase, how does membrane composition change to maintain stability?
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As temperatures decrease, how does membrane composition change to maintain fluidity?
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At what temperature will you find more sterols in the membrane to maintain fluidity?
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What is the characteristic of lateral diffusion in cellular membranes?
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What is the characteristic of transverse diffusion in cellular membranes?
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How is transverse diffusion sped up in cellular membranes?
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What is the function of flippase in cellular membranes?
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What is the function of floppase in cellular membranes?
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What is the function of scramblase in cellular membranes?
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About how many angstroms is a typical biological membrane in thickness?
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What are three characteristics of a biological membrane?
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Do membranes differ between organisms, tissues, and organelles?
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What model was created to describe membranes structurally and dynamically?
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Who developed the Fluid Mosaic Model and when?
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What does the Fluid Mosaic Model say about the structure of membranes?
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What bonds are broken and which bonds remain after DNA denaturation?
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What happens to pi stacking during DNA denaturation and what results?
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What happens to UV absorbance during DNA denaturation?
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What causes DNA denaturation in biological systems?
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What four factors affect DNA denaturation?
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How does base pair composition affect DNA denaturation?
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How does DNA length affect DNA denaturation?
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How does pH affect DNA denaturation?
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How does ionic strength affect DNA denaturation?
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What is denaturation the basis of for in molecular biology?
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What is the primary purpose of PCR in molecular biology?
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What is the opposite process of DNA denaturation?
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What is recombinant DNA in the context of genetic engineering?
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What is the purpose of DNA cloning in molecular biology?
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What are restriction endonucleases and what is their function?
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What type of sequence does an endonuclease cut in DNA?
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What is created by an endonuclease that leaves an overhang after cutting DNA?
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What is created by an endonuclease that leaves no overhang after cutting DNA?
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Where is a large number of known restriction endonucleases found and what is their function?
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What are plasmids and what is their role in genetic engineering?
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How can plasmids be replicated in a laboratory setting?
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What are bacteria called that have replicated plasmids in them?
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What sites do you find in plasmids that are crucial for their function?
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What is electrophoresis used for in molecular biology?
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How many base pairs are in a pGLO plasmid?
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What regions are found in a pGLO plasmid that are essential for its function?
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What are lipids and what is their primary characteristic?
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What are the functions of lipids in biological systems?
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What is the classification of lipids based on?
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What are the two classifications of lipids based on their composition?
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What are two examples of lipids that contain fatty acids?
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What are two examples of lipids that do not contain fatty acids?
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How many carbons are typically found in a fatty acid chain?
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What is the characteristic of saturated fatty acids in terms of carbon bonds?
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What is the characteristic of monounsaturated fatty acids in terms of carbon bonds?
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What is the characteristic of polyunsaturated fatty acids in terms of carbon bonds?
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Do fatty acids have branches in their structure?
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