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Biology - Molecular Biology

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user_jevbwl Created by 9 mon ago

Cards in this deck(100)
What is the term for the development of life from lifeless matter?
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Who firmly believed that living things can come from nonliving matter?
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Who started doubting and developed experiments to contradict abiogenesis?
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Who ended the controversy of abiogenesis?
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What type of organisms have no nucleus or membrane-bound organelles?
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Which of the following are examples of prokaryotes?
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What type of organisms have membrane-bound cell organelles?
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Which of the following are examples of eukaryotes?
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What are noncellular, submicroscopic particles consisting of nucleic acid surrounded by a protein coat?
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What are proteins that misfold and become an infectious agent, lacking nucleic acids?
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What are plant pathogens that do not have a protein coat?
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What are electrically charged atoms, molecules, or particles due to electron loss or gain?
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What are positively charged ions called?
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What are negatively charged ions called?
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What are free ions present in a solvent, such as water, called?
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Molecules form by chemical bonding between which part of atoms?
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The number of bonds possible between atoms is determined by the number of _____ needed to complete the outermost shell.
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Compounds are made from atoms of _____ elements.
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What type of bonds are created by sharing electrons with other atoms?
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What is a covalent bond in which the electrons are shared equally by the two atoms called?
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What is a covalent bond in which electrons are not shared equally called?
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What is the result of a polar covalent bond where one end of the molecule is more negative and the other more positive?
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What type of bonds are formed by the transfer of electrons?
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What charge results from the loss of electrons in an ionic bond?
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What are very weak bonds that involve attraction between charged atoms within a large molecule or between adjacent molecules?
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What charge results from gaining an electron in an ionic bond?
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Hydrogen bonds always involve a hydrogen atom with a _____ charge attracted to an oxygen or nitrogen atom with a _____ charge.
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What is the formation of a larger molecule from smaller ones with the removal of H2O called?
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What is the breakdown of large molecules by the addition of water called?
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What substances can dissociate in water to form acids, bases, or salts?
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What substances release hydrogen ions in a solution?
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What substances release hydroxyl ions in a solution?
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The higher the hydrogen ion concentration in the solution, the more _____ the solution.
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A low hydrogen ion concentration of a solution indicates a _____ solution.
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What scale measures the alkalinity or acidity of a solution based on hydrogen ion concentration?
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What is the pH of an acidic solution?
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What is the pH of a neutral solution?
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What is the pH of a basic solution?
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What is a solution called where the solute concentration is equal inside and outside of the cell?
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What is a solution called where the solute concentration in the cell is less than outside of the cell?
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What is a solution called where the solute concentration in the cell is higher than outside of the cell?
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What forms when ions attract polar water molecules?
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What are water-soluble (water-loving) compounds called?
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What are compounds that are insoluble in water (water-repelling) called?
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What are the building blocks of nucleic acids called?
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What is the molecule responsible for the storage of genetic information?
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What is the molecule responsible for directing protein synthesis?
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What is the molecule responsible for energy transfer in cells?
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What theory states that all living things are composed of cells, which are the basic units of structure and function?
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What are the methods of reproduction by cell division?
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Cellular metabolism is organized in specific _____ pathways.
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What are the responses to external and internal stimuli to changes in temperature, pH, and nutrient levels?
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What are the functions of membrane proteins?
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What type of bacteria have a thick peptidoglycan layer and contain teichoic acid?
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What is a collection of surface-associated microbes enclosed by an extracellular matrix?
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What type of bacteria have a thin peptidoglycan layer and an outer membrane?
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What is the process of biofilm formation?
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On what surfaces can biofilms form?
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What are membrane-bound structures used for storage and water regulation in cells?
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What are membrane-bound compartments used for metabolism, transport, and enzyme storage?
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What are special structures formed by some bacteria to survive in harsh conditions?
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All living cells are separated from their environment by _____ or by their cell walls.
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Prokaryotic cells and unicellular organisms are in direct contact with _____ environment.
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Multicellular organisms form tissues and are not in direct contact with _____ environment.
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What is the fluid within cells that contains a high concentration of potassium, phosphate, and magnesium?
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What is the fluid surrounding cells with high concentrations of sodium, chloride, and bicarbonate?
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What type of transport requires no cellular energy and involves movement down the concentration gradient?
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What type of transport requires cellular energy and moves substances against the concentration gradient?
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What is the movement of molecules from an area of higher concentration to an area of lower concentration called?
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What type of passive transport is carrier-mediated and requires a specific carrier?
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What is the diffusion of water through a selectively permeable membrane called?
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What is the pressure necessary to stop osmosis called?
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What is the movement of molecules through a membrane along a gradient driven by hydrostatic pressure and gravity?
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What are biological catalysts that speed up chemical reactions without changing themselves?
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What are the stages of aerobic cellular respiration?
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What are the stages of anaerobic cellular respiration?
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What is the first pathway of cellular respiration that occurs in the cytoplasm?
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What are the steps involved in glycolysis?
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What is the second stage of cellular respiration where pyruvic acid is broken down into carbon dioxide?
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What is the sequence of electron carrier molecules that shuttle electrons during redox reactions?
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How many ATPs are produced in the Electron Transport Chain?
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How many ATPs are produced in glycolysis?
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How many ATPs are consumed during glycolysis?
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What is the total number of ATPs produced for each glucose molecule?
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What process starts with glycolysis and has end products like lactic acid and ethyl alcohol?
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What is the formation of proteins by using information contained in DNA and carried by mRNA called?
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What is the synthesis of an RNA molecule from a DNA template called?
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What is the process of translating mRNA into amino acids via tRNA called?
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What is controlled by RNA polymerase and involves the beginning sequence of transcription?
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What is the formation of mRNA by complementary base pairing on a DNA template called?
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What does each mRNA molecule contain that is complementary to the DNA template?
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What is a specific sequence of three adjacent bases on a strand of DNA or RNA that provides genetic code information for a particular amino acid?
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Some amino acids can be translated by different _____ sequences.
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What is the difference between mitosis and meiosis?
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What are the stages of mitosis?
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What happens during prophase in mitosis?
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What happens during metaphase in mitosis?
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What happens during anaphase in mitosis?
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What happens during telophase in mitosis?
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What is the process called when the cytoplasm divides to complete cell division?
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