Proton motive force - Samenvattingen, Aantekeningen en Examens

For the given bacterium, growing in a particular medium, at a specified temperature, the growth rate is 1.111 generations per hour. What is the generation time? 54 minutes per generation Some microorganisms can use this type of metabolism to survive and grown in the absence of non-combined oxygen (O2). -denitrification -photosynthesis -lactic acid fermentation Which of the following statements about enumerating bacteria by using the viable plate count method is false? To do a viable plate coun...

ANSC 221 Exam 2 Questions With 100% Correct Answers Uniporter, Symporter/co-transporter, and Antiporter. - answerThere are three transporter types: electron transport chain - answerOxidative process of metabolism involves _________. Glycoprotein - answercarbohydrate to protein chondroitin sulfate - answer________-cartilage (GAG example) cell junctions - answer_____ adhere cells to each other and to the ECM Hormones - answer____ coordinate cellular activites in multicellular animals. Iso...

Activator proteins - A DNA-binding proteins that recruit transcriptional machinery Affinity chromatography - A method of separating biochemical mixtures based on a highly specific interaction such as that between antigen and antibody, enzyme and substrate, or receptor and ligand Alternative pathway of complement activation - C3b binds directly to cell surface C5b-9 forms the MAC Anion exchange chromatography - Negative charges bind to the beads, so positive charges will elute sooner. Anti...

Brock Biology of Microorganisms Chapter 2 Exam Questions With Correct Answers An organism of the genus Staphylococcus is ________, while an organism of the genus Spirochaeta is ________. A) spherical / rod shaped B) rod shaped / coiled C) spherical / coiled D) coiled / spherical - answerC) spherical/coiled Bacteria with type IV pili A) possess tubular or stalk-like extensions of their cells. B) likely exhibit twitching motility. C) have capsules that promote dehydration. D) live in a...

SFSU Biology 230 Final Exam with complete solutions What are the two components of the proton-motive force? a. pH gradient and equilibrium b. pH gradient and voltage c. voltage and ATP d. voltage and lipid-soluble agents - ️️ b. pH gradient and voltage Which molecule is responsible for unwinding DNA supercoils before replication in E. coli? a. DNA helicase b. DNA ligase c. DNA polymerase III d. Gyrase e. Topoisomerase I/II - ️️ a. DNA helicase What is the likely cause of an ...

BIOL 250 Exam 1 Latest Updated 2024 With 100% Correct Questions And Answers Electron microscopy has _________ ________ than light microscopy, because the wavelengths of electrons are much ___________ than the wavelength of visible light. A) higher resolution/smaller B) lower magnification/larger C) higher resolution/larger D) lower resolution/smaller - A Which of the following statements are false: A) Poly-β-alkanoates (PHA) such as poly-β-hydroxybutyrate (PHB) are carbon- and e...

List two essential mineral elements. For each, state a function and a deficiency symptom. -reduced growth, woody stems, and purple leaf pigment from anthocyanins. Another nutrient is phosphorus. Phosphorus deficiency causes reduced growth and slender stems, and dark green leaves with necrotic spots. A gardener observes symptoms on their tomato plants of chlorosis in between leaf veins on older leaves before younger leaves. The gardener and horticulture experts agree that the plant has a Magne...

ANSC 221 Exam 2 Questions With 100% Correct Answers Uniporter, Symporter/co-transporter, and Antiporter. - answerThere are three transporter types: electron transport chain - answerOxidative process of metabolism involves _________. Glycoprotein - answercarbohydrate to protein chondroitin sulfate - answer________-cartilage (GAG example) cell junctions - answer_____ adhere cells to each other and to the ECM Hormones - answer____ coordinate cellular activites in multicellular animals. Iso...

1. What are the four tenets of the cell theory? - Ans-All living things are composed of cells. -The cell is the basic functional unit of life. -Cells arise only from pre-existing cells -Cells carry genetic information in the form of DNA 2. Why are viruses not considered living organisms? - AnsThey violate the cell theory; -their genetic material is RNA -they cannot reproduce on their own, they must invade another organism. 3. Are eukaryotic cells unicellular or multicellular? - AnsThey c...

Biology 5A Midterm 2 Study Guide Exam Questions With 100% Correct Answers Where does Oxidative Phosphorylation take place? - answerThis takes place in the inner mitochondrial membrane What is the energy of electrons used for during Oxidative Phosphorylation? - answerPurpose of ATP Synthesis NADH and FADH2 - answerFollowing glycolysis and citric acid cycle, they account for most of the energy extracted from food. They are two electron carriers that donate to electron transport chain What...