Biology > QUESTIONS & ANSWERS > BIOL 180 / BIOL180 Quiz 3 Questions and Answers(100%) latest 2022 (All)
BIOL 180 / BIOL180 Quiz 3 Questions and Answers(100%) latest 2022
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Quiz Submissions - Quiz 3 Attempt 1 Written: Dec 27, 2020 8:45 PM - Dec 27, 2020 9:24 PM Submission View Your quiz has been submitted successfully. In an electron microscope, what type of cells a... re used? Question options: live and fresh cells live, processed cells dead, but fresh cells dead, processed cells Hide Feedback Great job. If a solution outside of a cell has a lower concentration of solutes inside of a cell, it is referred to as what? Question options: facilitated isotonic hypertonic hypotonic Hide Feedback Osmolarity describes the total amount of solutes dissolved in a specific amount of solution, and can either have mtransport in Chapter 3. Cells that communicate with each other by direct contact use what? Question options: central vacuole endoplasmic reticulum intercellular junctions plasma membrane Hide Feedback Great job. Light and dissecting microscopes are binocular. What does this mean? Question options: They have one eye piece, and one lens system They have one lens system, that is split for each eye They have two separate lens systems, one for each eye They have two eye pieces, and one lens system Hide Feedback Great job. If a substance must move up a concentration gradient, there is an input requirement of what from the cell? Question options: ATP H2O Sugar NaCl Hide Feedback Great job. Which structure carries out oxidation reactions that break down fatty acids and amino acids? Question options: mitochondria peroxisomes ribosomes chloroplasts Hide Feedback Great job. Why can't cells store extra free energy? Question options: they can store free energy, which is why we are able to survive it would result in a lowering of heat, which would freeze the cells it would result in an increase of heat, which would denature enzymes it would result in a lack of space, which would keep out other molecules Hide Feedback Great job. Reactions that absorb free energy are called what? Question options: endergonic exergonic potential kinetic Hide Feedback Great job. What kind of metabolic pathway takes small molecules and builds them into larger ones, requiring energy? Question options: metabolism bioenergetics catabolic anabolic Hide Feedback Great job. If a molecule binds to an active site in an enzyme, but it is not involved in the reaction and is simply slowing it down, what is it called? Question options: competitive inhibition active site substrate enzyme Hide Feedback Inhibition occurs when a molecule binds to the active site in the enzyme. Review energy and metabolism in Chap What is the term for when an activator binds to an enzyme, which alters the active site so that the substrate is able to bind? Question options: competitive inhibition allosteric activation active site allosteric inhibition Hide Feedback Activation occurs when an enzyme is turned on, and can occur using an alternate site. Review energy and metaboWhat kind of energy does a slow moving wrecking ball contain? Question options: chemical energy kinetic energy heat energy light energy potential energy Hide Feedback Great job. During the light-dependent reactions of photosynthesis, what are the two energy-carrier molecules that absorb the energy from sunlight? Question opti [Show More]
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