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In prokaryotes the polymerase is composed of four polypeptide subunits, two of which are identical. These subunits, denoted α α, α α, β β, and β β ', comprise the polymerase core enzyme. There is a fifth subunit that is involved in translation initiation. The polymerase comprised of all four subunits is called the holoenzyme.
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1. By what process to plants turn sunlight, water and carbon dioxide into food (and oxygen)? 2. What was the name of Charles Darwin's ship? 3. What is the largest living structure on Earth? 4. Bone marrow is the primary site of the production of what type of cell? 5. How many stomachs does a cow typically have? 6.
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Stand Alone Question 1. During photosynthesis. A. light reactions produce sugar, while the Calvin cycle produces O2. B. light reactions produce NADPH and ATP, while the Calvin cycle produces sugar. C. light reactions photophosphorylate ADP, while the Calvin cycle produces ATP. D. the Calvin cycle produces both sugar and O2.
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Free-Response Questions. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at ssd@info.
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Question: Human skin cells divide only once. Answer: Human skin cells divide between 50 and 70 times. Question: Iron is the most abundant metal in Earth's crust. Answer: Iron is the second most common metal in Earth's crust. Of the metals in the crust, only aluminum is more common. Question: Energy can be transmitted wirelessly.
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Hard biology questions. Explain the role of bacteria in the aerobic digestion tank. Click the card to flip 👆. 1.secrete/ make enzymes. 2.breakdown insoluble substances to soluble substances. 3.protease. 4 breaks down protein to amino acids. 7. Lipase.
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1. What Is 'Brainfreeze?' Sphenopalatine ganglioneuralgia (or 'brain-freeze') is a painful condition similar to a migraine, that arises due to your bodys natural reaction to cold temperatures. When you get cold, your body undergoes a series of changes designed to prevent heat loss.
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Study with Quizlet and memorize flashcards containing terms like 3 Functions of membrane proteins:, How do vesicles move in a cell?, Over 4 billion years ago; both Chloroplast and Mitochondria were thought to be independent living prokaryotic organisms at one time because they have their own DNA and Ribosomes and can replicate themselves. Some larger organism engulfed them and started working.
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1. Hydrolysis of peptide bonds; 2. Endopeptidases break polypeptides into smaller peptide chains; 3. Exopeptidases remove terminal amino acids; 4. Dipeptidases hydrolyse / break down dipeptides into amino acids. Describe how mRNA is produced in the cells nucleus.
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1. What is the biggest organ in the human body? A. Skin B. Heart C. Brain D. Lungs Correct Answer A. Skin Explanation The skin is the largest organ in the human body. It covers the entire body and has a surface area of about 20 square feet.
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What are the five senses of the human body? What chemicals can make human tissue regenerate in seconds? What is it about a full moon that makes people do crazy things and commit crimes? What is it about red that makes bulls so angry? When did humans stop evolving? When do birds use their teeth?
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Answer: Norovirus Before we jump into the questions, let's talk about Water Cooler Trivia. If you are searching for a trivia quiz platform that offers a wide selection of biology trivia questions, look no further than Water Cooler Trivia.
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Explain how an impulse passes along the membrane of a neuron. (8 marks) a. resting potential is -70mV - relatively negative inside in comparison to the outside. b. Na and K pumps maintain/re-establish the resting potential. c. more sodium ions outside than inside at resting potential - more potassium ions inside than outside.
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By Regina Bailey Updated on July 10, 2019 Biology is a wondrous science that inspires us to discover more about the world around us. While science may not have the answers to every question, some biology questions are answerable. Have you ever wondered why DNA is twisted or why some sounds make your skin crawl?