Test 2 cell bio Study guides, Class notes & Summaries

IGCSE Biology Exam - Paper 6 Revision Notes BIO Enzyme activity lab: 2H2O2 (l) → 2H2O (l) + O2 (g) This reaction can be catalysed by an enzyme (catalase) or by a non- biological catalyst (Manganese IV oxide) 1. Put 3cm2 of hydrogen peroxide in a test tube. 2. Add fresh potato strips and shake gently. 3. Keep your thumb on top of the test tube, or use a stopper, to retain the gas. 4. Do the “glowing splint” test → the splint relights Positive control: repeat the original experime...

BIO 1A03 TEST 2 QUESTIONS AND ANSWERS ALREADY PASSED The lacZand lacY genes are transcribed when a) lactose is absent and glucose levels are high. b)lactose is present and glucose levels are low. c)lactose is present, regardless of the level of glucose in the cell. d) glucose levels are low, regardless of the level of lactose in the cell. b) The CRP-cAMP complex binds the lactose operon when a) glucose levels and cAMP levels are low. b) glucose levels are high and cAMP levels are low. c)...

Lab 1: What are the 4 primary tissue types? Epithelial, Connective, Muscle, Nervous Lab 1: Major roles, subtypes or cell types of Epithelial tissue -fxn: protect, secrete, absorption, excretion -Types of Membranes: Columnar, Cubodial, Squamos -Glands: Endocrine & Exocrine Lab 1: Membrane: Columnar -column like -found in intestines Lab 1: Membrane: Cubodial -cube shape -found in kidney Lab 1: Membrane: Simple Squamous -squished/flat, found in air sacs of lungs...

cell bio test 3 latest update A+ graded They control the expression of signaling receptors How do cells control which signals they are sensitive to ? They control which effector proteins they express How do cells control how they respond to a signal ? Binds directly to the receptor to activate signaling Role in Signaling Signaling molecule Extracellular at least at some point , can be any type of molecule Special Notes Signaling molecule Protein that binds to a...

BIO 182 Test 4 Questions with Correct Answers Which of the following contains a copy of the chromosome, along with a small amount of dehydrated cytoplasm, within a tough wall? A) cell wall B) endospore C) sec pilus D) flagellum E) capsule - Answer-B) endospore 2) Which of the following is a structure that permits conjugation to occur? A) flagellum B) cell wall C) sex pilus D) capsule E) endospore - Answer-C) sex pilus 3) Which of the following is composed almost entirel...

TEST BANK FOR NUTRITION: CONCEPTS AND CONTROVERSIES 5TH EDITION BY FRANCES SIZER, ELLIE WHITNEY, LEONARD PICHÉ | ALL CHAPTERS | LATEST GUIDE A+. Table of Contents Chapter 1: Food Choices and Human Health Chapter 2: Nutrition Tools – Standards and Guidelines Chapter 3: The Remarkable Body Chapter 4: The Carbohydrates: Sugar, Starch, Glycogen and Fibre Chapter 5: The Lipids: Fats, Oil, Phospholipids, and Sterols Chapter 6: The Proteins and Amino Acids Chapter 7: The Vitamins Chapter 8:...

CPHON Exam 117 Questions with Verified Answers Auer rods - CORRECT ANSWER AML distinguishing feature Leukemia - CORRECT ANSWER Malignant disorder of the blood and blood forming organs including the bone marrow, lymph nodes and spleen Cytogenetics for Leukemia - CORRECT ANSWER Ploidy; abnormalities found in more than 90% of patients with ALL; with number of chromosomes and structures (translocation) Hyperdiploidy in ALL - CORRECT ANSWER More than 46; favorable if not more than 50 G...

BIO 207 EXAM2 PRACTICE TEST FROM STUDY GUIDE 49 Questions with Verified Answers Which of the following molecules links glycolysis with the TCA cycle, and also serves as a precursor for many biosynthetic products? a. malate b. citrate c. oxaloacetate d. acetyl-CoA e. succinate - CORRECT ANSWER d. acetyl-CoA What methods do microorganisms NOT use to minimize energy for biosynthesis? a. Inhibit or kill nutritional competitors by making antimicrobials b. Loss of genes encoding enzymes f...

Physiology - BIO 151 - Lab Exam Questions and Correct Answers, With Complete Solution. 2024. Lab 1 Title Scientific Method What are the 5 steps of the Scientific Method? Observation, Generation of Hypothesis, Testing of Hypothesis, Presentation, and analysis of data, Conclusion What is an independent variable - Variable that cant be changed dependent variable what you measure during an experiment - depends on the independent variable/ subject What are controlled variables Other varia...

TEST BANK FOR NUTRITION: CONCEPTS AND CONTROVERSIES 5TH EDITION BY FRANCES SIZER, ELLIE WHITNEY, LEONARD PICHÉ | ALL CHAPTERS | LATEST GUIDE A+. Table of Contents Chapter 1: Food Choices and Human Health Chapter 2: Nutrition Tools – Standards and Guidelines Chapter 3: The Remarkable Body Chapter 4: The Carbohydrates: Sugar, Starch, Glycogen and Fibre Chapter 5: The Lipids: Fats, Oil, Phospholipids, and Sterols Chapter 6: The Proteins and Amino Acids Chapter 7: The Vitamins Chapter 8:...