Define diffusion - Study guides, Class notes & Summaries

AQA AS BIOLOGY Paper 1 Monday 15 May 2023 Morning Time allowed: 1 hour 30 minutes Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages. • If you need extra space fo...

AP BIOLOGY UNIT 2 TEST QUESTIONS WITH VERIFIED ANSWERS Compare and contrast P2 and P1. Photosystem II begins , which absorbs wavelengths at a wavelength of 680 nm. Here, energy is absorbed and passed along until it reaches P680 chlorophyll. When this chlorophyll is excited, it sends its electrons to the primary electron acceptor. Electrons are taken from H2O and passed to P680 to replace the electrons given to the primary acceptor. This forces O2 to form. The electrons are passed to ph...

Define gas exchange CORRECT ANS Process by which oxygen is transported to cells and carbon dioxide is transported from cells Dyspnea CORRECT ANS shortness of breath Orthopnea CORRECT ANS difficulty breathing when lying down Nocturnal dyspnea CORRECT ANS difficulty breathing at night Ischemia CORRECT ANS lack of blood supply to organ or part of body especially heart muscles Hypoxia- CORRECT ANS not enough o2 in the blood Anoxia- CORRECT ANS absence of 02 Diffusion- CORRECT A...

Biology 1001 Lab Exam Questions with Verified Solutions 1. **Define osmosis.** - Osmosis is the diffusion of water across a selectively permeable membrane. 2. **What does hypertonic mean in the context of solutions?** - Hypertonic refers to a solution with a higher concentration of solutes compared to another solution. 3. **Explain what hypotonic means in the context of solutions.** - Hypotonic describes a solution with a lower concentration of solutes compared to another s...

ESS IB Final Exam Questions & Answers 2024/2025 1.1.1 Outline the concepts and characteristics of a system - ANSWERSStorages of matter or energy. Flows- inputs into the system and outputs from the system. Processes which transfer or transform energy or matter. System- An assemblage of parts and the relationships between them which together constitutes an entity or whole. They always must contain energy, matter, and information. • Feedback mechanisms that maintain feedback and equilibr...

NURS 231 Pathophysiology All Module Exams Questions and Answers- Portage Learning UPDATED 2023 GRADED A+ PATHOPHYS Module Exams Module 1 Exam Question 1 2.5 / 2.5 pts True/False: A bodybuilder’s muscles will display hyperplasia. True Correct! False It will display hypertrophy. Question 2 2.5 / 2.5 pts True/False: Barrett esophagus is an example of dysplasia. True Correct! False It’s metaplasia. Question 3 0 / 2.5 pts True/False: Hypertrophy is an inc...

StraighterLine BIO250 - Microbiology Final Exam Study Guide | Questions and Correct Answers | Latest Update 2024/2025 | 100% PASS What is a Transforming Infection? - Answer -Virus that alters cell DNA, leading to cancer What is a lysogenic infection? - Answer -Phage DNA is incorporated into host genome and is passed on to subsequent generations What is a Lytic Bacteriophage Infection? - Answer -Host cell gets so packed with viruses that is lyses (splits) open and releases mature virio...

ANP 1 Final Exam Questions & Answers 2024/2025 Define histology - ANSWERSstudy of tissues Define homeostasis - ANSWERSwhen individual body cells perform specific functions Define negative feedback - ANSWERSto correct a deviation from a set point how are cartilage and bone similar and different? - ANSWERScartilage lacks nerve fibers. both contain an extra cellular matrix Fibrocartilage - ANSWERScontains collagen and can be found in intervertebral discs Elastic cartilage - ANSW...

COM2603 Assignment 1 (QUALITY ANSWERS) Semester 2 2024: Detailed Explanation, No plagiarism, 100% Trusting work, special References For assistance Whats-app-9-2-3-3-0-1-5-6-2-1-6-8: SECTION 1 INTERCULTURAL COMMUNICATION QUESTION 1 Explain the concept of ‘global village’ and discuss the role of technology in facilitating human communication. (10) QUESTION 2 Discuss the view of communication as symbolic and provide two examples of symbolic communication from your own culture. (5) QUESTION 3...

In this revision of the test bank, I have updated all of the questions to reflect changes in Sociology, 16th edition. In this revision, the questions are tagged according to six levels of learning that move from lower-level to higher-level cognitive reasoning. The six levels are: REMEMBER: a question involving recall of key terms or factual material UNDERSTAND: a question testing comprehension of more complex ideas APPLY: a question applying sociological knowledge to some new situation ANA...