Simple diffusion - Study guides, Revision notes & Summaries

platelets small fragments of larger cells produced in bone marrow that initiate clotting Leukocyte (wbc) Protect against invading microorganisms Erythrocyte (rbc) Contain hgb and enables cell to bind oxygen molecules Plasma Fluid medium that allows transport of blood components Capillaries Smallest vessels Veins (except pulmonary) Carry deoxygenated blood back to heart Pulmonary Vein Carries oxygenated blood from lungs to heart Arteries (except Pulmonary) Carry oxygenated blood aw...

Catabolism - Answer breakdown of more complex substances into simpler ones with release of energy Anabolism - Answer metabolic building of simple compounds into more complex substances needed by the body Four basic tissue types - Answer epithelial, connective, muscle, nervous Abduction - Answer Movement away from midline Adduction - Answer Movement toward midline What is the dorsal body cavity? - Answer Continuous body cavity that includes cranial cavity and spin...

Oxygen is transferred from mom to fetus via the placenta through? – Passive (Simple) Diffusion Intervillous space perfusion is dependent on? – Adequate Uterine Blood Flow Maternal Fetal Exchange is best promoted by which maternal position? – Either Rt or Lt Lateral What is transfer down the concentration gradient from higher to lower called? – Diffusion The most likely physical rationale for recurrent late decels after epidural is? – Maternal Sympathetic Blockade Which FHR pa...

integral proteins - correct answer Penetrate the hydrophobic interior of the lipid bilayer. Commerce via facilitated or active. peripheral protein - correct answer A protein loosely bound to the surface of a membrane or to part of an integral protein and not embedded in the lipid bilayer. Carbohydrate group - correct answer Linked with protein or lipids and function as adhesion. Cholesterol - correct answer Steroid common in cell membranes, also in many hormones. Functions as suppor...

Exam 2: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Test Study Guide | 100% Correct | Grade A - Chamberlain Question: capillary exchange Answer: diffusion, transcytosis, bulk flow Question: Diffusion Answer: Substances such as oxygen, carbon dioxide, glucose, amino acids, and some hormones cross capillary walls via simple diffusion Question: Transcytosis Answer: Large, lipid-insoluble molecules (like insulin) cross capillary ...

Exam 3: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Weeks 5 – 7 Review | 100% Correct | Grade A - Chamberlain Question: External respiration Answer: exchange of gases between alveolar air and blood in pulmonary capillaries Question: Simple diffusion Answer: the reason o2 and co2 move across alveolar membrane Question: simple diffusion Answer: movement of a solute from an area of high concentration to an area of low con...

AQA A LEVEL BIOLOGY Paper 1 2024 What is the function of the cell membrane? - ANS To control what enters and leaves the cell, acts as a barrier between the cell and its environment. What structural feature of the cell membrane allows substances to enter/leave? - ANS Partially permeable What is the fluid mosaic model? - ANS States that a membrane is a fluid structure (because phospholipids are constantly moving) with a "mosaic" of various proteins embedded in it Describe t...

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Chapter 1 Cellular Function 1. The nucleus , which is essential for function and survival of the cell. A) is the site of protein synthesis B) contains the genetic code C) transforms cellular energy D) initiates aerobic metabolism 2. Although energy is not made in mitochondria, they are known as the power plants of the cell because they: A) contain RNA for protein synthesis. B) utilize glycolysis for oxidative energy. C) extract energy from organic compounds. D) store calcium b...

Chapter 1 – The Science of Nutrition Multiple Choice Answer, level, page Level: K = knowledge, A = application/critical thinking What Do We Mean by “Nutrition”? (pp. 5-8) a A 6 1. Which of the following ingredients in a box of toaster pastries would contribute macronutrients to one’s diet? a. Water, high-fructose corn syrup, egg yolk b. Niacin, folic acid, sucralose c. Riboflavin, salt, sodium benzoate d. Thiamin mononitrate, soybean oil, sugar c K 5 2. The term “n...