Amphiphilic - Study guides, Revision notes & Summaries

APK final exam questions & answers 2024/2025 Hierarchy of Structural Organization - ANSWERSchemical, cellular, tissue, organ, organ system, organism anatomical position - ANSWERS Regional terminology - ANSWERS Body Planes and Sections - ANSWERSsagittal, frontal, transverse What are the smallest living units in our bodies? - ANSWERScells 3 main structural components of ANY cell - ANSWERSplasma membrane, cytoplasm, nucleus General structure of the plasma membrane - fluid mos...

Cells are enclosed in plasma membranes. Plasma membranes are: A) Hydrophobic, B) Amphiphilic, C) Lipophilic, D) Hydrophilic B) Amphiphilic, When genome undergoes multiple duplications, it is called: A) Single ploid genome B) Polyploid genome C) Haploid genome D) all answers are true B) Polyploid genome When genes are going to express (to make proteins) they move to the center of nucleus and extend out some parts of DNA in form of: A) Square B) Loops s C) Circles D) threads B) L...

BIO 201 EXAM 1 ASU LATEST UPDATE 100% VERIFIED abdominal cavity contains the digestive system and stomach abdominal region below the diaphragm abdominopelvic cavity contains the abdomen and pelvis, two layered serous membrane called peritoneum acidic pH of 0; ex: lemon juice, gastric juice, vinegar adipose connective tissue nucleus on edge, variable sizes; energy reservoir, insulation, cushion; found in skin adult stem cell undifferentiated cells found in mature organs ...

Reactions that add a phosphate to specific sites on proteins in an ATP dependent manner are important in cell signaling. The type of enzyme that catalyzes this reaction is: - ️️a protein kinase What secondary structure found in proteins is often used to enable it to cross a membrane? - ️️alpha helices An inhibitory acetylcholine receptor would - ️️be a K+ channel The nonpolar part of a phospholipids consists of - ️️fatty acid chains Which of the following is true concernin...

intermolecular forces - forces between molecules EX: HCl-HCl intramolecular forces - hold atoms together in a molecule Ex: H-Cl Types of intramolecular forces - 1. Ionic 2. Covalent - Polar covalent - nonpolar covalent nonpolar covalent bond - bond between atoms with same electronegativity polar covalent bond - bond with unequal sharing of electrons the lower the pka the - stronger the acid Buffers are ___ - solutions that resist changes in pH when strong acids or bases ...

a biological molecule that is soluble in nonpolar solvents but poorly soluble in water correct answers What is a *lipid*? those with distinct polar and nonpolar regions correct answers What are *amphiphilic* molecules? single bonds correct answers A *saturated fatty acid* contains only which bonds between carbon atoms? cis conformation correct answers C-C double bonds in a fatty acid chain are usually in which conformation? no correct answers Do triacylglycerols form a bilayer? gl...

NAU BIO 344 Posner Final Exam Questions with Correct Answers In a polarized cell, a barrier is created by a specific type of intercellular junction that maintains the separation of membrane proteins and between the apical and the basal sides of the cell. This barrier is called a: - Correct Answer tight junction What secondary structure found in proteins is often used to enable it to cross a membrane? - Correct Answer alpha helices An inhibitory acetylcholine receptor would - Correct Answe...

________ reacts with amino groups to form shift bases - aldehyde 8. What volume of 2 M HCl is required to completely titrate a 4 mmol monosodium aspartate (Asp.Na) solution? a. 2 ml b. 3 ml c. 4 ml d. 6 ml or more - C; 2x4 = 8 /2 = 4 ml A 42-amino acids peptide related to the extracellular Alzheimer amyloid deposits has the last few residues immersed in the membrane bilayer(must be nonpolar). Based on your knowledge about membrane proteins, which of the following sequences most probabl...

Amino acids link together by _______ to form proteins. correct answers Peptide bonds Nucleotides link together by a _____________ bond to form_________. correct answers Phosphodiester, nucleic acids _______________ link together by a glycosidic bond to form a ____________. correct answers Monosaccharides, polysaccharide What does DNA consist of? correct answers Nucleotides: consists of a nucleoside (nitrogenous base + deoxy/ribose sugar) and a phosphate group. What do lipids primaril...

Williams Basic Nutrition & Diet Therapy Exam (2024) || All Questions & Solutions (Expert Rated A+) Williams Basic Nutrition & Diet Therapy Exam (2024) || All Questions & Solutions (Expert Rated A+) The functions of fat in the body include - ANSWER - insulation of vital organs, temperature regulation, and cell membrane structure. The number of kilocalories from fat in a meal that contains 35 g fat - ANSWER - 315 The recommended total calories provided by fat in an 1800-calorie diet shou...