Cotransport Study guides, Revision notes & Summaries

Micelles - Answer-single layer of phospholipids, important in fat digestion/absorption Liposomes - Answer-large spheres with bilayer phospholipids walls and hollow center Phospholipid bilayer - Answer-sheets of bilayer phospholipid walls found in membranes sphingolipids - Answer-longer, head is sphingosine cholestrol - Answer-hydrophobic, insert between phospholipids integral proteins - Answer-tightly bound, hydrophobic, hard to remove lipid-anchored proteins - Answer-bound to lipid tails;...

Biology Midterm 2 Study Guide Exam Questions With Verified Answers which of the following is responsible for the formation of alpha-helices and beta-pleated sheets in a protein? a. ionic bonding between polypeptide subunits b. hydrogen bonds between R-groups of amino acids c. disulfide bonds between cysteine R-groups d. hydrogen bonding within with protein backbone - answerd. hydrogen bonding within the protein backbone secondary structure such as alpha helices and beta-plated sheets fo...

Bio 180 Exam 5 BYUI Questions and Answers Already Passed Lipid-soluble signal molecules, such as testosterone, cross the membranes of all cells but affect only target cells because: Intracellular receptors are present only in target cells. Which type of receptor is most associated with metabolism, cell growth, and cell division? Tyrosine kinase receptors Which type of receptor is a dimer that when bound to the proper ligand autophosphorylates? Tyrosine kinase receptors A drug designed to inh...

BIO 256 Final Exam 2023 BIO 256 Final Exam 1. Which involves movement of nutrients from food you have eaten from the gastrintestinal tract to the blood or lymph: absorption 2. Which brand of the nervous system inhibits salivation and caused you to have a dry mouth: sympathetic nervous system 3. Which of these is not a component of saliva: nitric oxide 4. Which stomach cells produce hydrochloric acid: parietal cells 5. The function of small intestine microvilli is: increas...

By what process is water reabsorbed from the filtrate? A) Osmosis B) Active transport C) Cotransport D) Capillary action - A Choose the basic cause of osteodystrophy associated with chronic renal failure. A) Development of hypercalcemia B) Deficit of parathyroid hormone C) Failure of the kidney to activate vitamin D D) Excessive loss of phosphate ion - C Circulatory shock causes: A) decreased GFR and increased renin secretion. B) increased ADH and decreased aldosterone secretion. C)...

Resting Membrane Potential Electrical gradients (such as the transmembrane voltage or RMP) only affects what kind of molecules? - correct answer The RMP is needed for the Na+-dependent cotransport of glucose, amino acids & other solutes into cells. 2.) What is the range of magnitudes (in millivolts) of the resting membrane potential (RMP) of human cells? - correct answer The magnitude of the RMP is between - 20 millivolts(mV) and - 100 mV, depending upon cell type & activity. 3.) Is the i...

Bio 1201 exam 2 gregg Questions With 100% Correct Answers transport proteins - answerare responsible for controlling passage across the membrane fluid mosaic model - answerThe membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails - answernonpolar, hydrophobic fatty acid heads - answerhydrophilic, polar periphial proteins - answerbound to the surface of the membrane integral proteins - answerpenetrate the hydrophobic core (ones that span th...

Bio 1201 exam 2 gregg Exam Questions With 100% Correct Answers transport proteins - answerare responsible for controlling passage across the membrane fluid mosaic model - answerThe membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails - answernonpolar, hydrophobic fatty acid heads - answerhydrophilic, polar periphial proteins - answerbound to the surface of the membrane integral proteins - answerpenetrate the hydrophobic core (ones that sp...

Porth’s Essentials of Pathophysiology 5th Edition Test Bank Chapter 1-46 (VERIFIED GUIDE ) Although the basic structure of the cell plasma membrane is formed by a lipid bilayer, most of the specific membrane functions are carried out by: A) Bound and transmembrane proteins B) Complex, long carbohydrate chains ) Surface antigens and hormone receptors D) A gating system of selective ion channels Ans: A Feedback: The functions of plasma membrane depend on the presence of proteins that ar...

Fluid and electrolyte balance EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES|AGRADE How can Kidneys regulate blood pressure? - ANSWER- By regulating water balance How do kidneys prevent shifting of water? - ANSWER- By producing urine of different osmolarity by varying the amount of water reabsorbed by the kidneys Where does the majority of water get reabsorbed? - ANSWER- PCT ~70% What ion is primarily responsible for creating the osmotic gradient causing the movement of...