1201 Study guides, Class notes & Summaries

why are membranes called phospholipid bilayers? - Answer-phospholipids have hydrophilic head and hydrophobic tail, hydrophobic face inside of cell making 2 layers what is meant by fluid mosaic? - Answer-Mosaic of proteins drifting laterally in fluid bilayer of phospholipids how are membranes adjusted for different temperatures? - Answer-membrane fluidity adjusted by changing the ratio of unsaturated to saturated fatty acids how do the relative amounts of saturated and unsaturated fats chan...

HUN 1201 Final Exam (Chapters 1-7) With 100% Correct Answers 2023

Of the following functions, which is most important for the glycoproteins and glycolipids of animal cell membranes? A)facilitated diffusion of molecules down their concentration gradients B)active transport of molecules against their concentration gradients C)maintaining the integrity of fluid mosaic membrane D)maintaining membrane at low temperatures E)a cell's ability to distinguish one type of neighboring cell from another - Answer-E)a cell's ability to distinguish one type of neighb...

HUN 1201 Midterm Exam With 100% Correct Answers 2023

An element has 8 protons, 9 neutrons, and 8 electrons. What are its atomic number and mass? - 8 and 17 How many and what type of bonds does sulfur usually form in biology? - 2 covalent A molecule that has all non polar covalent bonds would be________. - hydrophobic What substance makes up the interior of a potato tuber? - starch What is an example of a lipid? - triglyceride One characteristic shared by sucrose, lactose, and maltose is that __________. -they are all dissacharides The over...

AQA AS PSYCHOLOGY 7181/2 Paper 2 Psychology in context Version: 1.0 Final *JUN* IB/G/Jun23/E10 7181/2 For Examiner’s Use Section Mark A B C TOTAL Monday 22 May 2023 Afternoon Time allowed: 1 hour 30 minutes Materials For this paper you may use: • a 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 t...

AQA AS BIOLOGY 7401/2 Paper 2 Version: 1.0 Final *JUN* IB/M/Jun23/E9 7401/2 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL Thursday 25 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 question...

HUN1201 Mosing Midterm Exam With 100% Correct Answers 2023

MATH 1201 FINAL PROCTORED EXAMS FOR COLLEGE ALGEBRA- University of the People/MATH 1201 FINAL PROCTORED EXAMS FOR COLLEGE ALGEBRA- University of the People/MATH 1201 FINAL PROCTORED EXAMS FOR COLLEGE ALGEBRA- University of the People/MATH 1201 FINAL PROCTORED EXAMS FOR COLLEGE ALGEBRA- University of the People/MATH 1201 FINAL PROCTORED EXAMS FOR COLLEGE ALGEBRA- University of the People

What is a vitamin A deficiency? - night blindness What causes rickets? - vitamin d deficiency An example of Vitamin D? - fortified milk High intakes of of folic acid mask what deficiency? - vitamin B12 Why do older adults needs more vitamin B6? - utilization is low / Lack of gastric acid Fluoride is beneficial for what purposes? - preventing dental caries What is a water distribution in a person is related to? - Muscle mass (lean) What is the percentage of body weight consist of water? - ...