Phospholipid bilayer - Study guides, Class notes & Summaries

AQA AS BIOLOGY 7401/1 Paper 1 Version: 1.0 Final *JUN* IB/M/Jun23/E8 7401/1 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 TOTAL 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 t...

Phosphorus has an atomic number of 15. This tells us that... - Answer-there must be 15 protons True or False: covalent bonds are stronger than ionic and hydrogen bonds because atoms that are joined with covalent bonds share electrons - Answer-True An e- in a hydrogen atom exists in the first valence shell. The valence e- of Aluminum exist in the 3rd shell. Which valence shell e- have higher potential energy and why? - Answer-the valence e- of aluminum, bc higher e- shells have higher energy...

Cell component responsible for energy production; powerhouse of the cell Answer: Mitochondria QUESTION Organelle responsible for protein synthesis Answer: Ribosomes QUESTION Network of protein filaments that aid in intracellular support, cell movement, and moves organelles. Answer: Cytoskeleton QUESTION The basic unit of structure and function in all living things. Composed of plasma (cell membrane), cytoplasm, cytosol, nucleus, and cy...

Phospholipid Bilayer New Update Exam...

Phospholipid Bilayer Exam Questions And Correct Answers...

Glycoproteins Ans: carbohydrate attatched to a protein (plays role in cell recognition as well as communication) carbohydrate Ans: long chains of sugars Glycolipids Ans: attached to lipid bilayer itself (plays role in cell recognition as will as communication) Phospholipid tails Ans: no polar, hydrophobic Phospholipid head Ans: polar, hydrophilic 2 peripheral protein Ans: (on outside) can release certain molecules cholesterol Ans: helps keep the rigidity, keeps things together ...

The structure of the membrane is directly related to its? Ans: function Membranes Create ______ environments Ans: two : inside and out Membranes ultimately have to separate two ??? Ans: regions of water organelle membranes Ans: also separate their inner environment from the inside of the cell key property of water that influences the structure of membranes Ans: it's polar and partially changed and hydrophillic 2 Hydrophobic molecules can reorganize ____ Ans: water membrane lipids a...

NAS 2 Challenge Exam (2023/2024) 100+ Questions and Verified Answers| Already Graded A Q: Define organic compounds and list the 4 major groups of organic compounds in the body Answer: All organic compounds contain carbon and hydrogen. 1. Carbohydrates 2. Lipids 3. Proteins 4. Nucleic Acids Q: Define carbohydrates. Name the elements that make-up carbohydrates Answer: Sugars (saccharide) and starches that are formed by a 1:2:1 ratio of carbon (C), Hydrogen (H), and Oxygen (...

Phospholipid Bilayer Exam With Verified Solution @ 2024...

Phospholipid Bilayer Exam 1 Questions And Answers...