Polar lipids - Study guides, Class notes & Summaries

transport proteins - are responsible for controlling passage across the membrane fluid mosaic model - The membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails - nonpolar, hydrophobic fatty acid heads - hydrophilic, polar periphial proteins - bound to the surface of the membrane integral proteins - penetrate the hydrophobic core (ones that span the membrane are transmembrane protiens How do cells recognize each other? - by binding to molec...

Bacteria, archaea & eukaryotes arose __ years ago... - Answer-2.9 Billion Which one is not a cause of infectious death worldwide... - Answer-Ebola __ is the most infectious microbe caused through non-human transmission, while __ is the most infectious microbe caused by human-to-human transmission... - Answer-malaria, measles What is the only eradicated disease in the world... - Answer-small pox Which choice below lists emerging diseases... - Answer-HIV, SARS, Lassa Fever Species that are i...

Portage Learning BIOD 101 Modules 1, 2,3,4,5, and 6 | Actual Exam Tests Questions With Verified Answers What is matter and what states can it exist in? - ANSWER Matter is anything that takes up space, by having volume, and has mass. Can exist in a solid, liquid, or gaseous state. Explain the difference between essential and trace elements - ANSWER Essential elements are required for human life. Trace elements are only required in small quantities Describe an ionic bond - ANSWER fo...

Pathophysiology Exam 1 Study GuideA ______ is the basic structural unit of living things - correct answer Cell Cells that lack membrane bound organelles - correct answer Prokaryotic Cells that contain a nucleus and other membrane bound organelles - correct answer Eukaryotic Cells that contain peptidoglycan - correct answer Prokaryotic The overall cell theory gives what definition of what it means to be alive? - correct answer Living things are cellular organizations capable of reprod...

Matter can exist in which of the following states? Select all that apply. Gaseous Correct! Solid Correct! Catatonic Liquid Correct! Basic Ques 4 / 4 pts tion 2 4/3/22, 9:13 PM Module 1 Exam - Requires Respondus LockDown Browser + Webcam: Essential Biology I with Lab-2021- Bowman Your Answer: Fill-in-the-Blank: The foundational building blocks of proteins are the organic compounds ______, which are held together by ______ bonds. Amino acids peptide Answer: amino acids; peptide (See s...

Test Bank for Organic Chemistry 4e 4th Edition by David R. Klein. ISBN-13: 9594 Full chapters test bank PDF TABLE OF CONTENTS 1 A Review of General Chemistry: Electrons, Bonds, and Molecular Properties 1 1.1 Introduction to Organic Chemistry 2 1.2 The Structural Theory of Matter 3 1.3 Electrons, Bonds, and Lewis Structures 4 1.4 Identifying Formal Charges 7 1.5 Induction and Polar Covalent Bonds 8 1.6 Reading Bond-Line Structures 11 1.7 Atomic Orbitals 14 1.8 Valence Bond Theory 17 1.9 Molecular...

SEMMELWEIS ENTRANCE MEDICINE BIOLOGY EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ What are carbohydrates and lipids? Correct Answer: Organic compounds that are mostly composed of three types of atom; carbon, hydrogen and oxygen What do carbohydrates do? Correct Answer: provide energy, in the form of sugars like glucose and fructose, but they also make up structures like cellulose, which form the cell wall of plant cells What type of carbohydrate is...

Biochem Module 5 Questions and Answers 100% Verified Glycerol contains how many carbon atoms? - 3 - 4 - 5 - 15 - 3 Which of the following are derived from or made from fatty acids? - Cholesterol - Carotenoids - Phosphoglycerides - Both A and B - Both A and C - Phosphoglycerides Triacylglycerols are made from a ________ and ________. - glycerol; cholesterol Correct! - glycerol; three fatty acids - ceramide; three fatty acids - ceramide; three cholesterols - carotenoid; two cholester...

describe the basic functions all life forms must accomplish -response to environmental stimuli & maintain homeostasis -uptake and processing of nutrients/energy -regulation -growth and reproduction compare and contrast eukaryotic and prokaryotic cell types Prokaryotes: -circular chromosomes, no nucleus, no organelles, 3.5 bya -DNA concentrated in nucleoid Eukaryotes: -linear chromosomes, nucleus, organelles, 1.5 bya -DNA concentrated in nucleus Both: -cellular function takes p...

Portage Learning: Microbiology Final Exam Set Already Passed Microbiology is the study of what? Microbiology is the study of microbes (microorganisms and viruses) and their biological processes. What is the smallest biological unit of life? A cell What is a macromolecule? A macromolecule is classified as a complex molecule that is composed from smaller subunits. What are the four main types of macromolecules? Proteins, nucleic acids, lipids and carbohydrates What various functions do protein...

BIOL 1P91 Final Exam Questions And Verified Solutions What are the 3 general components that make up an atom? - ANS Protons Neutrons Electrons The sum of the atomic number and the number of neutrons is: - ANS A (the atomic number) Mass Number Which of the following is/ are a polar bond? A) O-H bond in water * B) C-O in CO2 C) N-N in N2 D) all of the above E) two of the above - ANS A) O-H bond in water A substance dissolvable in oil is said to be: - ANS Hydrophobic...