Have I been paying attention?
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This document lists key points from chapters 1 and 2, including the four macromolecules and their roles in cells, the structure and function of the cell membrane, and the process of protein production. Specifically, it asks about lipids in the plasma membrane, carbohydrate types, DNA vs RNA, protein structure levels, the fluid mosaic model of the cell membrane, and a flowchart of the organelles involved in protein production.
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What are the structural properties of phospholipid and detergents? What arrangements do
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function of the cell membranes:
selectively permeable to ions and organic molecules.
regulates the exchange of substances (movement of substances in and out of cells)
Communicate with other cells (embedded proteins act as receptors, and channels)
protect the cell from its surroundings
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cell membranes are composed double layer of phospholipids with embedded proteins
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The document is a PowerPoint presentation on cell structure and function. It begins by introducing the key points of cell theory: cells are the basic unit of life, cell structure and function are linked, and cells only arise from preexisting cells. It then discusses the diversity of cell types in the human body. The presentation goes on to describe the common features of the generalized cell, including the plasma membrane, cytoplasm, and nucleus. It focuses on the structure and functions of the plasma membrane, emphasizing the roles of membrane lipids and proteins in transport, signaling, enzymatic reactions, and other cellular processes.
Tour of the cell ppt questions chap6
This document contains 22 questions about key cellular structures and processes, including: the differences between prokaryotes and eukaryotes; the roles of organelle membranes; protein synthesis and packaging; energy production in cells; lysosome structure and function; apoptosis; consequences of lysosomal enzyme dysfunction; cellular energy conversion; similarities between mitochondria and chloroplasts; cytoskeleton components and functions; differences between microtubules and filaments; centriole structure and function; limits on cell size; the importance of surface area to volume ratio; and the role of the cell membrane.
Transcript for podcast
The podcast discusses the four main types of macromolecules: carbohydrates, lipids, proteins, and nucleic acids. Each are polymers made up of carbon that are formed through condensation reactions and broken down through hydrolysis. Carbohydrates include monosaccharides, disaccharides, and polysaccharides. Lipids are hydrophobic and include fats, phospholipids, and steroids. Proteins have four levels of structure - primary, secondary, tertiary, and quaternary - and perform important functions. Nucleic acids, like DNA and RNA, are made up of nucleotides containing nitrogenous bases like cytosine, adenine, guanine, thymine, and uracil.
Biological macromolecules carbohydrates, lipids, proteins, nucleic acids
The document introduces the four main macromolecules (carbohydrates, proteins, lipids, nucleic acids) found in living things. It discusses that macromolecules are polymers composed of simple repeating units called monomers. Each macromolecule is described in terms of its monomer, examples being amino acids for proteins and nucleotides for nucleic acids. Key functions of each macromolecule are also outlined, such as carbohydrates and lipids being used for energy storage and proteins being used for structure and enzyme functions. The document aims to teach students to identify, draw, and describe the essential characteristics of the four biological macromolecules.
1 _ BIOLOGICAL MOLECULES CARBOHYDRATES 1.pptx
The document discusses macromolecules and their building blocks of monomers and polymers. It defines key terms like monomer, polymer, and macromolecule. It states that covalent bonds join smaller molecules into polymers. The learning objectives are to define these terms and describe the role of covalent bonds in forming macromolecules.
I need full answered and labeling the pic also cycles well.Uni.docx
I need full answered and labeling the pic also cycles well.
Unit 1
•
Know the properties of life, examples of each property
•
Cell theory and hierarchy of life. : know the figure with shows molecules, cells, tissues, organs, organisms, etc.... also know how life is categorized by taxonomy
•
know what evolution is and how populations evolve.
•
know the difference between
prokaryotes
and
eukaryotes
•
How is science done? What are the two methods? What are the steps of the scientific method?
Unit 2
•
Describe atomic structure
•
What are the different types of bonds? How are they each formed? know the difference between a polar and non-polar bond and how that affects the ability of the molecule to dissolve in water (understand the difference between a hydrophobic and hydrophilic molecule)
•
Why is carbon important? What makes carbon a good molecule for biological material?
•
What is an acid, what is a base and what is buffer?
•
what types of reactions make and break complex molecules?
•
For each of the major macromolecules (
carbs
, lipids, proteins, nucleic acids), know: monomer structure, polymer structure, examples, functions, types of bonds used to form them
•
especially know the protein structure levels, the bonds that stabilize proteins, know what an amino acid is and its structure
Unit 3
•
What is the structure of a
eukaryotic
cell?
•
What limits cell size? What are the implications of this as a multicellular organism?
•
What is the nucleus, nucleolus, what is each responsible for?
•
What are ribosomes, where are they found? what do they do?
•
What is the ER for? What are the different types of ER, what does each type do?
•
What is the function of the
golgi
?
•
What are
lysosomes
and
peroxisomes
? What does each do? What is a vacuole?
•
What are the structures and functions of the
mitochondria
and chloroplast? How are these two organelles similar?
•
what is the function of the
cytoskeleton
?
•
Describe the structure of the plasma membrane. Why is a fluid mosaic?
•
What types of proteins are bound to the membrane
•
Why are membrane proteins important? How can we utilize them in medicine?
•
What factors affect the fluidity of the membrane?
•
How are cells connected to one another? What are the molecules that help establish those connections?
•
What is the Extracellular matrix (ECM)? what kinds of molecules are found in the ECM? Why are these molecules important?
•
Describe the various processes of membrane transport:
•
what substances passively diffuse across the membrane?
•
which types of molecules have moderate permeability? low and very low permeability?
•
how does water get across the membrane?
•
What are the different types of passive transport?
•
Describe the types of transporters.
•
describe the process of osmosis, be prepared to use the terms
hypotonic
,
hypertonic
and isotonic and be able to describe where water will move across the membrane.
•
Describe act.
cell revision.pptx
The document describes the key components and structures of animal cells. It discusses the constituents of cells, including water, ions, proteins, lipids and carbohydrates. It then describes the main organelles found in animal cells, including the nucleus, cytoplasm, cell membrane, mitochondria, endoplasmic reticulum, Golgi bodies, lysosomes and peroxisomes. It explains the functions of these organelles and how they work together to keep the cell alive.
cell and its organelles
1. A cell is the basic structural and functional unit of living organisms, with over 200 cell types that vary in shape, size, and function.
2. The plasma membrane defines the boundary of the cell and is composed of a lipid bilayer with embedded and peripheral proteins. It regulates what enters and exits the cell.
3. The cytoplasm contains organelles like mitochondria, ribosomes, the endoplasmic reticulum, Golgi apparatus, and lysosomes that carry out specialized functions to keep the cell working properly.
Bio molecules of life (Part 2)
The central dogma of molecular biology, the basic structure of nucleic acids, Genetic code, 4 levels of protein structure, Revision question with answers
Cells anatomy 2013
The document summarizes key aspects of cell structure and function according to the cell theory. It describes the basic components of cells, including the plasma membrane, nucleus, cytoplasm, and various organelles. It explains that cells are the basic structural and functional units of living organisms, and that their biochemical activities depend on their specific subcellular structures. The key cellular processes of protein synthesis and transport are also summarized.
Cell 1 final (1)
This document provides an introduction to histology and histological techniques. It discusses the objectives of understanding tissue preparation, staining, and microscopy. The main focus is on describing the structure and function of cells and their organelles. Key points covered include the nucleus and its components, membranous organelles like the mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes. Non-membranous structures like the cytoskeleton, centrioles, and ribosomes are also defined. The roles of these organelles in functions such as protein synthesis, energy production, and waste digestion are highlighted. Cell inclusions like pigments and glycogen are briefly mentioned as well.
Unit 1• Know the properties of life, examples of each pro.docx
Unit 1
• Know the properties of life, examples of each property
• Cell theory and hierarchy of life. : know the figure with shows molecules, cells, tissues,
organs, organisms, etc.... also know how life is categorized by taxonomy
• know what evolution is and how populations evolve.
• know the difference between prokaryotes and eukaryotes
• How is science done? What are the two methods? What are the steps of the scientific
method?
Unit 2
• Describe atomic structure
• What are the different types of bonds? How are they each formed? know the difference
between a polar and non-polar bond and how that affects the ability of the molecule to dissolve
in water (understand the difference between a hydrophobic and hydrophilic molecule)
• Why is carbon important? What makes carbon a good molecule for biological material?
• What is an acid, what is a base and what is buffer?
• what types of reactions make and break complex molecules?
• For each of the major macromolecules (carbs, lipids, proteins, nucleic acids), know: monomer
structure, polymer structure, examples, functions, types of bonds used to form them
• especially know the protein structure levels, the bonds that stabilize proteins, know what an
amino acid is and its structure
Unit 3
• What is the structure of a eukaryotic cell?
• What limits cell size? What are the implications of this as a multicellular organism?
• What is the nucleus, nucleolus, what is each responsible for?
• What are ribosomes, where are they found? what do they do?
• What is the ER for? What are the different types of ER, what does each type do?
• What is the function of the golgi?
• What are lysosomes and peroxisomes? What does each do? What is a vacuole?
• What are the structures and functions of the mitochondria and chloroplast? How are these
two organelles similar?
• what is the function of the cytoskeleton?
• Describe the structure of the plasma membrane. Why is a fluid mosaic?
• What types of proteins are bound to the membrane
• Why are membrane proteins important? How can we utilize them in medicine?
• What factors affect the fluidity of the membrane?
• How are cells connected to one another? What are the molecules that help establish those
connections?
• What is the Extracellular matrix (ECM)? what kinds of molecules are found in the ECM? Why
are these molecules important?
• Describe the various processes of membrane transport:
• what substances passively diffuse across the membrane?
• which types of molecules have moderate permeability? low and very low permeability?
• how does water get across the membrane?
• What are the different types of passive transport?
• Describe the types of transporters.
• describe the process of osmosis, be prepared to use the terms hypotonic, hypertonic and
isotonic and be able to describe where water will move across the membrane.
• Describe active transport, and membrane assiste ...
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Have I been paying attention?
- 1. Have I been paying attention?
- 2. Ch 1 – Key Points • List the four macromolecules and their subunits or monomers? • What is condensation polymerization? • What is the role of Lipids in cells? – What role do they play in the plasma membrane? • What is the role of Carbohydrates in cells? – What are the different types of carbohydrates? • What is the role of Nucleic Acids in cells – What’s the differences between DNA and RNA – What’s the complementary base pairing rule? • What is the role of Proteins in cells? – What are the different levels of structure in proteins?
- 4. Ch 2 – Key Points • Which part of the cell membrane is the – Fluid component, Mosaic component – Draw a phospholipid – which parts of hydrophilic, which parts are hydrophobic • Production of proteins – Draw a flowchart outlining the steps in the production of proteins – Make sure you list the organelles that are involved in this pathway