Unit 3 (part 1) Study Guide Objectives: Can you….? List the
... Usually found at center of cell Has a nuclear membrane which contains nuclear pores Contains cell's DNA in one of 2 forms o chromatin- DNA bound to protein (non-dividing cell) o chromosomes- condesed structures seen in dividing cell Also contains an organelle called nucleolus - which makes the cell’ ...
... Usually found at center of cell Has a nuclear membrane which contains nuclear pores Contains cell's DNA in one of 2 forms o chromatin- DNA bound to protein (non-dividing cell) o chromosomes- condesed structures seen in dividing cell Also contains an organelle called nucleolus - which makes the cell’ ...
CELLS
... Eukaryotes include all other cells & have a nucleus and membrane-bound organelles (protozoans, fungi, plants, & animals) ...
... Eukaryotes include all other cells & have a nucleus and membrane-bound organelles (protozoans, fungi, plants, & animals) ...
BIOLOGY-FORM-1-EXAM-2Q
... 22.)In an analysis of plants growing in pond water, a student noticed that K+ions were always higher in the cell sap than in the pond water yet the plant was still able to absorb water. a)Suggest a physiological process that made this possible ...
... 22.)In an analysis of plants growing in pond water, a student noticed that K+ions were always higher in the cell sap than in the pond water yet the plant was still able to absorb water. a)Suggest a physiological process that made this possible ...
To: - Structural Informatics Group
... 3. I don’t know what the parts are of the membrane that surrounds a eukaryotic cell. Plasma membrane may be too specific for eukaryotic cells, yet just “membrane’ as used in the Stedman definition is not specific enough. Any suggestions from those of you who know about prokaryotic cells? Do prokaryo ...
... 3. I don’t know what the parts are of the membrane that surrounds a eukaryotic cell. Plasma membrane may be too specific for eukaryotic cells, yet just “membrane’ as used in the Stedman definition is not specific enough. Any suggestions from those of you who know about prokaryotic cells? Do prokaryo ...
Transport Notes
... • As you read, make note of what happens to the cell in each solution and why. • Take notes in the Types of solutions ...
... • As you read, make note of what happens to the cell in each solution and why. • Take notes in the Types of solutions ...
Cell City Background Information
... Cells are the basic building blocks of all living things. Cells have many different parts and each part has a different function. Cells are made of atoms, which are the tiniest units of matter. Cells have different sizes, shapes, and jobs to do. There are many different types of cells, but you will ...
... Cells are the basic building blocks of all living things. Cells have many different parts and each part has a different function. Cells are made of atoms, which are the tiniest units of matter. Cells have different sizes, shapes, and jobs to do. There are many different types of cells, but you will ...
Cells and Diffusion
... 1. The fact that large numbers of mitochondria are observed in the tubule cells of nephrons suggests that the nephron is involved in the process of a. active transport c. osmosis b. passive transport d. diffusion 2. Water and minerals move from the soil into a plant by the process of a. diffusion, o ...
... 1. The fact that large numbers of mitochondria are observed in the tubule cells of nephrons suggests that the nephron is involved in the process of a. active transport c. osmosis b. passive transport d. diffusion 2. Water and minerals move from the soil into a plant by the process of a. diffusion, o ...
The Four Stages of Mitosis
... Metaphase plate – plane of the equator of the spindle into the which chromosomes are positioned during ...
... Metaphase plate – plane of the equator of the spindle into the which chromosomes are positioned during ...
Cells – the basic unit of life
... • Water is essential to the health all living things...because water ensures the proper functioning of cells that make up living things. ...
... • Water is essential to the health all living things...because water ensures the proper functioning of cells that make up living things. ...
Document
... energy from the cell (diffusion, facilitated diffusion, osmosis, and filtration). Where does the energy for passive transport come from? A concentration gradient Is a cell required for these mechanisms to occur? No diffusion: from area of _higher_ concentration to area of __lower_ concentration to r ...
... energy from the cell (diffusion, facilitated diffusion, osmosis, and filtration). Where does the energy for passive transport come from? A concentration gradient Is a cell required for these mechanisms to occur? No diffusion: from area of _higher_ concentration to area of __lower_ concentration to r ...
1. If the external environment of a living cell has a greater
... (2) Salt is actively transported across cell membranes. (3) The nucleus does not regulate water balance in a cell. (4) Osmosis may occur in either direction across the cell membrane. 11. The diagram below represents the change that occurred after a fluid was added to a wet mount of some elodea leaf ...
... (2) Salt is actively transported across cell membranes. (3) The nucleus does not regulate water balance in a cell. (4) Osmosis may occur in either direction across the cell membrane. 11. The diagram below represents the change that occurred after a fluid was added to a wet mount of some elodea leaf ...
plant cells
... ribonucleic acid (RNA) in the nucleus to translation of proteins on ribosomes in the cytoplasm. e. the role of the endoplasmic reticulum and Golgi apparatus in the secretion of proteins. f. usable energy is captured from sunlight by chloroplasts and is stored through the synthesis of sugar from carb ...
... ribonucleic acid (RNA) in the nucleus to translation of proteins on ribosomes in the cytoplasm. e. the role of the endoplasmic reticulum and Golgi apparatus in the secretion of proteins. f. usable energy is captured from sunlight by chloroplasts and is stored through the synthesis of sugar from carb ...
Tài liệu PDF
... other proteins that work together to recruit new membrane and cell-wall materials to the site. FtsZ proteins can form filaments, rings, and other three-dimensional structures resembling the way tubulin forms microtubules, centrioles, and various cytoskeleton components. In addition, both FtsZ and tu ...
... other proteins that work together to recruit new membrane and cell-wall materials to the site. FtsZ proteins can form filaments, rings, and other three-dimensional structures resembling the way tubulin forms microtubules, centrioles, and various cytoskeleton components. In addition, both FtsZ and tu ...
WINTER ASSIGNMENT OF BIOLOGY CLASS
... 2 ‘Ribosomes’ are associated with synthesis of (a) Fats (b) Protein (c) Carbohydrates (d) Vitamins 3 The membrane surrouding a vacuole in plant cell is known as – (a) Plasma membrane (b) Nuclear membrane (c) Tonoplast (d) cell wall 4 Select the odd one out – (a) The movement of water across a semi – ...
... 2 ‘Ribosomes’ are associated with synthesis of (a) Fats (b) Protein (c) Carbohydrates (d) Vitamins 3 The membrane surrouding a vacuole in plant cell is known as – (a) Plasma membrane (b) Nuclear membrane (c) Tonoplast (d) cell wall 4 Select the odd one out – (a) The movement of water across a semi – ...
cellular transport regent
... Water balance between cells and their surroundings is crucial to organisms • Osmosis causes cells to shrink in a hypertonic solution and swell in a hypotonic solution – The control of water ...
... Water balance between cells and their surroundings is crucial to organisms • Osmosis causes cells to shrink in a hypertonic solution and swell in a hypotonic solution – The control of water ...
Advanced Biology - Dwight Public Schools
... Other pseudopodia retract and cytoplasm flows in direction of new pseudopodium ...
... Other pseudopodia retract and cytoplasm flows in direction of new pseudopodium ...
Spindle fibers
... Mitosis begins (cell begins to divide) Centrioles (or poles) appear and begin to move to opposite ends of the cell. Spindle fibers form between the poles. Centrioles Sister chromatids ...
... Mitosis begins (cell begins to divide) Centrioles (or poles) appear and begin to move to opposite ends of the cell. Spindle fibers form between the poles. Centrioles Sister chromatids ...
Cell Transport
... • Active transport is the transport of a molecule across a membrane AGAINST its concentration gradient and requires energy. • We eat food containing nutrients for energy, glucose being one of them. – Recall: glucose cannot be stored inside body as it is water-soluble, so it must be converted into gl ...
... • Active transport is the transport of a molecule across a membrane AGAINST its concentration gradient and requires energy. • We eat food containing nutrients for energy, glucose being one of them. – Recall: glucose cannot be stored inside body as it is water-soluble, so it must be converted into gl ...
Majestic Membranes
... helps maintain cell shape and coordinate exchange between extra/intra cellular ...
... helps maintain cell shape and coordinate exchange between extra/intra cellular ...
Introductory Biology - Organelle Identification Practical (Week 8)
... Draw a simple diagram of just one of the cells in the space below and label it with as many structures as you can see. ...
... Draw a simple diagram of just one of the cells in the space below and label it with as many structures as you can see. ...
S10 8.1 notes - Cochrane High School
... 3 jobs of the cell membrane 1. THE CELL MEMBRANE PROTECTS THE CELL ORGANELLES It’s a barrier: it keeps _____________________________________ out, keeps __________________ in. 2. THE CELL MEMBRANE HELPS WITH CELL ORGANIZATION. Organizes by surrounding and packaging materials into vesicles (i.e. lysos ...
... 3 jobs of the cell membrane 1. THE CELL MEMBRANE PROTECTS THE CELL ORGANELLES It’s a barrier: it keeps _____________________________________ out, keeps __________________ in. 2. THE CELL MEMBRANE HELPS WITH CELL ORGANIZATION. Organizes by surrounding and packaging materials into vesicles (i.e. lysos ...
Animal-like Protista
... In multiple fission many nuclear divisions precede the rapid differentiation of the cytoplasm into many distinct individuals In budding a portion of the parent breaks off and differentiates into a new individual Many protozoans possess the capacity for encystment and excystment During encystment, su ...
... In multiple fission many nuclear divisions precede the rapid differentiation of the cytoplasm into many distinct individuals In budding a portion of the parent breaks off and differentiates into a new individual Many protozoans possess the capacity for encystment and excystment During encystment, su ...
Diffusion Lab Review
... 9. Base your answer to the following question on the information and diagram below and on your knowledge of biology. Two models of a cell were made with dialysis tubing and placed in two beakers of fluid, A and B, each containing starch indicator solution, as represented in the diagram below. Enzym ...
... 9. Base your answer to the following question on the information and diagram below and on your knowledge of biology. Two models of a cell were made with dialysis tubing and placed in two beakers of fluid, A and B, each containing starch indicator solution, as represented in the diagram below. Enzym ...
6th Grade
... An animal _____ is different from a plant ____ because it does not have chloroplasts. 2. The sugar cookie has white frosting on it to represent the _________. How does this help the cell? ______________________________________________. 3. The first step to making your animal ___ is to place two lon ...
... An animal _____ is different from a plant ____ because it does not have chloroplasts. 2. The sugar cookie has white frosting on it to represent the _________. How does this help the cell? ______________________________________________. 3. The first step to making your animal ___ is to place two lon ...
Cytoplasmic streaming
Cytoplasmic streaming, also called protoplasmic streaming and cyclosis, is the directed flow of cytosol (the liquid component of the cytoplasm) and organelles around large fungal and plant cells through the mediation of actin. This movement aids in the delivery of organelles, nutrients, metabolites, genetic information, and other materials to all parts of the cell. Cytoplasmic streaming occurs along actin filaments in the cytoskeleton of the cell.Cytoplasmic streaming was first discovered in the 1830s. The scientific breakthrough assisted scientists in developing an understanding of the different roles of cells and how they function as the basic operating systems of life.This process occurs through the operation of motor proteins called myosins.These proteins use energy of adenosine triphosphate (ATP) to act as a molecular motor, which slides along actin filaments. This works in a manner that tows the organelles and other cytoplasmic contents in the same direction. Myosin proteins consist of two conjoined proteins. If one protein remains attached to the substrate, the substance acted upon by the protein, such as a microfilament, has the ability to move organelles through the cytoplasm.The green alga genus Chara and other genera in the Division Charophyta, such as Coleochaete, are thought to be the closest relatives of land plants. These haploid organisms contain some of the largest plant cells on earth, a single cell of which can reach up to 10 cm in length. The large size of these cells demands an efficient means to distribute resources, which is enabled via cytoplasmic streaming.Cytoplasmic streaming is strongly dependent upon intracellular pH and temperature. It has been observed that the effect of temperature on cytoplasmic streaming created linear variance and dependence at different high temperatures in comparison to low temperatures. This process is complicated, with temperature alterations in the system increasing its efficiency, with other factors such as the transport of ions across the membrane being simultaneously affected. This is due to cells homeostasis depending upon active transport which may be affected at some critical temperatures.In plant cells, chloroplasts may be moved around with the stream, possibly to a position of optimum light absorption for photosynthesis. The rate of motion is usually affected by light exposure, temperature, and pH levels.In reference to pH, because actin and myosin are both proteins, strong dependence on pH is expected. The optimal pH at which cytoplasmic streaming is highest, is achieved at neutral pH and decreases at both low and high pH.The flow of cytoplasm may be stopped by:Adding Lugol's iodine solutionAdding Cytochalasin D (dissolved in dimethyl sulfoxide)↑ ↑ ↑ ↑ ↑ ↑