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Slide 1 Cells are the fundamental structural units of life
Slide 1 Cells are the fundamental structural units of life

... The plasma membrane is a semi-permeable membrane enclosing the cytoplasm. The cell wall, found on most prokaryotes, is a rigid structure outside the plasma membrane. This wall protects the cell and helps it to maintain its shape. Some bacteria are enclosed within a sticky outer coat called a capsul ...
Slides - gserianne.com
Slides - gserianne.com

... Osmotic Pressure – ability of osmosis to generate enough pressure to move a volume of water *Osmotic pressure increases as the number of nonpermeable solutes particles increases 0.9% NaCl • isotonic – same 5.0% Glucose osmotic pressure as a second solution Figure from: Hole’s Human A&P, 12th edition ...
Sample test – biology - Тракийски Университет
Sample test – biology - Тракийски Университет

... c. Synapsis and crossingover occur during meiosis II d. Karyokinesis occurs before cytokinesis 18. How many different types of gametes could be produced by an individual with the genotype aaBbcc: a. four b. three c. two d. one 19. When there are 2 alleles for a gene and both make a protein product t ...
Standard B-2
Standard B-2

... • The necessity of the organism to maintain constant or stable conditions. Examples: #1 -Your body maintains the same body temperature. That is homeostasis. #2- Your body maintains a constant blood sugar level. Normal blood sugar is about 100 mg/ cm3 ...
Biology 2154 Study Guide #2 Chapter 20: 1. List structural
Biology 2154 Study Guide #2 Chapter 20: 1. List structural

... 5. Trace air through the human respiratory tract. 6. Define inspiration and expiration. Which way does the diaphragm move? 7. What part of the brain is associated with breathing? 8. Explain what happens to blood pH when blood CO2 increases and decreases. Remember the chemical formula covered in clas ...
Basics of Cell Culture
Basics of Cell Culture

... cardiac, epithelial tissue (liver, breast, skin, kidney) and many types of tumor cells. ...
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... Surface Area to Volume Ratio = 2 : 1 3. As a cell grows, its need for oxygen increases faster than its ability to get oxygen. So the cell must divide or suffocate ...
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... At any one time are most cells dividing or not-dividing? ___________________________ ...
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... 1. Organisms vary and these variations (genes) are inherited by their offspring. 2. Organisms produce more offspring than can possibly survive in nature. ...
The organization of animal and plant cells
The organization of animal and plant cells

... common green pigment chlorophyll) absorb sunlight and use this energy to complete the chemical reaction: 6 CO2 + 6 H2O + energy (from sunlight) C6H12O6 + 6 O2 In this way, plant cells manufacture glucose and other carbohydrates that they can store for later use. Organisms contain many different type ...
Fungi: Plant, Animal, or Something Else Entirely?
Fungi: Plant, Animal, or Something Else Entirely?

... Fungi Can . . . • grow in soil. • have one cell or many cells. • reproduce by spores, which are similar to seeds. • have more than one cell nucleus. ...
Cell Pats and Movement Across Memebranes
Cell Pats and Movement Across Memebranes

...  Nuclear Pores: protein channels for transport  Nucleolus: small, dense body inside the nucleus  Form ribosomes  Chromatin: loosely coiled DNA ...
CELL INJURY AND DEATH
CELL INJURY AND DEATH

... • Development of profound disturbances in membrane function. • Therefore,in cardiac muscle death there is leakage of CKMB & troponin. • In injury to bile duct epithelium & liver,serum alkaline phosphatase is raised. • In hepatocyte injury,transaminases are raised. ...
Life Science CRCT Study Guide 1
Life Science CRCT Study Guide 1

... from one organism to another, such as: -from the sun to producer -from producer to primary consumer -from primary consumer to secondary consumer -from secondary consumer to tertiary consumer -from tertiary consumer to decomposer -from decomposer back to the producer * All matter, nutrients, energy, ...
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Without looking at the word bank on the next page, complete the
Without looking at the word bank on the next page, complete the

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CHAPTER 3 OBJECTIVES: CELLS
CHAPTER 3 OBJECTIVES: CELLS

... Sketch a typical cell membrane, label the components, name a term that describes the permeability of this membrane, and describe the factors that determine whether a substance/ particle will pass through the cell membrane. ...
Prokaryotic Cell Eukaryotic Cell
Prokaryotic Cell Eukaryotic Cell

... PIECES! OR Use the individual pieces to label some of the parts. 2. Label as many parts as you can, including but not limited to organelles, cell walls, and genetic material (if present). ...
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Freeman 1e: How we got there
Freeman 1e: How we got there

... technology (Figure 2.6), these organelles have been shown to be highly derived ancestors of specific lineages of Bacteria (Figure 2.7). ...
Exploring a Plant Cell
Exploring a Plant Cell

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Biology Vocabulary 5, test on Friday, 9/25/15
Biology Vocabulary 5, test on Friday, 9/25/15

... selective permeability vacuole ...
Chapter 4 A Tour of the Cell Overview The cell is the fundamental
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... Introduction The study of cellular function is an extremely important aspect of biology. Since all organisms are comprised of cells, and we have defined the cell as the basic unit of life, we must understand the structure and function of the cell before proceeding into discussions of metabolism and ...
Cell Lecture I
Cell Lecture I

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Exploring a Plant Cell:
Exploring a Plant Cell:

... Name:_____________________________ Block:_________________ ...
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Organ-on-a-chip

An organ-on-a-chip (OC) is a multi-channel 3-D microfluidic cell culture chip that simulates the activities, mechanics and physiological response of entire organs and organ systems. It constitutes the subject matter of significant biomedical engineering research, more precisely in bio-MEMS. The convergence of labs-on-chips (LOCs) and cell biology has permitted the study of human physiology in an organ-specific context, introducing a novel model of in vitro multicellular human organisms. One day, they will perhaps abolish the need for animals in drug development and toxin testing.Although multiple publications claim to have translated organ functions onto this interface, the movement towards this microfluidic application is still in its infancy. Organs-on-chips will vary in design and approach between different researchers. As such, validation and optimization of these systems will likely be a long process. Organs that have been simulated by microfluidic devices include the heart, the lung, kidney, artery, bone, cartilage, skin and more.Nevertheless, building valid artificial organs requires not only a precise cellular manipulation, but a detailed understanding of the human body’s fundamental intricate response to any event. A common concern with organs-on-chips lies in the isolation of organs during testing. ""If you don’t use as close to the total physiological system that you can, you’re likely to run into troubles"" says William Haseltine, founder of Rockville, Maryland. Microfabrication, microelectronics and microfluidics offer the prospect of modeling sophisticated in vitro physiological responses under accurately simulated conditions.
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