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Cell Analogy
Cell Analogy

... outside of a house because just like the bricks protect the house, the cell wall protects the cell. ...
Lecture 2 - cell assembly
Lecture 2 - cell assembly

... • Nucleoid – DNA of the organism – it is not contained by a nuclear membrane (as eukaryote cell) • Ribosomes – made of ribosomal RNA and protein  these are responsible for making proteins • Vacuoles or vesicles – spaces in the cytoplasm that can store solids or gases • Organelles – structures speci ...
Extra Membrane Ideas P.P - SchoolWorld an Edline Solution
Extra Membrane Ideas P.P - SchoolWorld an Edline Solution

... • *** Selectively Permeable*** - membranes that only allow ______________ things through. For example, a membrane might allow little things like _______________ to ___________ through it but not have holes that allow larger things like ___________ or ________________ to pass through. • Selectively ...
REGULATION OF CDK7 ACTIVITY THROUGH A PI (3)-KINASE/ PKC- MEDIATED CELL PROLIFERATION CASCADE
REGULATION OF CDK7 ACTIVITY THROUGH A PI (3)-KINASE/ PKC- MEDIATED CELL PROLIFERATION CASCADE

... and proliferation in glioblastoma. PKC-ι is highly over expressed in human glioma and benign and malignant meningioma however little is understood about its role in glioma cell proliferation. Several upstream molecular aberrations and/or loss of PTEN have been implicated to constitutively activate P ...
Enzymes have an optimum temperature at which they work best
Enzymes have an optimum temperature at which they work best

... 17) Describe/label/and or explain the three diagrams below ...
Chapter 7 Test
Chapter 7 Test

... 25. In a cell, the breakdown of glucose molecules in order to release energy occurs in the ____________________. a. chloroplasts c. mitochondria b. endoplasmic reticulum d. cytoplasm 26. In a cell, the sites of protein synthesis are the ____________________. a. ribososmes c. lysosomes b. vacuoles d ...
Description
Description

... •small, round sacs in cytoplasm •contain digestive enzymes ...
Glycolipids and Glyc..
Glycolipids and Glyc..

... an aliphatic amino acid and X any C-terminal amino acid. Many cytoplasmic proteins associated with cell surface receptors are linked by palmitoyl chains to the membrane. Often, deacylation inactivates the proteins because they are now released from the membrane. G-proteins and kinases are thought to ...
MADANIA (High School) Grade 10-Biology
MADANIA (High School) Grade 10-Biology

... hydrophilic phosphate group (head) and two non polar hydrophobic fatty acid tails. Phospholipids form a two-layer sheet called a phospholipid bilayer.  The proteins are embedded in a framework of phospholipids to help move molecules in and out of the cell.  In animal cells the steroid cholesterol ...
extreme conditions
extreme conditions

... • Almost never capable of movement • Build cell walls that don’t contain cellulose • They have many nucleii but do not always have complete cell walls between them. ...
The human brain is a 3 pound mass of fatty tissue that controls all
The human brain is a 3 pound mass of fatty tissue that controls all

... neurotransmitters that are released by neurons at the synapse. They also help axons in the peripheral nervous system (outside of the brain and the spinal cord) to regenerate and find their target after they are injured. When a peripheral nerve is cut, the portion of the axon that was separated from ...
Inhibition of Regenerative Responses in the Salamander
Inhibition of Regenerative Responses in the Salamander

... in humans. Previous studies have characterized the process, but the complete mechanism has yet to be unraveled. The same genes expressed during limb development have been identified in regenerating limbs, indicating the re-expression of developmental genes during regeneration. It has been speculated ...
MCB Lecture 3 – ER and Golgi
MCB Lecture 3 – ER and Golgi

... Answer the following questions regarding this concept: o What does an LDL-R Mutation cause?  Misfolding in the LDL Receptor Protein o When the protein is misfolded, what is the result?  The receptor does not make it to the plasma membrane, so the free LDL outside of the cell cannot come in. o What ...
Mitosis - School District 206 / Overview
Mitosis - School District 206 / Overview

... ...
Split Notes Cells and Life October 28, 2013
Split Notes Cells and Life October 28, 2013

... includes instructions for cell growth, cell reproduction, and cell processes that allow a cell to respond to its environment. DNA is used to make RNA. RNA is used to make proteins. ...
Wednesday, September 20, 2006
Wednesday, September 20, 2006

... 2. Transport proteins can be saturated therefore, they have a maximum rate of moving stuff due to limited # of proteins within membrane 3. Transport proteins can be inhibited 4. ‘Catalyze’ physical movement of stuff that would not be able to cross membrane B. Molecules move down concentration gradie ...
Virtual+Lab+Lesson+3+Part+A
Virtual+Lab+Lesson+3+Part+A

... Describe the function/appearance for each of the organelles: Golgi Apparatus 3. Function: 4. Structure: 5. What happens to the proteins after the Golgi apparatus? Lysosomes 6. Contents: 7. Function: 8. What happens to the products after the lysosomes? Mitochondria 9. What takes place in the mitochon ...
Effect of arachidonic acid on specific binding of [3H]naloxone to
Effect of arachidonic acid on specific binding of [3H]naloxone to

... studies can not be explained simply by a negative feedback mechanism between the second messenger and the receptor site, since the concentration of AA that was used in our experimental system is much above the free physiological concentration of AA. Therefore, the effect of AA must be due to an indi ...
Mitosis Notes - Roslyn Public Schools
Mitosis Notes - Roslyn Public Schools

... Growing, or healing an injury). Occurs in both plants and animals: asexual reproduction, (starting a new plant from a stem/leaf of another one) o Method: mitosis involves one duplication of nuclear material, and one division of the cell. Chromosome number is maintained (diploid  diploid (normal chr ...
Cell City
Cell City

... Think of the cell as a microscopic city. Like a real city it requires many services to keep it clean and running smoothly. Think of some of the services a real city needs: traffic control, waste disposal, and authority figure just to name a few. Like our imagined city a cell needs the same services. ...
Plasma Membrane Notes (7.2)
Plasma Membrane Notes (7.2)

... Selective Permeability  Property of the membrane that allows certain materials to ____________ ____________ the cell while keeping others ____________  It also allows ____________ cells to perform different activities within the ____________ organism.  Example: Human nerve cells respond to a cert ...
Advanced Biology
Advanced Biology

...  Prokaryotes have a single circular molecule of DNA, while eukaryotic cells have a nucleus, bounded by a nuclear membrane and containing DNA. ...
Molecules of Life
Molecules of Life

... The food you eat, the silk a spider uses to make a web, the muscles in your body – all of these structures are made of macromolecules. Macromolecule is the term that biologists use for large molecules. There are four types of macromolecules that are important in biology: carbohydrates, lipids, prote ...
AP gene regulation
AP gene regulation

... produce the enzymes (proteins) that digest lactose all of the time. No, only when the environment requires it. – Most prokaryotic controls are transcriptional ...
Cell Organelles Worksheet
Cell Organelles Worksheet

... 5. What organelle is considered a “factory”, because it takes in raw materials and converts them to cell products that can be used by the cell? ...
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Signal transduction



Signal transduction occurs when an extracellular signaling molecule activates a specific receptor located on the cell surface or inside the cell. In turn, this receptor triggers a biochemical chain of events inside the cell, creating a response. Depending on the cell, the response alters the cell's metabolism, shape, gene expression, or ability to divide. The signal can be amplified at any step. Thus, one signaling molecule can cause many responses.
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