Biology 101 Essay

Submitted By THECraig09
Words: 900
Pages: 4
Open Document
Cell Theory 1. Cell is the fundamental unit of life 2. Organisms are composed of cells. 3. Cells arise only from pre-existing cells

Cells -> Tissues -> Organs -> Organisms

Mitochondria
Plasma Membrane
Primary Cell Wall
Secondary Cell Wall
Nucleus
Tonoplast
Central Vacoule
ER
Ribosomes

Primary Cell Wall –All Plants have-Composed of Cellulose
Cellulose-Polymer of Glucose
Micro fibril-Threadlike
Space between- Free Spaces
Secondary Cell Wall- Not all Plants have

Chemical Energy
C6H12O6+6O2 6C2+6H2O+38 Glucose ATP

Both types of Cell Walls Function 1. Physical Containment 2. Support
Primary Cell Wall supports with Turgoir-Turgur (H20 Pressure)
Plasma Membrane (Cell Membrane) 1. Physical Containment of the living portion of that cell 2. Controls what gets into and out of Cytoplasm
Composed of- 1. Lipids 2. Proteins
Tonoplast- Membrane that delimit the vacuole. Delimit-The end reaching of the cell.
Central Vacuole- Function is storage of substance (90% of the cell)
Protoplasm- the living material between and including the plasma membrane and the Tonoplast.
Nucleus - Forms Physical Containment of the nucleus Chromatin Other Names- Nuclear Envelope- Double Membrane
Chromatin- Chromosomes in a thin threadlike form.

Chromosomes Color Body

Nucleolus- Dark string body inside the Nucleus. Functions- RNA synthesis & Storage
Cytoplasm- Living material between and including the plasma membrane and tonoplast but not nucleus.
ER- Endoplasmic Reticulum- Extensive Membrane continuous with the other membrane of the nuclear envelope. Functions- 1. Lipid (fat, oil) synthesis. 2. Surface area for chemical reaction.
Ribosomes- Site of protein synthesis composed of rRNA ribosomes
Rough ER- With Ribosomes
Smooth ER- Without Ribosomes
Mitochondrion

Cristae

Cristae-Site of cellular Respiration
Chloroplast- Site of Photosynthesis

Stroma Thylakoid- Expanded Membrane Stroma Lamellae-Unexpanded Membrane Chlorophyll a & b- green (absorb light energy)

Carotene- Orange
Kanthophylls- Yellow
Granum-Stack of Thylakoids

Photosynthesis- Light Production
6CO2+6H2O light C6H12O6+6O2
Carbon Water Glucose Oxygen
Dioxide (Sugar)

Golgi Bodies
Golgi apparatus
Dictyosomes
Vesicle Substance to be secreted from the cell
Cell Wall synthesis in dividing plant cells cellulose.
Vesticles- Single Unit membrane bound structure. 1. Lysosomes- Suicide bags- contain hydrolytic enzymes 2. Peroxisomes- Breakdown H2O2 (Hydrogen Peroxide) or other peroxides
Cytockeleton- Consists of three types of fibers or filaments. 1. Microtubles- 25 nm thick (nonometers) 2. Intermediate Filaments- 8-10nm thick 3. Microfilaments- 7nm thick
Function-Holding cellular organelles together and the movement of organelles
Organelle- Small organ
Plant vs. Animal Cells 1. Cell Wall (Plant) 2. Central Vacuole (Plant) 3. Chloroplast (Plant) 4. Centrioles (Animal)
Eukaryorotic Cells- Cells with a nucleus
Prokararyotic Cells- Bacteria 1. No Nucleus, but have Chromosomes 2. No Organelles- Mitochondria, Chloroplast 3. Have Ribosomes- Smaller than Eukarote 4. Have Cell Wall 5. Photosythetic membranes 6. Flagella and/or phili mobie
Cell Junctions Plasmamembrane Plasmodesmata

Pits- Areas where secondary cell wall does not form

Secondary Cell Wall Cell Wall 2 Middle Lamella Celcium Petate
Animal Cell- 1. Tight Junctions- Cell Membranes are knitted together with protein-formic continuous seal that prevents leaking 2. Anchoring Junction- Function like rivets fastening cells together. 3. Gap Junction- With channels that allow molecules to flow through protein lined pores ex.heart muscles.
Lipid- Consists of Glycerol and Fatty Acid. Glycerol esterfied.
Show More

Related Documents: Biology 101 Essay

Biology 101 Argumentative Essay

freshman students that want to major in Biology should take advantage of the resources and the support offered by the Natural Sciences office to them. In college, students are responsible to do more than studying; they have to make sure they meet different deadlines set by their professors or the administration of their school. Students have to make sure they are on track to take the classes they need in order to transfer to a four-year university. Biology students have to take many science courses…

Words 271 - Pages 2

Biology 101 Study Guide

Test 1 Corrections 1.Organic compounds always contain ________. A) Always contain carbon. 3. In some areas, fluoride is added during the municipal water treatment process in order to help ____________. C) reduce tooth decay. 4. Cellulose differs from starch in that ___________. C) most animals cannot break down cellulose, whereas starch is easily digested. 7. Fatty acids are _________. C) hydrophobic 9. What is the complementary sequence to the DNA strand TCGATGG? B) AGCTACC 11. Peptide bonds…

Words 691 - Pages 3

Biology 101 Review Essay

Definitions Hierarchy: An organizational scheme that dictates the order in which organisms exist Biotic: Of or relating to living organisms Abiotic: Of or characterized by the absence of life or living organisms Life Characteristics: Having a metabolism, reproduction, growth and development and responding stimuli and adapting Metabolism: Using energy from some source to grow and reproduce Calorie: A source of energy Homeostasis: The ability to stay in the same condition Carbon Compounds:…

Words 783 - Pages 4

Study Guide Essay

restates a claim in this kind of fallacy. Hasty Generalization - Mistaken use of inductive reasoning when there are too few samples to prove a point. Example: "Susan failed Biology 101. Herman failed Biology 101. Egbert failed Biology 101. I therefore conclude that most students who take Biology 101 will fail it." Post Hoc, Ergo Propter Hoc- This type of false cause occurs when the writer mistakenly assumes that, because the first event preceded the second event, it must…

Words 1036 - Pages 5

General Education Requirements

you must have a minimum 2.0 GPA in your major, minor, and overall. This page outlines your General Education requirements. Page 4 will review the requirements for the Psychology major. General Education Requirements: Foundations Composition ENGL 101, 107 AND ENGL 102, 108 Or ENGL 109H (along with a 4 or 5 on the AP English exam) Mid-Career Writing Assessment: Fulfilled by an A or B in 2nd semester of English. If you earned a C or lower in your 2nd semester of English, discuss alternate options…

Words 608 - Pages 3

Psy 101 Essay example

Psychology & Society 101 October 5,2013 Writing paper no. 1 Psychology is the scientific study of thoughts and behavior. To be more clear it’s the scientific discipline that studies mental process and behavior in human and other animals. The overview definition can be said, as it’s the study of mind. As for this writing, I have chosen to write the concept of chapter 3 (The Biology of Behavior). I feel that the concept of Psychology is mostly based on this chapter because it’s the human…

Words 711 - Pages 3

Intelligent Design Essay

Shelby Strachan Philosophy 101 Judgment Day: Intelligent Design The subject of intelligent design, discussed in this video, brings up universal questions and perspectives that I believe should be incorporated into education. However, since biology is founded on strong principles of science; that being evidence backed up and supported with empirical evidence. I do not believe that the subject matter of intelligent design should exactly be part of the Biology curriculum, just a part of the education…

Words 312 - Pages 2

Organic Chemistry Essay

division preparation courses for the major. All courses must be taken for a letter grade. THIS MAJOR IS HIGHLY SELECTIVE; a significant number of preparatory courses should be completed prior to transfer. At minimum, you should complete one year of biology with laboratory, one year of general chemistry with laboratory, one year of calculus and one semester of organic chemistry with laboratory. Completion of a second semester of organic chemistry or one year of calculus-based physics is strongly recommended…

Words 604 - Pages 3

Psychology 101 Research Paper

This paper is a reflection paper that is going to answer 3 main questions about my experiences in Psychology 101. To properly introduce this paper, my major will briefly be acknowledged because it has a grand influence on my thoughts towards the material I have learned. After this brief introductory statement, the 3 individual questions will be answered. For starters, I will be analyzing a topic in psychology that interested me the most. I will be then explaining why I found that topic interesting…

Words 601 - Pages 3

A Note On Reliability And Validity

Reliability and Validity | 18/2/13 | Alford, Diane. "Excel Preliminary Biology - Diane Alford - Google Books." http://books.google.com.au/books?id=N5Ve4Cg0IdIC&pg=PA56&lpg=PA56&dq=anoxic+to+an+oxic+atmosphere+was+significant+in+the+evolution+of+living+things.&source# | This source was very helpful as it gave me some main points that were useful to use in my assignment. It was very reliable as it was stated in a Biology Textbook and also I could notice reoccurring information in other sources…

Words 604 - Pages 3