Plant pigment chromatography ap biology lab manual for students, college board. Ap biology elixir of life special properties of water 1. Please note that the content of this book primarily consists of articles available from wikipedia or other free sources online. There is a point where substances can no longer be broken. Ap biology 2 ap biology adhesion h2o molecules form h bonds with other substances capillary action meniscus water climbs up fiber ex. Downloadap biology textbook campbell 7th edition pdf. Using a capillary tube, place about 25 drops of the extract in the center of the silica gel plate about 2 cm from the bottom.
Capillary action is defined as the spontaneous flow of a liquid into a narrow tube or porous material. Get the full kaplan ap biology book from amazon here. Before embarking to medical school, brian took a youngadultprofessional detour and found himself at fusion learning centerfusion. A stalk of celery is placed in a solution of blue colored dye. Cchs ap biology goldberg adhesion h 2 o molecules form h bonds with other substances capillary action meniscus water climbs up fiber ex. The flow of liquids through porous media, such as the flow of water through soil.
The method of determination is known as capillary tube method. The course is designed to cover two semesters different classes of college biology in one year. Created by lee ferguson, allen high school, allen isd. This class is highly intensive, with a lot of material that needs to be covered. This lesson explains what capillary action is, describes all the forces necessary for it to happen, and goes. Adhesion of water to the walls of a vessel will cause an upward force on the liquid at the edges and result in a meniscus which turns upward. The content of the advanced placement biology examination. This property helps humans maintain homeostasis of body temperature by evaporation. Capillary action, capillarity, capillary motion, or wicking refers to two phenomena.
Osmosis, capillary action, cohesiontension theory, and transpiration 180. There are words scientists use to describe water continue reading water properties notes. Unique properties of water enable it to carry out functions that no other substances can. Capillary action water can be drawn up a thin tube.
Ap biology chapter 42 circulatory and respiration heart. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Capillary action sometimes capillarity, capillary motion, capillary effect, or wicking is the ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity. Organic compounds are molecules that contain carbon. Capillary action occurs because water is sticky, thanks to the forces of cohesion water molecules like to stay close together and adhesion water molecules are attracted and stick to other substances. Ap biology cohesion, adhesion, surface tension, and. Properties of water lab 2012 modified from a lab by david knuffke, deer park hs page 1 of 8 lab. We do not want this pigment mixture to come in direct contact with the solvent mixture. Definitive test for creutzfeldtjacob disease, lyme disease, hepatitis b and herpes. Reas ap biology crash course is the first book of its kind for the lastminute studier or any ap student who wants a quick refresher on the course. The solvent moves up the paper by capillary action, which occurs as a result of the attraction of solvent molecules to the paper and the attraction of solvent molecules to one another.
I can explain the significance of water to organisms. Ap biology study guide unit i chemistrybiochemistry i. Pdf biology virginia department of education correct answer reporting category reporting category description 1mc b 003 life at the systems and organisms level 2 tei phases must be placed in the correct order from left to right as shown. One example is atp synthase, the enzyme that stores cellular energy in atp by combining adp and phosphate. Western blotting technique is the confirmatory test for hiv. Ap biology 1 jennifer talley textbooks biology ap edition, 8th edition. Pillbugs are used to serve as an introduction to inquiry designed.
Elements almost everything around us can be broken down into simpler substances. The effect can be seen in the drawing up of liquids between the hairs of a paintbrush, in a thin tube, in porous materials such as paper and plaster, in some nonporous. Ap environmental science summer packet, 20182019 welcome to apes. All living matter is made up of nitrogen, carbon, hydrogen, oxygen, phosphorus, an. Water moving up from the roots of plants to the leaves as a result of capillary action is because of adhesion. Capillary action also occurs in nonliving objects, such as drinking straws and graduated cylinders. Water properties states of water adhesion and cohesion surface tension capillary action the states of water water has three states.
This movement does not require the force of gravity to occur. Start studying ap biology cohesion, adhesion, surface tension, and capillary action. After one hour, the leaves have blue fluid in their veins. The action of capillary forces in a tube lifts a wetting fluid, a behavior that seemed. This action causes blood to be drawn into a smalldiameter tube when the tube touches a. Ap biology summer assignment welcome to ap biology.
Most ap biology students earned enough pts to get a 2,3,4, but very few scored well enough on the grid ins and free response to score a 5. We will revisit a great deal of material that you already learned in your other classesespecially biology, chemistry, algebra, and even middle school social studies. Brian remembers a love for science going back to his own ap biology high school class. Heat of vaporization is the amount of energy required to convert liquid into gas. These substances can be further broken down into other simpler substances. Ap biology grid in questions require students to use mathematics to solve biological problems. Lt 3 i can define ph and explain why maintaining a. Ap biology syllabus course overview students will demonstrate the ability to use the scientific method and major biological concepts to explain the uniqueness and interdependence of living organisms, their interactions with the environment, and the continuation of life on earth.
A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Ap biology chapter 42 circulatory and respiration free download as powerpoint presentation. Assesses student understanding of the chemistry and importance of both capillary action and dissolved nutrients for plants. Capillary action is sometimes called capillary motion, capillarity, or wicking. Biochemistry piffle sheet houston independent school. Ap biology exam connections biochemistry is tested every year on the multiple choice and also make appearances on the free response section of the exam.
Below freezing water is a solid ice or snowflakes, between freezing and boiling water is a liquid, and above its boiling point water is a gas. Capillary action is the process that plants use to pull water up from the ground. The agent is available under various brand names including duragesic, sublimaze, actiq, onsolis, instanyl and fentora. At the university of san diego, brian majored in biology and minored in chemistry, with a premed emphasis. Please be aware that part of taking this class is commitment to being present and on time, on task and hard working. One important phenomenon related to the relative strength of cohesive and adhesive forces is capillary action the tendency of a fluid to be raised or suppressed in a narrow tube, or capillary tube.
933 1161 961 1273 516 983 954 535 769 1188 171 1306 1509 620 1094 1490 1246 1087 337 57 153 845 827 324 1027 1145 809 621 1073 1367 1164 290 1073