Hydrocarbons only have hydrogen and carbon molecules‚ hence the name. Hydrocarbons are hydrophobic because they mostly consist of hydrogen and carbon bonds that have no charge‚ therefore don’t attract additional bonds. 5.Isomers are compounds made up of the same number of atoms and the same type of elements but configured differently‚ giving them different functions. There are 3 types of isomers‚ 1. Structural isomers differ in the arrangement of their bonds. 2. Geometric isomers have different
Premium Oxygen Chemical bond Atom
1. What is the commonly accepted age of Earth? a. 4.6 million years b. 46 million years c. 4.6 billion years d. 46 billion years 2. Which of the following was not a source of heat for the early Earth? a. meteor bombardment b. gravitational contraction c. radioactivity d. hydrothermal energy 3. What are small asteroids called? a. comets b. meteoroids c. cratons d. microcontinents 4. What is the process by which a planet becomes
Premium Earth Solar System Planet
Frederick Griffith | This person made an experiment that involved injecting mice with pneumonia: smooth S cells‚ rough R cells‚ heat-killed S cells‚ and heat-killed S cells with living R cells. | Avery‚ McCarty‚ and MacLeod | First to show that DNA was the genetic material‚ but not believed. Repeated Griffith’s experiment‚ but subjected the strains to different enzymes‚ isolating RNA‚ DNA‚ lipids‚ carbohydrates‚ and proteins. Only the DNA killed the mice; the others had the mice survive. | Hershey
Premium DNA
There‚ Scout meets Francis‚ Alexandra’s grandson. Scout thinks Francis is the most boring child she has ever met. She also has to put up with the fancy and clean Alexandra‚ who says that Scout should dress like a lady instead of wearing pants. On one night‚ Francis tells Scout that Dill is a runt and then calls Atticus a “nigger-lover.” Scout curses him and beats him up. Francis tells Alexandra and Uncle Jack that Scout hit him‚ and Uncle Jack spanks her without hearing her side of the story. After
Premium Black people To Kill a Mockingbird White people
Brassica rapa | | | Kelly Porterfield | 11/26/2012 | Biology Lab 180 Section C | Introduction The purpose of this experiment was to practice applying the use of the scientific method. One of the main steps in the scientific method is forming a hypothesis. Increasing fertilizer is expected to increase rate of growth and increase number of leaves. Materials and Methods The materials used included seeds of Wisconsin fast plants Brassica rapa‚ Styrofoam planting quads‚ potting soil‚ 14-
Free Science Scientific method Hypothesis
Marisol Camacho AP Chemistry Per. 1-2 10/31/12 Titration Lab Titrations are a very useful method of discovering the amount or concentration of unknown substances. The method is very well suited towards acid-base reactions. Titrations are often used in industry to analyze products to be sold. In this lab‚ standardizations will be done in the first two experiments and then titration analysis in the third. Standardization of a base (NaOH) using a primary standard (KHP) Standardization
Premium
Chapter 3 3.1 Identify the functional groups in each of the following molecules: O C NH2 H N O C OH H C CH2 (a) (b) O (c) Solutions: a. b. c. d. Amide‚ double bond Amine‚ carboxylic acid Double bond‚ ketone‚ ester O OCH3 (d) CH2OH Aromatic ring‚ double bond‚ alcohol (a) Alcohol (d) Amine (b) Aromatic ring (e) both ketone and amine (c) Carboxylic acid (f) two double bonds 3.2 Propose structures for simple molecules that contain the following functional groups:
Premium Oxygen Hydrogen Functional group
In biology species can become isolated from other species through a number of processes. These isolation processes keep the two species from interbreeding and producing hybrid offspring. There are five separate isolation processes that prevent two species capable of producing offspring from being able to do so. Ecological Isolation Ecological‚ or habitat‚ isolation is when two species that could interbreed do not because the species live in different areas. For example‚ in the wild of India both
Premium Pollen Hybrid Barrier
ENVIRONMENTAL GUIDELINES FOR SETTING UP STONE CRUSHING PLANT Stone Crushing Industry is an important industrial sector in the State engaged in producing crushed stone which is raw material for various construction activities like construction of Roads‚ Highways‚ Bridges‚ Buildings‚ Canals‚ etc. Transportation of stone over long distances adds to cost of the crushed stone products‚ crushers need to be necessarily located nearer to the demand centers such as Cities‚ Bridges‚ Highways‚ Canals‚ etc.
Premium Conveyor belt Air pollution Dust
DEFINITIONS * Biology is a natural science concerned with the study of life and living organisms‚ including their structure‚ function‚ growth‚ evolution‚ distribution‚ and taxonomy. * The cell is the basic structural and functional unit of all known living organisms. It is the smallest unit of life that is classified as a living thing (except virus‚ which consists only from DNA/RNA covered by protein and lipids)‚ and is often called the building block of life. Organisms can be classified
Premium Bacteria DNA Photosynthesis