Essay about Biology

2490 Words Sep 18th, 2014 10 Pages
CRAM Exclusive
Essay Sample
Part II: For the following questions, provide your response in short-answer format (2–3 detailed sentences each). Use this Phase’s activities and resources to assist you in answering. 7. What is pH? a. pH is a measurement of hydrogen ion concentration. It measures rather the solution is acid, base, or neutral. 8. What is a base? a. Accepts hydrogen ions from another substance that have a pH>7. It taste bitter and feel slippery. 9. What is an acid? a. Component with a positive

middle of document…

7. Explain the pH scale and how it is used to indicate acidic, alkaline, and neutral solutions.





8. What does it mean in terms of strength when the pH of an acid changes from 5 to 4?

Part II: For the following questions, provide your response in short-answer format (2–3 detailed sentences each). Use this Phase’s activities and resources to assist you in answering.

1. What is pH?

a. pH is a measurement of hydrogen ion concentration. It measures rather the solution is acid, base, or neutral.





2. What is a base?

a. Accepts hydrogen ions from another substance that have a pH>7. It taste bitter and feel slippery.





3. What is an acid?

a. Component with a positive or negative charge that break apart in water to form a hydrogen ion. (H+)





4. What does it mean if a solution has more hydrogen ions (H+)?

a. More acidic the solution is





5. What does it mean if a solution has more hydroxide ions (OH-)?

a. Basic





6. What does it mean if a solution is neutral?

a. The concentration of hydronium equals the concentration of hydroxide ions.





7. Explain the pH scale and how it is used to indicate acidic, alkaline, and neutral solutions.





8. What does it mean in terms of strength when the pH of an acid changes from 5 to 4?

Part II: For the following questions, provide your response in short-answer format (2–3 detailed sentences each). Use this Phase’s activities and resources to assist you in
CRAM Exclusive
Flower80683Kitty

Related Documents

  • Biology Essay

    The coconut palm (Cocos nucifera) is a member of the Arecaceae family also known as the palm family. According to UCC Biology Department, “The spelling cocoanut is an archaic form of the word. The term is derived from 16th-century Portuguese and Spanish coco, meaning "head" or "skull". Coconut can be dated back to the story of Sinbad the Sailor, One Thousand and One Nights. He is known to have bought and sold coconuts during his fifth voyage. Its Malayalam name, Tenga, was used in the complete description

    Words: 1446 - Pages: 6
  • The Biology of Leadership Essay

    The biology of leadership The relation between leadership, psychopathy and hormones Master thesis Economics and Business 8th of August 2012 Name student: Ricardo Westendorp Student number: 294819rw Supervisor: Wouter van den Berg The biology of leadership PREFACE Around October, 2011, I started looking for a subject to graduate on, when a neuro-economical subject, involving the connection of leadership to psychopathy and hormones, crossed my path. I had to jump into it, because this subject

    Words: 24173 - Pages: 97
  • Biology Paper

    Campbell's Biology, 9e (Reece et al.) Chapter 1 Introduction: Themes in the Study of Life This introductory chapter explores the basic themes and concepts of biology, with emphasis on the core theme of evolution. It also introduces students to the thinking of scientists. Questions are therefore general; however, an effort has been made to include some from each skill level. As in the rest of this test bank, questions that feature art or those for which several questions follow upon some data

    Words: 4644 - Pages: 19
  • Essay about The Uses of Biology

    The Uses of Biology Ahh...there's nothing like lounging around in your favorite pair of jeans, reading up on some biology. It's hard to believe that annual sales of jeans like yours make

    Words: 1161 - Pages: 5
  • Cellular Biology Essay

    My research topic is the controversy behind stem cellular biology. This topic is a very modern topic and it has garnered quite the negative persona by the masses. This negative connotation behind stem cellular biology is the reason I chose this topic. Rather than just following the herd and claiming stem cell is a dangerous science I would rather attempt to fully understand the science and form my own beliefs on this controversial topic. The research process has proven to be quite the learning experience

    Words: 2141 - Pages: 9
  • Biology of Cancer Study Guide Essay

    Cancer Biology Section 1 Study questions What is lifetime risk of getting cancer for men and women in US? Male-1:2 Female-1:3 Which cancer are men mostly likely to get in the US? Women? Male-Prostate Female-Breast Which cancers are the most deadly and least deadly (US)? Most deadly- Lung Least deadly- non-melanoma skin cancer Name the cell-types that define carcinomas, sarcomas, lymphomas, and leukemia’s. Which type is most common? Carcinomas- glands, organs and tissues, arise

    Words: 1178 - Pages: 5
  • Essay on What is Molecular Biology?

    MOLECULAR BIOLOGY INTRODUCTION AND BACKGROUND INFORMATION Molecular biology is to characterize the structure, function and relationships between two types of macromolecules, DNA and proteins. This relatively limited definition will suffice to allow us to establish a date for the so-called "molecular revolution", or at least to establish a chronology of its most fundamental developments (Walker, 2009) .At the heart of this definition is the idea of the gene, this concept dates back to the decade

    Words: 1722 - Pages: 7
  • Essay on IB Biology SL IA

    AP/IB Biology Lab Assessment The effect of various fruit and vegetable cell membranes on their water potential Independent variable: Type of fruit or vegetable. (Produce used: Russet potatoes, Pascal celery, Gala apple, Navel orange, and Imperator carrot). The fruit or vegetable will be placed in six 56.7 gram cups, ranging with sucrose molarities of 0 (distilled water), 0.2, 0.4, 0.6, 0.8, 1.0, with 5 trials, leading to 30 cups for each produce variable. Dependent variable: The water potential

    Words: 2194 - Pages: 9
  • Biology Review Paper

    Center the date of submission date a double space below your name in 12-point font Center the following phrase a triple space below the date: "a paper submitted to the faculty of the Department of Biology, Presbyterian College, in partial fulfillment of the requirements of Senior Seminar, Biology 401" Pagination Number the pages consecutively, beginning with the title page, which does not have a page number but is still counted as the first page Use only arabic numbers (1, 2, 3, etc.)

    Words: 1439 - Pages: 6
  • Biology: Chemical Tests and Test Essay

    Biology 100 Lab Laboratory Report Title: Identifying the four major classes of macromolecules through various tests. Group Members: Antonia Johnson, Payton Ewing, Lenneisha Hepburn, Kendisha Hanna,   Introduction:  Macromolecules also known as biological molecules are monomers which are the simple units of polymers. All macromolecules contain carbon and hydrogen which are found in organic compounds. In this Experiment we will test for the presence of protein, starch, lipids, and sugars by analyzing

    Words: 2043 - Pages: 9