Organic Molecules, Cells, and Cellular Structures
Organic Molecules
Organic molecules are those consisting essentially of carbon atoms linked by covalent bonds.
- Fabrics: Clusters of specialized cells that perform the same function and have one origin.
- Organs: The structural and functional units of higher living beings. They consist of several different tissues and perform a specific action.
- Systems: Clusters of similar bodies that perform independent actions. For example, the nervous system, bone, muscle, or endocrine system.
- Apparatus: Sets of organs
Satire as Social and Political Commentary in 18th-Century Literature
This essay discusses the role of satire as a tool for political and social criticism in eighteenth-century literature, focusing on authors who incorporated it into their works.
The Age of Satire
The 18th century is often called the Age of Satire due to satire’s significant influence on literature, appearing in drama, prose, essays, and novels. This period saw the rise of wit and reason, with satire used to ridicule social conventions and expose the flaws and hypocrisy of society, particularly among
Read MoreSustainable Farming: Cover Crops, Crop Rotation & More
Sustainable Farming Practices for Soil Health
When farmers plant trees, shrubs, and ground cover around the edges of their fields, they are using a strategy called “cover cropping.”
Land degradation has accelerated during the 20th and 21st centuries due to increasing and combined pressures of agricultural and livestock production (over-cultivation, overgrazing, forest conversion), urbanization, and extreme weather events such as droughts and storm surges, which salinate the land.
The practice of growing
Read MoreRaw Materials, Energy Sources, and Industry Essentials
Raw Materials
Raw materials are found in nature and, through transformation industries, become usable products. There are three types:
- Animal Origin: Materials that come from livestock and are used in the textile industry, for example.
- Vegetal Origin: Products such as cotton, used to make fabrics, or forest products like timber, used for furniture, or rubber, used to manufacture tires.
- Mineral Origin: Raw ore extracted from underground sources. Most cannot be used directly to produce a product.
Types
Read MoreDecree Law and the Social Democratic State in Spain
Decree Law in the Spanish Constitution
Article 86 EC
- In case of extraordinary and urgent need, the Government may issue temporary legislative provisions. These will take the form of decrees and ordinances that may not affect the basic institutions of the State; the rights, duties, and freedoms of the citizens in the title; the system of autonomous communities; or the general electoral law.
- The decrees must be immediately submitted for debate and voting by the entire Congress. If Congress is not already
Lexical Families, Semantics, and Word Relationships
Lexical Families and Word Formation
Lexical families: A lexical family is the set of words that use the same base lexeme (e.g., the lexical family terr- (earth) is formed by words like earth, earthy, Terrero, burial).
Affixes: These are grammatical, derivative morphemes that function in the structure of the word as thematic formants (i.e., items that belong to a lexical unit). They are added to a base, modifying and clarifying its general meaning, thus creating a new word from an existing one.
Parasynthesis:
Read MoreRestoration of Monarchy in Spain: Cánovas & Alfonso XII
Alfonso XII’s Reign: Cánovas’ System and the 1876 Constitution
After General Serrano’s military dictatorship, following the coup of Pavia and the dissolution of Parliament, the Republican opposition was nullified, and trade unions were prohibited. Simultaneously, support for Alfonso XII grew among the Army, the middle class, and businessmen, weakening Serrano’s position. The 17-year-old Prince Alfonso, advised by Cánovas del Castillo, signed the Sandhurst Manifesto, committing to a constitutional
Read MoreUnderstanding Option Greeks: Delta, Gamma, Theta, Vega, Rho
What Can Greek Options Do for You?
Armed with Greeks, an options trader can make more informed decisions about which options to trade and when to trade them. Consider some of the things Greeks may help you do:
- Gauge the likelihood that an option you’re considering will expire in the money (Delta).
- Estimate how much the Delta will change when the stock price changes (Gamma).
- Get a feel for how much value your option might lose each day as it approaches expiration (Theta).
- Understand how sensitive an option
Vocabulary and Phrases: English Learning
-ED/-ING Adjectives
-ED (temporal): Describes how people feel. Example: How is John? He is bored.
-ING (permanent): Describes a characteristic of someone or something. Example: What is John like? He’s boring.
Accessories
Bracelet, dyed hair, earring, glasses, ring, piercing, tattoo, sunglasses, make-up, cap, hat, handbag, watch, nail polish.
Appearance
Thin, round, to have a beard/a mustache, chubby, receding hair, curly, wavy, straight, ginger, grey/white, bald, plump, stout, skinny, obese, fit, smart,
Read More19th and 20th Century Art, Culture, and Russian History
Culture and Art in the 19th and 20th Centuries
Literary Movements
Culture highlighted two literary movements:
- Realism: Focused on contemporary reality, described in detail and accurately.
- Modernism: Sought to escape reality, evading into the past or to distant lands.
Art and Architecture
- Iron Architecture: Characterized by the use of new, high-strength, and low-cost materials. Notable examples include the Eiffel Tower and the reading room of the National Library.
- Modernism: Notable figures include Victor