Antibodies, Viruses, and Prions: An Immunology Primer
Antibodies: Structure and Function
Antibodies are glycoproteins found in a soluble form in blood or other bodily fluids of vertebrates. They act as receptors on B lymphocytes and are employed by the immune system to identify and neutralize foreign materials. Each antibody consists of basic structural units with two large heavy chains and two light chains.
Antibodies are synthesized by a type of white blood cell called a B lymphocyte. Although the general structure of antibodies is very similar, a
Read MoreUnderstanding Electromagnetic Radiation and Atomic Structure
Electromagnetic Radiation and Atomic Structure
Electromagnetic radiation: E-space propagation involves magnetic and electric waves.
Electric No-Load Movement: Creates magnetic and electric fields.
The nature of electromagnetic radiation is twofold:
- Corpuscular: Emission of small corpuscles or particles (Newton).
- Wave: Wave-type disturbance (Maxwell). Light has a dual nature: wave-particle.
Experimental facts that determine the structure of the atom: The experience of electrical discharges in vacuum tubes,
Read MoreEnglish Phonetics: Pronunciation Rules and Intonation
Pronunciation Rules
- Dentalization: (n, t, d) + ð
- Glottalization: t + consonant (e.g., fútbol, that chair)
- Elision: In a cluster of 3 consonants (t, d) in the middle (e.g., I moved to England)
- Coalescence: t + j = ʧ; d + j = ʤ
- Word Boundaries: won’t + a
- Aspiration: (p, t, k) + a vowel in a stressed syllable (e.g., people)
- Devoicing: (p, t, k) + w, j, l, r approximants in a stressed syllable (e.g., play)
- Dark L:
- Final position, after a vowel (e.g., feel, fill)
- After a vowel, before a consonant (e.g., help,
Johnson’s Rasselas: Abyssinia, Morality, and Orientalism
Rasselas (1759): A Discussion
Samuel Johnson’s Rasselas draws upon his prior knowledge of Abyssinia, fueled by popular interest and the power of publishers. While Johnson had written oriental tales previously, this book transcends a simple connection with England, existing outside of time and place within the setting of Abyssinia. The book incorporates information about Abyssinia not solely derived from Portuguese missionary translations, potentially drawing from accounts of Basque missionaries.
Read MoreBoost Your English: Phrasal Verbs, Vocabulary & Idioms
Essential English Vocabulary & Phrasal Verbs
Phrasal Verbs
- Act on somebody’s advice
- Back something up (make a copy)
- Be up to sth (doing something)
- Break something up (change sth)
- Call for something (demand to happen)
- Come across sth/sb (discover by chance)
- Come round (visit in house)
- Cope / Deal with sth
- Die out (disappear completely)
- Dream sth up (think of a new idea)
- Fiddle with something (move w/o purpose)
- Get down to sth (go for it with intention)
- Go about doing sth (do purposeful things)
- Go for (take
Theme, Pragmatics, and Intercultural Communication Analysis
Theme and Thematic Structure
Ordo naturalis: If there’s no clue to the contrary, the first mentioned element happened first, and the second followed it.
Theme: A Thematic Category
Theme is a thematic category related to how we organize sentences. The appropriateness of structures is tested by providing questions:
- Alternatives do not all function satisfactorily as answers to the same question.
- Different assumptions about the state of knowledge of the hearer.
Pragmatic Factors Influencing Choice
Pragmatic
Read MoreUnderstanding Gender Equality in Employment: A Legal Analysis
General Framework of the Directive
General framework of the Directive: Equal treatment in access to employment, promotion and training, working conditions, and Social Security.
Obligation of Member States to actively consider the goal of equality between men and women when formulating and implementing laws, regulations, administrative provisions, policies, and activities.
IT: the absence of any direct or indirect discrimination based on sex. No discrimination based on marital or family status.
DD: where
Read MoreEarth’s Surface Shaping: Weathering and Erosion Processes
External Geological Processes on Earth’s Surface
The effect of external agents on the land surface begins with actions from the atmosphere, which disrupt and alter superficial rocks. This initial breakdown is known as weathering.
Erosion and Transport
Weathered materials rarely remain in their place of origin. Instead, they are moved by erosion and subsequent transport. The primary external geological agents responsible for erosion and transporting the resulting fragments include:
- Rivers and streams
- Ocean
Analysis of the Spanish Constitution and European Integration
The Spanish Constitution is a legal-political text and therefore a historical source. Its authors were the fathers of the constitution, including José Pedro Pérez Llorca, Miguel Herrero y Rodríguez de Miñón, and Gabriel Cisneros, members of the UCD (Union of the Democratic Centre). The recipients of this document are the entire Spanish society, and the constitution articulates the new political scheme of the Spanish state.
The text comprises articles that outline key aspects of the new political
Read MoreGarcía Márquez: Context, Themes, and Literary Stages
Arguments and Context
Historical-Cultural Context
Economic retardation and social inequalities have been sources of constant tensions. As a result, political instability is one of the main problems these nations suffer, which have alternated throughout the twentieth century with periods of democratic governments, repressive dictatorships, and revolutionary movements that generated waves of armed struggle and violence. The most prominent social and cultural trait of Hispanic America is mestizaje. In
Read More