biology

Margarita Bravo Hollis

Margarita Bravo Hollis is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Margarita Bravo Hollis rather than just read about it. In short: Margarita Bravo Hollis (10 June 1911 – 13 December 2011) was a Mexican parasitologist. A 1955 Guggenheim Fellow and expert in helminthology, she worked at the National Autonomous University of Mexico (UNAM) as a researcher and educator, and she managed UNAM's helminthological research as curator of the Helminthological Collection of the Institute of Biology and co-developer of the Helminthology Laboratory.

Key takeaways

Margarita Bravo Hollis belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Margarita Bravo Hollis to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Margarita Bravo Hollis from memory before moving on to harder problems.

Reference excerpt

Margarita Bravo Hollis (10 June 1911 – 13 December 2011) was a Mexican parasitologist. A 1955 Guggenheim Fellow and expert in helminthology, she worked at the National Autonomous University of Mexico (UNAM) as a researcher and educator, and she managed UNAM's helminthological research as curator of the Helminthological Collection of the Institute of Biology and co-developer of the Helminthology Laboratory.

Biography Margarita Bravo Hollis was born on 10 June 1911 in Mixcoac, then part of the Mexican Federal District separate from Mexico City. Her sister was botanist Helia Bravo Hollis. She joined the National Autonomous University of Mexico's Institute of Biology in the 1930s, where she began a career as a research assistant and later became a senior researcher. She was then promoted to professor in 1947, before getting her master's degree in science from UNAM in 1949. In 1955, she was awarded a Guggenheim Fellowship for "studies of the trematode parasites of fishes"; she worked under Harold W. Manter at the University of Nebraska. Returning to UNAM, she served as curator of the Institute of Biology's Helminthological Collection from 1960 to 1980, publishing a catalogue for them in 1973. She was awarded the UNAM's 1981 Medal of University Merit for her five decades of work. She also taught invertebrate zoology and laboratory techniques at the UNAM Faculty of Science. Having published at least once every year for almost six decades, she eventually retired in 1992. As an academic, she specialized in monogeneans, in addition to her work on other parasitic worm species. Her research resulted in 96 publications, as well as the naming of one family and 105 new species of parasitic worms, one of which - Pseudobivagina aniversaria - was named after the Institute of Biology's 50th anniversary in 1979. In 1970, she was honored with a special volume of the Annals of the Institute of Biology of the Zoology series. She also had five genera and 27 species named after her. She and her teacher Eduardo Caballero y Caballero turned UNAM's Helminthology Laboratory into "one of the most recognized research centers of this discipline in Latin America". Marcos Rafael Lamothe-Argumedo, whom she once worked with in her capacity as an academic advisor, called her "one of the pillars of helminthology in Mexico". She died on 13 December 2011 in Mexico City; she was 100.

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Worked examples

Example 1 — a first encounter with Margarita Bravo Hollis

Start with the simplest possible case. Write down what Margarita Bravo Hollis claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Margarita Bravo Hollis before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Margarita Bravo Hollis ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Margarita Bravo Hollis

In research: Margarita Bravo Hollis appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Margarita Bravo Hollis in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Margarita Bravo Hollis is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1911 births, 2011 deaths, 20th-century Mexican scientists, so understanding it makes those chapters shorter.
In everyday life: Look for Margarita Bravo Hollis outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Margarita Bravo Hollis in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Margarita Bravo Hollis means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Margarita Bravo Hollis out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Margarita Bravo Hollis in simple terms?

Why does Margarita Bravo Hollis matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Margarita Bravo Hollis?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Margarita Bravo Hollis.