biology

Mary Jane Guthrie

Mary Jane Guthrie 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 Mary Jane Guthrie rather than just read about it. In short: Mary Jane Guthrie (December 13, 1895 – February 22, 1975) was an American zoologist and cytologist known for her studies of cytoplasm in reproductive and endocrine cells. Early life and education Guthrie was born in New Bloomfield, Missouri.

Key takeaways

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

Reference excerpt

Mary Jane Guthrie (December 13, 1895 – February 22, 1975) was an American zoologist and cytologist known for her studies of cytoplasm in reproductive and endocrine cells.

Early life and education Guthrie was born in New Bloomfield, Missouri. She graduated from the University of Missouri with a bachelor's degree in 1916 and a master's degree in 1918, then earned her Ph.D. in zoology at Bryn Mawr College in 1922. While working towards her Ph.D., Guthrie served as a zoology instructor and demonstrator.

Career and research Returning to Missouri after earning her Ph.D., Guthrie spent the majority of her career at her alma mater, becoming an assistant professor in 1922, associate professor in 1927, and full professor in 1937. Guthrie was known for her writing about zoology; she wrote several textbooks on the subject that were widely used. Guthrie left the University of Missouri for Wayne State University in Detroit in 1950, and stayed there until her 1960 retirement; in 1951 she was given a concurrent appointment at the Detroit Institute for Cancer Research. She cultured ovarian tissue in vitro, a significant achievement at the time, and used her cultures to study ovarian cancer. Despite her success, Guthrie was denied funding because of her gender, including one instance where she was not funded by the Rockefeller Foundation.

Honors and awards Professional memberships:

American Society of Zoologists American Association of Anatomists Genetics Society of America American Association of Mammalogists Tissue Culture Association Fellowships and awards:

Fellow, American Association for the Advancement of Science Fellow, American Society of Naturalists Editor, Journal of Morphology (1944-1947)

Works General Zoology, John Wiley & Sons Incorporated, 1963 Zoology, Wiley, 1957 Laboratory Directions in General Zoölogy, BiblioBazaar, 2011, ISBN 9781178816655

References

External links Radcliffe "Women in Science" Exhibit, (1936). Records, 1935-1940: A Finding Aid

Worked examples

Example 1 — a first encounter with Mary Jane Guthrie

Start with the simplest possible case. Write down what Mary Jane Guthrie 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 Mary Jane Guthrie 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 Mary Jane Guthrie 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 Mary Jane Guthrie

In research: Mary Jane Guthrie 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 Mary Jane Guthrie 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: Mary Jane Guthrie is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1895 births, 1975 deaths, 20th-century American women academics, so understanding it makes those chapters shorter.
In everyday life: Look for Mary Jane Guthrie 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 Mary Jane Guthrie in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Mary Jane Guthrie 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 Mary Jane Guthrie out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Mary Jane Guthrie in simple terms?

Mary Jane Guthrie (December 13, 1895 – February 22, 1975) was an American zoologist and cytologist known for her studies of cytoplasm in reproductive and endocrine cells. Early life and education Guthrie was born in New Bloomfield, Missouri.

Why does Mary Jane Guthrie 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 Mary Jane Guthrie?

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 Mary Jane Guthrie.