physics

Manuel Morales (biophysicist)

Manuel Morales (biophysicist) is a physics 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 Manuel Morales (biophysicist) rather than just read about it. In short: Manuel Francisco Morales (July 23, 1919 – November 12, 2009) was a Honduran-born American biophysicist who did pivotal research on the molecular basis of muscle contraction. Scientific career In the 1950s at the Naval Medical Research Institute, Morales and Terrell Hill showed that the high energy of the terminal phosphate bond in ATP was due to electrostatic repulsion between the three phosphate groups, and he and…

Key takeaways

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Reference excerpt

Manuel Francisco Morales (July 23, 1919 – November 12, 2009) was a Honduran-born American biophysicist who did pivotal research on the molecular basis of muscle contraction.

Scientific career In the 1950s at the Naval Medical Research Institute, Morales and Terrell Hill showed that the high energy of the terminal phosphate bond in ATP was due to electrostatic repulsion between the three phosphate groups, and he and Richard Podolsky measured the heat of hydrolysis for ATP cleavage, the fundamental energy currency of biological metabolism.

Awards and service Morales was elected a member of the US National Academy of Sciences and awarded the Order of the Rising Sun (Japan). He served as president of the Biophysical Society for 1968–69, and was the founding editor of the Annual Review of Biophysics.

Key publications Hill TL, Morales MF. (1951) On "High Energy Phosphate Bonds" of Biochemical Interest. Journal of the American Chemical Society 73: 1656–1660 (doi:10.1021/ja01148a072) Botts J, Morales MF (1953) Analytical description of the effects of modifiers and of enzyme multivalency upon the steady state catalyzed reaction rate, Trans. Faraday Soc., 49(6), 696–6707 (doi:10.1039/tf9534900696) Podolsky RJ, Morales MF. (1956) The Enthalpy Change of Adenosine Triphosphate Hydrolysis Journal of Biological Chemistry 218: 945–959 (pdf) Mendelson RA, Morales MF, Botts J. (1973) Segmental flexibility of the S-1 moiety of myosin. Biochemistry 12: 2250–2255 (doi:10.1021/bi00736a011) Morales MF, Botts J. (1979) On the molecular basis for chemomechanical energy transduction in muscle. Proceedings of the National Academy of Sciences USA 76: 3857–3859 Botts J, Takashi R, Torgerson P, Hozumi T, Muhlrad A, D Mornet D, Morales MF. (1984) On the mechanism of energy transduction in myosin subfragment 1. Proceedings of the National Academy of Sciences USA 81: 2060–2064 Botts J, Thomason JF, Morales MF. (1989) On the origin and transmission of force in actomyosin subfragment 1. Proceedings of the National Academy of Sciences USA 86: 2204–2208 Onishi H, Mochizuki N, Morales MF. (2004) On the Myosin Catalysis of ATP Hydrolysis. Biochemistry 43: 3757–3763 (doi:10.1021/bi040002m)

References

Worked examples

Example 1 — a first encounter with Manuel Morales (biophysicist)

Start with the simplest possible case. Write down what Manuel Morales (biophysicist) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, 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 Manuel Morales (biophysicist) 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 Manuel Morales (biophysicist) 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 Manuel Morales (biophysicist)

In research: Manuel Morales (biophysicist) appears in physics 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 Manuel Morales (biophysicist) 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: Manuel Morales (biophysicist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1919 births, 2009 deaths, 20th-century American physicists, so understanding it makes those chapters shorter.
In everyday life: Look for Manuel Morales (biophysicist) 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 Manuel Morales (biophysicist) in 20 minutes

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Frequently asked questions

What is Manuel Morales (biophysicist) in simple terms?

Manuel Francisco Morales (July 23, 1919 – November 12, 2009) was a Honduran-born American biophysicist who did pivotal research on the molecular basis of muscle contraction. Scientific career In the 1950s at the Naval Medical Research Institute, Morales and Terrell Hill showed that the high energy…

Why does Manuel Morales (biophysicist) matter?

Because it connects several physics 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 Manuel Morales (biophysicist)?

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 Manuel Morales (biophysicist).