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Related Concept Videos

Structural Protein Function01:56

Structural Protein Function

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Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major structures such as bones, cartilage, hair, and muscles. This group includes proteins such as collagen, actin, myosin, and keratin.
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity.  In bones and teeth, it mineralizes to...
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Trigonometric Functions: Problem Solving01:19

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When observing the vertical ascent of an object from a fixed ground position, such as a rocket launch, trigonometric relationships offer a precise method for determining the object's height. As the object rises, an observer stationed at a known horizontal distance from the launch site can measure the angle between the ground and the object's current position. This dynamic angle provides critical information that connects the observed position with its height above the ground.The tangent...
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Internal Loadings in Structural Members: Problem Solving01:28

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When designing or analyzing a structural member, it is important to consider the internal loadings developed within the member. These internal loadings include normal force, shear force, and bending moment. Engineers can ensure that the structural member can support the applied external forces by calculating these internal loadings.
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Fruit Development, Structure, and Function01:58

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Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.
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Structure and Function of Erythrocytes01:29

Structure and Function of Erythrocytes

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There are between 4.2 and 6 million erythrocytes, also known as red blood cells, in every microliter of blood. These cells are small, flattened biconcave discs with centers that are depressed.
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Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities
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Student difficulties during structure-function problem solving.

Stephanie M Halmo1, Cheryl A Sensibaugh1, Kush S Bhatia1

  • 1Department of Biochemistry and Molecular Biology, University of Georgia, Athens, Georgia, 30602.

Biochemistry and Molecular Biology Education : a Bimonthly Publication of the International Union of Biochemistry and Molecular Biology
|October 29, 2018
PubMed
Summary
This summary is machine-generated.

Students’ understanding of protein structure-function relies on both general and specific knowledge. Difficulties with amino acids and noncovalent interactions highlight areas for improved biochemistry instruction.

Keywords:
Protein foldingprotein structuresources of difficulties and teaching strategies to correct difficultiesstudent conceptual and reasoning difficulties

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Science Education

Background:

  • Protein structure-function relationships are fundamental to biochemistry.
  • Understanding how students solve problems in this area is crucial for effective teaching.

Purpose of the Study:

  • To investigate undergraduate students' problem-solving strategies for protein structure-function.
  • To identify differences in domain-general and domain-specific knowledge use in correct and incorrect solutions.

Main Methods:

  • Think-aloud interviews with 13 undergraduate students.
  • Qualitative content analysis of problem-solving approaches.

Main Results:

  • Students utilized both domain-general and domain-specific knowledge.
  • Identified student difficulties included the amino acid backbone, amino acid categorization, and understanding noncovalent interactions.
  • Differences in knowledge application correlated with solution correctness.

Conclusions:

  • Student success in protein structure-function problems depends on integrated domain knowledge.
  • Instructional materials should address specific student misconceptions regarding amino acids and noncovalent bonding to enhance problem-solving skills.