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Review and Preview

Review and Preview

In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...

Review and Preview

Review and Preview

Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...

Animal Mitochondrial Genetics

Animal Mitochondrial Genetics

Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...

Understanding the Self

Understanding the Self

The self is a central aspect of human identity, encompassing an individual’s beliefs, emotions, perceptions, and experiences. It is a cognitive and psychological construct that enables individuals to interpret their traits and behaviors, influencing how they perceive themselves and interact with the world. While personality consists of stable and enduring characteristics, the self is shaped by self-perception and social experiences. This distinction highlights the dynamic nature of the...

Understanding Self-Concept

Understanding Self-Concept

The self-concept encompasses individuals' beliefs about themselves, structured through cognitive frameworks known as self-schemas. These schemas function as mental representations of specific traits or behaviors, influencing how self-relevant information is perceived, processed, and remembered. For example, individuals who are schematic for body weight are more likely to interpret routine experiences—such as dining out or shopping—through the lens of that trait. Conversely, those...

Understanding Deception

Understanding Deception

Deception is a pervasive aspect of human communication. Empirical studies have shown that most individuals engage in some form of deceit on a daily basis, with approximately 20% of social exchanges involving deceptive elements. Lying follows a developmental trajectory, peaking during adolescence and declining with age, possibly due to the maturation of cognitive control and social accountability.Cognitive and Social Factors in Deception DetectionDespite its prevalence, accurately detecting...

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Related Experiment Video

Updated: Feb 9, 2026

Understanding the Changes in Mitochondrial Morphology through Dynamic and Three-dimensional Fluorescence Micrographs

Understanding the Changes in Mitochondrial Morphology through Dynamic and Three-dimensional Fluorescence Micrographs

Published on: August 15, 2025

Understanding mitochondrial myopathies: a review.

Abhimanyu S Ahuja¹

¹Wilkes Honors College, Florida Atlantic University, Jupiter, FL, United States of America.

|May 31, 2018

Summary

Mitochondrial diseases stem from genetic mutations affecting cellular energy production. While currently incurable, research is identifying genetic defects for potential future treatments and therapies focus on symptom management.

Area of Science:

Biochemistry
Genetics
Cell Biology

Background:

Mitochondria are crucial for cellular energy production.
Genetic mutations in mitochondrial DNA (mtDNA) or nuclear DNA (nDNA) can lead to mitochondrial dysfunction.
This dysfunction results in severe diseases affecting multiple organ systems.

Purpose of the Study:

To review the current understanding of mitochondrial diseases.
To cover pathology, causes, risk factors, symptoms, prevalence, and treatments.
To highlight new research for prevention and treatment.

Main Methods:

Literature review of scientific articles and research.
Analysis of genetic defects and their impact.
Assessment of current therapeutic approaches and their efficacy.

Keywords:

Genetic mutations Pathology Treatment

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Main Results:

Mitochondrial diseases are caused by genetic defects impacting energy production.
Mitochondrial myopathies present with muscle weakness and multi-systemic symptoms.
No definitive cure exists; treatments focus on supportive care and symptom management.

Conclusions:

Genetic defects underlying mitochondrial diseases are increasingly identified.
Current therapies offer symptomatic relief but are not curative.
Ongoing research aims to develop novel preventative and therapeutic strategies.