Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Secondary Active Transport01:55

Secondary Active Transport

136.3K
One example of how cells use the energy contained in electrochemical gradients is demonstrated by glucose transport into cells. The ion vital to this process is sodium (Na+), which is typically present in higher concentrations extracellularly than in the cytosol. Such a concentration difference is due, in part, to the action of an enzyme “pump” embedded in the cellular membrane that actively expels Na+ from a cell. Importantly, as this pump contributes to the high concentration of...
136.3K
Secondary Active Transport01:32

Secondary Active Transport

9.2K
One example of how cells use the energy contained in electrochemical gradients is demonstrated by glucose transport into cells. The ion vital to this process is sodium (Na+), which is typically present in higher concentrations extracellularly than in the cytosol. Such a concentration difference is due, in part, to the action of an enzyme "pump" embedded in the cellular membrane that actively expels Na+ from a cell. Importantly, as this pump contributes to the high concentration of...
9.2K
Symbiosis00:58

Symbiosis

36.7K
Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
36.7K
Conservation of Small Populations02:04

Conservation of Small Populations

16.5K
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
16.5K
Cohesion01:07

Cohesion

58.0K
Cohesion is the attraction between molecules of the same type, such as water molecules. Water molecules have an overall neutral charge but are polar molecule. An oxygen atom in one water molecule has a partial negative charge that can bind to a hydrogen atom with a partial positive charge in a second water molecule, forming a hydrogen bond. Each water molecule can form up to four hydrogen bonds with other water molecules. Hydrogen bonds are responsible for water's cohesive nature.
On a...
58.0K
Meiosis II01:57

Meiosis II

206.1K
Meiosis II is the second and final stage of meiosis. It relies on the haploid cells produced during meiosis I, each of which contain only 23 chromosomes—one from each homologous initial pair. Importantly, each chromosome in these cells is composed of two joined copies, and when these cells enter meiosis II, the goal is to separate such sister chromatids using the same microtubule-based network employed in other division processes. The result of meiosis II is two haploid cells, each...
206.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Improvement of cognitive performance by a nutraceutical formulation: Underlying mechanisms revealed by laboratory studies.

Free radical biology & medicine·2021
Same author

Tau interferes with axonal neurite stabilization and cytoskeletal composition independently of its ability to associate with microtubules.

Biology open·2020
Same author

Erratum: Relative Efficacy of a Nutritional Intervention on Cognitive Performance Across the Adult Lifespan and During Early Cognitive Decline.

Journal of Alzheimer's disease reports·2020
Same author

Relative Efficacy of a Nutritional Intervention on Cognitive Performance Across the Adult Lifespan and During Early Cognitive Decline.

Journal of Alzheimer's disease reports·2019
Same author

Choline and phosphatidylcholine may maintain cognitive performance by multiple mechanisms.

The American journal of clinical nutrition·2019
Same author

Neurofilaments form flexible bundles during neuritogenesis in culture and in mature axons in situ.

Journal of neuroscience research·2019

Related Experiment Video

Updated: Jan 3, 2026

Improving Student Outcomes with an Adaptable Molecular Cloning Course-Based Undergraduate Research Experience
10:17

Improving Student Outcomes with an Adaptable Molecular Cloning Course-Based Undergraduate Research Experience

Published on: November 15, 2024

1.6K

Collaborative Mentoring for Retaining Secondary Biology Teachers.

Kimberly A Gonzalez1, David T Eberiel2, Thomas B Shea2

  • 1Science Division, Middlesex Community College, Bedford, MA 01730.

Journal of Microbiology & Biology Education
|November 27, 2019
PubMed
Summary

Veteran biology teachers facing burnout can be retained through collaborative mentoring. This approach embeds professional development into school practice, enhancing job satisfaction and teacher retention.

More Related Videos

Bridging the Technology Divide in the COVID-19 Era: Using Virtual Outreach to Expose Middle and High School Students to Imaging Technology
09:55

Bridging the Technology Divide in the COVID-19 Era: Using Virtual Outreach to Expose Middle and High School Students to Imaging Technology

Published on: September 28, 2022

2.0K
BioMEMS: Forging New Collaborations Between Biologists and Engineers
07:26

BioMEMS: Forging New Collaborations Between Biologists and Engineers

Published on: November 1, 2007

8.5K

Related Experiment Videos

Last Updated: Jan 3, 2026

Improving Student Outcomes with an Adaptable Molecular Cloning Course-Based Undergraduate Research Experience
10:17

Improving Student Outcomes with an Adaptable Molecular Cloning Course-Based Undergraduate Research Experience

Published on: November 15, 2024

1.6K
Bridging the Technology Divide in the COVID-19 Era: Using Virtual Outreach to Expose Middle and High School Students to Imaging Technology
09:55

Bridging the Technology Divide in the COVID-19 Era: Using Virtual Outreach to Expose Middle and High School Students to Imaging Technology

Published on: September 28, 2022

2.0K
BioMEMS: Forging New Collaborations Between Biologists and Engineers
07:26

BioMEMS: Forging New Collaborations Between Biologists and Engineers

Published on: November 1, 2007

8.5K

Area of Science:

  • Science education
  • Teacher professional development

Background:

  • Veteran biology teachers experience burnout, leading to job dissatisfaction and attrition.
  • Existing mentoring programs are often inadequate, failing to engage veteran teachers or align with school structures.
  • Current models can be overly focused on individual counseling rather than practical, school-based development.

Purpose of the Study:

  • To propose and describe a collaborative mentoring model for veteran biology teachers.
  • To enhance professional development opportunities for experienced high school science educators.
  • To improve teacher retention and job satisfaction in secondary science education.

Main Methods:

  • Implementing a collaborative mentoring program pairing veteran high school teachers with peers and university professors.
  • Focusing professional development activities on improving classroom practices, laboratory skills, and writing instruction.
  • Integrating mentoring activities within the regular school operational framework.

Main Results:

  • The collaborative mentoring model offers a cost-effective approach to professional development.
  • It provides meaningful engagement for veteran biology teachers, addressing their needs for growth and support.
  • Potential for increased job satisfaction and improved teacher retention rates.

Conclusions:

  • Collaborative mentoring embedded in school practice is a viable strategy for supporting veteran biology teachers.
  • This model benefits students, university faculty, and teachers by fostering shared knowledge and practical skills.
  • It presents a scalable solution for enhancing science teacher retention nationwide.