Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Feedback Inhibition

Feedback Inhibition

Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!

Feedback Loops

Feedback Loops

In most cases, excessive hormone production is prevented by negative feedback—a loop that starts with a stimulus inducing the release of a particular substance, like a hormone, to maintain a certain level before triggering a signal that results in a decrease in further release of the hormone.

Proofreading

Proofreading

Proofreading

Proofreading

Synthesis of new DNA molecules is carried out by the enzyme DNA polymerase, which adds nucleotides on the daughter strand complementary to the template DNA strand. DNA polymerase has a higher affinity to add the correct base and ensures fidelity during DNA replication. Furthermore, it exhibits proofreading activity during replication, using an exonuclease domain that cuts off incorrect nucleotides from the nascent DNA strand.
Errors During Replication are Corrected by the DNA Polymerase Enzyme

Allergic Reactions

Allergic Reactions

Contact-dependent Signaling

Contact-dependent Signaling

Contact-dependent signaling, as the name suggests, requires that communicating cells be in direct contact with each other. This is achieved either through receptor-ligand interactions or by specialized cytoplasmic channels that allow the flow of small molecules between cells. In animal cells, channels called gap junctions facilitate contact-dependent signaling in certain tissues, whereas, plasmodesmata perform a similar function in plants.
Gap Junctions
In animal cells, gap junctions are formed...

You might also read

Related Articles

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

Sort by

Same author

Factors associated with thrombotic events among young adults in India, 2021-23: A multi-centric hospital-based matched case -control study.

The Indian journal of medical research·2026

Same author

Incidence and Radiological Spectrum of Interstitial Lung Disease in Patients With Lung Cancer Treated With Tyrosine Kinase Inhibitors: A Single-Center Observational Study.

Cureus·2026

Same author

Efficacy and safety of VPM1002 and Immuvac in preventing tuberculosis: phase 3 randomised clinical trial (PreVenTB trial).

BMJ (Clinical research ed.)·2026

Same author

Agreement between the one-minute sit-to-stand test and the six-minute walk test in assessing exercise capacity in patients with interstitial lung disease.

Monaldi archives for chest disease = Archivio Monaldi per le malattie del torace·2025

Same author

Evaluating the Gaps in the Diagnosis and Treatment in Extra-Pulmonary Tuberculosis Patients Under National Tuberculosis Elimination Programme (NTEP) Guidelines: A Multicentric Cohort Study.

Tropical medicine and infectious disease·2025

Same author

Clinical Presentations and Species Spectrum of Nontuberculous Mycobacteria in Suspected Pulmonary Tuberculosis Cases.

Journal of global infectious diseases·2025

Search research articles

Related Experiment Video

Updated: May 31, 2026

Light/dark Transition Test for Mice

Light/dark Transition Test for Mice

Published on: November 13, 2006

Authors' reply

Arunabha Datta Chaudhuri¹, Sourin Bhuniya, Sudipta Pandit

¹Department of Chest Medicine, R. G. Kar Medical College, Kolkata, India.

Lung India : Official Organ of Indian Chest Society

|June 30, 2011

Summary

No abstract available in PubMed .

More Related Videos

Knee Arthrocentesis in Adults

Knee Arthrocentesis in Adults

Published on: February 25, 2022

Related Experiment Videos

Last Updated: May 31, 2026

Light/dark Transition Test for Mice

Light/dark Transition Test for Mice

Published on: November 13, 2006

Knee Arthrocentesis in Adults

Knee Arthrocentesis in Adults

Published on: February 25, 2022