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Related Concept Videos

Initiation of Translation02:33

Initiation of Translation

Initiating translation is complex because it involves multiple molecules. Initiator tRNA, ribosomal subunits, and eukaryotic initiation factors (eIFs) are all required to assemble on the initiation codon of mRNA. This process consists of several steps that are mediated by different eIFs.
First, the initiator tRNA must be selected from the pool of elongator tRNAs by eukaryotic initiation factor 2 (eIF2). The initiator tRNA (Met-tRNAi) has conserved sequence elements including modified bases at...
Initiation of Translation02:33

Initiation of Translation

Initiating translation is complex because it involves multiple molecules. Initiator tRNA, ribosomal subunits, and eukaryotic initiation factors (eIFs) are all required to assemble on the initiation codon of mRNA. This process consists of several steps that are mediated by different eIFs.
First, the initiator tRNA must be selected from the pool of elongator tRNAs by eukaryotic initiation factor 2 (eIF2). The initiator tRNA (Met-tRNAi) has conserved sequence elements including modified bases at...
Origin of Cellular Life01:24

Origin of Cellular Life

The origin of life on Earth is a complex and enigmatic event rooted in ancient biochemical processes and geological conditions. Experimental evidence supports the hypothesis that life began with the spontaneous formation of organic molecules such as RNA nucleotides, amino acids, and lipids under early Earth conditions. Factors like volcanic activity, intense UV radiation, and a reducing atmosphere without free oxygen likely facilitated these reactions. Hydrothermal vents on the ocean floor are...
Gastrulation01:56

Gastrulation

Gastrulation establishes the three primary tissues of an embryo: the ectoderm, mesoderm, and endoderm. This developmental process relies on a series of intricate cellular movements, which in humans transforms a flat, “bilaminar disc” composed of two cell sheets into a three-tiered structure. In the resulting embryo, the endoderm serves as the bottom layer, and stacked directly above it is the intermediate mesoderm, and then the uppermost ectoderm. Respectively, these tissue strata will form...
Fertilization01:38

Fertilization

During fertilization, an egg and sperm cell fuse to create a new diploid structure. In humans, the process occurs once the egg has been released from the ovary, and travels into the fallopian tubes. The process requires several key steps: 1) sperm present in the genital tract must locate the egg; 2) once there, sperm need to release enzymes to help them burrow through the protective zona pellucida of the egg; and 3) the membranes of a single sperm cell and egg must fuse, with the sperm...
Transcription Initiation01:47

Transcription Initiation

Initiation is the first step of transcription in eukaryotes. Prokaryotic RNA Polymerase (RNAP) can bind to the template DNA and start transcribing. On the other hand, transcription in eukaryotes requires additional proteins, called transcription factors, to first bind to the promoter region in the DNA template. This binding helps recruit the specific RNAP that can assemble on the DNA and start transcription.
The promoters and enhancers and their accessory proteins allow tight regulation of...

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Pointing the profession in the right direction: positive ethical movements among dental students and education.

The Journal of the American College of Dentists·2008
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It all starts at the beginning.

Brooke Loftis1

  • 1Medical College of Georgia, USA. loftisb@gmail.com

The Journal of the American College of Dentists
|April 27, 2010
PubMed
Summary

A dentist chose dental school faculty after residency, influenced by teaching experience and emerging trends. She valued shaping future dental professionals during their crucial early careers.

Area of Science:

  • Dental Education
  • Academic Dentistry

Background:

  • General Practice Residency (GPR) is a key postgraduate training period for dentists.
  • Transitioning from residency to faculty positions is a significant career step.

Purpose of the Study:

  • To explore the motivations of a young dentist in joining a dental school faculty.
  • To understand the factors influencing the decision to pursue an academic career in dentistry.

Main Methods:

  • Qualitative description of a personal career decision.
  • Retrospective account of factors influencing faculty appointment.

Main Results:

  • Key factors included a prior teaching opportunity during residency.
  • Proximity to emerging trends in dental science was a significant draw.

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  • A desire to influence the formative professional development of dental students was important.

    • Conclusions:

    • Early exposure to teaching can foster interest in academic dentistry.
    • Academic environments offer unique opportunities for engagement with dental innovation.
    • Mentorship and shaping future dentists are rewarding aspects of faculty careers.