Excedr Resources

High-level overviews, in-depth guides, and downloadable resources for students, researchers, and industry professionals looking to broaden their knowledge base.

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Application Resources

In-depth articles covering the various methods and applications used in the life sciences to further scientific study and innovation.

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Biotech Startup Support

Resources and articles geared towards biotech and biopharma startup founders. Learn more about running a startup from experts in the field.

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Lab Certification Resources

Resources for learning more about laboratory certifications and accreditations. Discover more about key ISO standards.

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Leasing & Financing Resources

Extensive guides to equipment leasing, leasing vs. traditional financing comparison charts, and more.

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T4 Polynucleotide Kinase: Definition & Overview

Definition of T4 Polynucleotide Kinase Nucleic acids can be modified at the polynucleotide level through many enzymatic reactions. It includes methylation of both DNA and RNA, glycosylation of DNA, an...

A magnet that has a red end and blue end. Each end is pulling in different squares of color.
What Is Protein Gel Electrophoresis? Definition & Overview

Protein gel electrophoresis, or simply protein electrophoresis, is a common technique used in laboratories to separate biomolecules, including DNA, RNA, and proteins, based on size or molecular weight...

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What Is a C-Corp & Why Do Investors Prefer It?

A huge part of being an entrepreneur in the life sciences is fundraising. The amount of money (and time) it can take to fund research and development and bring a product to market, whether it’s someth...

The front of an old radio. The presets are named LLC, S-Corp, and C-Corp.
Business Entities & Their Differences: LLC vs. S-Corp vs. C-Corp

How Do Business Entities Differ From One Another? Are you a new business owner or aspiring entrepreneur trying to figure out the differences between business entities? The similarities and differences...

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Should You Incorporate Your Biotech Startup in Delaware?

Advantages & Disadvantages of Incorporating in Delaware Are you a biotechnology or life sciences startup co-founder? Have you recently incorporated your early-stage startup? Like entrepreneurs in ...

A pot that has shattered. It seems to be glued back together.
Overview of Recombinase: Definition & Functions

Definition of Recombinase Recombinase is a family of enzymes that catalyze site-specific recombination events within DNA. Site-specific DNA recombination is a process in which DNA strands are br...

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An Overview of Protein Kinases: Definition & Functions

Regulation and Function of Protein Kinase There are about 500 protein kinase encoding genes in the human genome which represents 2% of all the human genes. Kinase is the name given to an enzyme that a...

A magnifying glass with an eye inside the lens following around a target as it inspects different strands of DNA.
Exonuclease: Overview & Definition of this Important Enzyme

Exonuclease Definition In biochemistry, nucleases are a diverse class of hydrolytic enzymes that carry out hydrolysis of phosphodiester bonds of nucleic acids — DNA and RNA. Nucleases attack the hydro...

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What Is DNA Methyltransferase? Definition & Functions

Methyltransferase Definition Methyltransferases are a group of enzymes that add a methyl group to their substrates. Over 95% of this group of enzymes use S-adenosylmethionine (SAM) as their methyl don...

A pair of scissors cutting through a strand of DNA.
What Are Endonucleases? Definition & Functions

What Are Endonucleases? Various enzymes are involved in tampering with DNA by breaking and forming the bonds between nucleotides. One is a nuclease, a class of enzyme that hydrolyzes the polynucleotid...

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