Author

Karim Chowdhury

With a pre-med background in the biological sciences, Karim Chowdhury is a science writer at Biology Insights focusing on cell biology and biochemistry. He previously prepared students for admissions exams at a test-prep company in Las Vegas, Nevada, after tutoring undergraduate chemistry. Chowdhury still teaches test prep a few hours each week.

Telomere Shortening and Its Connection to the Aging Process
The Process of the Condensation of Chromosomes
How Is DNA Packaged Inside a Cell’s Nucleus?
The Process of DNA Replication in Eukaryotes
What Amino Acid Would Result from GAA?
Telomeres: Your Body’s Biological Clock Explained
Key Enzymes and Steps in DNA Replication
Heterochromatin vs. Euchromatin: Structure and Function
What Is an Okazaki Fragment in DNA Replication?
What Are Protein Isoforms and Why Are They Important?
What Is Telomere Length and Why Does It Matter?
What Is Euchromatin? The Open Structure of Active DNA
What Tricks Can We Use to See DNA?
What Is the Purpose of the Sugar-Phosphate Backbone?
What Are Proteins That Cut DNA at Specific Sequences?
Is Cytosine a Purine or Pyrimidine?
How Does DNA Replication Differ Between Eukaryotes and Prokaryotes?
What Is a Corepressor in Biology?
When Is the Poly-A Tail Added to mRNA?
What Are the Levels of Eukaryotic Chromosome Compaction?
What Do Histone Proteins Do?
Is Guanine a Purine or Pyrimidine?
What Are the Codons for the Amino Acid Arginine?
What Are Thymine Dimers and How Do They Affect DNA?
What Are dNTPs in DNA Replication?
Does Topoisomerase Unwind DNA or Relieve Supercoiling?
What Are the Functions of a Nucleotide?
What Is Heterochromatin and Why Is It Important?
What Enzyme Unzips DNA for Replication and Transcription?
Are Histones in Prokaryotes? A Look at DNA Packaging