What are the ten organ systems that make up the human body?

 Our body is composed of millions of cells. Our cells form unique cell types and function together to create biological machine. Our cells group...

What is connective tissue?

  connective tissue The tissue that packs our and supports the organs in the human body is known as connective tissue. Connective tissue develops from the...

How do snowflakes form? The center of a snowflake is a bacterium – Pseudomonas...

  How do snowflakes form People often wonder how a snowflakes forms such a unique and beautiful structure? The answer actually lies within a microorganism. As...

How have cancer cells been helpful? Hybridoma and the immortal B-cell.

Hybridoma and the immortal B-cell. Most people associate cancer with disease or illness that results in death, however our understanding of cancer has allowed us to do...

Why is the electron transport chain like a battery?

electron transport chain A Duracell battery powers a simple circuit consisting of a wire, a small electric toy motor and the battery itself. The electrodes...

Gene segments in the heteroduplex formed between mRNA and DNA

What is heteroduplex A heteroduplex is formed of the base pairing of DNA to mRNA from the same gene. A paper by Davis et al. describes...

Symbiosis Example – Nitrogen fixation by bacteria generates ammonia for plants.

  Symbiosis in biology refers to cooperation of two or more organisms where benefits are shared from the interaction. A classic example of symbiois is...

How is blood pressure measured in small animals?

  How is it that pharmaceutical companies can develop drugs for humans that lower their blood pressure? Drugs like Lipitor, Levacor, Zocor, and other blood...

What is an ELISA assay

ELIZA ASSAY In this 96 well plate the wells with the darker wells have a greater concentration of a specific protein than lighter wells. Any...

pros and cons of caffeine consumption

  I would go so far as to say that our Western society is fueled by an eight carbon organic molecule, C8H10N4O2, or 1,3,7-trimethyl-1H-purine-2,6(3H,7H)-dione3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione, or...