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Malarial Infection

Description of the malarial life cycle within the human body. Malaria is caused by Plasmodium ...

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LTP Mechanisms

The two main hypotheses to explain LTP are presynaptic, in which increased neurotransmitter is ...

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Long-Term Potentiation LTP

In LTP, neurons continue to fire at an elevated rate, even though the stimulus has returned to ...

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Influenza Infection

Description of how the influenza virus infects a cell, and the role of hemagglutinin ...

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Increased Receptor Sensitivity

In LTP, it is now known that the postsynaptic neuron becomes more sensitive to neurotransmitter ...

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Human Migration Hypotheses

Most scientists agree that an early hominid species evolved in Africa and spread across the Old ...

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How a Proto-Oncogene Becomes an Oncogene

A depiction of some types of mutations that can occur to turn a proto-oncogene into an oncogene. ...

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The process by which HIV infects

Generally a slow progressive disease, the virus is always present in the body at all stages.

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HIV DNA Vaccine

What kind of vaccine are we supposed to create in order to protect ourselves form HIV infecrion. ...

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Haplotypes

A haplotype is the genetic constitution of an individual chromosome. Haplotype may refer to only ...

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Evolution and molecular and bioinforma ...

Demonstration how scientists use genetic data to build a phylogeny and determine relatedness ...

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Four-Gene DNA Vaccine

Creating a DNA vaccine for malaria will involve producing antigens from several stages of the ...

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Efflux Pump

An efflux pump is a mechanism used by bacteria to eject antibiotics before they can affect the ...

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Dilution Effect

As suburbs developed in New England, the forest habitat became more patchy, resulting in the ...

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Creation of a Transgenic Animal

Transgenic organism is one which has artificially (usually by human) inserted gen in it's ...

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BLAST the Search Engine

BLAST is algorithm which compares biological sequences. Sequence is array of data, so there are ...

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Understanding Bacterial Transformation

Any genes (including antibiotic resistance genes) can be obtained by the uptake of free-floating ...

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Genetic Material Exchange in Bacterial ...

Bacterial conjugation is the transfer of genetic material between bacteria through direct ...

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Factors Involved in Antigenic Shift

The genetic change enables a flu to jump from one animal species to another.The influenza virus ...

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Homeodomain

A 3-D model of a protein with a homeodomain. It acts as a transcription factor by binding ...

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Cyclopamine

The normal Hedgehog signaling pathway is blocked by the receptor antagonist cyclopamine. Video ...

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Hedgehog Signaling

The Hedgehog signaling pathway triggers expression of other developmentally important genes. ...

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Hedgehog Gradient

How does growing embryo knows where is head and where is tail supposed to be? The level of ...

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Spatial and Temporal Colinearity - Hox ...

Hox genes display spatial colinearity: genes at one end of the chromosome are expressed at the ...

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