Danh sách bài viết của Nguyễn Mỹ Hương

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Bài viết của Nguyễn Mỹ Hương

Protein Synthesis

It was mentioned earlier that DNA provides a “blueprint” for the cell structure and physiology. This refers to the fact that DNA contains the information necessary for the cell to build one very important type of molecule: the protein. Most ...

Tác giả: Nguyễn Mỹ Hương viết 15:35 ngày 25/05/2018 chỉnh sửa

The Lungs

A major organ of the respiratory system, each lung houses structures of both the conducting and respiratory zones. The main function of the lungs is to perform the exchange of oxygen and carbon dioxide with air from the atmosphere. To this end, the lungs ...

Tác giả: Nguyễn Mỹ Hương viết 15:34 ngày 25/05/2018 chỉnh sửa

Gas Exchange

The purpose of the respiratory system is to perform gas exchange. Pulmonary ventilation provides air to the alveoli for this gas exchange process. At the respiratory membrane, where the alveolar and capillary walls meet, gases move across the membranes, with ...

Tác giả: Nguyễn Mỹ Hương viết 15:34 ngày 25/05/2018 chỉnh sửa

Nuclear Decay and Conservation Laws

Nuclear decay has provided an amazing window into the realm of the very small. Nuclear decay gave the first indication of the connection between mass and energy, and it revealed the existence of two of the four basic forces in nature. In this section, we ...

Tác giả: Nguyễn Mỹ Hương viết 15:34 ngày 25/05/2018 chỉnh sửa

Introduction to Rocket Propulsion

Rockets range in size from fireworks so small that ordinary people use them to immense Saturn Vs that once propelled massive payloads toward the Moon. The propulsion of all rockets, jet engines, deflating balloons, and even squids and octopuses is ...

Tác giả: Nguyễn Mỹ Hương viết 15:34 ngày 25/05/2018 chỉnh sửa

Virus Infections and Hosts

Viruses can be seen as obligate, intracellular parasites. A virus must attach to a living cell, be taken inside, manufacture its proteins and copy its genome, and find a way to escape the cell so that the virus can infect other cells. Viruses can infect only ...

Tác giả: Nguyễn Mỹ Hương viết 15:34 ngày 25/05/2018 chỉnh sửa

Cardiac Muscle and Electrical Activity

Recall that cardiac muscle shares a few characteristics with both skeletal muscle and smooth muscle, but it has some unique properties of its own. Not the least of these exceptional properties is its ability to initiate an electrical potential at a fixed rate ...

Tác giả: Nguyễn Mỹ Hương viết 15:33 ngày 25/05/2018 chỉnh sửa

Electric Field: Concept of a Field Revisited

Contact forces, such as between a baseball and a bat, are explained on the small scale by the interaction of the charges in atoms and molecules in close proximity. They interact through forces that include the Coulomb force . Action at a distance is a ...

Tác giả: Nguyễn Mỹ Hương viết 15:33 ngày 25/05/2018 chỉnh sửa

Motor Responses

The defining characteristic of the somatic nervous system is that it controls skeletal muscles. Somatic senses inform the nervous system about the external environment, but the response to that is through voluntary muscle movement. The term “voluntary&rdq ...

Tác giả: Nguyễn Mỹ Hương viết 15:33 ngày 25/05/2018 chỉnh sửa

The Plant Kingdom

Plants are a large and varied group of organisms. There are close to 300,000 species of catalogued plants. A.D. Chapman (2009) Numbers of Living Species in Australia and the World . 2nd edition. A Report for the Australian Biological Resources Study. ...

Tác giả: Nguyễn Mỹ Hương viết 15:32 ngày 25/05/2018 chỉnh sửa

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Protein Synthesis

The Lungs

Gas Exchange

Nuclear Decay and Conservation Laws

Introduction to Rocket Propulsion

Virus Infections and Hosts

Cardiac Muscle and Electrical Activity

Electric Field: Concept of a Field Revisited

Motor Responses

The Plant Kingdom

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