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Bài viết của Trần Bảo Ngọc

Eukaryotic Post-transcriptional Gene Regulation

RNA is transcribed, but must be processed into a mature form before translation can begin. This processing after an RNA molecule has been transcribed, but before it is translated into a protein, is called post-transcriptional modification. As with the ...

Tác giả: Trần Bảo Ngọc viết 15:03 ngày 25/05/2018 chỉnh sửa

Development of the Appendicular Skeleton

Embryologically, the appendicular skeleton arises from mesenchyme, a type of embryonic tissue that can differentiate into many types of tissues, including bone or muscle tissue. Mesenchyme gives rise to the bones of the upper and lower limbs, as well as to the ...

Tác giả: Trần Bảo Ngọc viết 15:03 ngày 25/05/2018 chỉnh sửa

The Environment and Society

The subfield of environmental sociology studies how humans interact with their environments. This field is closely related to human ecology, which focuses on the relationship between people and their built and natural environment. This is an ...

Tác giả: Trần Bảo Ngọc viết 15:02 ngày 25/05/2018 chỉnh sửa

Viral Evolution, Morphology, and Classification

Viruses are diverse entities. They vary in their structure, their replication methods, and in their target hosts. Nearly all forms of life—from bacteria and archaea to eukaryotes such as plants, animals, and fungi—have viruses that infect them. While most ...

Tác giả: Trần Bảo Ngọc viết 15:02 ngày 25/05/2018 chỉnh sửa

Fishes

Modern fishes include an estimated 31,000 species. were the earliest vertebrates, with jawless species being the earliest and jawed species evolving later. They are active feeders, rather than sessile, suspension feeders. Jawless fishes—the hagfishes and ...

Tác giả: Trần Bảo Ngọc viết 15:02 ngày 25/05/2018 chỉnh sửa

Phase Changes

Up to now, we have considered the behavior of ideal gases. Real gases are like ideal gases at high temperatures. At lower temperatures, however, the interactions between the molecules and their volumes cannot be ignored. The molecules are very close ...

Tác giả: Trần Bảo Ngọc viết 15:02 ngày 25/05/2018 chỉnh sửa

Disorders of Acid-Base Balance

Normal arterial blood pH is restricted to a very narrow range of 7.35 to 7.45. A person who has a blood pH below 7.35 is considered to be in acidosis (actually, “physiological acidosis,” because blood is not truly acidic until its pH drops below 7), ...

Tác giả: Trần Bảo Ngọc viết 15:02 ngày 25/05/2018 chỉnh sửa

Fission

Nuclear fission is a reaction in which a nucleus is split (or fissured ). Controlled fission is a reality, whereas controlled fusion is a hope for the future. Hundreds of nuclear fission power plants around the world attest to the fact that controlled ...

Tác giả: Trần Bảo Ngọc viết 15:02 ngày 25/05/2018 chỉnh sửa

Preface to College Physics

OpenStax College is a non-profit organization committed to improving student access to quality learning materials. Our free textbooks are developed and peer-reviewed by educators to ensure they are readable, accurate, and meet the scope and sequence ...

Tác giả: Trần Bảo Ngọc viết 15:01 ngày 25/05/2018 chỉnh sửa

Globalization and the Economy

Instant communications have allowed many international corporations to move parts of their businesses to countries such as India, where their costs are lowest. (Photo courtesy of Wikimedia ...

Tác giả: Trần Bảo Ngọc viết 15:01 ngày 25/05/2018 chỉnh sửa