In the field of biotechnology, what is DNA? A. A type of protein B. A molecule that contains genetic information C. A kind of virus D. A chemical compound 相关知识点: 试题来源: 解析 B。DNA 是一种包含遗传信息的分子。选项 A 蛋白质错误;选项 C 病毒错误;选项 D 化合物不准确。
What Is Molecule? - According to Encyclopedia Britannica, A Molecule is a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance. ...
Now, what is DNA renaturation? It’s the opposite process! DNA renaturation occurs when the two single strands of a once double-stranded DNA molecule reassociate with one another — the complementary bases on each strand reform hydrogen bonds with one another, and the DNA double helix reforms....
The Double Helix of DNA DNA stands for deoxyribonucleic acid, a molecule that consists of two long, intertwined polymers forming a structure known as a double helix. A polymer is a long molecule made of many identical, or similar, subunits. Deoxyribonucleotide: Subunit of DNA ( Interactive ...
DNA is the molecule that contains all of the information required to build and maintain the cell; RNA has several roles associated with expression of the information stored in DNA. Of course, nucleic acids alone aren't responsible for the preservation and expression of genetic material: Cells ...
The double helix structure of a DNA molecule was later discovered through the experimental data by James Watson and Francis Crick. Finally, it was proved that DNA is responsible for storing genetic information in living organisms. Also Read: Difference between deoxyribose and ribose DNA Diagram The...
DNA molecules are long — so long, in fact, that they can't fit into cells without the right packaging. To fit inside cells, DNA is coiled tightly to form structures calledchromosomes. Each chromosome contains a single DNA molecule, wrapped tightly around spool-like proteins called histones, ...
DNA molecules are long — so long, in fact, that they can't fit into cells without the right packaging. To fit inside cells, DNA is coiled tightly to form structures calledchromosomes. Each chromosome contains a single DNA molecule, wrapped tightly around spool-like proteins called histones, ...
The flow of information from DNA to protein within the cell is referred to as the central dogma of molecular biology. DNA is converted into messenger RNA (mRNA) in the nucleus during a process known as transcription. The produced mRNA transcript then gets converted into a corresponding ...
What is the DNA that has been artificially made using DNA from different sources called? What is the basic repeating unit that makes up DNA and RNA? What does DNA stand for and what are the four bases of DNA? What base is NOT normally found in a DNA molecule?