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  1. www.britannica.com › science › DNADNA | Definition, Discovery, Function, Bases, Facts, & Structure

    3 days ago · DNA is the master blueprint for life and constitutes the genetic material in all free-living organisms. RNA uses DNA to code for the structure of proteins synthesized in cells. Learn more about the differences between DNA and RNA.

    • Reverse Transcriptase

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    • Covalent Bonds

      For full treatment, see chemical bonding: Covalent bonds....

    • RNA

      RNA, complex compound of high molecular weight that...

    • Chloroplasts

      The chloroplast genome typically is circular (though linear...

  2. www.britannica.com › science › cell-biologyCell | Definition, Types, Functions, Diagram, Division ...

    5 days ago · Cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell may be a complete organism in itself, such as a bacterium, or it may acquire a specialized function, becoming a building block of a multicellular organism.

  3. www.genome.gov › genetics-glossary › KaryotypeKaryotype - National Human Genome Research Institute

    1 day ago · To make a karyotype, scientists take a picture of the chromosomes from one cell, cut them out, and arrange them using size, banding pattern, and centromere positions as guides. Karyotype describes the amount of chromosome count and morphology of an organism under the light microscope.

  4. www.genome.gov › genetics-glossary › GeneGene

    4 days ago · Definition. The gene is considered the basic unit of inheritance. Genes are passed from parents to offspring and contain the information needed to specify physical and biological traits. Most genes code for specific proteins, or segments of proteins, which have differing functions within the body.

  5. www.genome.gov › genetics-glossary › haplotypeHaplotype - National Human Genome Research Institute

    2 days ago · A haplotype is a physical grouping of genomic variants (or polymorphisms) that tend to be inherited together. A specific haplotype typically reflects a unique combination of variants that reside near each other on a chromosome.

  6. accesspharmacy.mhmedical.com › contentChapter 1. Introduction to Biopharmaceutics and ...

    1 day ago · Read this chapter of Applied Biopharmaceutics & Pharmacokinetics, 6e online now, exclusively on AccessPharmacy. AccessPharmacy is a subscription-based resource from McGraw Hill that features trusted pharmacy content from the best minds in the field.

  7. www.britannica.com › science › antibiotic-resistanceAntibiotic resistance | Definition, Mechanisms, Examples ...

    3 days ago · Antibiotic resistance, loss of susceptibility of bacteria to the killing (bacteriocidal) or growth-inhibiting (bacteriostatic) properties of an antibiotic agent. When a resistant strain of bacteria is the dominant strain in an infection, the infection may be untreatable and life-threatening.