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13 hours ago · Ribosomes (/ ˈ r aɪ b ə z oʊ m,-s oʊ m /) are macromolecular machines, found within all cells, that perform biological protein synthesis (messenger RNA translation). Ribosomes link amino acids together in the order specified by the codons of messenger RNA molecules to form polypeptide chains.
13 hours ago · Anatomy is inherently tied to developmental biology, embryology ... The limbs of vertebrates are considered to be homologous because the same underlying ...
13 hours ago · There is not a single accepted definition of what protists are. As a paraphyletic assemblage of diverse biological groups, they have historically been regarded as a catch-all taxon that includes any eukaryotic organism (i.e., living beings whose cells possess a nucleus) that is not an animal, a land plant or a dikaryon fungus.
13 hours ago · In contrast to the definition of ligand in metalorganic and inorganic chemistry, in biochemistry it is ambiguous whether the ligand generally binds at a metal site, as is the case in hemoglobin. In general, the interpretation of ligand is contextual with regards to what sort of binding has been observed.
13 hours ago · This perspective emphasizes the willing aspect of love, where one's desire and motivations are shaped by concern for the beloved's well-being. Critics of this view argue that the definition is too passive, in the sense that the conception of the beloved overlooks the interactive nature of love, as well as the emotional responsiveness to the ...
13 hours ago · Homologs of the recA gene, including rad51, play a key role in homologous recombinational repair of DNA during meiosis. A rad51 homolog is present in the anther of tomato (Lycopersicon esculentum), suggesting that recombinational repair occurs during meiosis in tomato.
13 hours ago · Iwai, K. et al. A CDC7 inhibitor sensitizes DNA-damaging chemotherapies by suppressing homologous recombination repair to delay DNA damage recovery. Sci. Adv. 7, 1–15 (2021).Article. Iwai，K。等人。CDC7抑制剂通过抑制同源重组修复来延迟DNA损伤恢复，从而使DNA损伤化学疗法敏感。科学。Adv.7，1-15（2021 ...
