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DNA damage can be recognized by enzymes, and thus can be correctly repaired using the complementary undamaged strand in DNA as a template or an undamaged sequence in a homologous chromosome if it is available for copying. If a cell retains DNA damage, transcription of a gene can be prevented and thus translation into a protein will also be blocked.
DNMT1 is the proposed maintenance methyltransferase that is responsible for copying DNA methylation patterns to the daughter strands during DNA replication. Mouse models with both copies of DNMT1 deleted are embryonic lethal at approximately day 9, due to the requirement of DNMT1 activity for development in mammalian cells. [citation needed]
Factors in female mate choice include the woman's own perceived attractiveness, the woman's personal resources, mate copying and parasite stress. [67] Romantic love is the mechanism through which long-term mate choice occurs in human females. [69] In humans, females have to endure a nine-month pregnancy and childbirth. [67]
21.18 DNA. 2 comments. 22 December 22. Toggle December 22 subsection. 22.1 Zinc lozenges. ... Download as PDF; Printable version; In other projects Appearance. move ...
Following Buchner's example, enzymes are usually named according to the reaction they carry out: the suffix -ase is combined with the name of the substrate (e.g., lactase is the enzyme that cleaves lactose) or to the type of reaction (e.g., DNA polymerase forms DNA polymers). [16] The biochemical identity of enzymes was still unknown in the ...
Bioinformatics and computational biology involved the analysis of biological data, particularly DNA, RNA, and protein sequences. The field of bioinformatics experienced explosive growth starting in the mid-1990s, driven largely by the Human Genome Project and by rapid advances in DNA sequencing technology. [citation needed]
Genes are made of DNA. DNA is a long molecule made up of individual molecules called nucleotides. Genetic information is encoded in the sequence of nucleotides, that make up the DNA, just as the sequence of the letters in words carries information on a page. The genes are like short instructions built up of the "letters" of the DNA alphabet.
9.2.2.1 Work to date. ... Download as PDF; Printable version; In other projects ... Additional evidence from DNA sampling suggests bettas may have been bred for ...