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[h] Biochemistry Flashcards

[i] Master this session in just 5 minutes.

[q] ……….. remain in G0, regenerate from stem cells. Examples include Neurons, skeletal and cardiac muscle, and RBCs.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFBlcm1hbmVudCBjZWxscy4=[Qq]

[q] …….. enter G1 from G0 when stimulated. Examples include hepatocytes, and lymphocytes.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFN0YWJsZSAocXVpZXNjZW50KSBjZWxscy4=[Qq]

[q] ………. never go to G0, divide rapidly with a short G1. Most affected by chemotherapy. Examples include bone marrow, gut epithelium, skin, hair follicles, and germ cells.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IExhYmlsZSBjZWxscy4=[Qq]

[q] If the pentose is ribose, the nucleic acid is ………, but if the pentose is deoxyribose, the nucleic acid is ……..?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFJOQSAocmlib251Y2xlaWMgYWNpZCksIEROQSAoZGVveHlyaWJvbnVjbGVpYyBhY2lkKS4=[Qq]

[q] ……. contain two rings in their structure. Examples include adenine (A) and guanine (G).

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFB1cmluZXMu[Qq]

[q] ……. have only one ring. Examples include Cytosine (C), Thymine (T), and uracil (U).

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFB5cmltaWRpbmVzLg==[Qq]

[q] Deamination of cytosine makes ………?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IHVyYWNpbC4=[Qq]

[q] Deamination of adenine makes ……….., Deamination of guanine makes ……..?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IGh5cG94YW50aGluZSwgeGFudGhpbmUu[Qq]

[q] Methylation of uracil makes …….?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IHRoeW1pbmUu[Qq]

[q] …….. = base + (deoxy)ribose (Sugar), but …….. = base + (deoxy)ribose + phosphaTe; linked by 3′-5′ phosphodiester bond.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IE51Y2xlb1NpZGUsIE51Y2xlb1RpZGUu[Qq]

[q] ……… content —> ↑ melting temperature of DNA.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IOKGkSBHLUMgKEMtRyBib25kcyBhcmUgbGlrZSBDcmF6eSBHbHVlKS4=[Qq]

[q] …….. is located outside of the nucleosome core and helps to package nucleosomes into more compact structures by binding and linking DNA between adjacent nucleosomes.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IEhpc3RvbmUgSDEu[Qq]

[q] ……. is Condensed, appears darker on EM, Transcriptionally inactive,  and sterically inaccessible.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IEhldGVyb2Nocm9tYXRpbi4=

[q] ………. Less condensed, appears lighter on EM, Transcriptionally active, and sterically accessible.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IEV1Y2hyb21hdGluLg==

[q] Histone methylation reversibly ……… DNA transcription.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IHJlcHJlc3Nlcy4=

JiM4MjExOyBIaXN0b25lIE1ldGh5bGF0aW9uIE1vc3RseSBNYWtlcyBETkEgTXV0ZS4=[Qq]

[q] Histone acetylation ……… DNA transcription.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IEFjdGl2YXRlLg==

JiM4MjExOyBIaXN0b25lIEFjZXR5bGF0aW9uIG1ha2VzIEROQSBBY3RpdmUu[Qq]

[q] Histone deacetylation ……… DNA transcription.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IERlY3JlYXNlLg==[Qq]

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