In a typical a-helix of 12 (or n) residues, there are 8 (or n-4) hydrogen bonds.

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#Id: 882

#Unit 13. Methods in Biology

The genetic diseases caused by trinucleotide repeat SSRs within genes. Huntington disease (HD) is one of the approximately 20 such trinucleotide repeat diseases in humans. HD is transmitted as an autosomal dominant mutation.

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#Id: 5044

#Unit 3. Fundamental Processes

Only fully methylated origins can initiate replication;

hemimethylated daughter origins cannot be used again until they have been restored to the fully methylated state.

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#Id: 5643

#Unit 7. System Physiology – Animal

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#Id: 5633

#Unit 7. System Physiology – Animal

The retina organized into layers: Outer nuclear layer contains the photoreceptors , rods & cones 

Inner nuclear layer contains the cell bodies of excitatory and

inhibitory interneurons including bipolar cells, horizontal cells, & amacrine cells

TLS Online TPP Program

#Id: 6133

#Unit 3. Fundamental Processes

The oxoG adduct is highly mutagenic because it can base-pair with adenine as well as with cytosine. If it base-pairs with adenine during replication, it gives rise to a G:C to T:A transversion, which is one of the most common mutations found in human cancers.