The packaging of DNA in cells results in about a ________-fold reduction in length compared to the fully extended DNA (fully stretched out).

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#Question id: 4154

#SCPH28 | Zoology

How many possible codons (of normal size) are possible using the bases found in DNA?

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#Question id: 13095

#SCPH05 I Biotechnology

You are practicing designing primers that you can use in PCR reactions. You want your primers to allow you to amplify the sequence found below.

 

 

 (a) 5’-ACTTCGATATGTCTAAAATAC-3’ and 5’- CGGTAGCGTCTCTGGTTAGCT -3’

(b) 5’-TGAAGCTATACAGATTTTATG-3’ and 5’-GCCATCGCAGAGACCAATCGA-3’

(c) 5’-GTATTTTAGACATATCGAAGT -3’ and 5’-AGCTAACCAGAGACGCTACCG-3’

Find the correct band pattern in gel lanes what size(s) of PCR products you would get if you used the following primers stated in parts (a), (b), and (c) to do a PCR reaction on the template DNA shown above.

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#Question id: 2608

#SCPH28 | Zoology

Which amino acid is involved in last step;

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#Question id: 4726

#SCPH06 I Botany

Which of the following is incorrect regards genomic imprinting?

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#Question id: 3897

#SCPH01 Biochemistry

Gene silencing by RNA interference acts by of the target gene.