Phages that can either replicate and cause cell lysis or can integrate their DNA into the host DNA are called

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#Question id: 20401

#Unit 3. Fundamental Processes

There were four rules of parity given by Erwin Chargaff 

1) Base A in one strand of the duplex is matched by (T) in the other strand, and base G in one strand of the duplex is matched by a complementary base (C) in the other strand

2) equal amounts of A and T, and equal amounts of C and G, in each single strand of the duplex. 

3) Purines in non-template strand applies more closely to Exons

4) GC content tends to be greater in exons than in introns

choose the correct option regarding rules 

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#Question id: 24520

#Unit 11. Evolution and Behavior

which of the following characteristics that are involved to enhances the survival and reproduction of organisms that bear it ?

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#Question id: 20278

#Unit 7. System Physiology – Animal

What type of protein is human growth hormone?

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#Question id: 727

#Unit 1. Molecules and their Interaction Relevant to Biology

26-residue peptide composed of alanine and leucine shows a circular dichroism (CD) spectrum characteristic of α-helix at 50°C in 5 mM phosphate buffer at pH 7.4. When the peptide solution is cooled gradually to 25°C, and the CD spectra are recorded at different temperatures, the most likely observation will be that

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#Question id: 28336

#Unit 5. Developmental Biology

Which of the following gene has the ability to divide the embryo into 14-segment-wide units, establishing the periodicity of the embryo?