Who performed classic experiments that supported the semiconservative model of DNA replication?

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#Question id: 28981

#Unit 7. System Physiology – Animal

Phenylketonuria (PKU) is caused by___

I-Mutation of the gene for phenylalanine hydroxylase

II-tetrahydrobiopterin (BH4) deficiency

III-mutation in dihydroxyphenylalanine 

IV-due to the substitution mutation in tetrahydrobiopterin

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#Question id: 16497

#Unit 12. Applied Biology

Which vir gene act as an endonuclease and helps to nick the right border

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#Question id: 15901

#Unit 12. Applied Biology

The following features are included between the shoot buds and somatic embryo;

                                                                             FEATURES

A) SHOOT BUD                                 i) Originated from the many cells, usually superficial

B) SOMATIC EMBRYO                        ii) Polarity is defined as bipolar; both shoot and root poles present

                                                        iii) Vascular strands connected with those present in callus/explant

                                                       iv) Easily separated from the callus/explant

                                                        v) There is no vascular connection with callus/explant

Which of the following correctly represents the features of  shoot buds and somatic embryo?

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#Question id: 11232

#Unit 9. Diversity of Life Forms

Penicillin is an antibiotic that inhibits enzymes from catalyzing the synthesis of peptidoglycan, so which prokaryotes should be most vulnerable to inhibition by penicillin?

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#Question id: 15239

#Unit 13. Methods in Biology

Which of the following are the three important components of gel Electrophoresis 

a) Current applied

b) Buffer system used 

c) Gel concentration 

d) Surface of electrophoresis kit