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TLS Online TPP Program

#Question id: 5081

 The vegetal pole of a frog zygote differs from the animal pole in that ________.

#5. Developmental Biology

  1. the vegetal pole has a higher concentration of yolk

  2. the blastomeres originate only in the vegetal pole

  3. the vegetal pole cells undergo mitosis, but not cytokinesis

  4. the polar bodies bud from this region

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TLS Online TPP Program

#Question id: 2651

#2. Cellular Organization

In the presence of lactose, how long does it take for the lac operon to be expressed?
TLS Online TPP Program

#Question id: 2652

#2. Cellular Organization

 Which of these acts as an inducer of the lac operon?
TLS Online TPP Program

#Question id: 2653

#2. Cellular Organization

The sequence of the structural genes in the lac operon is
TLS Online TPP Program

#Question id: 2654

#2. Cellular Organization

Regulation of the lac operon can be envisioned as regulation of enzyme synthesis by its
TLS Online TPP Program

#Question id: 2655

#2. Cellular Organization

Lac Operon will be turned on when
TLS Online TPP Program

#Question id: 2656

#2. Cellular Organization

In a cell as per the Operon Concept, the regulator gene governs the chemical reactions by