TLS Online TPP Program

#Question id: 11212


The activity of acetylcholine in a synapse is terminated by its ________.

#Unit 7. System Physiology – Animal
  1. diffusion across the presynaptic membrane
  2. active transport across the postsynaptic membrane
  3. diffusion across the postsynaptic membrane
  4. degradation on the postsynaptic membrane
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TLS Online TPP Program

#Question id: 5044

#Unit 5. Developmental Biology

The cell might not look different from its nearest or most distant neighbors in the embryo and show no visible signs of differentiation, but its developmental fate has become restricted, the process known as-

TLS Online TPP Program

#Question id: 5045

#Unit 5. Developmental Biology

When the four blastomere pairs of the 8-cell embryo are dissociated, each forms the structures it would have formed had it remained in the embryo, that means it undergoes to-

TLS Online TPP Program

#Question id: 5046

#Unit 5. Developmental Biology

During early cleavage stages in drosophila, nuclei divide through 13 cycles in the absence of any cytoplasmic cleavage. This division creates an embryo of many nuclei contained within one shared cytoplasm surrounded by one common plasma membrane, this process is called as-

TLS Online TPP Program

#Question id: 5047

#Unit 5. Developmental Biology

The process of commitment can be divided into following two stages-

TLS Online TPP Program

#Question id: 5048

#Unit 5. Developmental Biology

when a cell or tissue is capable of differentiating autonomously even when placed into another region of the embryo or a cluster of differently specified cells in a petri dish. This cell or tissue said to be-

TLS Online TPP Program

#Question id: 5049

#Unit 5. Developmental Biology

The fundamental notion of a stem cell is that it can make more stem cells while also producing cells committed to undergoing differentiation. This process is called as-