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TLS Online TPP Program

#Question id: 2202

The distribution of K+ across an artificial membrane was measured, and the concentrations were found to be equal on both sides. Which of the following statements is true about the distribution of K+?

#Unit 2. Cellular Organization

  1. K+ must be at equilibrium across the cell membrane.

  2. K+ cannot be at equilibrium across the membrane.

  3. There cannot be a membrane potential under these conditions.

  4. More information is needed to determine whether K+ is at equilibrium.

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TLS Online TPP Program

#Question id: 5628

#Unit 5. Developmental Biology

In sea urchins, the acrosome reaction is initiated by-
TLS Online TPP Program

#Question id: 33981

#Unit 2. Cellular Organization

The scaffold-associated regions are separated by loops of DNA. The scaffold itself may contain several proteins such as
A. Topoisomerase
B. SMCs
C. RNA Polymerase
TLS Online TPP Program

#Question id: 4234

#Unit 3. Fundamental Processes

Accuracy in the translation of mRNA into the primary structure of a polypeptide depends on specificity in the __.
TLS Online TPP Program

#Question id: 517

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is not regulated in glycolysis?
TLS Online TPP Program

#Question id: 11761

#Unit 9. Diversity of Life Forms

A snail-like, coiled, porous test (shell) of calcium carbonate is characteristic of which group?