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TLS Online TPP Program

#Question id: 2116

When a cell is in equilibrium with its environment, which of the following processes occurs for substances that can diffuse through the plasma membrane?

#Section 2: General Biology

  1. There is directed movement of substances into and out of the cell.

  2. There is random movement of substances into and out of the cell.

  3. There is no movement of substances into or out of the cell.

  4. All movement of molecules across the plasma membrane occurs by active transport.

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TLS Online TPP Program

#Question id: 2286

#Section 3: Genetics, Cellular and Molecular Biology

Bacterial flagella propel the cell by using
TLS Online TPP Program

#Question id: 3914

#Section 3: Genetics, Cellular and Molecular Biology

A consensus sequence
TLS Online TPP Program

#Question id: 14169

#Section 4: Fundamentals of Biological Engineering

Unsweetened condensed milk is a shelf-stable canned milk product. If 100kg of fresh milk, containing 87% water and the rest milk solids, is condensed using an evaporator to remove 60% of the water from the fresh milk, calculate:

 The mass of water evaporated
TLS Online TPP Program

#Question id: 1686

#Section 2: General Biology

A hapten is best defined as being:
TLS Online TPP Program

#Question id: 410

#Section 4: Fundamentals of Biological Engineering

For the reaction A -> B, the Keq' is 10^4.  If a reaction mixture originally contains 1 mmol of A and no B, which one of the following must be true?