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TLS Online TPP Program

#Question id: 5655

What is the "acrosomal reaction"?

#Unit 5. Developmental Biology

  1. The acrosomal reaction is a repulsive interaction between the sperm and the egg.

  2. The acrosomal reaction is the digestion of the acrosome by the sperm when it encounters an egg.

  3. The acrosomal reaction is the digestion of the zona pellucida, permitting the sperm to contact the egg.

  4. The acrosomal reaction is the fusion of the sperm and egg plasma membranes.

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TLS Online TPP Program

#Question id: 784

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is not a difference between B-DNA and A-DNA?
TLS Online TPP Program

#Question id: 5314

#Unit 11. Evolution and Behavior

Which of the following statements correctly describes one characteristic of a multigene family?
TLS Online TPP Program

#Question id: 2656

#Unit 2. Cellular Organization

In a cell as per the Operon Concept, the regulator gene governs the chemical reactions by
TLS Online TPP Program

#Question id: 2293

#Unit 2. Cellular Organization

Hooke, Lamark, and Dutrochet are all credited with developing the
TLS Online TPP Program

#Question id: 12607

#Unit 10. Ecological Principles

Which of the following lists of organisms is ranked in correct order from lowest to highest percent in production efficiency?