Practice Questions

TLS Online TPP Program

#Question id: 1390

Which of the following statements describes the events of apoptosis?

#4. Cell Communication and Cell Signaling

The cell dies, it is lysed, its organelles are phagocytized, and its contents are recycled.
The cell's DNA and organelles become fragmented, the cell dies, and it is phagocytized.
The cell's DNA and organelles become fragmented, the cell shrinks and forms blebs, and the cell's parts are packaged in vesicles that are digested by specialized cells.
The cell's nucleus and organelles are lysed, and then the cell enlarges and bursts.

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TLS Online TPP Program

#Question id: 11126

#7. System Physiology – Animal

Which of the following is characteristic of the events occurring at an excitatory synapse?

TLS Online TPP Program

#Question id: 12286

#10. Ecological Principles

Keystone predators can maintain species diversity in a community if they

TLS Online TPP Program

#Question id: 5210

#11. Evolution and Behavior

Which of the following is a representation of gene density?

TLS Online TPP Program

#Question id: 12586

#10. Ecological Principles

A biome with dry and rainy seasons, trees in patches, and ground cover of tropical bunchgrass is called a

TLS Online TPP Program

#Question id: 12391

#6. System Physiology – Plant

Which of the following processed are involve in cell enlargement in plant?

a) Osmotic uptake of water across the plasma membrane is driven by the gradient in water potential (∆Yw)

b) Turgor pressure builds up because of the rigidity of the cell wall

c) Biochemical wall loosening occurs, allowing the cell to expand in response to turgor pressure