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TLS Online TPP Program

#Question id: 9192

The oak tree pathogen Phytophthora ramorum has migrated 650 km in ten years. West Nile virus spread from New York State to 46 others states in five years. The difference in the rate of spread is probably related to

#Unit 9. Diversity of Life Forms
  1. how lethal each pathogen is.
  2. the mobility of their hosts.
  3. the fact that viruses are very small.
  4. innate resistance.
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TLS Online TPP Program

#Question id: 2372

#Unit 2. Cellular Organization

The principal component of the cell wall is
TLS Online TPP Program

#Question id: 2373

#Unit 2. Cellular Organization

Plasmodesmata
TLS Online TPP Program

#Question id: 2374

#Unit 2. Cellular Organization

Which of the following best describes the fluid mosaic model?
TLS Online TPP Program

#Question id: 2375

#Unit 2. Cellular Organization

 Plastids that contain starch are called _________, whereas those that contain red and yellow pigments are called_________.
TLS Online TPP Program

#Question id: 2376

#Unit 2. Cellular Organization

Which organelle is composed of cristae and a matrix?
TLS Online TPP Program

#Question id: 2377

#Unit 2. Cellular Organization

The chloroplast is the site of…………           , whereas the mitochondrion is the site of…………..