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TLS Online TPP Program

#Question id: 8927

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that

#Unit 9. Diversity of Life Forms
  1. arthropods have had more time to co-evolve with land plants than have vertebrates.
  2. extant terrestrial arthropods are better adapted to terrestrial life than are extant terrestrial vertebrates.
  3. ancestral arthropods must have been poorly adapted to aquatic life, thus experienced a selective pressure to invade land.
  4. vertebrates evolved from arthropods.
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TLS Online TPP Program

#Question id: 15676

#Unit 2. Cellular Organization

The dairy industry also sometimes uses ultrahigh-temperature (UHT) sterilization. Milk and milk products are heated at
TLS Online TPP Program

#Question id: 15675

#Unit 2. Cellular Organization

Shake tubes are used to determine the
TLS Online TPP Program

#Question id: 15674

#Unit 2. Cellular Organization

During which phase of the bacterial growth curve does the total number of viable cells decline?
TLS Online TPP Program

#Question id: 15673

#Unit 2. Cellular Organization

A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample?
TLS Online TPP Program

#Question id: 15672

#Unit 2. Cellular Organization

Late log phase of the bacterial growth curve
TLS Online TPP Program

#Question id: 15671

#Unit 2. Cellular Organization

The lag phase of the bacterial growth curve is marked by