Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 6439
TLS Online TPP Program

#Question id: 8954

Which of the following is descriptive of protostomes?

#Unit 9. Diversity of Life Forms
  1. spiral and indeterminate cleavage, blastopore becomes mouth
  2. spiral and determinate cleavage, blastopore becomes mouth
  3. spiral and determinate cleavage, blastopore becomes anus
  4. radial and determinate cleavage, blastopore becomes anus
More Questions
TLS Online TPP Program

#Question id: 12592

#Unit 10. Ecological Principles

Use the following diagram of five islands formed at around the same time near a particular mainland and MacArthur and Wilson's island biogeography principles to answer the following questions.

Which island would likely have the greatest species diversity?
TLS Online TPP Program

#Question id: 33479

#Unit 2. Cellular Organization
TLS Online TPP Program

#Question id: 12306

#Unit 7. System Physiology – Animal

 Which of the following is true of the tubular fluid that passes through the lumen of the early distal tubule in the region of the macula densa?
TLS Online TPP Program

#Question id: 14523

#Unit 13. Methods in Biology

A man takes a step forward with probability 0.4 and backward with probability 0.6. The probability that at the end of eleven steps he is one step away from the starting point.
TLS Online TPP Program

#Question id: 24638

#Unit 2. Cellular Organization

The type I topoisomerase reaction The ends are ligated by a second nucleophilic attack which can be inhibited by