Practice Questions

TLS Online TPP Program

#Question id: 15388

What do transduction, transformation, and conjugation have in common?

#Unit 8. Inheritance Biology

All require presence of an outside factor to facilitate gene transfer.
In all three processes, DNA is transferred as a single stranded molecule.
They all transfer large pieces of DNA into recipient cells.
None of the above

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TLS Online TPP Program

#Question id: 18604

#Unit 13. Methods in Biology

A student takes a quiz consisting of 5 multiple choice questions. Each question has 4 possible answers. If a student is guessing the answer at random and answer to different are independent, then the probability of atleast one correct answer is

TLS Online TPP Program

#Question id: 1561

#Unit 4. Cell Communication and Cell Signaling

The cells and signaling molecules involved in the initial stages of the inflammatory response are ?

TLS Online TPP Program

#Question id: 8893

#Unit 9. Diversity of Life Forms

While sampling marine plankton in a lab, a student encounters large numbers of fertilized eggs. The student rears some of the eggs in the laboratory for further study and finds that the blastopore becomes the mouth. The embryo develops into a trochophore larva and eventually has a true coelom. These eggs probably belonged to a(n)

TLS Online TPP Program

#Question id: 12029

#Unit 7. System Physiology – Animal

When used appropriately, antibiotic treatment can effectively reduce bacteria populations and help fight infections. However, antibiotic treatments can have unintended effects. What is one concern when using antibiotics?

TLS Online TPP Program

#Question id: 10201

#Unit 6. System Physiology – Plant

Chloroplasts orientation in Algae is controlled by