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TLS Online TPP Program

#Question id: 1031

Phagocytosis

#Unit 4. Cell Communication and Cell Signaling

  1. is the ingestion of particles and may be performed by animal cells.

  2. is the ingestion of particles and may be performed by bacteria.

  3. is the secretion of proteins.

  4. is the formation of a lysosome.

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TLS Online TPP Program

#Question id: 15387

#Unit 8. Inheritance Biology

How might the results of Bernard Davis's U tube experiment have been different if each strain were only mutant for a single gene?
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: 19917

#Unit 13. Methods in Biology

Antigen-Antibody interactions are__
TLS Online TPP Program

#Question id: 60

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is true for the reaction?

3H2 + N2   2NH3
TLS Online TPP Program

#Question id: 14698

#Unit 13. Methods in Biology

A bag has 13 red, 14 green and 15 black balls. The probability of getting exactly 2 blacks on pulling out 4 balls is P1. Now the number of each colour ball is doubled and 8 balls are pulled out.The probability of getting exactly 4 blacks is P2. Then