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TLS Online TPP Program

#Question id: 27071

Bond forces and their strength are given match them correctly 

 Force Strength (kJ/mol) 
 1. Van der Waals interactions a. <40
 2. Hydrogen bonds b. 20
 3. Ionic interactions c. 12–30
 4. Hydrophobic interactions d. 0.4–4.0

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. 1-a, 2-b, 3-c, 4-d
  2. 1-b, 2-c, 3-d, 4-a
  3. 1-d, 2-c, 3-b, 4-a
  4.  1-c, 2-b, 3-d, 4-a
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TLS Online TPP Program

#Question id: 6954

#Unit 5. Developmental Biology

Between fertilization and the first cleavage division, actin filaments pull the cytoplasm of the frog egg toward the point of sperm entry in a process called:
TLS Online TPP Program

#Question id: 6955

#Unit 5. Developmental Biology

In frogs, maternally packaged Xwnt-11 leads to nuclear localization of _____ in the _____, which in response signals to adjacent cells to become the _____.
TLS Online TPP Program

#Question id: 6957

#Unit 5. Developmental Biology

The effect of grafting an extra piece of notochord into a dorsal position adjacent to pre-somitic mesoderm is
TLS Online TPP Program

#Question id: 6959

#Unit 5. Developmental Biology

Which of the following is NOT involved in left-right asymmetry of vertebrates?
TLS Online TPP Program

#Question id: 6965

#Unit 5. Developmental Biology

what type of cleavage is used in frog embryos?
TLS Online TPP Program

#Question id: 6966

#Unit 5. Developmental Biology

During gastrulation in the frog, the very first cells to move into the interior of the embryo through the blastopore come from the surface layer of cells in the marginal zone; they will become: