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TLS Online TPP Program

#Question id: 422

The flow of material through a reaction pathway usually depends on ________.

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. control at several steps in the pathway

  2. control of the first step of the pathway

  3. covalent modification of the enzyme that catalyzes the reaction

  4. feed-forward activation

More Questions
TLS Online TPP Program

#Question id: 3275

#Unit 11. Evolution and Behavior

When imbalances occur in the sex ratio of sexual species that have two sexes (that is, other than a 50:50 ratio), the members of the minority sex often receive a greater proportion of care and resources from parents than do the offspring of the majority sex. This is most clearly an example of ________.
TLS Online TPP Program

#Question id: 26495

#Unit 3. Fundamental Processes

Which of the following is (are) required for splicing to occur?
a. two transesterification reactions
b. intact, naturally occurring introns
c. formation of a lariat like structure 
d. a branch-point G residue
TLS Online TPP Program

#Question id: 2352

#Unit 2. Cellular Organization

The plasma membrane is ______
TLS Online TPP Program

#Question id: 28558

#Unit 5. Developmental Biology

In Dictyostelium, which structure is able to migrate and proceeds to build the fruiting structure?
TLS Online TPP Program

#Question id: 27119

#Unit 4. Cell Communication and Cell Signaling

There is a difference between normal cell proliferation and tumor cell proliferation; (N=nucleus, C=cytoplasm)