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TLS Online TPP Program

#Question id: 11757

Which of the following tends to decrease potassium secretion by the cortical collecting tubule?

#XL - T Zoology
  1. Increased plasma potassium concentration
  2. A diuretic that decreases proximal tubule sodium reabsorption
  3. A diuretic that inhibits the action of aldosterone (e.g., spironolactone)
  4. Acute alkalosis
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TLS Online TPP Program

#Question id: 6959

#XL - T Zoology

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

#Question id: 6960

#XL - T Zoology

At the blastocyst stage during mammalian embryonic development, the specification of trophectoderm requires ________; whereas in inner cell mass _________activation is essential.
TLS Online TPP Program

#Question id: 6961

#XL - T Zoology

Do HOX genes play a role in the development of C. elegans?
TLS Online TPP Program

#Question id: 6962

#XL - T Zoology

In which way is the organizer region of the sea urchin similar to that in frogs?
TLS Online TPP Program

#Question id: 6964

#XL - T Zoology

If embryos are disaggregated with chemicals or proteases, and the individual cells are mixed together in culture, what will happen?
TLS Online TPP Program

#Question id: 6965

#XL - T Zoology

what type of cleavage is used in frog embryos?