Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 333
TLS Online TPP Program

#Question id: 351

 If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions ________.

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. is 10 times higher in the cytoplasm than in the mitochondrial matrix

  2. is 10 times higher in the mitochondrial matrix than in the cytoplasm

  3. in the cytoplasm is 7/8 the concentration in the mitochondrial matrix

  4. in the cytoplasm is 8/7 the concentration in the mitochondrial matrix

More Questions
TLS Online TPP Program

#Question id: 20257

#Unit 12. Applied Biology

The primary function of accumulation of proline arid other solutes, e.g., glycine betaine appears to be the regulation of 
TLS Online TPP Program

#Question id: 1367

#Unit 4. Cell Communication and Cell Signaling

Match the following junctions (column A) with their intracellular adaptors (column B).

Column A

Column B

A. Adherens junctions

I. Plectin, dystonin

B. Desmosomes

II. ZO-1,2,3

C. Hemidesmosomes

III. Catenins, vinculin

D. Gap junctions

IV. Plakoglobin, plakophilins

TLS Online TPP Program

#Question id: 12103

#Unit 10. Ecological Principles

Which of the following is a good description of an ecological niche? 
TLS Online TPP Program

#Question id: 15392

#Unit 5. Developmental Biology

If an optic vesicle from a Xenopus laevis embryo is placed underneath head ectoderm in a different part of the head from where the frog’s optic vesicle normally occurs then what happens?
TLS Online TPP Program

#Question id: 28318

#Unit 5. Developmental Biology

In case of mammalian fertilization, mutations in either Juno or Izumo that leads to___