TLS Online TPP Program

#Question id: 10230


Closely related species whose populations are sometimes allopatric showing greater morphology similarity but in a sympatric with distinct morphology due to

#Zoology
  1. Sympatric populations, which would potentially intraspecific competition for resources, show differences in body structures and in the resources they use
  2. Sympatric populations may influenced to dissimilar environmental condition, differences in body structures and in the resources they use
  3. Sympatric populations, which would potentially compete for mate choice, show differences in body structures and in the resources they use
  4. Interspecific competition in this system could change the morphology of competing species of sympatric population
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TLS Online TPP Program

#Question id: 10341

#Life Sciences

The accumulation of nitrate that results from diminished nitrate reductase activity, this symptoms is caused by

TLS Online TPP Program

#Question id: 10341

#Applied Microbiology

The accumulation of nitrate that results from diminished nitrate reductase activity, this symptoms is caused by

TLS Online TPP Program

#Question id: 10341

#Environmental Science

The accumulation of nitrate that results from diminished nitrate reductase activity, this symptoms is caused by

TLS Online TPP Program

#Question id: 10342

#Botany

Nitrate reductase is an important enzyme for nitrate assimilation. Given below some regulation of nitrate reductase activity through phosphorylation and dephosphorylation.

a) Light, and other environmental factors stimulate a protein phosphatase that dephosphorylates a key serine residue in the hinge 1 region of nitrate reductase and thereby activates the enzyme

b) In Dark, and Mg2+ stimulate a protein kinase that phosphorylates the same serine residues, which then interact with a 14-3-3 inhibitor protein, and thereby inactivate nitrate reductase

c) In Light, and Mg2+ stimulate a protein kinase that phosphorylates the serine residues, and thereby activate nitrate reductase

d) In Dark, and other environmental factors stimulate a protein phosphatase that dephosphorylates a key serine residue in the hinge 1 region of nitrate reductase and thereby inactivates the enzyme

Which of the following statements about regulation of nitrate reductase is correct?

TLS Online TPP Program

#Question id: 10342

#Plant Biotechnology

Nitrate reductase is an important enzyme for nitrate assimilation. Given below some regulation of nitrate reductase activity through phosphorylation and dephosphorylation.

a) Light, and other environmental factors stimulate a protein phosphatase that dephosphorylates a key serine residue in the hinge 1 region of nitrate reductase and thereby activates the enzyme

b) In Dark, and Mg2+ stimulate a protein kinase that phosphorylates the same serine residues, which then interact with a 14-3-3 inhibitor protein, and thereby inactivate nitrate reductase

c) In Light, and Mg2+ stimulate a protein kinase that phosphorylates the serine residues, and thereby activate nitrate reductase

d) In Dark, and other environmental factors stimulate a protein phosphatase that dephosphorylates a key serine residue in the hinge 1 region of nitrate reductase and thereby inactivates the enzyme

Which of the following statements about regulation of nitrate reductase is correct?

TLS Online TPP Program

#Question id: 10342

#Life Sciences

Nitrate reductase is an important enzyme for nitrate assimilation. Given below some regulation of nitrate reductase activity through phosphorylation and dephosphorylation.

a) Light, and other environmental factors stimulate a protein phosphatase that dephosphorylates a key serine residue in the hinge 1 region of nitrate reductase and thereby activates the enzyme

b) In Dark, and Mg2+ stimulate a protein kinase that phosphorylates the same serine residues, which then interact with a 14-3-3 inhibitor protein, and thereby inactivate nitrate reductase

c) In Light, and Mg2+ stimulate a protein kinase that phosphorylates the serine residues, and thereby activate nitrate reductase

d) In Dark, and other environmental factors stimulate a protein phosphatase that dephosphorylates a key serine residue in the hinge 1 region of nitrate reductase and thereby inactivates the enzyme

Which of the following statements about regulation of nitrate reductase is correct?