TLS Online TPP Program

#Question id: 7164


If an amphibian zygote is manipulated so that the first cleavage plane fails to divide the gray crescent, then ________.

#Unit 5. Developmental Biology
  1. the daughter cell with the entire gray crescent will die
  2. both daughter cells will develop normally, because amphibians are totipotent at this stage
  3. only the daughter cell with the gray crescent will develop normally
  4. both daughter cells will develop abnormally

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TLS Online TPP Program

#Question id: 10252

#Unit 6. System Physiology – Plant

When molecular oxygen is unavailable—for example, in plant roots in flooded soils—glycolysis can be the main source of energy for cells, How?

TLS Online TPP Program

#Question id: 10253

#Unit 6. System Physiology – Plant

Two pathways for the splitting of sucrose are known in plants, both of which take part in the use of sucrose from phloem unloading;

TLS Online TPP Program

#Question id: 10254

#Unit 6. System Physiology – Plant

Sucrose is split into its two monosaccharide units—glucose and fructose—which can readily enter the glycolytic pathway. Two pathways for the splitting of sucrose are known in plants, both of which take part in the use of sucrose from phloem unloading; Invertase pathway and sucrose synthase pathway, some statements are given about these pathways, which of the following is incorrect?

TLS Online TPP Program

#Question id: 10255

#Unit 6. System Physiology – Plant

In sucrose synthase combines sucrose with UDP to produce fructose and UDP-glucose in the cytosol. What is the function of UDP-glucose pyrophosphorylase?

TLS Online TPP Program

#Question id: 10256

#Unit 6. System Physiology – Plant

Both sucrose synthase and invertases can degrade sucrose for glycolysis, what will happen if one of the enzymes is absent or mutant?

TLS Online TPP Program

#Question id: 10273

#Unit 6. System Physiology – Plant

The existence of different pathways that serve a similar function and can replace each other without a clear loss in function is called,