TLS Online TPP Program

#Question id: 23628


Which of the following is true concerning genomic libraries?

#Unit 13. Methods in Biology
  1. Genomic libraries often use cloning vectors derived from plasmid vectors.
  2. Total restriction digestion frequently is used to ensure that the library contains every gene.
  3. Genomic libraries include both expressed and non-expressed DNA from an organism.
  4. All of the above
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TLS Online TPP Program

#Question id: 30108

#Unit 1. Molecules and their Interaction Relevant to Biology

Aspartate plays a role in all of the following EXCEPT:

TLS Online TPP Program

#Question id: 28235

#Unit 5. Developmental Biology

 Principles of stem cell regulation including extracellular mechanism which define the physical and chemical regulation, which of the following statements best describe the main differences between these two mechanism?
a) physical mechanism takes the form of secreted proteins from surrounding cells that influence stem cell & progenitor differentiation through endocrine
b) Chemical mechanisms including Structural & adhesion factors within the extracellular matrix 
c) physical mechanisms including Structural & adhesion factors within the extracellular matrix 
d) chemical regulation of stem cells takes the form of secreted proteins from surrounding cells that influence stem cell & progenitor differentiation through endocrine

TLS Online TPP Program

#Question id: 26909

#Unit 10. Ecological Principles

Organic matter is limited at one particular horizon layer and not found in other layer at which horizon layer has organic matter is limited?

TLS Online TPP Program

#Question id: 5577

#Unit 5. Developmental Biology

Totipotency is a term used to describe a cell's ability to give rise to a complete new organism. In plants, this means that ________.

TLS Online TPP Program

#Question id: 3263

#Unit 11. Evolution and Behavior

From an evolutionary point of view, plant tendrils derived from leaves and those derived from stems are examples of