Practice Questions

TLS Online TPP Program

#Question id: 5315

In humans, the embryonic and fetal forms of hemoglobin have a higher affinity for oxygen than that of adults. Why is this the case?

#Unit 11. Evolution and Behavior

Nonidentical genes produce different versions of globins during development.
Pseudogenes interfere with gene expression in adults.
The attachment of methyl groups to cytosine following birth changes the type of hemoglobin produced.
Histone proteins change shape during embryonic development.

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TLS Online TPP Program

#Question id: 24572

#Unit 10. Ecological Principles

Find out the characteristics of geometric growth?

a. It can grow for both periodic and continuous breeders

b. depends on the activity of net reproductive growth rate

c. unlimited Population Growth Leads to J-shaped

d. unlimited Population Growth Leads to S-shaped

e. resources are not limited

TLS Online TPP Program

#Question id: 23527

#Unit 1. Molecules and their Interaction Relevant to Biology

Humans interfere with the natural phosphorus cycle by

TLS Online TPP Program

#Question id: 11921

#Unit 10. Ecological Principles

Which of the following would be considered to be a natural population in a pond?

TLS Online TPP Program

#Question id: 10976

#Unit 7. System Physiology – Animal

In a resting adult, the typical ventricular ejection fraction has what value?

TLS Online TPP Program

#Question id: 19099

#Unit 6. System Physiology – Plant

Xanthomonas oryzae secretes a highly conserved sulfated peptide called__