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TLS Online TPP Program

#Question id: 1022

Why are we concerned at all with monitoring emerging/reemerging diseases?

#SCPH06 I Botany

  1. These represent growing threats to human health that will require new scientific research and resources to effectively combat.

  2. Because globalization (greater trade and travel between countries) leads to more chances for spread of illnesses into new areas and populations. Monitoring these illnesses will help us to protect people.

  3. Because the speed of travel has increased greatly. With increased speed of travel, it is far more likely that a serious pathogenic threat from one area of the world can spread rapidly across the globe in a very fast manner. We need to monitor the occurrence of these illnesses to try to protect populations.

  4. All of the above.

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TLS Online TPP Program

#Question id: 2712

#SCPH05 I Biotechnology

A researcher found a method she could use to manipulate and quantify phosphorylation and methylation in embryonic cells in culture. One of her colleagues suggested she try increased methylation of cytosine (C) nucleotides in the DNA of promoters of a mammalian system. Which of the following results would she most likely see?
TLS Online TPP Program

#Question id: 1098

#SCPH06 I Botany

Which of the following is the most plausible explanation for why an animal cell would be unable to reduce the Ca2+ concentration in its cytosol compared with the extracellular fluid?
TLS Online TPP Program

#Question id: 64

#SCPH06 I Botany

Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates. In what way(s) do these molecules differ from each other? Testosterone and estradiol ________.
TLS Online TPP Program

#Question id: 3686

#SCPH05 I Biotechnology

The short strand of ........ primer is required for the replication of DNA:
TLS Online TPP Program

#Question id: 8703

#SCPH28 | Zoology

In a comparison of birds and mammals, having four limbs is ________.