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TLS Online TPP Program

#Question id: 7282

In humans, neural tube closure defects occur in about 1 in every 1000 live births. Failure to close the neural tube can result from both genetic and environmental causes. A recent report has demonstrated that zinc deficiency disrupts neural tube closure by:

#Unit 5. Developmental Biology
  1. Leading to the stabilization of p53 and consequently increased apoptosis
  2. Leading to the stabilization of p53 and consequently decreased apoptosis
  3. Leading to the stabilization of PTEN and consequently increased apoptosis

  4. Leading to the stabilization of PTEN and consequently decreased apoptosis

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TLS Online TPP Program

#Question id: 32144

#Unit 1. Molecules and their Interaction Relevant to Biology

Extremely narrow but very deep of Major-groove proportions are found in
TLS Online TPP Program

#Question id: 853

#Unit 1. Molecules and their Interaction Relevant to Biology

In the presence of a large excess of _______ the disulfides (cystines) are fully converted into sulfhydryls (cysteines).
TLS Online TPP Program

#Question id: 4849

#Unit 8. Inheritance Biology

When F1generation of a dihybrid is allowed to test cross, the expected ratio is of genotype when complete linkage?
TLS Online TPP Program

#Question id: 1390

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements describes the events of apoptosis?
TLS Online TPP Program

#Question id: 11587

#Unit 7. System Physiology – Animal

People experiencing chronic stress may be more likely to become sick because ________.