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TLS Online TPP Program

#Question id: 7060

What would be the result of a mutation in a maternal effect gene in a female Drosophila?

#Unit 5. Developmental Biology
  1. She will not develop past the early embryonic stage.
  2. All of her offspring will show the mutant phenotype, regardless of their genotype.
  3. Only her male offspring will show the mutant phenotype.
  4. Only her female offspring will show the mutant phenotype.
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TLS Online TPP Program

#Question id: 12274

#Unit 7. System Physiology – Animal

Before intercourse, a woman irrigates her vagina with a solution that lowers the pH of the vaginal fluid to 4.5. What will be the effect on sperm cells in the vagina?
TLS Online TPP Program

#Question id: 20268

#Unit 7. System Physiology – Animal

Choose correct statements about synthesis and processing of antidiuretic hormone and oxytocin.
a. ADH and oxytocin are homologous nonapeptides (containing nine amino acids).
b. Are synthesized in the supraoptic and paraventricular nuclei of the hypothalamus respectively.
c. The ADH neurons have their cell bodies primarily in the paraventricular nuclei.
d. The oxytocin neurons have their cell bodies primarily in supraoptic nuclei of the hypothalamus.
TLS Online TPP Program

#Question id: 20317

#Unit 7. System Physiology – Animal

Which of the following statements correctly describes the pathophysiology of Cushing's disease?
TLS Online TPP Program

#Question id: 20316

#Unit 7. System Physiology – Animal

Which of the following statements best describes Cushing's syndrome?
TLS Online TPP Program

#Question id: 20315

#Unit 7. System Physiology – Animal

The testes have an additional enzyme, which converts androstenedione to testosterone:
TLS Online TPP Program

#Question id: 20314

#Unit 7. System Physiology – Animal

Conversion of cholesterol to pregnenolone is mediated by the