#Question id: 28579
#Unit 5. Developmental Biology
Which of the following growth factor causes proliferation of the Sertoli cell precursors and stimulates their differentiation?
#Question id: 11074
#Unit 7. System Physiology – Animal
A 30-year-old woman performs a valsalva maneuver about
30 min after eating lunch. Which of the following best describes the changes in
pulmonary and systemic blood volumes that occur in this woman?
#Question id: 28993
#Unit 7. System Physiology – Animal
The entry of glucose into pancreatic β cells is mediated by glucose transporter which is?
#Question id: 26787
#Unit 8. Inheritance Biology
In the S phase of meiotic interphase, each chromosome replicates, producing two copies of each allele, one on each chromatid, the homologous chromosomes segregation takes place in__
Which of the following statements is correct about the segregation of chromosomes?
a.If no crossing over has taken place, the two chromatids of each chromosome segregate in anaphase II and are identical
b. If crossing over has taken place, the two chromatids are no longer identical, and the different alleles segregate in anaphase II
c. If no crossing over has taken place, the two chromatids of each chromosome segregate in anaphase I and are identical
#Question id: 10252
#Unit 6. System Physiology – Plant
When molecular oxygen is unavailable—for example, in plant roots in flooded soils—glycolysis can be the main source of energy for cells, How?