Practice Questions

TLS Online TPP Program

#Question id: 11703

A female athlete who took testosterone-like steroids for several months stopped having normal menstrual cycles. What is the best explanation for this observation?

#Unit 7. System Physiology – Animal

Testosterone stimulates inhibin production from the corpus luteum
Testosterone binds to receptors in the endometrium, resulting in the endometrium’s failure to develop during the normal cycle
Testosterone binds to receptors in the anterior pituitary that stimulate the secretion of follicle stimulating hormone (FSH) and luteinizing hormone (LH)
Testosterone inhibits the hypothalamic secretion of gonadotropin-releasing hormone and the pituitary secretion of LH and FSH

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TLS Online TPP Program

#Question id: 23844

#Unit 2. Cellular Organization

Thin-filament regulation is,

TLS Online TPP Program

#Question id: 10732

#Unit 10. Ecological Principles

A community plus the nonliving factors with which it interacts is called a(n)

TLS Online TPP Program

#Question id: 31052

#Unit 4. Cell Communication and Cell Signaling

The SH3 domains in GRB2 selectively bind to:

TLS Online TPP Program

#Question id: 2264

#Unit 2. Cellular Organization

Plants differ from animals in that plants have

TLS Online TPP Program

#Question id: 3600

#Unit 8. Inheritance Biology

Following is monohybrid cross for two character are given

Following some observation are Correct?

A) Incomplete dominance in flower color

B) Complete dominance in seed color

C) Flower color does not follow law of segregation

D) No blending inheritance in seed color