Practice Questions

TLS Online TPP Program

#Question id: 5677

During acrosome reaction, after binding with the egg many sperm membrane proteins are activated. Which of the following membrane protein is not activated?

#Unit 5. Developmental Biology

A calcium transport channel that allows Ca²⁺ to enter the sperm head.
a sodium-hydrogen exchanger that pumps sodium ions (Na+) into the sperm as it pumps hydrogen ions (H+) out.
a phospholipase enzyme that activate IP3 pathway.
a potassium-hydrogen exchanger that pumps potassium ions (k+) into the sperm as it pumps hydrogen ions (H+) out.

More Questions

TLS Online TPP Program

#Question id: 5835

#Unit 8. Inheritance Biology

Which of the following human diseases is associated with defects in nucleotide excision repair?

TLS Online TPP Program

#Question id: 5836

#Unit 8. Inheritance Biology

Nonreciprocal recombination, or ___, results from DNA repair synthesis that occurs during the recombination process.

TLS Online TPP Program

#Question id: 5837

#Unit 8. Inheritance Biology

Which of the following lead(s) to a point mutation?

TLS Online TPP Program

#Question id: 5687

#Unit 8. Inheritance Biology

The error in meiosis that produces a 47,XYY karyotype is best described by

TLS Online TPP Program

#Question id: 5688

#Unit 8. Inheritance Biology

Which of the following are not cause of aneuploidy

TLS Online TPP Program

#Question id: 5689

#Unit 8. Inheritance Biology

What kind of aneuploidy gamete will be generated if meiotic nondisjuction in second division (n represent haploid number of chromosome )