Two Weights Are Connected by a Massless Wire and Pulled

question 19

Multiple Choice

Two weights are connected by a massless wire and pulled upward with a constant speed of 1.50 m/s by a vertical pull P. The tension in the wire is T (see figure) . P is closest to

• A) 25 N.
• B) 125 N.
• C) 187.5 N.
• D) 245 N.
• E) 1225 N.

Differentiate between the types of extraembryonic membranes and understand their significance.

Understand the process of capacitation and its importance in fertilization.

Describe the sequence of preembryonic structures and their development.

Understand the process and importance of implantation in pregnancy.