From each primary spermatocyte, __________ sperm cell(s) is (are) produced; from each primary oocyte, __________ secondary oocyte(s) is (are) produced.
A) 1, 2
B) 1, 4
C) 2, 2
D) 4, 1
E) 4, 2
Answer: D) 4, 1
You might also like to view...
Which of the following is a factor that affects the velocity and duration of muscle contraction?
A) number of muscle fibers stimulated B) size of the muscle fibers stimulated C) load on the fiber D) muscle length
A beam hook can assist the veterinarian in treating cattle's ________________________________________
Fill in the blank(s) with correct word
Identify the bone containing the cribriform plate. What is significant about this structure?
A) sphenoid; it forms the floor of the cranium and the roof of the nasal cavity and olfactory foramina run through it B) sphenoid; it forms the posterior part of the hard palate C) ethmoid; it forms the floor of the cranium and the roof of the nasal cavity and olfactory foramina run through it D) ethmoid; it forms the posterior part of the hard palate E) palatine; it forms the posterior part of the hard palate
Which of the following statements accurately describes the pressure in the atria and ventricles at the beginning of the cardiac cycle?
A) Pressure is highest in the atria and lowest in the ventricles. B) Pressure is lowest in the atria and highest in the ventricles. C) Pressure is equal in the chambers of the heart. D) We're unsure of the pressure in the beginning of the cardiac cycle.