Ovulation involves the release of the _____________ from a vesicular follicle.
a. Spermatogonia
b. Secondary oocyte
c. Primary oocyte
d. Primary spermatocyte
e. Secondary spermatocyte
b. Secondary oocyte
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Endocrine responses occur more slowly and last longer than neural responses
Indicate whether the statement is true or false
Once a signal molecule has left the neuron and binds to a receptor molecule on the surface of the muscle fiber, a sodium channel opens, allowing more sodium entry into the muscle fiber and the creation of an action potential. Which substance is then released from the sarcoplasmic reticulum?
A) calcium B) acetylcholine C) sodium D) sodium and potassium
What is membrane potential?
A. The ability of a membrane to actively transport carbohydrates out of the cytoplasm B. The ability of molecules to pass through the nuclear envelope C. The electrical charge difference across the plasma membrane resulting from differences in ion concentrations inside and outside the cell D. The rate of ATP production and transport by mitochondria
The diamond-shaped area between the lower limbs is called the perineum.
Answer the following statement true (T) or false (F)