Electrons are shared equally in this type of bond:
-hydrogen
-ionic
-polar covalent
-nonpolar covalent.
-nonpolar covalent.
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Chondroblasts ________
A) remain in compact bone even after the epiphyseal plate closes B) within the cartilage divide and secrete new matrix C) never lose their ability to divide D) are mature cartilage cells located in spaces called lacunae
Consider the use of certain reproductive hormones in the practice of animal husbandry. Why would a breeder of herd animals such as dairy cattle be interested in all their breeding females experiencing "heat" at or near the same time (also known as "synchronization")?
What will be an ideal response?
Which of the following is an appendicular muscle group rather than an axial muscle group?
A) muscles of the pelvic floor B) muscles of the head C) oblique and rectus muscles D) hamstring group E) muscles of the vertebral column
During the relative refractory period of an action potential, a larger than normal stimulus is needed to cause another action potential. This is due to the fact that ________
A) the voltage gated potassium ion channels remain open long enough to hyperpolarize the axon membrane B) the membrane is now impermeable to all ions C) the sodium potassium pump will stop working during relative refractory D) the inactivation gates on voltage gated sodium ion channels are closed