Explain why an animal cell without centrioles cannot divide.

What will be an ideal response?


Centrioles are a structure used during mitosis of cell division. During metaphase and anaphase the centrioles direct the movement of chromosomes to opposite ends of the cell so that cytokinesis will result in two daughter cells, each containing its own set of chromosomes.

Anatomy & Physiology

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Damage to which of the cranial nerves in the diagram would result in strabismus?

a) A b) B c) C d) E e) G

Anatomy & Physiology

The actions of the kidney include regulation of ________.

A. blood plasma volume B. blood plasma pH C. blood plasma electrolyte concentration D. All of the choices are correct.

Anatomy & Physiology

The blood-brain barrier (BBB) helps prevent hemorrhages in the nervous tissue of the brain.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Select the answer that correctly orders the events that occur when a nerve signal reaches the synaptic knob.

(1) The neurotransmitters bind to receptors on the postsynaptic cell. (2) The postsynaptic cell is stimulated to initiate a nerve signal. (3) Synaptic vesicles release neurotransmitters via exocytosis. (4) Neurotransmitters diffuse across synaptic cleft. A. 1, 2, 3, 4 B. 2, 3, 1, 4 C. 4, 3, 1, 2 D. 3, 4, 1, 2 E. 2, 3, 4, 1

Anatomy & Physiology