When a muscle fiber contracts, the I bands diminish in size, the H zones disappear, and the A bands do not diminish in length

Indicate whether the statement is true or false


TRUE

Anatomy & Physiology

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Freshly voided urine has very little smell, but shortly after voiding it can give off a very strong smell. Why?

What will be an ideal response?

Anatomy & Physiology

The cellular abnormality that causes cystic fibrosis is

A) abnormal potassium channels in heart muscle. B) absence of the ability to feel pain. C) abnormal chloride channels that trap salt inside cells lining the lung passageways. D) extra receptors for a growth factor.

Anatomy & Physiology

The most common type of leukocyte is indicated by ________

Anatomy & Physiology

In mice, the overexpression of a transcription factor PRDM16 results in an increase in BAT, which appears to be important

A) As an uncoupling protein. B) In decreasing mitochondrial respiration. C) In protection against metabolic dysfunctions, such as obesity. D) In ATP production.

Anatomy & Physiology