Why are free radicals so dangerous to cells, and how are they dealt with by the body?

What will be an ideal response?


Free radicals are highly reactive chemicals that cause havoc in any cellular environment by reacting with things they should not. Cells with peroxisomes have enzymes specific to reducing free radicals into less reactive chemicals.

Anatomy & Physiology

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Hydrocephalus results from an excess of what fluid?

A. Blood B. CSF C. CNS D. ALS

Anatomy & Physiology

An increase in end diastolic volume would have which effect on cardiac output?

A. Increase B. Decrease C. No effect D. Varies from person to person

Anatomy & Physiology

________ connective tissue is a type of ________ connective tissue

A) Hyaline cartilage; dense B) Adipose; dense C) Reticular; dense D) Adipose; loose E) Hyaline cartilage; loose

Anatomy & Physiology

Which of the following is not true regarding RNA?

A) It is transcribed in the nucleus and enters the cytoplasm. B) It is double-stranded. C) It includes ribose, a 5-carbon sugar. D) It has cytosine as one of its four nitrogenous bases.

Anatomy & Physiology