While at a Conference Dealing with Issues Related to Ageing

question 38

Multiple Choice

While at a conference dealing with issues related to ageing, Dikeledi is interested in learning about how sleep patterns change in late life. She will be best served by attending a presentation entitled '____ and the elderly.'

• A)Circadian rhythms
• B)Neuritic plaques
• C)Monoamine oxidase inhibitors
• D)Selectivity

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Definitions:

Pyruvate

A key end-product of glycolysis, which is converted into acetyl CoA that enters the Krebs cycle when oxygen is present.

Mitochondrial Matrix

The material within the inner membrane of a mitochondrion that contains enzymes, mitochondrial DNA, and ribosomes for protein synthesis.

Endoplasmic Reticulum

A network of membranous tubules within the cytoplasm of a cell, involved in protein and lipid synthesis and transport.

Cytoplasm

The gel-like substance within a cell, excluding the nucleus, containing organelles and is the site of numerous metabolic reactions.