The Enzyme Telomerase Uses Mechanisms That Involve

question 24

Multiple Choice

The enzyme telomerase uses mechanisms that involve:

• A) Repeating sequences at the telomeres.
• B) Having RNA oligonucleotides to act as templates as part of the enzyme.
• C) Allowing the end of the chromosome to get a little shorter each time a cell divides.
• D) Both repeating sequences at the end of chromosomes and RNA oligonucleotides to act as templates as part of the enzyme.
• E) All of these.

Explain how molecules must be processed to be detected by olfactory neurons.

Understand sensory adaptation and the influence of olfaction on taste.

Identify the key properties and classification of tastants and odors.

Recognize the unique aspects of sensory neurons in contact with the external environment.

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Definitions:

Microbial Infection

Invasion and multiplication of microorganisms in body tissues, causing disease or symptoms.

Microglia

Small neuroglial cells that become phagocytic and mobile in response to inflammation; considered to be macrophages within the central nervous system.

Proliferate

To increase rapidly in numbers; commonly used in biological contexts to describe cell multiplication.

Myelination

The process of wrapping axons with myelin, a fatty substance that speeds up the transmission of electrical signals in the nervous system.