If One Compares the Base Sequences of Related Genes from Different

question 45

Multiple Choice

If one compares the base sequences of related genes from different species,one is likely to find that corresponding _________ are usually conserved,but the sequences of __________are much less well conserved.

• A)introns; proteins
• B)introns; chaperons
• C)introns; exons
• D)exons; introns
• E)chaperons; exons

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Definitions:

Suprachiasmatic Nucleus

A small region in the brain's hypothalamus responsible for controlling circadian rhythms.

Biological Clock

An innate mechanism that controls the physiological activities of an organism, such as sleep cycles, puberty, and aging.

Hypothalamus

A small but crucial part of the brain located below the thalamus, responsible for regulating many bodily functions including hunger, thirst, sleep, and emotions.

SAD

Seasonal Affective Disorder, a type of depression that occurs at a certain time of the year, usually in winter.