A Mutation Causes Difficulty in the Separation of Sister Chromatids

question 122

Multiple Choice

A mutation causes difficulty in the separation of sister chromatids during mitosis.Based on what you have read, the most likely cause of this phenomenon is that

• A) the histones are too positively charged.
• B) the histones are not sufficiently positively charged.
• C) cyclin levels are inappropriate.
• D) there is a defect in the spindle apparatus.
• E) there is a defect in the cell wall.

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Definitions:

Nutrient Inputs

The introduction of essential nutrients into an ecosystem or environment, typically influencing growth and development of organisms.

Estuary

A coastal body of water that connects to an ocean, in which fresh water from the land mixes with salt water.

Lianas

Woody vines that climb up trees and other structures to reach sunlight in dense forest environments.

Epiphytes

Plants that grow on other plants without drawing nutrients from their hosts, obtaining moisture and nutrients from the air or rain.