The Bacterium Vibrio Cholerae Releases a Toxin That Blocks a Channel

question 25

Multiple Choice

The bacterium Vibrio cholerae releases a toxin that blocks a channel protein in the membranes of cells that line the intestine. This toxin prevents the movement of sodium ions from the inside of the intestine into cells. If the sodium ions could not move into the cells, how would this affect the movement of water between the inside of the intestine and the cells?

• A) Water would leave the intestines and enter the cells by osmosis.
• B) Water would leave the intestines and enter the cells by facilitated diffusion.
• C) Water would leave the cells and enter the intestines by facilitated diffusion.
• D) The movement of water would not be affected.
• E) Water would leave the cells and enter the intestines by osmosis.

Recognize the variability in human sexual interests, including erotic plasticity.

Comprehend the impact of alcohol consumption on sexual behavior and decision-making.

Describe the mass media’s role in shaping sexual expectations and behaviors.

Understand sexual orientation and its determinants.

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Definitions:

Linnaeus

Carl Linnaeus, an 18th-century Swedish botanist, physician, and zoologist, known for creating the system of classification for organisms.

Biological Classification

The scientific system of categorizing living organisms into hierarchical groups based on their evolutionary relationships and characteristics.

Species

A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding and are classified together as sharing a common lineage.

Mammals

Warm-blooded vertebrate animals characterized by the presence of mammary glands which females use to feed their young, as well as fur or hair.