A Researcher Has Arrived at a Method to Prevent Gene

question 29

Multiple Choice

A researcher has arrived at a method to prevent gene expression from Drosophila embryonic genes. The following questions assume that he is using this method.
-The researcher in question measures the amount of new polypeptide production in embryos from 2-8 hours following fertilization and the results show a steady and significant rise in polypeptide concentration over that time. The researcher concludes that

• A) his measurement skills must be faulty.
• B) the results are due to building new cell membranes to compartmentalize dividing nuclei.
• C) the resulting new polypeptides are due to translation of maternal mRNAs.
• D) the new polypeptides were inactive and not measurable until fertilization.
• E) polypeptides were attached to egg membranes until this time.

Differentiate between various fluid compartments in the body and their characteristics.

Comprehend the mechanisms and routes of ion excretion under normal conditions.

Understand the physiological responses and adaptations to changes in water and electrolyte balance.

Recognize the function and regulation mechanisms of key hormones involved in fluid and electrolyte balance.

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Definitions:

Status Quo Bias

The tendency for people to prefer things to stay the same by doing nothing or sticking with a decision made previously.

Prospect Theory

A psychological theory that describes how people make decisions based on the potential value of losses and gains rather than the final outcome.

Endowment Effect

A psychological phenomenon where people ascribe more value to things merely because they own them.

Prospect Theory

A behavioral economic theory that describes how people make decisions under conditions of risk and uncertainty, prioritizing losses differently from gains.