The Reason for Fetal Globin Chain Switching Is That

question 40

Multiple Choice

The reason for fetal globin chain switching is that

• A) a fetus does not need oxygen but a newborn does.
• B) a fetus has four alpha globin chains and a newborn has four beta globin chains.
• C) a fetus' blood is clear until the sixth month, and then globin chains turn it red.
• D) the newborn needs more iron than the fetus or embryo.
• E) the embryo and fetus receive different concentrations of oxygen compared to after birth.

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Definitions:

Script

A small program written in one of several scripting languages that is designed to do a specific task.

Scripting Language

A programming language used to automate the execution of tasks that could alternatively be executed one-by-one by a human operator.

Floating-Point

A method of representing real numbers in a way that can accommodate a wide range of values by using a fraction, an exponent, and a base, typically used in computing to process complex calculations.

Integer

A whole number, including zero and negative numbers.