Which Statement About a Blastocyst Is True

question 32

Multiple Choice

Which statement about a blastocyst is true?

• A) It consists of a single cell.
• B) It is a structure that feeds the developing organism.
• C) Between the seventh and ninth days, it burrows deep into the uterine lining.
• D) It is a membrane that helps to keep the temperature of the prenatal world constant.

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Definitions:

Periodic Table

A tabular arrangement of the chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

Noble Gases

A group of inert gases including helium, neon, argon, krypton, xenon, and radon, known for their lack of chemical reactivity.

Electronegativity

A measure of an atom's ability to attract and hold onto electrons within a chemical bond.

S-H Bond

Refers to a chemical bond between sulfur and hydrogen, characteristic of thiols or sulfur-containing organic compounds.