In Humans, the Blastocyst Develops About ____ Day(s) After Fertilization

question 77

Multiple Choice

In humans, the blastocyst develops about ____ day(s) after fertilization.

• A) one
• B) three
• C) five
• D) seven
• E) nine

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Definitions:

Linear DNA

DNA molecules that exist in a straight or linear form, as opposed to circular DNA found in some bacteria and the mitochondria of eukaryotes.

Unwound Chromatin

Refers to the relaxed form of chromatin, making it accessible for processes like transcription and replication.

Nucleosomes

Repeating units of chromatin structure, each consisting of a length of DNA wound around a complex of eight histone molecules. Adjacent nucleosomes are connected by a DNA linker region associated with another histone protein.

Scaffolding Proteins

Nonhistone proteins that help maintain the structure of a chromosome.