Where in the Embryo Does Mesoderm First Appear

question 139

Multiple Choice

Where in the embryo does mesoderm first appear?

• A) between the cell layers of the inner cell mass
• B) within the blastocoele
• C) in the chorionic villi
• D) above the epiblast
• E) around the trophoblast

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Definitions:

Denaturation

A structural change in proteins or nucleic acids, often irreversible, caused by external factors like pH, temperature, or chemicals.

Polar Covalent

A type of chemical bond where a pair of electrons is unequally shared between two atoms, causing a distribution of electrical charge.

Ionic

Relating to ions; typically describes chemical bonds formed between atoms through the transfer of one or more electrons from one atom to another.

Peptide

Short chains of amino acids, typically comprising 2-50 amino acids, which can perform a variety of functions in the body.