Which Statement About Frog Eggs and Early Development Is True

question 152

Multiple Choice

Which statement about frog eggs and early development is true?

• A) The haploid nucleus of the egg is located in the vegetal hemisphere where the yolk is concentrated.
• B) Sperm binding sites occur only on the surface of the animal hemisphere.
• C) Distribution of the transcription factor β-catenin becomes concentrated in the animal hemisphere following rotation of the cortical cytoplasm.
• D) The site of sperm entry will become the posterior region of the embryo.
• E) The gray crescent will become the ventral region of the embryo.

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Definitions:

Slides

Thin slices of material, typically glass, that are used to hold objects for examination under a microscope.

Recognition

The cognitive process of identifying a previously encountered or learned item, person, or situation.

Recall

The act of remembering or bringing back to memory previously learned information.

Encoding

The process by which information is transformed into a format that can be stored in the memory.