One Difference Between Early Development in Humans and in Xenopus

question 11

Multiple Choice

One difference between early development in humans and in Xenopus is that

• A)in humans,there is no formation of the blastula;in Xenopus,the blastula is a critical stage in early embryogenesis.
• B)in humans,blastocysts implant into the uterine wall;there is no implantation in Xenopus.
• C)in humans,gastrulation is delayed as the egg moves along the fallopian tube;in Xenopus,gastrulation takes place immediately after blastula formation.
• D)in humans,the yolk sac is much smaller than that seen in Xenopus.
• E)in humans,neurulation occurs immediately after cleavage;in Xenopus,neurulation is delayed until after gastrulation.

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Definitions:

Adjusting Entries

At the end of an accounting interval, journal entries are made for the allocation of profits and expenses to the time frame in which they were genuinely incurred.

Prepaid Expenses

Payments made in advance for goods or services that will be used in the future, recorded as assets on the balance sheet until they are consumed.

Accrued Salaries

Salaries that have been incurred (earned by employees) but not yet paid by the employer.

Estimated Depreciation

The projection of an asset’s decrease in value over time due to wear and use, used for accounting and tax purposes.