After the zygote has surpassed 100 cells, during cleavage, it becomes known as which of the following?

a. morula
b. gastrula
c. blastula
d. flatula


c. blastula

Biology & Microbiology

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Which cranial nerve is located furthest forward, immediately beneath the frontal lobe?

a. vagus b. optic c. olfactory d. hypoglossal

Biology & Microbiology

In which of the following conditions would you not see an increase in alpha-fetoprotein?

A. Pregnancy B. Hepatocellular carcinoma C. Hepatitis D. Hypercholesteremia

Biology & Microbiology

This is a name for a group of conditions that make it difficult to breathe. This group of conditions is most commonly caused by smoking

A) tuberculosis B) chronic obstructive pulmonary disease C) influenza D) asthma

Biology & Microbiology

The primary, natural habitat of a pathogen where it continues to exist is called the

A. vector. B. reservoir. C. carrier. D. fomite. E. source.

Biology & Microbiology