Which of the following statements is true of the blastula?
a. It is the earliest stage of embryonic development.
b. Three cell layers are evident.
c. The neural tube forms.
d. Limb buds may be seen.
e. It is haploid.
A
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The main function of the endomembrane system is building and modifying _____ and _____
Fill in the blank(s) with correct word
What could you use to measure metabolic rate in an animal?
A. CO? inexhalations B. Amount of food eaten C. The reactants or products of cellular respiration D. All of these are true
Molluscs share a three-part body plan consisting of
A. eyespots, a digestive system, and a nervous system. B. a corona, stomach, and intestines. C. a scolex, proglottids, and an anus. D. a visceral mass, mantle, and foot.
A physician visiting a rural Latin American village finds that many mature males but few immature males or females of any age are afflicted by a particular fungal disease. What is likely to be the diagnosis?
A. Paracoccidioidomycosis B. Blastomycosis C. Mycetoma D. Histoplasmosis E. Mucormycosis