Which of the following is false about animals?
a. they are multicellular.
b. they are heterotrophic.
c. they are autotrophs.
d. they lack cell walls.
e. most can actively move.
C
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A 15-year-old male was diving in a lake when he inhaled some of the stagnate water. Five days later he was admitted to the hospital, comatose, and in critical condition. A cerebrospinal fluid (CSF) specimen was taken, and several motile amoebae were observed. The patient would most likely be diagnosed with which of the following conditions?
a. Granulomatous amebic encephalitis b. Primary amebic meningoencephalitis c. Secondary amebic encephalitis d. Chronic granulomatous meningitis
Which of the following occurs for the production of a pollen grain from a microspore mother cell?
a. mitosis only b. mitosis, then meiosis c. mitosis, then meiosis, then mitosis d. meiosis only e. meiosis, then mitosis
Which is incorrect about meiosis?
A. Sister chromatids separate in anaphase I. B. Meiosis I results in 2 haploid cells. C. Meiosis II is like mitosis. D. Chromosome replication only occurs in interphase I. E. Crossing over occurs in prophase I.
Which of the following has the most starch?
a. 1 medium orange b. 1 cup of kidney beans c. 8 fluid ounces of milk d. 4 ounces of meat