Some photosynthetic euglenoids can also ingest dissolved or particulate food. Which one of the following terms would best describe such a protist?
A. Osmotrophic
B. Phagotrophic
C. Mixotrophic
D. Autotrophic
E. Heterotrophic
Answer: C
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Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?
a. lipids b. starches c. proteins d. steroids e. glucose
A ________ group consists of the most recent common ancestor and some of its descendants.
Fill in the blank(s) with the appropriate word(s).
These two molecules are structural isomers. What is the difference between them?
A) the number of carbon atoms
B) the number of hydrogen atoms
C) the location of a double-bonded oxygen atom
D) Only one of them has a double bond between carbon atoms.
The ability to utilize different metabolites for cellular respiration is one method for identifying bacteria
Indicate whether the statement is true or false