Which of the following is useful in distinguishing between bacterial, archaeal and eukaryotic cells?
A. The presence of membrane-delimited organelles within the cytoplasm
B. The use of DNA for the storage of genetic information
C. The presence of ribosomes for the synthesis of proteins
D. All of the choices are correct.
Answer: A
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A. 1 B. 2 C. 3 D. 4 E. 5
Blood distributes most of the hormones throughout the body
1.True 2.False
Leaf __________ in the fall is an adaptation for flowering plants to survive harsh winters in temperate
climates. a. desiccation b. photosynthesis c. abscission d. growth e. production
In performing a Ziehl-Neelsen's staining techniques, the decolorization reagent is
A. A mixture of acetone and ether B. A mixture of different alcohols C. A mixture of acetone and alcohol D. A mixture of acid and alcohol E. none of the above