AP BIOLOGY

PLANTS

CLASSIFICATION OF PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Many protists are single-celled organisms, as are bacteria. However, protists and bacteria are in different biological kingdoms. Which of the following comparisons of protists and bacteria is NOT true?
A
. Both protists and bacteria can be motile.
B
Both protists and bacteria are microorganisms
C
Protists are eukaryotes, while bacteria are prokaryotes.
D
Protists may be photosynthetic, but bacteria cannot be photosynthetic.
Explanation: 

Detailed explanation-1: -Many protists are single-celled organisms, as are bacteria. However, protists and bacteria are in different biological kingdoms. Which of the following comparisons of protists and bacteria is NOT true? Both protists and bacteria can be motile.

Detailed explanation-2: -Many protists are single-celled organisms. All bacteria are single-celled organisms. Bacteria are prokaryotes, while protists are eukaryotes. Prokaryotic and eukaryotic cells have these four parts in common: a plasma membrane, cytoplasm, ribosomes, and DNA.

Detailed explanation-3: -Bacteria and protists are unicellular organisms. The difference lies in the type of cells they have. Bacteria are placed in the kingdom Monera and have a prokaryotic cell, whereas protists are placed in the kingdom Protista and have a eukaryotic cell.

Detailed explanation-4: -Protists vary greatly in organization. Some are single-celled; others are syncytial (coenocytic; essentially a mass of cytoplasm); and still others are multicellular.

Detailed explanation-5: -Answer and Explanation: The only statement that is not true regarding protists is c) They are prokaryotic, as bacteria and archaea are. Since protist cells contain membrane-bound organelles and true nuclei, they are classified as eukaryotic cells.

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