AP BIOLOGY

LABORATORY REVIEW

DIFFUSION AND OSMOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
No membrane-bound organelles
A
Prokaryotes
B
Eukaryote
Explanation: 

Detailed explanation-1: -Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm. The absence of a nucleus and other membrane-bound organelles differentiates prokaryotes from another class of organisms called eukaryotes.

Detailed explanation-2: -In prokaryotes, DNA is found in a central area of the cell known as the nucleoid, which is not surrounded by a nuclear membrane. Thus, Prokaryotic cells do not contain membrane-bound organelles.

Detailed explanation-3: -Eukaryotic cells are cells containing membrane-bound organelles and are the basis for both unicellular and multicellular organisms. In contrast, prokaryotic cells do not have any membrane-bound organelles and are always part of unicellular organisms.

Detailed explanation-4: -Non membranous organelles of a cell include cytoskeleton, microvilli, centrioles, cillia, flagella, ribosomes while membranous organelles include mitochondria, nucleus, endoplasmic reticulum, golgi apparatus, lysosomes, peroxisomes, vesicles.

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