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Chapter 4: Q.8 (page 124)

Which of the following organisms is a prokaryote?

a. amoeba

b. influenza A virus

c. charophyte algae

d. E. coli

Short Answer

Expert verified

E.coliis a prokaryotic organism.

Step by step solution

01

Explanation

Amoeba is eukaryotic as they have membrane-bound organelles and a true nucleus.

Influenza A virus

Influenza viruses are RNA viruses responsible for influenza in birds and some mammals.

Charophyte algae are a group of freshwater algae, they are eukaryotic and have a nucleus and membrane-bound organelles.

E. coliis categorized as a prokaryote since it lacks double-membrane cell organelles such as the nucleus, mitochondrion, chloroplast, endoplasmic reticulum, and Golgi bodies.

02

Final answer

E.coliis a prokaryote organism as it lacks membrane bound organelles and has 70s ribosomes.

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Most popular questions from this chapter

Diseased animal cells may produce molecules that

activate death cascades to kill the cells in a controlled manner. Why would neighboring healthy cells also die?

a. The death molecule is passed through

desmosomes.

b. The death molecule is passed through

plasmodesmata

c. The death molecule disrupts the extracellular matrix.

d. The death molecule passes through gap junctions.

Which of the following do not play a role in intracellular

movement?

a. microfilaments and intermediate filaments

b. microfilaments and microtubules

c. intermediate filaments and microtubules

d. only intermediate filaments

When viewing a specimen through a light microscope,

scientists use ________ to distinguish the individual

components of cells.

a. a beam of electrons

b. radioactive isotopes

c. special stains

d. high temperatures

Describe how microfilaments and microtubules are involved in the phagocytosis and destruction of a pathogen by a macrophage.

Which of the following sequences correctly lists in order the steps involved in the incorporation of a proteinaceous molecule within a cell?

a. protein synthesis of the protein on the ribosome; modification in the Golgi apparatus; packaging in the endoplasmic reticulum; tagging in the vesicle

b. synthesis of the protein on the lysosome; tagging in the Golgi; packaging in the vesicle; distribution in the endoplasmic reticulum

c. synthesis of the protein on the ribosome; modification in the endoplasmic reticulum; tagging in the Golgi; distribution via the vesicle

d. synthesis of the protein on the lysosome; packaging in the vesicle; distribution via the Golgi; tagging in the endoplasmic reticulum
See all solutions

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