Prokaryotic cells have something unique in the form of:

(1) Inclusion bodies

(2) Plasmids

(3) Cell wall

(4) 70 S ribosomes

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Under which of the following conditions would you expect to find a cell with a predominance of free ribosomes?

1. a cell that is secreting proteins

2. a cell that is producing cytoplasmic enzymes

3. a cell that is constructing its cell wall or extracellular matrix

4. a cell that is digesting food particles

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Gas vacuoles allow cyanobacteria to:

1. Store carbon dioxide for assimilation

2. Control their buoyancy

3. Provide anaerobic conditions to nitrogenase

4. Eliminate toxic ammonia

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The lipid component of the plasma membrane mainly consists of:

1. Triglycerides

2. Cholesterol

3. Phosphoglycerides

4 Proteins

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The endomembrane system of a eukaryotic cell includes all except:

1. Vacuoles

2. Lysosomes

3. Peroxisomes

4. Golgi complex

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Carotenoid pigments are found in:

I. Chloroplasts

II. Chromoplasts

III. Leucoplasts

(1) Only I

(2) Only I and II

(3) Only II

(4) I, II and III

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Microbodies, which help to convert stored lipids into carbohydrates so they can be used for plant growth, are known as:

1. Peroxisomes

2. Sphaerosomes

3. Glyoxysomes

4. Lysosomes

 

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Ribosomes are produced in

(1) Nucleolus

(2) Mitochondria

(3) Cytoplasm

(4) Golgibody

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All the following are the part of a eukaryotic cell endomembranous system except:

1. Vacuole

2. Lysosome

3. Golgi complex

4. Mitochondria

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A feature unique to prokaryotes would be:

1. A cell wall not made up of cellulose

2. An extrachromosomal plasmid DNA

3. A cell membrane of peptidoglycan

4. Presence of inclusions

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