What is contained in the interior (matrix) of mitochondria?
Soluble and insoluble enzymes, RNA, and DNA.
What are the structural features of the Golgi apparatus?
Flattened vesicles of lipid, protein, and polysaccharide.
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Mitochondria

What is contained in the interior (matrix) of mitochondria?

Soluble and insoluble enzymes, RNA, and DNA.

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Golgi Apparatus

What are the structural features of the Golgi apparatus?

Flattened vesicles of lipid, protein, and polysaccharide.

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Cell Membrane

What is the biological function of the cell membrane?

It serves as a selectively permeable boundary for entry and exit of nutrients and waste, location of receptors for signaling, and some important enzyme activities.

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Endoplasmic Reticulum with Ribosomes

What are the structural features of the endoplasmic reticulum with ribosomes?

Flat, single-membraned vesicles of lipid and protein; ribosomes consist of RNA and proteins.

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Cell Membrane

What is the molecular composition of the cell membrane?

Bilayer of proteins (50%) and lipids (50%) and some carbohydrate.

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Peroxisomes or Glyoxysomes

What do peroxisomes in animals or glyoxysomes in plants contain?

Catalase and other oxidative enzymes.

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Cytoplasm

What is contained in the cytoplasm?

Cytoskeleton made of proteins, small molecules, soluble proteins, enzymes, nutrients, and salts in aqueous solution.

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Nucleus

What does the nucleus contain?

Genomic DNA, histone proteins as chromatin, and RNA.

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Mitochondria

What is the function of mitochondria?

Site of energy metabolism and synthesis of high-energy ATP.

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Endoplasmic Reticulum with Ribosomes

What is the biological function of the endoplasmic reticulum with ribosomes?

It provides surfaces on which ribosomes bind for protein synthesis.

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Chloroplasts

What is the function of chloroplasts in plants?

Sites of photosynthesis; convert light energy into chemical energy (ATP).

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Lysosomes

What is the function of lysosomes in animals?

Metabolism of materials ingested by endocytosis.

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Golgi Apparatus

What is the biological function of the Golgi apparatus?

It is responsible for the secretion of cell waste products and is the site of protein processing.

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Nucleus

What is the biological function of the nucleus?

It serves as the storage of genetic information, site of DNA replication, and transcription to RNA.

Study Smarter, Not Harder
Study Smarter, Not Harder