Some restriction endonucleases are capable of producing blunt ends; others can generate "sticky" ends. Some restriction endonucleases are capable of producing blunt ends; others can generate "sticky" ends. True False

The correct answer is "True".

Explanation:

Restriction endonucleases are a special type of enzymes that catalyze the hydrolysis of DNA sequences at specific sites. Some restriction endonucleases are capable of producing blunt ends, leaving double stranded DNA fragments. However, the most common outcome of the restriction endonucleases hydrolysis is the generation of "sticky" ends with DNA fragments having some nucleotides in a single stranded form.

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b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.