Molecular Biology: The Cell

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What is the basic unit of a living organism according to the text?

Organs

Tissues

Proteins

Cells (correct)

Which type of cells contain membrane-bound nuclei?

Plant cells

Eukaryotic cells (correct)

Animal cells

Prokaryotic cells

What are the building blocks of DNA and RNA called?

Monosaccharides

Fatty Acids

Nucleotides (correct)

Amino Acids

Which of the following is a purine base in DNA?

Guanine Signup and view all the answers

What is the sugar present in RNA?

Ribose Signup and view all the answers

Which category of cells are unicellular and do not contain membrane-bound organelles?

Prokaryotic cells Signup and view all the answers

What is the main difference between the sugar components of DNA and RNA?

DNA has an extra oxygen atom in its sugar component Signup and view all the answers

What is the chemical formula for a phosphate group?

PO₄³⁻ Signup and view all the answers

Which nitrogenous base is found in RNA but not in DNA?

Uracil Signup and view all the answers

Which part of a nucleotide is attached to the first carbon of the sugar?

Nitrogenous base Signup and view all the answers

What type of bond connects the phosphate group of one nucleotide to the sugar of the next nucleotide in a DNA or RNA strand?

Phosphodiester bond Signup and view all the answers

Molecular Biology: The Cell

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Questions and Answers

What is the basic unit of a living organism according to the text?

Which type of cells contain membrane-bound nuclei?

What are the building blocks of DNA and RNA called?

Which of the following is a purine base in DNA?

What is the sugar present in RNA?

Which category of cells are unicellular and do not contain membrane-bound organelles?

What is the main difference between the sugar components of DNA and RNA?

What is the chemical formula for a phosphate group?

Which nitrogenous base is found in RNA but not in DNA?

Which part of a nucleotide is attached to the first carbon of the sugar?

What type of bond connects the phosphate group of one nucleotide to the sugar of the next nucleotide in a DNA or RNA strand?

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