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Function of Nucleic Acids Quiz

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Questions and Answers

What is the function of nucleic acids?

Breaking down waste materials

Storing and expressing genetic information (correct)

Producing energy for the cell

Facilitating cell communication

What type of nucleic acid is involved in protein synthesis?

Double-stranded RNA

DNA

RNA (correct)

Single-stranded DNA

How are nucleic acids formed?

From amino acids

By oxidation of carbohydrates

By polymerization of nucleotides (correct)

By condensation of lipids

What are the building blocks of nucleic acids?

Nucleotides Signup and view all the answers

Which part of a nucleotide contains a phosphorus atom?

Phosphate group Signup and view all the answers

What is the main function of RNA in the body?

Transfers genetic information Signup and view all the answers

Which of the following nucleotides is unique to RNA?

Uracil Signup and view all the answers

What is the structure of a nucleotide composed of?

A pentose sugar attached to a nitrogen base Signup and view all the answers

Which scientist discovered the chemical portions of nucleic acids such as cytosine, guanine, uracil, and thymine?

Albrecht Kossel Signup and view all the answers

What type of bonds help single-stranded RNA molecules form three-dimensional structures?

Hydrogen bonds Signup and view all the answers

In DNA, how many hydrogen bonds are formed between adenine and thymine?

Two Signup and view all the answers

Which nitrogenous base pairs with cytosine in DNA through three hydrogen bonds?

Guanine Signup and view all the answers

What type of bonds hold the pentose sugar molecule, phosphorus, and nitrogen molecules in nucleic acids?

Ester and peptide bonds Signup and view all the answers

Which molecule generates energy for cellular processes by providing the cell with energy in living cells?

Adenosine triphosphate (ATP) Signup and view all the answers

What kind of RNA plays a significant part in protein synthesis and controls the expression of genetic information stored in DNA as proteins?

Transfer RNA (tRNA) Signup and view all the answers