Biology Chapter: Protein Structure & Photosynthesis

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What are the four levels of protein structure?

Hydrogen bonding, ionic bonding, covalent bonding, van der Waals forces

Alpha, beta, gamma, delta

Linear, branched, cyclic, complex

Primary, secondary, tertiary, quaternary (correct)

What role does a ribosome play during translation?

It assembles amino acids into proteins (correct)

It transports tRNA to the nucleus

It synthesizes DNA from RNA

It produces ATP for energy

Which statement about tRNA is correct?

It carries amino acids to ribosomes (correct)

It is a type of enzyme that catalyzes reactions

It synthesizes mRNA from DNA

It acts as a receptor for signaling molecules

What is produced during translation?

Amino acids linked to form proteins Signup and view all the answers

What is a catabolic reaction?

A reaction that releases energy by breaking down larger molecules Signup and view all the answers

What is the primary function of chlorophyll during the light reactions of photosynthesis?

To absorb and convert light energy into chemical energy Signup and view all the answers

What is a key difference between substrate level phosphorylation and oxidative phosphorylation?

Substrate level produces ATP directly, oxidative requires an electron transport chain Signup and view all the answers

What occurs in the absence of oxygen during cellular respiration?

Fermentation processes may take place Signup and view all the answers

What is the function of an amino acyl tRNA synthetase?

To attach amino acids to their corresponding tRNA Signup and view all the answers

During transcription, which of the following products is formed from DNA?

mRNA Signup and view all the answers

Which of the following best describes a codon?

A sequence of three RNA nucleotides that codes for an amino acid Signup and view all the answers

What occurs primarily during the light reactions of photosynthesis?

ATP and NADPH are produced Signup and view all the answers

Which statement correctly differentiates between exergonic and endergonic reactions?

Exergonic reactions release energy, while endergonic reactions require energy input. Signup and view all the answers

Which component is essential for the electron transport chain to function properly?

Oxygen Signup and view all the answers

What are the starting reactants of photosynthesis?

Carbon dioxide and water Signup and view all the answers

Biology Chapter: Protein Structure & Photosynthesis

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Questions and Answers

What are the four levels of protein structure?

What role does a ribosome play during translation?

Which statement about tRNA is correct?

What is produced during translation?

What is a catabolic reaction?

What is the primary function of chlorophyll during the light reactions of photosynthesis?

What is a key difference between substrate level phosphorylation and oxidative phosphorylation?

What occurs in the absence of oxygen during cellular respiration?

What is the function of an amino acyl tRNA synthetase?

During transcription, which of the following products is formed from DNA?

Which of the following best describes a codon?

What occurs primarily during the light reactions of photosynthesis?

Which statement correctly differentiates between exergonic and endergonic reactions?

Which component is essential for the electron transport chain to function properly?

What are the starting reactants of photosynthesis?

Which of the following describes a step in cellular respiration that occurs without oxygen?

What are the main products of translation?

What is the primary role of the ribosome during translation?

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