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Biology Concepts Quiz

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Questions and Answers

What are the primary products of photosynthesis?

Carbon dioxide and ATP

Water and NADPH

ATP and NADH

Oxygen and glucose (correct)

What distinguishes aerobic respiration from anaerobic respiration?

Anaerobic respiration requires light energy.

Anaerobic respiration occurs in the presence of oxygen.

Aerobic respiration occurs only in plants.

Aerobic respiration produces more ATP than anaerobic respiration. (correct)

Which enzyme is primarily responsible for DNA replication?

RNA polymerase

DNA ligase

DNA polymerase (correct)

Helicase

What is the function of ribosomal RNA (rRNA) in protein synthesis?

Catalyze the formation of peptide bonds. Signup and view all the answers

What is the common formula for cellular respiration?

$6O_2 + C_6H_{12}O_6 → 6CO_2 + 6H_2O + ATP$ Signup and view all the answers

Which type of RNA carries the genetic information from DNA to the ribosome?

mRNA Signup and view all the answers

What are introns in the context of gene structure?

Non-coding regions that are removed during RNA processing. Signup and view all the answers

Which mutation results in a change in a single nucleotide that may or may not alter the protein produced?

Substitution mutation Signup and view all the answers

Which of the following is NOT a characteristic of living things?

Inability to adapt to environments Signup and view all the answers

What is the primary function of enzymes in biological reactions?

Decrease the activation energy required Signup and view all the answers

In which type of transport do molecules move against their concentration gradient?

Active transport Signup and view all the answers

What does a hypertonic solution do to a cell?

Causes the cell to lose water Signup and view all the answers

Which component of the cell membrane is crucial for its semi-permeability?

Phospholipids Signup and view all the answers

What process describes the conversion of ATP to ADP?

Hydrolysis Signup and view all the answers

Which of the following statements about passive and active transport is FALSE?

Active transport moves substances from high to low concentration Signup and view all the answers

Which element is a common component of all macromolecules?

Carbon Signup and view all the answers