C190 Introduction to Biology Practice Questions - Set 5 - Part 3

Test your knowledge of data-driven decision making concepts with these practice questions. Each question includes detailed explanations to help you understand the correct answers.

Question 41: Which of the following best describes the function of the Golgi apparatus?

A) Synthesizing proteins

B) Packaging and modifying proteins for export

C) Generating ATP

D) Digesting cellular waste

Question 42: What occurs during prophase of mitosis?

A) Chromosomes align at the center of the cell

B) Chromosomes condense and the nuclear envelope breaks down

C) Sister chromatids are separated

D) The cytoplasm divides

Question 43: What is the role of oxygen in the electron transport chain?

A) Carrying electrons to the mitochondria

B) Acting as the final electron acceptor

C) Producing ATP directly

D) Breaking down glucose into pyruvate

Question 44: Which of the following is an example of active transport?

A) Diffusion of oxygen into cells

B) Movement of glucose through a carrier protein without energy

C) Pumping sodium ions out of the cell against their concentration gradient

D) Osmosis of water across a membrane

Question 45: Which term refers to an organism that produces its own food using light or chemical energy?

A) Heterotroph

B) Autotroph

C) Omnivore

D) Decomposer

Question 46: Which type of bond involves the sharing of electrons between two atoms?

A) Ionic bond

B) Hydrogen bond

C) Covalent bond

D) Peptide bond

Question 47: What is the main function of carbohydrates in living organisms?

A) Storing genetic information

B) Providing a source of energy

C) Synthesizing proteins

D) Catalyzing biochemical reactions

Question 48: Which process allows for the exchange of genetic material between homologous chromosomes during meiosis?

A) Independent assortment

B) Crossing over

C) Fertilization

D) DNA replication

Question 49: Which of the following is an example of a polysaccharide?

A) Glucose

B) Fructose

C) Sucrose

D) Cellulose

Question 50: Which molecule is the primary carrier of genetic information in cells?

A) RNA

B) Protein

C) DNA

D) Lipid

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