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MCAT Biology (Princeton Review) Questions and Answers | Latest Version | 2024/2025 | Rated A+ $12.23   Add to cart

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MCAT Biology (Princeton Review) Questions and Answers | Latest Version | 2024/2025 | Rated A+

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MCAT Biology (Princeton Review) Questions and Answers | Latest Version | 2024/2025 | Rated A+ What is the primary function of mitochondria in eukaryotic cells? The primary function of mitochondria is to produce ATP through oxidative phosphorylation. What is the role of ribosomes in a c...

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MCAT Biology (Princeton Review)
Questions and Answers | Latest Version
| 2024/2025 | Rated A+

What is the primary function of mitochondria in eukaryotic cells?




✔✔The primary function of mitochondria is to produce ATP through oxidative phosphorylation.




What is the role of ribosomes in a cell?




✔✔Ribosomes are responsible for synthesizing proteins by translating mRNA sequences.




What does the term "homeostasis" refer to in biology?




✔✔Homeostasis refers to the maintenance of a stable internal environment within an organism

despite external changes.




What is the main purpose of the cell membrane?




1

,✔✔The cell membrane regulates the movement of substances in and out of the cell and provides

structural support.




What are the building blocks of proteins?




✔✔Amino acids are the building blocks of proteins.




What is the role of the enzyme DNA polymerase in DNA replication?




✔✔DNA polymerase synthesizes new DNA strands by adding nucleotides complementary to the

template strand.




What is the function of chloroplasts in plant cells?




✔✔Chloroplasts conduct photosynthesis, converting light energy into chemical energy in the

form of glucose.




What is the difference between prokaryotic and eukaryotic cells?



2

,✔✔Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells

have a nucleus and organelles enclosed by membranes.




What is the central dogma of molecular biology?




✔✔The central dogma states that genetic information flows from DNA to RNA to protein.




What is the purpose of the Krebs cycle in cellular respiration?




✔✔The Krebs cycle generates electron carriers (NADH and FADH2) and ATP, and releases

carbon dioxide as a byproduct.




What are the stages of the cell cycle?




✔✔The stages of the cell cycle are G1 (growth), S (synthesis of DNA), G2 (preparation for

mitosis), and M (mitosis).




What is the role of enzymes in biochemical reactions?



3

, ✔✔Enzymes act as catalysts to increase the rate of biochemical reactions by lowering the

activation energy.




What is the primary purpose of cellular respiration?




✔✔The primary purpose of cellular respiration is to convert glucose and oxygen into ATP,

carbon dioxide, and water.




What is the function of the Golgi apparatus in a cell?




✔✔The Golgi apparatus modifies, sorts, and packages proteins and lipids for secretion or

delivery to other organelles.




Maltose ✔✔Glucose + Glucose




Sucrose ✔✔Glucose + Fructose




Lactose ✔✔Glucose + Galactose



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