Blueprint MCAT Blog: MCAT Biology

MCAT Biology Question — Endospores

A patient develops an infection in his brain. The pathogen slowly spreads by forming endospores which disseminate through the cerebrospinal fluid. If the patient is examined later, which of the following spaces may be found to contain endospores: I. The ventricles of the brain II. The sympathetic chain ganglia III. The spinal canal READ MORE

Nov 17, 2014

MCAT Biology Question — Electron Transport Chain

A certain molecule acts by binding to cytochrome oxidase A3, the final enzyme in the electron transport chain. Administration of a large dose of this substance to a human would likely: A) Lead to death due to an inability of the cell to pass electrons to oxygen, thus stopping aerobic respiration and asphyxiating the READ MORE

Nov 13, 2014

MCAT Biology Question — Caffeine Metabolism

A student studying caffeine metabolism learns that one of caffeine’s metabolites in the body is theophylline, which has the effect of relaxing smooth muscles of the bronchi. The student concludes that caffeine could be used to effectively treat asthma. Which of the following is true? A) The student’s conclusion is correct. B) The student’s READ MORE

Nov 06, 2014

MCAT Biology Question — Bacterial Species

Two bacterial species independently evolved mechanisms for deactivating penicillin and thus being able to grow on media containing penicillin. Species A developed an enzyme pathway involving three reactions, with the end result of turning penicillin into products X and Y. Species B developed a much more efficient pathway only requiring a single step to turn READ MORE

Oct 03, 2014

MCAT Skills and Medical School Success

Do you ever wonder why the MCAT tests its content the way it does? Many students come into the exam confident in their scientific acumen only to be stymied by the creative format of the AAMC. Therein in lies the mystique of the exam, not in the what, but in the how it tests science. READ MORE

Jul 18, 2014

MCAT Biology Question — Fungi

All of the following statements characterize most fungi EXCEPT: a) they are saprophytic b) they release spores c) they have a chitin cell wall d) a fungal infection can be eliminated with antibiotics READ MORE

Jun 16, 2014

MCAT Biology Question — Amino Acids: Peptide Bond

Which structure shows two amino acids linked by 1 peptide bond? READ MORE

May 05, 2014

MCAT Biology Question — Biological Classification

One species of chimpanzee is biologically classified as : Animalia, Chordata, Mammalia, Primates, Homonidae, Pan, Pan paniscus. Man is biologically classified as: Animalia, Chordata, Mammalia, Primates, Homonidae, Homo, Homo sapiens. Which is the most specific taxonomic category shared by man and chimpanzees? order class family phylum READ MORE

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