easy · MCAT chem-phys

A biochemical study investigates the phototransduction cascade within human rod cells. When a photon of light strikes the outer segment of the rod, it interacts with the chromophore retinal.

Which of the following describes the specific molecular transition triggered by this event?

  1. The conversion of beta-carotene into two molecules of 11-cis retinal.
  2. The isomerization of 11-cis retinal to all-trans retinal.
  3. The reduction of all-trans retinal to 11-cis retinol.
  4. The dissociation of the phosphate group from 11-cis retinal.

Sign up free to see the explanation and track your rank →

More MCAT chem-phys practice

KomFi: Test Prep Made Easy

KomFi: Test Prep Made Easy — free adaptive practice for GMAT, GRE, SAT, ACT, National Real Estate Exam, Investment Banking, and finance with full explanations.

KomFi Academy is free GMAT prep and personalized GMAT help built as a training platform: 75,000+ practice questions, 26,500+ flashcards, on-demand video lectures, podcasts, and 4K slide decks. Flagship tracks: Free GMAT Prep, Free GMAT Resources, National Real Estate Exam Prep, Investment Banking Prep, Finance Prep, GRE, SAT, ACT, LSAT, MCAT, Financial Accounting, Private Equity, Private Credit, and Quantitative Finance.

Free GMAT Prep & Personalized GMAT Help

What's inside

Topics

View pricing · Read testimonials