Refer to the Figure

question 107

Multiple Choice

Refer to the figure. Based on the spectroscopy data shown, which conclusion concerning light absorption by the different chlorophyll types found in purple sulfur bacteria and green algae is false?

• A) The chlorophyll found in purple sulfur bacteria absorbs light maximally at approximately 450 nm and 675 nm.
• B) The chlorophyll found in purple sulfur bacteria has low light absorption at some wavelengths at which green algae have high absorption.
• C) Maximum absorption of light is higher at certain wavelengths in purple sulfur bacteria than in green algae.
• D) Bacteriochlorophyll is responsible for the absorbance spectrum of purple sulfur bacteria.
• E) Maximum absorption of light by bacteriochlorophyll occurs at 375 nm and 875 nm.

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Definitions:

Radial Notch

A depression or groove on the ulna bone that articulates with the head of the radius to form part of the elbow joint.

Coracoid Process

A small hook-like structure on the lateral edge of the superior anterior portion of the scapula (shoulder blade) involved in muscle attachment.

Styloid Process

A slender, pointed piece of bone just below the ear, attached to ligaments and muscles associated with the tongue and hyoid bone.

Olecranon Fossa

A deep notch on the posterior side of the humerus bone, into which the olecranon process of the ulna fits when the arm is extended.