Magnetosomes Are _______

question 8

Multiple Choice

Magnetosomes are _______.

• A) composed of magnetic iron oxide particles
• B) infoldings of the cell membrane
• C) found in all bacteria and some archaea
• D) responsible for the heat resistance of endospores
• E) also termed metachromatic granules

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Definitions:

Chlorophyll

A green pigment found in the chloroplasts of plants and algae, responsible for the absorption of light to provide energy for photosynthesis.

Anthocyanins

Class of red water-soluble plant pigments.

Petiole

The stalk that attaches the leaf blade to the stem in vascular plants, enabling nutrient and water transport between the leaf and the rest of the plant.

Abscission Zone

The area at the base of the petiole where the leaf will break away from the stem. Also known as the abscission layer.