Recent Research Has Shown That Pollination Requires That Carpels Recognize

question 51

Multiple Choice

Recent research has shown that pollination requires that carpels recognize pollen grains as "self or nonself." For self-incompatibility, the system requires

• A) the rejection of nonself cells.
• B) the rejection of self cells.
• C) carpel incompatibility with the egg cells.
• D) that the flowers be incomplete.
• E) the union of genetically identical sperm and egg cells.

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Definitions:

Proprioceptors

Sensory receptors located in muscles, tendons, and joint capsules that provide information about body position and movement.

Moving Hand

The complex motor function involving the muscles, bones, and nerves of the hand, enabling manipulation and movement.

Proprioception

The sense of the relative position of body parts and strength of effort being employed in movement.

Body Parts

Components of the physical structure of organisms, including limbs, organs, and tissues.