If You Were to Fix a Fish Keratocyte and Stain

question 68

Multiple Choice

If you were to fix a fish keratocyte and stain it with fluorescent antibodies for myosin II, where would you see the myosin II?

• A)in the advancing lamellipodium edge
• B)in the rear of the cell
• C)in a band where the rear of the lamellipodium joins the rest of the cell
• D)around the nucleus
• E)surrounding the mitochondria

Understand the role of nitrogen-fixing plants in ecosystems.

Understand the concept of biodiversity at various levels and its implications for community structure.

Describe the process and effects of succession on ecosystems.

Recognize the role of interactions (positive/negative) among species in shaping community structure.

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