A plant lacking this macronutrient is likely to be deficient in which step of root nodule development?

A. Calcium; flavonoid release
B. Phosphorus; development of infection threads
C. Calcium; curling of root hairs around rhizobia
D. Phosphorus; curling of root hairs around rhizobia


C. Calcium; curling of root hairs around rhizobia

Biology & Microbiology

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The purpose of a photosystem is to convert ____

a. light energy into chemical energy b. carbon dioxide into sugar c. light energy into sugar d. oxygen into carbon dioxide e. light into oxygen

Biology & Microbiology

Homeostasis provides what kind of internal environment?

a. positive b. tolerable c. limiting d. changing e. chemical and physical

Biology & Microbiology

Who arranged organisms into a scale of nature and first stated that organisms changed toward the more complex and

perfect? a. Aristotle b. Lamarck c. Dobzhansky d. Charles Darwin e. Erasmus Darwin

Biology & Microbiology

Based on your understanding of the key differences between monocots and dicots, what characteristics can you see with your naked eye that can help you distinguish between them?

What will be an ideal response?

Biology & Microbiology