columella of the root cap cells represent statocytes, or gravity-sensing cells, this can be explained by

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#Question id: 11744

#Unit 6. System Physiology – Plant

Large pores in cell walls are the prominent feature of sieve elements, the sieve area pores range in diameter from

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#Question id: 14956

#Unit 6. System Physiology – Plant

Where is the catalytic domain of cellulose synthase located?

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#Question id: 12159

#Unit 9. Diversity of Life Forms

You are given the task of designing an aerobic, mixotrophic protist that can perform photosynthesis in fairly deep water (e.g., 250 m deep), and can also crawl about and engulf small particles. With which two of these structures would you provide your protist?

1. hydrogenosome

2. apicoplast

3. pseudopods

4. chloroplast from red alga

5. chloroplast from green alga

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#Question id: 18974

#Unit 9. Diversity of Life Forms

Which feature of cycads distinguishes them from most other gymnosperms? 

1. They have exposed ovules

2. They have flagellated sperm

3. They are pollinated by animals

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#Question id: 7071

#Unit 5. Developmental Biology

The zygote of C.elegans exhibits