The total number and types of organism on earth represent the

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#Question id: 12159

#XL - R Botany

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: 11321

#XL - T Zoology

What is a constitutive plant defense?

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#Question id: 566

#XL - Q Biochemistry

The role of the metal ion (Mg2+) in catalysis by enolase is to

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#Question id: 657

#XL - Q Biochemistry

Structural proteins that typically assemble into large cables or threads to provide mechanical support to cells or organisms are classified as ________ proteins.

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#Question id: 1714

#XL - Q Biochemistry

In a lymph node, the antigen pneumococcus polysaccharide SIII leads to: