A reagent that stains the stored food of a green alga black is

a. India ink.
b. I2KI.
c. methylene blue.
d. both a and b.


a

Biology & Microbiology

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It has been hypothesized that fungi and plants have a mutualistic relationship because plants make sugars available for the fungi's use. What is the best evidence in support of this hypothesis?

A) Fungi survive better when they are associated with plants. B) Radioactively labeled sugars produced by plants eventually show up in the fungi with which they are associated. C) Fungi associated with plants have the ability to undergo photosynthesis and produce their own sugars, while those not associated with plants do not produce their own sugars. D) Radioactive labeling experiments show that plants pass crucial raw materials to the fungus for manufacturing sugars.

Biology & Microbiology

Which component distributes water and nutrients throughout the plant body?

a. ground tissue b. vascular tissue c. dermal tissue d. root e. shoot

Biology & Microbiology

When adding Barritt's reagent to your MRVP broth, you see a red color change. This means that acetoin was produced of glucose metabolism.

a. true b. false

Biology & Microbiology

The meshwork that forms the fabric of a blood clot mostly consists of

A. thrombin. B. fibrin. C. fibrinogen. D. collagen. E. prothrombin.

Biology & Microbiology