What organisms form mats of long, thin chains of cells and are important in decomposition?

What will be an ideal response?


fungi

Biology & Microbiology

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Match the following items with the correct phrases.

_______1. The “building blocks” are held together by glycosidic bonds. _______2. Composed of “building blocks” that contain phosphorous. _______3. Polymers that are composed of amino acids. _______4. Enzymes are examples. _______5. Cellulose, glycogen, and starch are examples. _______6. The “building blocks” are held together by peptide bonds. a. polypeptides b. polysaccharides c. nucleic acids d. substrates

Biology & Microbiology

Which of the following is true regarding proto-oncogenes?

a. They are positive cell-cycle regulators. b. They are negative cell-cycle regulators. c. They are down-regulators of the cell cycle. d. They play no role in the cell cycle.

Biology & Microbiology

What conclusion can be drawn from research on

abundance cycles of Canadian lynx and snowshoe hare? a. A simple predator–prey model explains the results. b. A simple plant–herbivore model explains the results. c. Raptor activity has no effect on the outcome. d. Complex variables are involved. e. Manipulation of experimental plots stopped cyclic changes in population densities.

Biology & Microbiology

Which of the following statements concerning calmodulin is FALSE?

a. It activates protein kinases. b. It activates phosphatases. c. It is a protein. d. It is found in all eukaryotic cells studied. e. It binds a maximum of three calcium ions.

Biology & Microbiology