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alukav5142 [94]
3 years ago
12

Which organelle or structure is absent in plant cells? nucleus?

Biology
1 answer:
DENIUS [597]3 years ago
6 0

Answer:

cilia

the organ that absant in plants is cilia

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What cell feature is used by scientists to classify an unknown cell as prokaryotic or eukaryotic?
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Answer:

Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its DNA is surrounded by a membrane), and has other membrane-bound organelles that allow for compartmentalization of functions.

Explanation:

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Answer:

cellular membranes

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Cellular membranes are selectively permeable because they allow only certain molecules to cross into and out of the cell. The phospholipid bilayer is a selectively permeable membrane that surrounds all biological cells. The movement of molecules across the cell membrane bilayer can occur by passive transport (does not require energy) or active transport (requires energy). For example, water molecules pass passively through the cell membrane (passive transport), while other molecules pass through transmembrane proteins against a concentration gradient (active transport).

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you are a molecule of phosphorus. choose a starting point in the phosphorus cycle and describe the process you would go through
coldgirl [10]
Plants absorb me from the soil through assimilation, I am eaten by animals the animals and plants die and decompose where I am released back into the soil, weathering and erosion cause me to release out of rocks, I then find my way into the ocean being carried by water, I then return to the soil through the water.
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3 years ago
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Which two statements summarize a way that an other-feeder gets food?
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Answer:

B. Sphagnum moss takes in energy from sunlight.

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According to the question, "a self-feeder" means an autotrophic organism i.e. an organism that produces or obtains food by itself. The process by which an autotrophic organism obtains food is referred to as PHOTOSYNTHESIS. Photosynthesis entails the synthesis of food in form of organic compounds in the presence of sunlight.

Based on this, Euglenas, which is a plant-like protist, carrying out photosynthesis and Sphagnum moss, which is a lower plant (bryophyte) taking in energy from sunlight in order to perform photosynthesis are two examples that describes a "self-feeder"

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