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laiz [17]
1 year ago
5

Review the results of your table and summarize your observations about how the different substances cross membranes.

Biology
1 answer:
zalisa [80]1 year ago
7 0

Answer: Oxygen: Passive transport

Carbon dioxide: Passive transport

Fructose: Passive transport

Glutamine: Endocytosis

Sodium ion: Active

Potassium ion: active

Protein molecule: active

Explanation:

Hope this helps :)

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The fact that choanoflagellates and collar cells of sponges resemble each other supports the inference that ________. Group of a
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Answer:

choanoflagellates and sponges are sister groups

Explanation:

The choanoflagellates are small unicellular organisms belonging to the Protista kingdom. These microorganisms are collared flagellates morphologically similar to the choanocyte cells of animal sponges, which have a central flagellum surrounded by a collar of microvilli. In consequence, it has been suggested that choanoflagellates may represent the closest living relatives of primitive metazoans (i.e., they are sister groups to sponges). This hypothesis has recently been supported by both molecular phylogenetic and comparative genomic analyses.

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In the first part of the dna isolation, you discarded the supernatant and kept the cells. however, after processing the sample w
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<span>For the first step, you must isolate the cells from the media. The cells contain the DNA so you keep the cells and pellet. The next step would be a cell lysis which causes the cells to open and the DNA to come out. At this point you would keep the supernatant, as the pellet is the cell membrane and other parts of the cell. The chelex is to bind to transition metal ions. This would cause and DNases in the cell to become inactive because the metal ion is their cofactor. The pellet in this case would contain the chelex and the DNA would still be in the supernatant.</span>
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2 years ago
Why do you think the snowy owls only appear when
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White owl is the symbol of wisdom. The snowy owl is the symbol of endurance. It represents big dreams along with the ability to achieve them. It is the sign of new beginnings and moving forward with all might.

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2 years ago
Select the correct answer from each drop-down menu. Hilda and her family are going on a sailing trip this summer, and Hilda is e
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Answer:

Hilda and her family are going on a sailing trip this summer, and Hilda is especially interested in spotting dolphins. In which zone of the ocean is Hilda most likely to spot dolphins? Hilda and her family are most likely to spot dolphins in the PELAGIC zone. To view shorebirds and crabs, Hilda should move towards the INTERTIDAL zone.

Explanation:

The Pelagic Zone

It is any water in an ocean or lake that can not be said to be positioned in proximity to the shore or in proximity to the bottom (the shore and the bottom are two distinct zones with a completely different properties.

Divisions of the Pelagic Zone

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The intertidal zone

Its found between the high tide (upper limit) and low tide lines (lower limit), majorly on the beach at the water's edge.

The major attribute of the intertidal zone is that it is immersed with water at high tide and is in exposure to the air at lower limit. The intertidal zone is usually undergoing alterations leading to organisms that are uniquely adapted to strive there.

Organisms found in this zone are sea stars, crabs, mussels, barnacles, and various corals as they well situated to strive immersed in water and a region of their lives open air at lower limit.

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