Answer:
A membrane is a protective barrier which controls what comes in and out. They are generally found in both plant and animal cells and it acts as a sort of gate into the cell.
I believe the answer is choice D. Hope this helps!!!
XOXO
Of the list shown in the image, the function of proteins in living cells are: they transport oxygen in the blood of vertebrates, they play a key role in moving materials within cells, they help the body to recognize and destroy foreign microbes and cancer cells, they catalize chemical reactions.
<h3>What are proteins?</h3>
Proteins are macromolecules made up of linear chains of amino acids that are synthesized by ribosomes using mRNA molecules as templates. they have different functions since they are present in enzymes, hormones, transport proteins and also as a structural part.
Therefore, we can confirm that of the list shown in the image, the function of proteins in living cells are: they transport oxygen in the blood of vertebrates, they play a key role in moving materials within cells, they help the body to recognize and destroy foreign microbes and cancer cells, they catalize chemical reactions.
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I believe it would be polyphyletic.
Polyphyletic groups are formed when two lineages convergently evolve similar character states. Organisms classified into the same polyphyletic group share phenetic homoplasies as opposed to homologies. The key difference between paraphyletic and polyphyletic groups is that paraphyletic contain their common ancestor, whereas polyphyletic groups do not.
The correct answer is - False.
To trace the correlation between the rock layers by using fossils can be a big mistake, though occasionally it may provide the proper information, still it will be relying on luck.
The case is actually the other way around, the fossils can be correlated by using the rock layers, because each layer of rocks represents some time in the geologic past.
The fossils, on the other hand, are much more easy to be moved through the layers over time, because there can be disturbances, adjustments in the crust, or the rocks can change their composition under the influence of multiple factors. All of that can contribute to the fossils ending up at places where they aren't expected to be, so using them to correlate the rock layers will not be a very useful method.
