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tatuchka [14]
3 years ago
8

How do ecologists define an ecosystem?

Biology
1 answer:
Free_Kalibri [48]3 years ago
7 0

Answer:

An ecosystem consists of all the organisms in an area, the community, and the abiotic factors that influence that community. Ecosystem ecologists often focus on flow of energy and recycling of nutrients. Biosphere: The biosphere is planet Earth, viewed as an ecological system.

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Which statements about what happens in glyclosis are true? select all the apply.
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Answer:

a and b c

Explanation:

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A mutation occurs in one of the genes that codes for the eye color of an individual. This mutation changes the color of the eye
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D: Neutral mutation. It says the eyesight remains normal. Therefore it cannot be harmful. Changing eye color has no effect on the ability to find food. Eye color is just an appearance.
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"DNA denatures at a higher temperature than does protein, yet its structure depends on relatively weak hydrogen bonds. Why the d
Reika [66]

The option are not given and the options are:

Proteins are denatured by breaking covalent bonds.

Linear molecules like DNA are inherently stable.  

Individual hydrogen bonds may be weak, but DNA structure is stabilized by many thousands or millions of these bonds - far more than found in proteins.

The statement is incorrect; it actually takes far more energy to denature proteins than it does to denature DNA.

Answer:

The correct answer is- Individual hydrogen bonds may be weak, but DNA structure is stabilized by many thousands or millions of these bonds - far more than found in proteins.

Explanation:

Proteins become denatured when it looses its three-dimensional structure. Disulfide bond and hydrogen helps in stabilizing the three-dimensional structure of proteins and if these bonds break due to any factor protein lost its structure and function.

DNA is made up of a large amount of hydrogen bond because in AT base-pairing two hydrogen bonds are required and in GC base pairing three hydrogen bonds are required. Therefore it can be concluded that as more hydrogen bonds stabilizes DNA than protein its melting temperature is higher than protein.

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3 years ago
Identify one way in which bacteria differ from humans A.Bacteria are single-celled B.Bacteria do not reproduce C.Only humans tak
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I think the correct answer from the choices listed above is option A. One way in which bacteria differs from humans is that bac<span>teria are single-celled while humans contains a lot of cells. Bacteria can be found microscopically while humans are not. Hope this answers the question.</span>
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Read 2 more answers
Wurtz, Goldberg, and Robinson showed that the firing rates of neurons in the parietal cortex are enhanced when an animal subsequ
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Answer:

The increased activity prior to the saccade reflects a shift in attention to the stimulus inside that neuron's receptive field.

Explanation:

They observed that the neurological basis of attention, first made in the superior colliculus has been extended to a number of areas in both the dorsal and ventral streams.

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