A major change that occurred in the evolution of eukaryotic cells from prokaryotic cells was the development of?

Biology

1 answer:

slamgirl [31]3 years ago

7 0

A membrane bound nucleus (or just a nucleus in general)

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AlexFokin [52]

Answer:

the answer would be a

Explanation:

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3 years ago

An eagle on a tree branch sees an injured squirrel 50 meters away on the ground. The eagle then flies from the tree to prey on t

BigorU [14]

B. The eagles brain recognized the squirrel as prey

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A young man wants to determine if he is a descendant of Henry of Navarre and Eleanor of Aquitaine—two of his favorite historical

mars1129 [50]

Answer:

He should get his mitochondrial haplotype sequenced, given the genetic variation in mitochondrial sequences compared to Y chromosomes.

Explanation:

Mitochondrial DNA haplotypes are specific regions of mitochondrial DNA that cluster with other mitochondrial sequences to show the phylogenetic origins of maternal lineages.
Mitochondrial DNA haplotypes are associated with a range of phenotypes and disease.
Mitochondrial DNA contains 37 genes, all of which are essential for normal mitochondrial function.
Thirteen of these genes provide instructions for making enzymes involved in oxidative phosphorylation.

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3 years ago

What are the two categories of behavior? Provide an example of each.

olga nikolaevna [1]

Answer:

Explanation:

The two categories of the behavior includes the operant behavior and respondent behavior.

Operant behavior: The operant behavior can be define as the behavior that is under the control of the consequences. These consequences are likely to control the future frequency of behavior. For example, A child who is allowed to hit other children and take their toy, is likely to be aggressive to other people in the future.

Respondent Behavior: The behavior which is under the influence of a specific stimuli is a respondent behavior. For example, Snapping of hand away from a hot pan, and Salivation of the mouth due to food.

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3 years ago

Why is nonpoint surface pollution is a greater threat and hazard than point source pollution

Natasha_Volkova [10]

Nonpoint source pollution is a greater hazard, because scientists are not able to identify a single location the pollution came from. It is harder to find a solution if they are unable to find the source.

Hope this helps!
have a great day.

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3 years ago