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never [62]
2 years ago
7

Scientific research is most clearly expressed in the ___________, which investigates cause-and-effect relationships between two

(or more) variables under controlled laboratory conditions.
Biology
1 answer:
Korolek [52]2 years ago
6 0

Scientific research is most clearly expressed in the experiment, which investigates cause-and-effect relationships between two(or more) variables under controlled laboratory conditions.

Explanation:

  • An experiment includes different steps where research people will investigate the cause-and-effect by showing the outcomes which came when the particular factor got manipulate.
  • The function of an experiment is to validate the hypothesis. A hypothesis is an explanation which lacks established theory. A hypothesis is testing through research study and experiment.
  • An experiment can vary according to its scale and goal but it always relies on the logical analysis and of the results and repeatable trials.

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Please give the examples :)
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2 years ago
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Name the four most important ligaments of the knee. What condition is characterized by an irritation and softening of the cartil
Alex787 [66]

Answer:

1. Medial collateral ligament, lateral collateral ligament, anterior cruciate ligament and posterior cruciate ligaments.      

2. Chondromalacia patellae

Explanation:

The knee is a ginglymus that connects the thigh to the leg. It is the largest joint in the human body, that plays a vital role in the horizantal and the vertical movement of the body.

There are <u>four ligaments</u> of knee joint, that joins the femur to the tibia and also provides stability by limiting movement. They are: <u>medial collateral ligament, lateral collateral ligament, anterior cruciate ligament and posterior cruciate ligaments.</u>

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3 0
2 years ago
De acuerdo con lo anterior llene el siguiente cuadro comparativo señalando con x si las células procariotas o eucariotas posee l
Maurinko [17]

Answer:

El cuadro no está presente pero las diferencias principales entre células eucariotas y procariotas son:

Eucariotas:

Tienen núcleo

Tienen organelas

Tienen Vacuolas

Tienen Citoesqueleto

Tienen Cloroplastos

El ADN está asociado a proteínas

El ADN es lineal

Presentan mitocondrias

Presentan un sistema de endomembranas

Procariotas:

No tienen núcleo

No tienen vacuolas

No tienen cloroplastos

No tienen organelas

El ADN no está asociado a proteínas

El ADN es circular

Presenta mesosomas

Explanation:

Las células procariotas son más primitivas que las eucariotas, por ende, sus estructuras son más simples. Las células procariotas están en organismos unicelulares tales como las bacterias, mientras que las células eucariotas están en organismos unicelulares y pluricelulares como en plantas, animales, u hongos. La diferencia más notoria entre ambos tipos de células es la ausencia de núcleo en las procariotas haciendo que el ADN está disperso en el citoplasma mientras que en las células eucariotas, el ADN está dentro del núcleo celular.

4 0
2 years ago
Why are we dependant on photosynthesis
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3 years ago
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Answer:

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Explanation:

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