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arsen [322]
3 years ago
11

Which of the following statements is true?

Biology
1 answer:
pshichka [43]3 years ago
7 0

Answer:

Option C. A hypothesis is considered false until proven true, is the correct answer.

Explanation:

Hypothesis is a statement that may be true or false. In hypothesis, a scientist make a statement which can be both true or false. For example, when a scientist analyze malaria disease, he make a hypothesis that malaria disease is caused due to bad air but when he perform an experiment, he concluded that the malaria is caused due to mosquitoes.

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Di a que tipo de órganos pertenecen las siguientes estructuras. Justifica tu respuesta:
Aleonysh [2.5K]

Answer:

La pata de un pato y la aleta de un pez son en ambos casos son elementos que les permiten tanto al pato como al pez moverse, además de sus funciones de estabilidad. La aleta de una ballena y el brazo del ser humano, sucede lo mismo que en el caso anterior. En el caso de la aleta de la ballena, es como la aleta del pez. En cuanto al brazo del ser humano permite realizar movimientos que contribuyen al desarrollo de sus funciones, como por ejemplo, agarrar distintos elementos. La pelvis reducida de los cetáceos no tiene actualmente ninguna función.

Explanation:

La pata de un pato es una extremidad que por su estructura le permita nadar perfectamente. En cuanto a la aleta de los peces y ballenas, es una parte de estos animales formada por tejido conjuntivo. Pueden tener distintos tamaños y su principal función no sólo es permitir el movimiento sino también la estabilidad. En cuanto a la pelvis reducida de los cetáceos era algo que tenía sentido en especies de antaño. Durante la evolución, su utilidad de fue perdiendo, como podría mencionarse el ejemplo en los humanos de las muelas de juicio.

7 0
3 years ago
Why is oxygen important for all body cells?
Masja [62]

Answer:

Our body cells require oxygen to release energy.

Explanation:

The oxygen that we take in during respiration is used to break down the food we eat to release energy from it. When we breathe in oxygen, it diffuses into blood from the lung, where it is transported by red blood cells to the entire body to be used to produce energy.

8 0
3 years ago
Which of the following organic molecules are most closely related to proteins? sugars amino acids fatty acids nucleotides​
sammy [17]

Answer:

Amino acids

Explanation:

Proteins are made up of amino acids which come together to form polypeptide chains.

3 0
3 years ago
A researcher conducted studies on proteins obtained from mouse livers. He discovered a novel protein and decided to obtain its g
Vilka [71]

Answer:

It should be complementary to the RNA strand: TAAGCCATGACATATCG

Explanation:

Be careful tho, it should not have U, instead T, because U is only for RNA.

3 0
4 years ago
Read 2 more answers
HIV's genome of RNA includes the code for reverse transcriptase (RT), an enzyme that acts early in infection to synthesize a DNA
Nitella [24]

Answer:

(d) Use moderate doses of NA and two different PIs at the same time for several months.

4 0
3 years ago
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