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lisabon 2012 [21]
3 years ago
13

To find the graphical solution when adding vectors, you can draw a(n) ____ from the starting point to the ending point.

Biology
1 answer:
ehidna [41]3 years ago
4 0

Answer:

arrow (which creates the resultant vector)

Explanation:

When you use the graphing technique when adding vectors, you can use the head to tail method to draw the vectors. And from the starting point or the tail of the first vector you drew, you will draw an arrow touching heads with the head of the last vector drawn.

With that, you can use a ruler to measure the resultant vector's magnitude, and use a protractor to measure it's direction.

Below is an example:

Let:

V1 = Vector 1

V2 = Vector 2

R - resultant vector.

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Knowledge of the amino acid sequences is important for several reasons. What is NOT one of those reasons
kotegsom [21]

Complete question:

Knowledge of the amino acid sequences is important for several reasons. What is NOT one of those reasons

  1. Amino acid sequences determine the three-dimensional structures of proteins.  
  2. Knowledge of the sequence of a protein can help to prevent mutations.
  3. The sequence of a protein reveals much about its evolutionary history.
  4. The sequence of a protein is necessary to determine its function.

Answer:  

Knowledge of the sequence of a protein can help to prevent mutations.

 Explanation:  

<em>Amino acids connect to each other by peptidic bonds </em>to form a <em>linear polymer</em>. The number of amino acids composing the chain and the order in which they are arranged determines the primary structure of the protein.

The secondary structure is the folding that the polypeptide chain adopts thanks to the formation of <em>hydrogen bonds between the atoms that form the peptide bond.</em>

<u>Protein functions depend on their aminoacids sequences</u><u>.</u> <u>The primary structure of the proteins determines the three-dimensional one</u>. Proteins with different functions have different sequences. And among species, proteins with similar functions have similar structures.

By knowing the sequence of amino acids, we can predict the function of the protein and we can classify them into different families. Integrants of these groups have at least 25% of their sequences identical to each other.  

Also, the knowledge of the sequence allows establishing evolutionary and genetic relationships between different species.

When a mutation occurs in the sequence -an alteration in the primary structure- the protein function is modified. BUT knowing the sequence of a protein CAN NOT help to prevent mutations.

   

6 0
3 years ago
How do properties of water affect aquatic ecosystems?
DochEvi [55]

El agua presenta algunas propiedades térmicas que son:

Calor específico: Una masa de agua requiere gran cantidad de calor para elevar su temperatura, pero tarda más para enfriarse; actúa como regulador térmico. (15°C)

Calor latente de fusión: Para convertir 1 gramo de hielo en agua se requieren 80 calorías a 0ºC.

Conductividad térmica: La conductividad térmica del agua es muy baja, por tanto su calentamiento por conducción es muy lento.

El calor latente de evaporación: Gran parte de la radiación solar se utiliza en la evaporación del agua, produciendo efectos beneficiosos sobre los climas y éstos a su vez sobre las comunidades.

Densidad del agua: El agua al solidificarse aumenta de volumen, por tanto el hielo flota sobre las aguas. Esta propiedad evita que los lagos se solidifiquen totalmente, cuando las aguas se congelan en la superficie.

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3 years ago
Which two senses would most likely be activated by a description of a fireworks display?
Usimov [2.4K]
Sight and hearing would be the senses activated.
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Doppler radar instruments transmit information in the form of
9966 [12]

Answer:

By their design, Doppler radar systems can provide information regarding the movement of targets as well as their position. When the WSR-88D transmits pulses of radio waves, the system keeps track of the phase (shape, position, and form) of those pulses.

Explanation:

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Eukaryotic organisms that are neither fungi, plants, nor animals are members of which kingdom?
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Protista is the answer! Remember it as the catch all kingdom!
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