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NemiM [27]
3 years ago
11

Study the diagram of the selectively permeable membrane below.

Biology
1 answer:
sveta [45]3 years ago
4 0
There’s no diagraaaammmmm.
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In working with Drosophila it is common to use a balancer stock to maintain mutations of interest. The balancer chromosomes are
spin [16.1K]

The inversion would suppress recombination.

In Drosophila, the mutations which are recessive are lethal or recessive sterile. Balancer chromosomes are used to hold the deleterious mutations in stable shares as well as to save you recombination with the aid of suppressing.

Chromosomal inversions prevent the recuperation of recombinant chromosomes in ways.

  • the crossovers do now not shape within the location of inversion breakpoints, due to the fact synapsis is inhibited.
  • unmarried crossovers' inner inversions result in aneuploid gametes that cannot give upward push to normal progeny.

Drosophila is a genus of flies, belonging to the own family Drosophilidae, whose participants are often referred to as "small fruit flies" or (much less regularly) pomace flies, vinegar flies, or wine flies, a connection with the feature of many species to linger around overripe or rotting fruit.

Learn more about Drosophila here brainly.com/question/14458439

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6 0
1 year ago
The rain forests of the world trap a large amount of carbon dioxide, a greenhouse gas. Every year, however, more rain forest is
IrinaVladis [17]

Carbondioxide, being a green house gas has the property of trapping the heat from the sunlight and thus increasing the temperature of the place. As more and more rain forests are cut down and burned, there is an increase in this green house gas in the atmosphere thus leading to a steady increase in the temperatures.

As we look at the graphs that are given, we can see that the graph C shows the steady increase in the temperature as the time passes. Hence option C is the right answer

7 0
3 years ago
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¿Qué se puede agregar a un átomo para hacer que un electrón sin valencia en el átomo se convierta temporalmente en un electrón d
NNADVOKAT [17]

Energía.

Explicación:

Generalmente, los electrones giran continuamente en las capas de los átomos. Si estos electrones se encuentran en las capas más externas de un átomo, se denominan electrones de valencia.

Son necesarios para las reacciones químicas de un átomo en particular con otro, a través de sus pérdidas o compartidas.

En los átomos sin valencia, sus capas más externas no tienen electrones en sus capas más externas, tales átomos son estables.

Sin embargo, si se suministra cierta cantidad de energía a dicho átomo, el electrón gana energía y, por lo tanto, se excita.

Por lo tanto, se mueven de niveles de energía más bajos a niveles de energía más altos, y hacen que el átomo sin valencia se convierta en valencia temporalmente, a medida que se mueven hacia la capa más externa.

Answer:

Energy.

Explanation:

Generally, electrons revolves continuously in the shells of  atoms.if these electrons are located in the outer most shells of an atom,they are refereed to as the Valence electrons.

They are needed for chemical reactions of a particular atom with another,through their loses or sharing.

In Non -valence atoms their outermost shells do not have electrons at their outermost shells,such atoms are stable.

However, if  certain quantity of energy is supplied  to  such atom, the electron  gains energy and therefore becomes excited.

They therefore move from lower energy levels to higher energy levels,and makes the non- valence atom becomes valence temporarily, as they move into the outermost shell.

5 0
3 years ago
Based on what you know about the six types of infectious agents, what type of agent do you think was plaguing Anna explain your
AleksAgata [21]
Infectious agents are those that corrupt and prey on an organism or a host. This is sometimes called parasitism when a foreign organism consumes a host by preying on its nutrients and food. Hence, we are uncertain in Anna's case because there is no clear description of her symptoms. 
3 0
3 years ago
Why should a scientist repeat the same experiment several times before reporting the results?
77julia77 [94]

Answer:

Because is the systematic observation, evaluation of facts and ideas

Explanation:

In scientific methods you have to find the problem, find solution experiment on it several times so that it will be accurate enough then you draw conclusion that is why scientists experiment several times to verify the solution

8 0
3 years ago
Read 2 more answers
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