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natta225 [31]
4 years ago
5

Now i know that a metal crystal consists of

Biology
1 answer:
postnew [5]4 years ago
8 0

Answer:

what?

Explanation:

A metal crystal consists of positively charged metal ions embedded in a "sea" of valence electrons.

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We are able to learn a new language or a new sport because of the brain's ______.
Marizza181 [45]
The answer is neuroplasticity. The cerebrum's capacity to rearrange itself by shaping new neural associations all through life. Neuroplasticity enables the neurons in the mind to make up for damage and ailment and to modify their exercises because of new circumstances or to changes in their condition.
3 0
4 years ago
Wash hands for at least _____ in warm, soapy water before starting any food preparation.
AnnyKZ [126]

Answer:

15-20 seconds

Explanation:

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4 years ago
Which structures are fingerlike projections that greatly increase the absorbing surface of cells?.
Illusion [34]

Microvilli are the structures of fingerlike projections that greatly increase the absorbing surface of the cells.

<h3>What is Microvilli? </h3>

Microvilli are membrane protrusions that resemble fingers and are sustained by the actin cytoskeleton. They are present in practically all cell types. An increasing amount of research indicates that the highly curved membranes of the dynamic lymphocyte microvilli play a critical role in signal transduction that triggers immunological responses.

The examination of the process that generates curvature and its functional implications in signaling, however, was impeded by difficulties in altering local membrane curvature and tracking the high dynamicity of microvilli. Recent developments in adaptive super-resolution microscopy have helped to partially overcome these technological obstacles.

Therefore the structure that increases the absorbing surface area is called microvilli.

Read more about Microvilli, here

brainly.com/question/12993303

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4 0
2 years ago
A bee pollinates flowers social hierarchy social hierarchy territorial imperative territorial imperative competition competition
Ivanshal [37]

Answer:

cooperation

Explanation:

Cooperation occurs when living things of different species work together to benefit themselves. The interaction between a bee and a flower is a symbiotic relationship. A symbiotic relationship between two living things is one in which at least one of the parties benefits. The relationship between the bee and the flower is a mutual one because both parties benefit.

While the pollen and nectar serve as food for the bees, the spread of the pollen to other plants assist in the reproduction process.

5 0
3 years ago
Dr. Nachman and his colleagues collected rock pocket mice across 35 kilometers of the Arizona Sonoran Desert, which included bot
vlada-n [284]

Answer:

1)

  • frequencies of light-colored mice  ≅ 0.74
  • frequencies of dark-colored mice ≅ 0.26

2)

  • frequencies of light-colored mice ≅ 0.13
  • frequencies of dark-colored mice ≅ 0.87

3)

  • q² = 0.74
  • p² = 0.02
  • 2pq = 0.24      

4)

  • q² = 0.13
  • p² = 0.4
  • 2pq = 0.46

5)

The dark-colored fur seems to have the greatest overall selective advantage

6)

Dark lava, that changed the color of the substrate, from light to dark.

7)

Because to produce dark color, animals from the different regions suffered different mutations that drove them to have almost the same dark fur color. All of the animals are inhabiting dark substrate, which means that this environmental condition is favoring the same phenotype.

8)

To see if the mice population is evolving, you need to take a sample of animals per year, through many years, and analyze if it is changing or not. If the population is evolving, you will notice a change in the allelic and genotypic frequencies over the years, favoring one genotype or the other. If the population is not evolving, the frequencies will keep equal through the years, it will not change.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

Download pdf
8 0
3 years ago
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