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Studentka2010 [4]
3 years ago
12

How has technology changed the way people communicate?

Biology
2 answers:
timurjin [86]3 years ago
4 0

Answer: I think it’s C.

Explanation:

Artyom0805 [142]3 years ago
3 0
C. It has made it more efficient to communicate with people who are far away. (Please mark brainliest)
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Which best relates cells and viruses
Montano1993 [528]
<span>Cells are living units, surrounded by a membrane, with or without nucleus (this is also the majo division of cell types). Cells can live "on their own", if certain conditions are fullfilled. Viruses live inside (some) cells and they are dependent on those cells on survival</span>
3 0
3 years ago
"Cells in the lining of the stomach produce a protein called pepsinogen. When this protein is released into the chamber of the s
Sergio [31]

This is an example of Precursor gene regulation (protein translation) type of eukaryotic gene regulation.

<u>Explanation:</u>

The source which breakdown proteins into smaller amino acid is pepsin and generated as top cells within stomach lining or membrane, responsible for pepsinogen emission inside stomach. It is represented as zymogen having an extra 44 amino acids linkage as its primary structure. Hydrochloric acid (HCl) releases this zymogen which is emitted from the parietal cells in the stomach lining.

Once food is consumed, the hormone gastrine and the vagus nerve cause the secretion of both pepsinogen and HCl from the stomach lining. Hydrochloric acid induces an acidic environment that allows pepsinogen to unfold in an autocatalytic manner and thus generates pepsin the active form.

4 0
3 years ago
Please help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Mrrafil [7]

Answer:

number 1 answer is 3.

number 2 energy is flowing upwards. ex grasshopper eats the grass, rat or whatever that is eats the grasshopper, and the hawk eats the rat. energy is going up each trophic level.

number 3. if the grass became polluted, then animals would get pollution in their bodies and at some point would die. eventually the grass would die too. primary consumers such as mouse, rabbit, grasshopper/snails would accumulate the most pollution because they directly eat the grass. whatever that is in the grass goes straight into their bodies.

6 0
3 years ago
What an animal uses for food is part of its:
Naya [18.7K]
The answer is b)

The niche is the job the animal does in it's habitat to contribute to the habitat.
3 0
3 years ago
A survey reveals that 25 percent of a population of 1,000 individuals have attached earlobes (are homozygous recessive for the t
Mumz [18]

Answer:

d. pxp +2pq

Explanation:

The formula for genotype frequency for a population in Hardy-Weinburg equilibrium is as under:

                           p² + 2pq + q² = 1

where, p = dominant allele

           q = recessive allele

Here,

 p² represents frequency of homozygous dominant genotype

2pq represents frequency of heterozygous genotype

q² represents frequency of homozygous recessive genotype

Also, although the genotypes p² & 2pq are different from each other yet phenotypically they both will collectively produce dominant trait i.e. free ear lobes not attached earlobes. So the term "p² + 2pq or pxp + 2pq" represents the frequency of the individuals who show the dominant phenotype in this particular population. Dominant phenotype will comprise 75% of the population.

4 0
3 years ago
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