Cells, which range from a single cell in bacteria to trillions in humans, are the building blocks of all living things. Each of these cells is a distinct structure covered by a cell membrane and filled with cytoplasm, a thick fluid. The majority of DNA in human cells is contained in a compartment within the cell known as the nucleus. It is referred to as nuclear DNA.
Where is the DNA located?Cells are widely classified into two types: those found in prokaryotes (prokaryotic cells) and those found in eukaryotes (eukaryotic cells). Prokaryotes are single-celled organisms that lack a membrane-bound nucleus and other membrane-surrounded structures known as organelles. They are divided into two groups: bacteria and archaea.
Single-celled or multicellular eukaryotes exist. Eukaryotic cells, unlike prokaryotic cells, have a nucleus and other organelles. Eukaryotes include species ranging from fungus to plants and animals.
DNA is mostly found in prokaryotic cells in a core section of the cell termed the nucleoid, which is not surrounded by a nuclear membrane. Most prokaryotes' genetic material takes the shape of a single circular DNA molecule, or chromosome.
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What stage is Finland on Zelinsky’a model of mobility transition????
The stage that Finland is on Zelinsky’s model of mobility transition is stage three.
What is the stage three of Zelinsky’s model of mobility transition about?The Stage three ( is seen as Late transitional society) and this is one that is the "critical rung of the mobility transition" where urban-to-urban migration is said to be more than rural-to-urban migration.
Note that It is also one where rural-to-urban migration "continues but at waning absolute or relative rates," as well as "a complex migrational and circular movements within the urban network, from city to other kind of city or inside one metropolitan region" is said to have also increased.
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Which stage of the Demographic Transition Model do you think the person is living in? and explain why.
Koji is 25 years old and an only child. He attends a local university for computer science. He lives with his mother, father, and grandparents who are over 100 years old. They recently celebrated their 75th wedding anniversary.
Since Koji is 25 years old and an only child and He attends a local university for computer science. The stage of the Demographic Transition Model do you think the person is living in is stage 4.
What are the 5 stages of the demographic transition?The Demographic Transition Model are:
Stage 1 - High Population Growth Potential.
Stage 2 -Population Explosion.
Stage 3- Population Growth Starts to Level Off.
Stage 4 - Stationary Population.
Stage 5 -some Changes in Birth Rates.
At stage 4, the rates of birth and death are both low. If a result, as birth rates fall below the "replacement level," or as families are having an average of less than two children each, the population may stay the same or even decline.
Therefore, one should anticipate that the generation born in the second stage of the demographic shift is currently aging. In the meantime, these aging people of society must be supported by the potentially declining working population.
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use the DTM explain Europe's development as a source
of international migrants between 1800 and 1920
The use of DTM explain Europe's development as a source of international migrants between 1800 and 1920 is that it was in:
It was in Stages 2 to 3.There was high to moderate migration because overpopulation brought on by the industrial revolution.There was improved medical procedures as well as urbanization.What is the Europe's development about?Europe was at the second stage of development. Actually, they are in this stage as a result of the industrial revolution. Consequently, they had high rates of birth and low rates of death. They consequently overflowed.
Therefore, This caused numerous problems with the distribution of land and access to economic opportunities. Despite being in the midst of an industrial revolution, there were too many people and not enough jobs or land.
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Please arrange the the events of endomembrane system in order. The events are given in the attached image, please give them in order.
The nuclear envelope, lysosomes, vesicles, the ER, and Golgi apparatus, as well as the plasma membrane, comprise the endomembrane system.
What is endomembrane system?The endomembrane system is made up of various membranes that are suspended in the cytoplasm of a eukaryotic cell.
These membranes separate the cell into functional and structural compartments, which are known as organelles.
It is a group of eukaryotic cell membranes and organelles that collaborate to modify, package, and transport lipids and proteins.
The nuclear envelope, Endoplasmic reticulum, Golgi apparatus, Lysosomes, Vesicles and Vacuoles, and Plasma membrane are all included.
The arrangement here can be:
DNA region makes RNA.RNA moves out from nucleus.Rough endoplasmic reticulum makes protein through translation.Protein moves to Golgi apparatus.Golgi apparatus modify and package protein.It is then transfer through cytosol.Vesicle fuse with cell membrane and transport across plasma membrane.Thus, this is the correct sequence for the given scenario.
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Humans care for their children longer than most other species. Over the past couple of decades, teenagers have stayed in their family's homes longer than previous generations. Can this trend be attributed to the evolution of traits concerning survival? Why or why not?
Teenagers staying in their family's homes longer than previous generations can't be attributed to the evolution of traits because it isn't inherited and it's just a choice.
What is Evolution?This is referred to as the changes which occurs in the inherited traits of a population of organisms through successive generations and increases the chances of survival.
The trend which is about teenagers staying in their family's homes longer than previous generations is just a decision in the way parents of the present generation have loosened up in ensuring their children are independent before leaving their home in other to prevent negative effects such as crime etc.
Since the traits aren't passed from parents to offspring then it is not an evolution of traits concerning survival.
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1. Thirty-four college students were asked how much money they spent on textbooks for the current semester
Their responses are shown in the following stemplot.
A) From the information given, $810 is the outlier.
B) With regard to the distribution of money, it is correct to state that the distribution is skewed to the right.
What are Outliers?An outlier is a value in a random sampling from a population that is significantly different from the other values. In some ways, this interpretation leaves it up to the analyst (or a consensus process) to determine what is abnormal.
Analysis leading to the solution:
From the plot, the stems are given as:
Stems: 1 2 3 4 5 6 7 8
However, stem 7 does not have any leaf. Using the above information, the next entry after 620 is 810. 810 is relatively distant from the other datasets. Therefore 810 is an outlier.
With the above, it is correct to conclude that the distribution is skewed to the right.
It is to be noted that an outlier might imply faulty data. For example, the data may have been wrongly coded, or an experiment could have been done erroneously. If it is discovered that an outlying point is incorrect, the outlying value should be removed from the analysis (or corrected if possible).
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Full Questions:
Thirty-four college students were asked how much money they spent on textbooks for the current semester. Their responses are shown in the following stemplot.
1 2 3 3 4 5 5 6 7 8
2 1 2 3 4 5 6 8 8 9 9 9
3 1 2 2 7 8 9
4 1 4 5 7
5 1 3
6 2
7
8 1
Key: 1|2 = $120
a. Describe a procedure for identifying potential outliers, and use the procedure to decide whether there are outliers among the responses for the money spent on textbooks.
b. Based on the stemplot, write a few sentences describing the distribution of money spent on textbooks for the 34 students.
what’s the answer please give the correct one
Answer:
You are correct its 8
Explanation:
The allergens are
These major food allergens make up 90% of food allergic reactions in the United States:
Milk.
Eggs.
Fish (e.g., bass, flounder, cod)
Crustacean shellfish (e.g., crab, lobster, shrimp)
Tree nuts (e.g., almonds, walnuts, pecans)
Peanuts.
Wheat.
Soybeans.
true or false: a boolean expression with 3 variables will have 8 unique input combinations
Answer: I believe that this is true, good luck!
Answer: The correct answer is TRUE
If a research study is supposed to investigate why a school has a high student dropout rate, but actually ends up investigating why students choose to remain in school, what can be said about the research?
It lacks face validity.
It lacks face validity.
It lacks confounding validity.
It lacks confounding validity.
It lacks ecological validity.
It lacks ecological validity.
It lacks construct validity.
It lacks construct validity.
It lacks internal validity.
Answer: It lacks ecological validity
Explanation: It measures how test preformance predicts behaviours in the real-world settings and see some dropout if it's to hard or they don't care and others to choose to stay to take a challange or to get a better understanding on what they are doing or learning.
Answer:
The other person who answered is wrong. It lacks construct validity
Explanation: It didn't measure what it had intended to measure (drop out rates)