how do cells become differentiated? some cells contain maternal chromosomes and som contain paternal chromsomes

Answers

Answer 1

Answer:

They differentiate through the process of mitosis

Explanation:


Related Questions

Explain what might happen to the calcium carbonate in coral reefs, if
the sea water becomes more acidic?

Answers

If the sea water becomes more acidic, the calcium carbonate in coral reefs will start to dissolve.

What is acidic?

Acidity is a measure of how much a solution contains hydrogen ions (H+). Solutions with a high concentration of H+ ions are said to be acidic, while solutions with a low concentration of H+ ions are said to be basic.

This is because the acidity of the water increases the water's ability to dissolve the calcium carbonate, making it harder for the coral to build and maintain their calcium carbonate skeletons. As the calcium carbonate dissolves, the coral reefs will become weaker and more vulnerable to storms and other events that can damage them. In extreme cases, the coral may even die due to the acidic water. This could have devastating impacts on the entire ecosystem that relies on the coral reef.

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A pine tree, an amoeba, a mushroom, and a squirrel are all classified in the same:
kingdom
domain
phylum
species

Answers

kingdom because they are all living things .

Rachel wants to test how sunlight impacts plant growth over time she will add billing amount of light to different sets of plans what is the independent variable

Answers

Answer: sunlight.

Explanation: When trying to establish the level or extent of correlation or relationship which exists between two variables, the variables are classed as independent and dependent variables. The independent variable is referred to as the variable which causes a change in the value of the other variable (dependent variable). It is also known as the explanatory or predictor variable as it lead to changes in the dependent or predicted variable. In the scenario above, the independent variable is sunlight whose impact leads to changes in the growth level of the plant.

1 . What happens in the population if the mutation phenotype is helpful

2. Why does that happen for that population that has a helpful phenotype?

3. How does this mutation continue to exist in a population?

Answers

Answer:

1. The population will increase as they're better adapted to their environment and have a higher survival rate due to this helpful phenotype.

2. This happens to the population because this helpful phenotype might lead to less exposure to predation in which leads to a better survival fitness for the organism.

3. This mutation continues to exist as the organisms continue to successfully reproduce into the population due to being able to survive for longer.

Which is a density-dependent factor?

Which is a density-dependent factor?

Answers

Answer:

flood

Explanation:

Answer:

Space

Explanation:

solve it according to the question please.
the subject is petroleum, so please solve it regardibg
this.
F- Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)

Answers

During the Cretaceous period, high temperatures and abundant vegetation resulted in increased \(CO_2\) levels, leading to the accumulation of organic matter and the formation of good source rocks for oil and gas.

During the Cretaceous period, spanning from approximately 145 to 66 million years ago, the global carbon-climate cycle played a crucial role in the development of favorable conditions for the formation of good source rocks. The period was characterized by high global temperatures and abundant vegetation, resulting in increased carbon dioxide \((CO_2)\) levels in the atmosphere.

The elevated \(CO_2\) levels fueled vigorous photosynthesis, leading to the accumulation of organic matter in marine and terrestrial ecosystems. As this organic matter was buried and subjected to heat and pressure over millions of years, it transformed into oil and gas, creating potential source rocks. The warm climate and prolific vegetation during the Cretaceous, along with the subsequent geological processes, contributed to the formation of the rich hydrocarbon reserves that are vital to our energy resources today.

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The correct question is:

Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)

When plotting the number of individuals in a population against time, the data yield a j-shaped curve. What does this curve indicate?.

Answers

The exponential form of growth is indicated by the J-shaped growth curve for a species' population growth. The favorable variables have caused the growth rate to climb quickly.

Explain abut the J shaped curve?

American sociologist James C. Davies first proposed the J-curve hypothesis in 1962. He thought that social and political discontent was caused by a brief period of significant decrease in economic development following a protracted era of economic growth and improvement.

The j-shaped development curve known as a "J curve" is a visual representation of a situation in a novel environment when an organism's population density rises exponentially.

The population size, N, produces a J-shaped growth curve when it is plotted over time. This demonstrates that the number of people added with each reproduction generation is increasing more quickly.

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which of the following is a possible advantage of raising the overtime pay threshold?

Answers

One possible advantage of raising the overtime pay threshold is that it would provide more workers with overtime pay, resulting in increased income for lower-wage workers. This would have the effect of reducing poverty and improving income distribution, as well as improving the overall economy by putting more money in the hands of consumers.

In addition to providing more workers with overtime pay, raising the threshold could also have the effect of encouraging employers to limit excessive overtime work by either hiring additional staff or redistributing workloads.

This could help to reduce the negative effects of overwork, such as burnout, workplace injuries, and stress-related health problems. By reducing the prevalence of excessive overtime work, employers could also improve workplace productivity, quality, and safety, which would benefit both workers and employers.

Another possible advantage of raising the overtime pay threshold is that it could reduce the incidence of wage theft, where employers fail to pay workers for overtime work or misclassify workers as exempt from overtime pay.

By requiring more workers to be paid overtime pay, and by making it easier for workers to know their rights and demand fair pay, raising the threshold could help to reduce wage theft and improve labor standards overall.

In summary, raising the overtime pay threshold could have a number of advantages for workers, employers, and society as a whole, including increased income, reduced poverty, improved workplace productivity and safety, and reduced wage theft.

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the systems involved in water content regulation are ________.​

Answers

Answer:

kidneys, hypothalamus, and endocrine glands.

Explanation:

I don't think theres anything to explain rlly hope this is correct tho

FILL IN THE BLANK._________________ most closely resembles events of mitosis except that the cells are ___________.

Answers

Meiosis most closely resembles events of mitosis except that the cells are haploid.

Understanding Mitosis and meiosis

Mitosis and meiosis are both processes of cell division, but meiosis specifically occurs in gamete cells to produce four genetically diverse haploid cells.

In mitosis, a diploid cell divides into two identical diploid cells, whereas in meiosis, a diploid cell divides into four genetically diverse haploid cells.

The events of mitosis and meiosis include the replication of DNA, condensation of chromosomes, alignment and separation of chromosomes, and cytokinesis.

However, meiosis includes two rounds of division, resulting in the separation of homologous chromosomes and sister chromatids. This process allows for genetic diversity in offspring, which is essential for the survival of a species.

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The goldfish breeder kept two specked siblings (both from the same parents) in two different environments. The breeder noticed that the fishes’ scale colors stayed the same in these different environments, but their size was different: one was significantly larger than the other. Predict three possible environmental factors that could be influencing the size variation between these two goldfish.

Answers

There are several environmental factors that can influence the size variation between two goldfish kept in different environments.

What is Goldfish?

Goldfish (Carassius auratus) are freshwater fish that are native to East Asia. They are a popular aquarium fish and are also raised as ornamental fish in outdoor ponds. Goldfish are known for their bright colors and distinctive body shapes, which can vary depending on the breed.

Here are three possible factors:

Food availability: The larger goldfish may have had access to more food or a richer diet than the smaller goldfish, leading to increased growth and size.

Water temperature: Goldfish are cold-blooded animals and their growth rate can be influenced by water temperature.

Tank size: The amount of space available to the goldfish can also affect their size. The larger goldfish may have been kept in a larger tank, which allowed them to swim and move around more freely, leading to increased growth and size.

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Where is energy storef in living systems

Answers

Living organisms use two major types of energy storage. Energy-rich molecules such as glycogen and triglycerides store energy in the form of covalent chemical bonds. Cells synthesize such molecules and store them for later release of the energy.
Energy is stored in the chemical bonds in molecules

Which of the following statements are true of dietary protein amounts? (select 2) Athletes should consume higher than the RDA (0.8 grams/kg body weight/day) but the amount depends on type and amount of exercise Eating above the RDA, between 1.2-1.6 grams of protein/kg body weight/day, is 'optimal' for several health benefits in most Americans Athletes should consume the same amount of protein as sedentary individuals There is no way to eat above the RDA and still meet the other DRI and DGA recommendations Eating more than the RDA for protein (0.8 grams/kg body weight/day) does not improve health.

Answers

The following statements are true of dietary protein amounts:

Option A: Athletes should consume higher than the RDA (0.8 grams/kg body weight/day) but the amount depends on type and amount of exercise.

Option B: Eating above the RDA, between 1.2-1.6 grams of protein/kg body weight/day, is 'optimal' for several health benefits in most Americans.

Dietary protein amounts play an important role in the overall nutrition of individuals. The protein requirement varies among individuals based on their lifestyle, age, and sex. However, the statements A and B are true. Athletes need a higher intake of protein than the recommended daily allowance (RDA) for an average individual who has a sedentary lifestyle.

The amount of protein required by athletes depends on the type and amount of exercise they do. Eating above the RDA, between 1.2-1.6 grams of protein/kg body weight/day, is 'optimal' for several health benefits in most Americans.

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Q2. If a person was interested how light passes through clear substances, what field of science would be the best course of study?
quantum mechanics
electromagnetism
thermodynamics
optics

Answers

the answer is optics

Answer:

optics

Explanation:

Some areas of the world suffer from increased air pollution because they are surrounded by mountains which can trap
warm air above cold air during certain times of the year. What is this known as?
a. A temperature inversion
b. A grasshopper effect
c. Buffer zones
d. AVOC cloud
e.Industrial Ozone smog

Answers

The best answer to go with is b

Which type of cancer diagnosed in 1961 had the higest survival rate?

Answers

tesicle cancer has one of the highest survival rates along with thyroid cancer

the structure labeled 2 represents a molecule of

a
DNA
b
mRNA
c
tRNA
d
rRNA

the structure labeled 2 represents a molecule of aDNA bmRNA ctRNA drRNA

Answers

Answer:

The structure labeled 2 is tRNA, transfer RNA

the structure labeled 2 represents a molecule of aDNA bmRNA ctRNA drRNA

What are values?
(sociology)

Answers

Values are a culture standard for discerning what is good and just in society

When considering the embryonic growth of facial structures, it is important to remember that for the baby in utero, the most crucial period for possible genetic malformations is:

Answers

The most crucial period for possible genetic malformations in the embryonic growth of facial structures is the first trimester of pregnancy.

During the first trimester, which spans from weeks 1 to 12 of pregnancy, the embryo undergoes rapid development and differentiation of its tissues and organs, including the facial structures.

This is the period when the developing embryo is most vulnerable to genetic malformations, which can lead to a wide range of congenital facial abnormalities. Environmental factors such as exposure to teratogens, infections, and maternal health issues can also impact the development of the facial structures during this critical period.

As such, it is important for pregnant women to receive proper prenatal care to minimize any potential risks to the developing fetus during this time.

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What is carrying capacity?
the maximum number of organisms that can
live in a population
O the ability of the environment to provide
resources for a growing population
the maximum number of organisms an
environment can support for a long time
the maximum number of species that can live
in an ecosystem.
о

Answers

Answer:

the maximum number of species that can live  in an ecosystem.

Explanation:

The correct choice in this problem is that carrying capacity is the maximum number of species that can live in an ecosystem.

An ecosystem provides resources for organisms contained within it. The maximum number of organisms that an ecosystem can successfully support is the carrying capacity. Several factors can determined the carriage of an ecosystem. It could be space, resources, mating partners, nutrients etc.

Answer: Answer is C

Explanation:

Please HELP!!! ASAP!!Prokaryotes reproduce asexually via -
A. Spore formation
B. Bud creation
C. Vegetative propagation
D. Binary fission

Answers

Answer: I believe 99% it is D

Explanation:

help with 1,2, and 3 please? (51 points)

help with 1,2, and 3 please? (51 points)

Answers

1. The desired trait was the ability to produce yellow seeds that were edible.

2. This trait was important because the community was running low on food and the brown corn plants were not producing edible crops.

3. Genetic engineering took place by physically inserting the gene for yellow seed production from a yellow corn plant into the DNA of the brown corn plant.

What is genetic engineering?

Genetic engineering, or genetic manipulation, is  described as the modification and manipulation of an organism's genes using technology.

By transferring the gene for yellow seed production from a yellow corn plant to the brown corn plant, the community was able to produce edible crops and increase their food supply.

The genetic engineering was likely done through a process called genetic transformation, which involves using tools like plasmids or viral vectors to introduce new DNA into the target organism's genome.

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Briefly describe each group of specialized cells.

Tissue:

Organs:

Organ systems:

I need the answer fast

Answers

Answer:

Tissue:any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.

Organs:a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.

Organ Systems: A system is a group of organs that work together to perform a certain function in an organism’s body

Explanation:

Big brain

Tissue: Tissue is a group of cells that have similar structure and that function together as a unit. Primary types of body tissues include epithelial, connective, muscular, and nervous tissues.
Organs: An organ in a multicellular organism is a collection of tissues which are grouped in order to carry out a particular function. Each tissue in an organ consists of similar specialised cells.
Organ systems: An organ system is a group of organs that work together as a biological system to perform one or more functions. Each organ does a particular job in the body, and is made up of distinct tissues.

which mechanisms of transport uses atp directly to move materials across the plasma membrane?

Answers

Active transport mechanisms use ATP directly to move materials across the plasma membrane.

Active transport is a process that requires energy (in the form of ATP) to transport molecules or ions against their concentration gradient.

This energy is used to pump substances across the membrane, allowing cells to maintain concentration gradients and regulate the internal environment.

ATP (adenosine triphosphate) is the primary energy currency of cells, and it provides the necessary energy for active transport processes.

Through the hydrolysis of ATP, energy is released, which is utilized by specific protein pumps or transporters to actively move substances across the plasma membrane.

Examples of active transport mechanisms include the sodium-potassium pump, which transports sodium ions out of the cell and potassium ions into the cell, and the calcium pump, which transports calcium ions against their concentration gradient.

By using ATP directly, active transport enables cells to maintain homeostasis, regulate ion concentrations, and perform other essential functions that require the movement of materials across the plasma membrane.

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Sucrose is the assistant of the genius alchemist called.

Answers

Answer:

The Answer of your question is Albedo

Choose the example(s) of survival outcomes (choose all that apply).
Time worked per week on BIOS 6601 course
Race (White, Black, Asian, Native Hawaiian, American Indian or Alaska Native)
Time until acute lymphoblastic leukemia relapse
The amount of blood lost during the C-section
Time until death or stroke

Answers

The examples of survival outcomes are "Time until acute lymphoblastic leukemia relapse" and "Time until death or stroke." These examples involve measuring the duration until a specific event occurs, making them survival outcomes.

They are particularly relevant in medical research, where understanding the time to relapse or the time until death or stroke can provide valuable insights into disease progression, treatment effectiveness, and patient prognosis.

In the case of acute lymphoblastic leukemia, tracking the time until relapse helps researchers and clinicians assess the efficacy of treatment protocols and identify potential factors influencing disease recurrence. Similarly, studying the time until death or stroke allows for the evaluation of risk factors, treatment interventions, and survival rates in various populations.

"Time worked per week on BIOS 6601 course" does not represent a survival outcome as it pertains to the amount of time spent on a course, which is not directly related to health or mortality. Additionally, "Race" refers to categorizing individuals based on their racial background and does not inherently involve survival outcomes.

Survival outcomes focus on measuring and analyzing the duration until specific events occur, providing valuable information for medical and health-related research.

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The menopause is a developmental stage in women that is due more to genes than environment. It would not have evolved unless there were advantages for women, for families or for the community as a whole. What could these advantages be? Think at least two.

Answers

Cercel ben Türkçe konuşuyorum

Aaron, Blaine, and Cruz are solving the equation
4
7
(7 − n) = −1.
Aaron started his solution by multiplying both sides
of the equation by
7
4
.
Blaine started by using the distributive property to
multiply
4
7
by both 7 and −n.
Cruz started by dividing both sides of the equation
by
4
7
.
Which of the following is true?
Blaine and Cruz made an error in picking their first steps.
Cruz made an error in picking his first step.
All three made an error because the right side equals -1.
All three chose a valid first step toward solving the equation.

Answers

Cruz made an error in picking his first step. Therefore, option B is correct.

Aaron's step: Multiplying both sides by 7/4. This step is valid because multiplying both sides of an equation by the same non-zero value does not change equality.

Blaine's step: Using the distributive property to multiply 4/7 by both 7 and -n. This step is also valid because it correctly applies the distributive property to the expression.

Cruz's step: Dividing both sides by 4/7. This step is incorrect because dividing both sides of an equation by a non-zero value does not preserve equality. To solve for 'n', Cruz should have multiplied both sides by 7 - n instead.

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Answer:

yo

Explanation:

its D

or

All three chose a valid first step toward solving the equation.

Name one disease spread by dust infection​

Answers

Influenza is one type
Silicosis: One of the most common dust-causing diseases, Silicosis, is a form of lung disease marked by inflammation and scarring in the lungs. It occurs when silica, also known as quartz dust, is inhaled. Symptoms of this dust-causing diseases include shortness of breath, cough, and fever.

2. Sam and Jerry are having a discussion in their Environmental Science class. Sam
says that abiotic factors determine what biotic factors can be in an ecosystem. Jerry
says that biotic factors determine what abiotic factors can be in an ecosystem. Who
is correct? Use an example to support your answer. (2 points)

Answers

says that abiotic factors determine what biotic factors can be in an ecosystem. Jerry

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