1)What are some examples of specialized cells
and what do they do?
2) Why is the specialization of cells in organisms
significant and important for homeostasis?



























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Answers

Answer 1
Answer:
mast cells, melanocytes, nerve cells, cardiac muscle cells
Explanation:
There are lots of examples of specialized cells, but here are four.
Mast cells - release histamine and heparin, which are important in directing the inflammatory response. These cells direct the first line of defense in preventing infection
Melanocytes - release melanin, which is a brown pigment that gives skin and hair its color. This is an important process because melanin reflects UV light, which can damage DNA in skin cells
Nerve cells - specially designed to allow nerve impulses (called action potentials) to travel throughout the body. They use electrical signals to allow the whole body to communicate
Cardiac muscle cells - responsible for muscle contraction of the heart. They have specialized structures like intercalated discs that allow rapid communication between cells. This is important because every cell in the heart has to contract at the same time to allow blood to flow properly throughout the body.
The specialization of cells in organisms is important because it allows us to do many specialized functions. Non-specialized cells are pretty limited in what they are able to do, so they are small and inefficient. Specialized cells also help prevent disease, which is the opposite of homeostasis.

Related Questions

which is true about a daughter cell produced by mitosis

Answers

Answer:

what are the options?

Explanation:

Answer:

it contains no DNA

________________________ happen when pairs of bonded bases in a double strand of DNA get replaced with different pairs.

_________________________ happen when extra base pairs are included in an existing DNA sequence.

_________________________ happen when base pairs in an existing DNA molecule get removed from it.

Fill in the blanks correctly

Answers

Answer:

Explanation:

A base pair is two chemical bases bonded to one another forming a "rung of the DNA ladder." The DNA molecule consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups. Attached to each sugar is one of four bases--adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.

what is the main reason scientist do experiments?
A) to find out if a hypothesis is correct
B) to provide jobs for scientists
C) to find different ways to use lab equipment
D) to educate science students

Answers

A. to find out if a hypothesis is correct.

Which of the following would have hydrophobic interactions with the hydrophobic amino acid phenylalanine?
the negatively charged amino acid glutamate
the positively charged amino acid arginine
the hydrophobic amion acid isoleucine
the polar amino acid serine

Which of the following would have the strongest interaction with the negatively charged amino acid aspartate?
the negatively charged amino acid glutamate
the positively charged amino acid arginine
the hydrophobic amino acid isoleucine
the polar amino acid serine

Which of the following would have the strongest interaction with the positively charged amino acid lysine?
the negatively charged amino acid glutamate
the positively charged amino acid arginine
the hydrophobic amino acid isoleucine
the polar amino acid serine

Answers

Answer:

polar

Explanation:did the test g


Is phrenology an example of science or
pseudoscience? Explain your answer.

Answers

Answer:

Pseudoscience

Explanation:

Phrenology is an example of pseudoscience. It is the belief that studying the conformation of the skull reveals the character traits and mental faculties of an individual, a conclusion not at all rooted in fact but nevertheless studied and pursued as such thereby giving a false sense of being based in scientific methods.

Answer:

Pseudoscience

Explanation:

Phrenology is an example of pseudoscience because Gall held beliefs and ignored any information that didn't align with his beliefs. This is a direct example of Gall using pseudoscience and testing his hypothesis with bias through his belief.

Describe how gravity is associated with many erosional agents.

Answers

Answer:

Gravity is associated with many erosional agents, because the force of gravity tends to pull all material down the slope. is when a rill channel evolves to become deep and wide. glaciers are dense so they can carry large rocks and debris for a long distance.

Role of gravity in erosion, because gravity tries to draw everything down the slope, gravity is linked to numerous erosional agents.

What are erosional agents?

Glaciers and running water both erode due to gravity. This is a result of gravity pulling water and ice downward. These are examples of indirect effects of gravity on erosion.

Due to the force of gravity, mass movement is an erosional process that carries rocks and sediments down slope. The material is moved from higher heights to lower elevations, where it can be picked up and moved to even lower levels by other carrying mechanisms like streams or glaciers.

Therefore, glaciers and running water both erode due to gravity. This is a result of gravity pulling water and ice downward. These are examples of indirect effects of gravity on erosion.

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Which end of an earthworm contains an organ that can detect smells?

Answers

Answer:

The anterior (front) end of an earthworm contains an organ that can detect smell.

:)

What would be the complimentary strand for the DNA sequence
ATAACGA

Answers

I believe it is TATTGCT
TATTGCT is the answer


The Moon's repeated pattern of movement and changes in appearance is known as the revolution .It is due to the Moon?

Answers

Answer:

No, the patterns are made by the light of the sun that reflects on the moon. The darker part of the moon is caused by the shadow of the earth.

4. What factors might affect bone strength?

Answers

Answer:

Bone strength is influenced by changes in the structure (size and shape) and composition [cortical (compact) bone, trabecular (sponge-like) bone, amount of cartilage] of the bone. 6 A high peak mass at a young age and the decrease of bone loss at a later age are two ways to reduce osteoporosis risk.

Explanation:

Answer:

Bone need enough Calcium

Explanation:

The amount of calcium in your diet. A diet low in calcium contributes to diminished bone density, early bone loss and an increased risk of fractures.

Physical activity. ...

Tobacco and alcohol use. ...

Sex. ...

Size. ...

Age. ...

Race and family history. ...

Hormone levels.

How does the anatomy of mitochondria allow it to do
cellular respiration?

Answers

Answer: Mitochondria have an important role in cellular respiration through the production of ATP, using chemical energy found in glucose and other nutrients.

The Forensic Anthropology Facility was founded by whom?

Answers

was found in 1981 by anthropologist William Bass to research human decomposition and insect activity.

True or false The further you go back in a family tree the more changes you would expect
to find in a conservative gene.

Answers

la verdad que

 Explanation:

Proszeee o poommoooc

Answers

Answer:

Explanation:                                                                                                             Proszeee o poommoooc

what are the production characteristics of hampshire swine?

Answers

They have erect ears. The belt is a strip of white across the shoulders that covers the front legs around the body.

HELP I NEED HELP WITH THIS question!!! PLZZZZ!
Question: What could happen if the human body dosen't take in or all of these's moleclues?

Answers

Answer: if the Human Body does not take in their necessary molecules such as protein, natural sugar, salt etc then it won’t be able to produce energy to stay woke much longer.

Explanation:

Can anyone help me with this science question

Answers

Answer:What the text is telling you is about scientist and

it may help you learn about scientist is in a lead work

Explanation:

Explain how damaged DNA in a stem cell could cause a large impact to an organism

Answers

DNA damage can affect normal cell replicative function and impact rates of apoptosis (programmed cell death, often referred to as 'cellular senescence'). Alternatively, damage to genetic material can result in impaired cellular function, cell loss, or the transformation of healthy cells to cancers.

why do muscle cells have more mitochondria than the other types of cells?

Answers

Muscle cells need energy to do mechanical work and respond quickly. Thus a higher number of mitochondria is present so that the cells requirement of energy to perform its specific function is fulfilled

Answer:

Muscles require more and quicker release of energy.

Explanation:

Muscles need energy quickly and in high amounts so more mitochondria are needed to fulfill this energy demand.

(01.07 MC) worth 50 points
Fracking uses highly pressurized fluids, such as water mixed with sand and chemicals, to drive open cracks that exist in underground rock. Which statement
best describes an environmental consequence of this process for ecosystems?
O Wastewater is contaminated with oil and becomes sludge in landfills
O Water vapor is released into the air, which is considered a greenhouse gas,
Heavy metals are released into surrounding soil, poisoning local vegetation
O Billions of gallons of water are pulled from surrounding areas

Answers

The correct answer is that chemicals added to the liquid can contaminate groundwater.

Fracking is a method of drilling fossil energy resources, which requires a lot of water and consumes local water resources. It is pumped with high pressure water, sand and chemicals, causing high pressure to block the porous rock and release gas.  

The water spill itself destroys nature from the drilling site, and may even cause earthquakes, especially due to the pumping of abundant wastewater into porous rock types such as limestone. For example, Oklahoma appears to have become a special earthquake risk area. The biggest impact of water distortion is on groundwater. In Wyoming, USA, the same chemicals found in groundwater have been found in groundwater, and some of them are toxic or carcinogenic.  

Answer:

the answer is A

Explanation:

Fracking is a method of drilling fossil energy resources, which requires a lot of water and consumes local water resources. It is pumped with high pressure water, sand and chemicals, causing high pressure to block the porous rock and release gas.  

The water spill itself destroys nature from the drilling site, and may even cause earthquakes, especially due to the pumping of abundant wastewater into porous rock types such as limestone. For example, Oklahoma appears to have become a special earthquake risk area. The biggest impact of water distortion is on groundwater. In Wyoming, USA, the same chemicals found in groundwater have been found in groundwater, and some of them are toxic or carcinogenic.  

What are the two most common types of secondary structure found in proteins?

1- α-helices and β-arrays
2- double stranded helices and β-arrays
3- α-helices and β-pleated sheets
4- β-spirals and α-turns

Answers

Answer:

1- α-helices and β-arrays

please help me, i’ll give brainlist and points please don’t be one of those people that go “link below”

Answers

Answer:

The answer is 4.

Explanation:

First step :)

how is a snake biotic

Answers

Answer:

The term biotic factors refers to the way in which an organism -- such as a snake -- interacts with its environment or ecosystem. ... Biotic factors of snakes involve how they impact the necessary balances that make their ecosystem function, especially with regard to a snake's role as both predator and prey.

A snake is biotic because it is living biotic is living, abiotic is non-living.

How many chromatids does a human somatic cell contain at the end of G2 phase just prior to mitosis?

Answers

92

After replication there are a total of 46 chromosomes, with 92 individual chromatids, in each cell. G2 Phase: During G2, the cell makes proteins that are used in cell division. One of the proteins will be used in the formation of microtubules. 2.

Is a scorpion a keystone species

Answers

Answer:

Keystone Species: Kangaroo Rat Keystone species are species whose presence and role within an ecosystem has a disproportionate effect on other organisms within the system. Hawk (predator)/lizard (prey). scorpion (predator)/insect (prey). if their is no relationship between these two then the scorpions will die off and the insects will thrive.

Explanation:

Please check out my question

Many industrialized countries exist in an ecological deficit due to their lack of productive land, overproduction of waste, or low freshwater supplies. Which scenario describes a way to create an ecological surplus for an industrialized country?

Import beef and soy products into the country

Export garbage and wastes to other countries

Change farming techniques to conserve soil

Allow unlimited freshwater resources for all

Answers

Answer: change farming techniques to conserve soil

Explanation:

The scenario that describes a way to create an ecological surplus for an industrialized country is the change farming techniques to conserve soil. The correct option is C.

What are farming techniques?

Farming technology, the system of practices used in crop production The goal of agricultural technique is to ensure high crop yield with minimal labor and capital investment per unit of realized product.

The circumstance that characterizes a manner for an industrialized country to generate an ecological excess is changing farming techniques to conserve soil.

Thus, C is the correct answer.

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How does pollution contribute to global warming?

O lt changes the direction of major currents.
O It forms a barrier that keeps in the sun's heat.
O It makes it harder for the sun's rays to reach Earth.
O It makes it more difficult for sea life to survive in the ocean.

Answers

Pollution contribute to global warming by  (B). It forms a barrier that keeps in the sun's heat.

Meaning of Global Warming

Global warming can be defined as the process by which the earth surface is heated and its temperature is raised up leading to a climate change that affects all the inhabitants of the earth.

In conclusion, Global warming has done more harm than good and in recent times it has really led to a variation in climates

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An individual with androgen insensitivity syndrome will:

A. Not be feminized at puberty
B. Prefer a female sexual partner
C. Not function sexually as an adult
D. Have female external genitalia

Answers

Answer:

D I think. i am not completely sure.

An individual with androgen insensitivity syndrome will have female external genitalia, which is option D, as androgen insensitivity syndrome (AIS) is a genetic condition in which an individual's cells are unable to respond to androgens.

What is androgen insensitivity syndrome?

Androgen insensitivity syndrome (AIS) is a genetic disorder in which an individual's body is unable to respond properly to male sex hormones, called androgens. The condition is caused by mutations in the gene that codes for the androgen receptor, which is a protein that binds to androgens and enables them to activate certain genes. In individuals with AIS, the androgen receptor either doesn't work at all or doesn't work properly, which leads to a range of physical changes that can vary in severity depending on the degree of androgen insensitivity.

Hence,    An individual with androgen insensitivity syndrome will have female external genitalia, which is option D.

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How many different types of tissue cells are there in humans?
A. 2,000
B. 20,000
C. 20
D. 200

Answers

Answer:

200

.........................................

The presence of a cholesterol in the plasma membrane of some animals

Answers

Answer:

The amount of cholesterol in animal plasma membranes regulates the fluidity of the membrane and changes based on the temperature of the cell's environment. In other words, cholesterol acts as antifreeze in the cell membrane and is more abundant in animals that live in cold climates.

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