Changes in water pressure within guard cells cause the cells to open or close the stomata. This response helps the plant maintain homeostasis by

Answers

Answer 1

Answer:

reduced water loss

Explanation:

When the water enters the cells, they swell and become bowed. This causes the guard cells to bend away from each other, thereby opening the stomata. Conversely, when guard cells lose potassium ions, water diffuses out of the cells by osmosis.

Answer 2

The response helps the plant maintain homeostasis by regulating water levels that plants lose during transpiration.

What is cellular homeostasis?

The expression cellular homeostasis makes reference to the processes by which an organism maintains an internal state of equilibrium.

Cellular homeostasis is fundamental for the survival of the cell and the organism.

Cellular homeostasis in this case indicates the mechanism to maintain concentration and gradients used by the plant to carry out metabolic functions.

In conclusion, the response helps the plant maintain homeostasis by regulating water levels that plants lose during transpiration.

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Related Questions

The extracellular matrix is found outside of, but attached to the cell membrane?
O True
O False

Answers

Answer:

True

Explanation:

The extracellular matrix is the space surrounding the outside of the cell, and is attached to the cell wall using proteins called integrins. Integrins are imbedded into the plasma to offer support to the structure. Hope this helps!

False
Because i know

How does a catalyst work?
A. by decreasing the temperature of a chemical reaction
B.by decreasing the pressure of a chemical reaction
C.by increasing the concentration of reactants in a reaction
D.by decreasing the activation energy of a reaction

Answers

D.by decreasing the activation energy of a reaction

how do trees create light for a house

Answers

Trees create light for a house by allowing sunlight to pass through it.

Also. trees can create light for a house when they are burned.

What is the role of trees in providing light?

In addition to providing shade, trees can help keep a place cool by lowering the demand for air conditioning.

Deciduous trees can also give shade during the summer while allowing sunshine to enter during the winter by being planted on a space's southern side.

By decreasing the need for artificial lighting during the day and helping to maintain the room's temperature, this can conserve energy and cut down on electricity bills.

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How does waste removal in a fetus differ from waste removal after birth?


A) Fetal waste is removed through the chorion; infant waste is removed through the rectum.


B) Fetal waste is removed through the rectum; infant waste is removed through the chorion.


C) Fetal waste is removed through the ductus venosus; infant waste is removed through the rectum.


D) Fetal waste is removed through the large intestine; infant waste is removed through the ductus venosus.

Answers

Answer: A) Fetal waste is removed through the chorion; infant waste is removed through the rectum.

Explanation:

A developing fetus is surrounded by chorion which is an outer membrane. The role of the chorion is to protect the embryo and provide nutrition to it in the form of blood supply. It helps in getting rid of waste products from the developing fetus that goes into the mother blood to remove out of her body. In case of infants the rectum is the last part of the digestive tract and it receives the waste in the form of fecal matter from small intestine which is removed out through the rectum.

a change in bowel habits prompts a 53-year-old woman to see her physician. on physical examination there are no lesions noted on digital rectal examination, but her stool is positive for occult blood. a colonoscopy is performed and reveals a 6 cm friable mass inthe cecum. a biopsy of this mass is performed and microscopic examination shows a moderately differentiated adenocarcinoma. after resection of the tumor, the oncologist begins treatment with 5-fluorouracil (5-fu) combined with other chemotherapeutic agents. 5-fu not only kills tumor cells but also rapidly growing cells of the immune system and intestine. what is the mechanism by which 5-fu selectively kills fast growing cells?

Answers

The mechanism by which 5-fu selectively kills fast growing cells is K-RAS mutation in the neoplastic cells.

An abnormal mass of tissue that paperwork whilst cells grow and divide extra than they need to or do no longer die once they have to. Tumors may be benign (not most cancers) or malignant (cancer). Benign tumors may also grow big however do not spread into, or invade, close by tissues or different parts of the frame.

There are three primary styles of tumor:

1) Benign: these tumors are not cancerous. They do no longer invade close by tissue or spread to other parts of the frame. ...

2) Premalignant: In these tumors, the cells aren't but cancerous, however they could doubtlessly end up malignant.

3) Malignant: Malignant tumors are cancerous.

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Explain how to distinguish different species by their DNA.

Answers

DNA analysis can be used to distinguish different species by comparing specific regions of their DNA sequences.

To distinguish different species by their DNA, scientists primarily focus on comparing specific regions of the DNA sequences that are highly variable among species. One commonly used region is the mitochondrial DNA (mtDNA), which is inherited maternally and has a higher mutation rate compared to nuclear DNA. Another region is the ribosomal RNA genes (rRNA), which exhibit variations among species.

The process typically involves extracting DNA samples from different organisms, isolating the target region of interest, and sequencing the DNA to determine the nucleotide sequence. The sequences obtained from different species are then compared to identify differences and similarities.

These differences can be used to create DNA profiles or genetic markers specific to each species. Advanced techniques such as DNA barcoding or whole-genome sequencing can provide more comprehensive information and aid in species identification.

By comparing DNA sequences, scientists can uncover genetic variations unique to different species, allowing them to distinguish and classify organisms accurately. This information is valuable in various fields, including taxonomy, conservation biology, forensic science, and evolutionary research.

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according the intermediate disturbance hypothesis, why does diversity decline at less frequent and low levels of disturbance? a. because increasing co-evolution reduces diversity b. because competition disrupts competitive exclusion c. because mortality increases with infrequent disturbance d. because competitive exclusion increases without frequent disturbance

Answers

According the intermediate disturbance hypothesis diversity decline at less frequent and low levels of disturbance because competitive exclusion increases without frequent disturbance. Option D is correct.

According to the intermediate disturbance hypothesis, diversity declines at both very low and very high levels of disturbance, while it is maximized at intermediate levels of disturbance. The reason diversity declines at less frequent and low levels of disturbance is because competitive exclusion increases without frequent disturbance.

Without disturbance, dominant species can outcompete other species, leading to a decrease in diversity. In contrast, at high levels of disturbance, populations are unable to establish and persist, leading to a reduction in diversity.

At intermediate levels of disturbance, however, the balance between disturbance and competitive exclusion allows for a greater diversity of species to persist.

Hence, D. is the correct option.

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You are studying a population of Dlugosch’s Small Octopus that has been suffering from a skin disease. In your work, you find that some individuals have more resistance (immunity) to the disease than others. You remember learning about life history trade-offs in your Ecology class, and you hypothesize that immunity trades off with investments in other major life history traits in the octopuses. You decide to design a study to test whether higher immunity leads to a lower number of eggs produced by females.
9. State a prediction for what the results of your study would look like if they support the hypothesis given in the Mission.
Make a figure of results that would be consistent with that prediction:
Label y axis with the variable that should be on the
Label x axis with the variable that should be on the
Draw results bars or lines consistent with your prediction
If the infection reduces the population size of the octopus, would you predict an r or a K strategy would be more likely to evolve (based on what we discussed in class)? Explain why that life history strategy would be favored in a small population, and give at least two traits associated with the strategy that you predict.

Answers

If higher immunity leads to a lower number of eggs produced by females in Dlugosch's Small Octopus, then there will be a negative correlation between immunity level and egg production.

A K approach would be more likely to develop if the illness causes the octopus population to decline. Resources are few in a tiny community, therefore long-term stability and survival are prioritized over rapid population expansion. The K approach emphasizes having fewer kids while allocating more resources to ensuring their survival and welfare. In a small population, the following two characteristics connected to a K strategy might be more prevalent:

Increased parental care: Parents invest more time and resources in raising a smaller number of offspring to increase their chances of survival and reproductive success.

Delayed maturation: Individuals take longer to reach reproductive maturity, allowing them to invest more time in growth, development, and building up resources before reproduction.

These traits help ensure the survival and success of the limited number of offspring in a small population, aligning with the K-selected life history strategy.

In this figure, the y-axis represents the number of eggs produced by females, and the x-axis represents the immunity level of the octopuses. The bars or lines would show a decreasing trend as the immunity level increases, indicating a negative relationship between immunity and egg production.

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You are studying a population of Dlugoschs Small Octopus that has been suffering from a skin disease.

This is a genetic question:
The Bionomial is a more complex calculation used when you have multiple events AND multiple outcomes. Use the following P (s of A, t of B) = ( N! ) ps qt
S! T!
BTW= s + t = n and p+q = 1

Answers

The formula for the binomial distribution is:

P(s of A, t of B) = (N! / (S! * T!)) * (p^s) * (q^t)

Where:

N is the total number of trialsS is the number of successes in the trialsT is the number of failures in the trialsp is the probability of success in each trialq is the probability of failure in each trial

The binomial distribution is a useful tool for calculating the probability of a specific number of successes in a set of trials. It is commonly used in fields such as genetics, where it can be used to calculate the probability of a specific genetic outcome occurring in a population.

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Would balanced force be the correct answer.Need fast.

Would balanced force be the correct answer.Need fast.

Answers

Answer:

at rest

Explanation:

could be

Explain the roles of extinction in evolution. What are some causes of extinction?

Answers

Answer:

Extinction is a natural process in evolution that occurs when a species dies out completely. Extinction plays a critical role in evolution because it creates opportunities for new species to emerge and diversify. When a species goes extinct, it leaves behind a gap in the ecosystem, which can be filled by new species that evolve to take advantage of the available resources.

Extinction can occur for a variety of reasons, both natural and human-caused. Some of the causes of extinction include:

1: Habitat loss: When the environment that a species relies on for survival is destroyed or altered, the species may not be able to adapt and may die out.

2: Climate change: As the climate changes, some species may not be able to adapt to the new conditions, leading to their extinction.

3: Overhunting or overfishing: When humans hunt or fish a species at a rate faster than it can reproduce, it can lead to the extinction of that species.

4: Pollution: Pollution can harm or kill species directly, or it can damage their habitat and food sources, making it difficult for them to survive.

5: Natural disasters: Natural disasters such as volcanic eruptions, earthquakes, floods, and wildfires can wipe out entire populations of species.

6: Competition from invasive species: When a new species is introduced to an ecosystem and outcompetes native species for resources, it can lead to the extinction of those native species.

Overall, extinction is a natural part of the process of evolution, and it helps to drive the diversification of life on Earth. However, human activities have significantly accelerated the rate of extinction in recent years, which can have serious consequences for ecosystems and the planet as a whole.

Organisms that are made up of prokaryotic cells are NOT ____________. Question 5 options: Simpler than organisms made up of Eukaryotic celled organisms Multicellular Bacteria All of these are true about prokaryotic cells.

Answers

Organisms that are made up of prokaryotic cells are not multicellular.

The correct option is (B) Multicellular.

What are prokaryotic organisms?

Prokaryotes are single-celled organisms.Their cell does not contain a nucleus and other membrane-bound organelles.Examples are Bacteria, cyanobacteria (blue-green algae), paramecium, etc.

Thus, option b is the best characterization of the prokaryotes.

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What is the function of xylem

Answers

Answer: Xylem is the specialised tissue of vascular plants that transports water and nutrients from the plant–soil interface to stems and leaves, and provides mechanical support and storage. The water‐conducting function of xylem is one of the major distinguishing features of vascular plants

Explanation: hoped this helped

Which step of protein synthesis does not utilize a protein factor? a. initiation complex formation b. tRNA selection c.peptide bond formation d. translocation e. termination

Answers

Peptide bond formation, which is the step of protein synthesis where amino acids are joined together to form a polypeptide chain, does not require the utilization of a protein factor. Option c is correct answer.

During protein synthesis, several steps require the involvement of various protein factors to facilitate and regulate the process. These protein factors assist in tasks such as initiation complex formation, tRNA selection, translocation, and termination. However, peptide bond formation, which occurs between the amino acids carried by tRNAs, does not rely on an additional protein factor.

Peptide bond formation is catalyzed by the ribosome itself, which acts as a ribozyme, an RNA molecule with enzymatic activity. The ribosome brings the amino acids close together and facilitates the formation of a peptide bond between the carboxyl group of one amino acid and the amino group of another. This process occurs within the ribosomal RNA (rRNA) component of the ribosome, specifically the peptidyl transferase center.

Unlike the other steps that involve the assistance of protein factors, peptide bond formation is mediated solely by the ribosome's inherent catalytic activity. Therefore, it does not require the involvement of an additional protein factor.

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Choose an organism to use as an example.


Describe the organisms reproductive strategy:



discuss how this strategy is an adaptation for this organism:

Answers

Answer:

I will go with sponges :)

Sponges reproduce asexually. The parent begins budding, when the buds grow to a certain point, they break off and drift with the oceans current to a new place, settle down into the sand or rocks, and start the cycle all over again. Since sponges are stationary organisms (meaning that they cannot travel on their own.) They rely on the oceans current to spread their species across the oceans.

Answer:

I would do a Moon Jellyfish

Explanation:

Moon jellyfish reproduce during two different stages in their life cycle. During the medusa stage, they reproduce sexually by releasing sperm and eggs into the water. The method of reproduction used by jellyfish polyps is known as budding, and it does look like a plant growing a new bud for a flower. The polyp essentially clones itself. The clone buds out of the original polyp and detaches to float freely in the water.

Amino acid is to protein as:

Answers:

DNA is to RNA

Sugar is to fat

Fat is to polysaccharide

Monosaccharide is to starch

Answers

Answer:

option D is correct

Explanation:

monosaccharide are the building blocks of oligosaccharide(starch)

If the sound of your toaster popping up toast causes your mouth to water, what are the ucs, cs, and cr?.

Answers

The food being toasted is the UCS; the sound of the toaster popping up is the CS; salivating to the sound of the toaster is the CR.

UCS is an unconditioned stimulus that directs the body of a person to make an automated response. As it is the food in the toasted that causes the automatic response of salivating to occur, hence food being toasted is the UCS.

A conditioned stimulus (CS) is a kind of stimulus that is triggered by a conditioned response. In the scenario above, the sound of the toaster popping up is a conditioned stimulus.

A conditioned response is generated by the paring of an unconditional and conditional stimulus. In the scenario above, the conditional and unconditional stimulus generate the conditional response of salivating to the sound of the toaster.

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Which of the following animals follows an innate behavior to live in large groups of the same species?


lions

cheetahs

tigers

leopards

Answers

Answer:lions

Explanation:

Why does the author present Redi’s experiments first, followed by Pasteur’s experiments?

Redi’s experiments were more important than Pasteur’s.
The author wanted to present the experiments in historical sequence.
Redi’s experiments completely changed the belief in spontaneous generation.
The author wanted to focus on the maggots that were found in the rotted meat.

Answers

Answer:

ThE aNsWeR iS b

Explanation:

Bc I gOt It RiGhT

Answer:

B

Explanation:

During what phase is the cell polyploid? Why is it polyploid at this point--what has happened to create this state and why is it important to the process?

Answers

Polyploid is cell which has two or more pairs of homologus chromosomes. There are two basic types of cell division are meiosis and mitosis

what is the purpose of the electron transport chain in a cell

Answers

Cells require energy to carry out the basic everyday functions necessary for survival. This energy comes from the mitochondria, which use the electron transport chain.

The electron transport chain is located in the membranes of mitochondria. This electron transport chain is a method used by the mitochondria to send protons towards the intermembrane space. This creates a proton gradient that drives protons through ATP synthase, thus creating ATP.

This process produces only a small amount of the ATP created by the mitochondria, and its main purpose is to create a proton motive force that will drive the synthesis of ATP through cellular respiration.

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the arterioles (small arteries) leading to an organ, constrict in order to decrease flow to the organ. to shut down an organ, the blood flow rate is reduced to 1.00% of its original value. assuming the pressure driving the blood flow stayed constant, by what factor did the radii of the arterioles constrict? penguins do this when they stand on ice to reduce the blood flow to their feet.

Answers

The radius of artery or the arterioles is constricted by a factor of 0.3 if the arterioles (small arteries) leading to an organ, constrict in order to decrease flow to the organ.

A force F is directly proportional to the constant velocity v, proportionate to the area A of the plate, inversely proportional to the space L between the plates, and directly proportional to the coefficient of viscosity.

A pressure differential is defined as a difference between the higher value of force applied by a fluid in motion to a unit area and the lower value of force applied by the same fluid to the unit area of the cross section. It is measured in the standard unit of Pascal. The solution is attached.

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the arterioles (small arteries) leading to an organ, constrict in order to decrease flow to the organ.
the arterioles (small arteries) leading to an organ, constrict in order to decrease flow to the organ.

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name the parts of the digestive system.

Answers

Some of the major parts are
•Salivary Glands
•Pharynx
•Esophagus
•Stomach
•Small intestine
•Large intestine
•Rectum

When we exhale does the diaphragm relax and goes down

Answers

Answer:

True.

Explanation:

The diaphragm is like a pump; to bring in air, it opens up, pulling air in. To release it, it closes back down, forcing air out.

Answer:

Yes

Explanation:

When we exhale, the diaphragm relaxes and proceeds to return to a normal resting shape. The air is forced out of the lungs causing the diaphragm to go down.

Which movement of particles would be most affected by a disorder that causes damage to carrier proteins

Answers

Answer:

Active transport

Explanation:

i took test

Answer:

C. active transport

Explanation:

Which movement of particles would be most affected by a disorder that causes damage to carrier proteins

The (4) ____ is built around the nose,lungs,and breathing tubes.

Answers

The ciliated epithelial cell is built around the nose, lungs, and breathing tubes.

What is a respiratory system?

A respiratory system is defined as one of the major systems of the body that is made up of organs that helps in the removal of carbondioxide and in take of oxygen for the use of body cells.

The organs of the respiratory system include the following:

NoseLungs Breathing tubes(trachea)

The ciliated epithelial cells is a natural in-built defensive mechanism that helps in the removal of dirts that are trapped during breathing.

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Can someone please help me with this

Can someone please help me with this

Answers

DNA replication process is the event during which the molecule duplicates. It occurs in the interphase and involved different enzymes, a DNA molecule, and free nucleotides. Image attached.

Whatis DNA replication?

DNA replication is the process through which DNI molecule duplicates. This event takes place during the S stage of the interphase. So when the cell divides during mitosis or meiosis, each cell will get a complete set of chromosomes.

DNI replication is semi-conservative because each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.

The origin of the replication requires helicase enzymes to break hydrogen bonds and separate the two original strands. The topoisomerase enzyme is necessary to release tension. Other proteins are also needed to join the strains and keep them separated.

Once the molecule is opened, there is a region named replication forks. DNA polymerase makes the new nucleotides enter into the fork and pairs them with the corresponding nucleotide of the original strand. Adenine pairs timine, and cytosine pairs guanine.

DNA strands are antiparallel, and replication occurs only in 5'-3' direction. So one of the strands will replicate continuously, while the other strain will be formed by short fragments known as Okazaki fragments.

Primers are needed to make the DNA polymerase work. Primers are small units of RNA and are placed at the beginning of each new fragment.

You will find the labelled Image in the attached files.

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Can someone please help me with this

what neurotransmitter is involved in the mesolimbic reward pathway?

Answers

Explanation:

dopamine is the neurotransmitter

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Two types of clouds and described below.

Cloud 1: Long columns that stretch high into the sky; often bring heavy rains, snow, and hail
Cloud 2: Long, gray, and cover most of the sky; often bring light rain, sleet, or snow

Which statement is true about the clouds?

A) Cloud 1 is a cirrus cloud, and Cloud 2 is a cumulus cloud.
B) Cloud 1 is a cumulonimbus cloud, and Cloud 2 is a stratus cloud.
C) Cloud 1 is a stratus cloud, and Cloud 2 is a cumulonimbus cloud.
D) Cloud 1 is a cumulus cloud, and Cloud 2 is a cirrus cloud.

Explain Why

Answers

Answer:

The answer is B.

Explanation:

A cumulonimbus is the one that stretched really high and can bring so much precipetation.

The stratus cloud can also bring light rain, sleet, or snow too. And they also cover most of the sky.

Answer:

B

Explanation:

Which of the following is a good way to prevent tonsillitis?

Which of the following is a good way to prevent tonsillitis?

Answers

Answer:

d. All of the above

Explanation: is correct and post protected

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