When using a compound light microscope, the most common
reason for staining a specimen being observed is to...

A) Keep the organism from moving around
B) make the view more colorful
C) determine the effects of chemicals on the organism
D) reveal details that are otherwise not easily seen

Answers

Answer 1

Answer:

D) reveal details that are otherwise not easily seen

Explanation:

The most common reason for staining a specimen is reveal details that are otherwise not easily seen.

Some details might not easily be visible when using the microscope without staining the specimen in view. The color added to the specimen help to bring out otherwise hidden parts of the specimen in full view.

Stains helps to highlight the features of the specimen and bring them into full view.


Related Questions

What substance are found in the plasma?

Answers

Essential components including water, salt, and enzymes are also present in plasma. These also include antibodies and coagulation components like albumin and fibrinogen.

What 3 substances are present in blood plasma?

Plasma, an aqueous blood component that contains proteins and salt, suspends red, white, and platelet-containing blood cells. It makes up about 55% of the entire volume of blood. Plasma contains a number of important proteins, including albumin, coagulation factors, fibrinolytic proteins, immunoglobulin, and others.

What element doesn't exist in plasma?

It mostly consists of water, proteins including globulins, albumins, and fibrinogens, as well as a variety of other substances like ions, hormones, glucose, and so forth. The lack of platelets in the part of the plasma.

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1. What is a control and how does a scientist use it in a controlled
experiment?
control

Answers

A control is a experimental variable that is kept constant or unchanged during an experiment. During a controlled experiment, the controlled variables are held constant to minimize or stabilize their effects on the subject, its unchanging state allows the relationship between the other variables being tested to be better understood.

a growth pattern in which poulation size stabilizes at a maxium limit

Answers

The growth pattern described is known as the carrying capacity.we can better manage and conserve natural resources and minimize our impact on the environment.

The carrying capacity is the maximum number of individuals that an environment can support sustainably, based on the availability of resources such as food, water, and habitat. When a population grows beyond the carrying capacity, there are not enough resources to support all individuals, which can lead to competition for resources, reduced reproductive success, and ultimately a decline in population size. The concept of carrying capacity is important in ecology and conservation biology, as it helps us understand how populations interact with their environment and how human activities can impact the sustainability of ecosystems. By understanding the carrying capacity of a given area, we can better manage and conserve natural resources and minimize our impact on the environment.

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3. The genotype of an individual is expressed as follows:
(a) blue eyes
(b) b
(c) tall
(d) aa X bb

Answers

Answer:

a blue eyes

please make my answer brainliest

Answer:

A.

Explanation:

Question 1 An investigation was set up to study the effect of an antibiotic on three strains of bacteria (A, B and C). The plates were incubated at 37°C for 48 hours. The diagram of plates 1, 2 and 3 in the bottom row above show the results of the investigation. Agar plates were set up as shown below. Study the investigation and answer the questions that follow. What is the aim of this investigaion? ​

Question 1 An investigation was set up to study the effect of an antibiotic on three strains of bacteria

Answers

The is to study the effect of an antibiotic on three strains of bacteria

Vitamin A is a relatively small, lipid-soluble molecule that can behave as a hormone. Most likely its receptor

A. Is an ion channel receptor

B. Is a protein kinase receptor

C. Involves a G protein

D. Is not connected to the plasma membrane

E. Does not exist; vitamin A does not have a receptor

Answers

Vitamin A is a relatively small, lipid-soluble molecule that can behave as a hormone. Most likely its receptor involves a G protein.

What is Vitamin A?

Vitamin A is a crucial nutrient that is beneficial to human eyesight, a healthy immune system, and cell growth. It is known for promoting healthy vision, skin, and mucous membranes. Vitamin A Receptor: Vitamin A receptor is a type of nuclear receptor protein, it is a zinc-finger transcription factor.

Vitamin A receptor is a mediator of retinoid signals, which are in charge of regulating biological processes such as development, cell differentiation, and homeostasis. Vitamin A receptor binds the retinoic acid, which can modify the DNA transcriptional activity.

The receptor most likely to be involved in Vitamin A is a G protein. Lipid-soluble hormones are hormones that can diffuse into the cells. They bind to receptors inside the cells, which can then modify gene expression to produce a response.

G protein-coupled receptors are transmembrane receptors that are bound to a G protein. G proteins are a family of proteins that are activated by G protein-coupled receptors. They interact with effector proteins to produce second messengers. As a result, the response is sent via intracellular signaling pathways.

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Hydrogen bonds can be found between no other molecules except water.


Answers

Answer:

Without hydrogen bonds, water molecules would move faster more rapidly, with less input of heat energy, causing the temperature to increase more for each calorie of heat added.

Explanation: This would also greatly reduce the amount of heat energy needed for phase changes from ice to liquid, and from liquid to vapor.

Answer: Not really a question but....Two molecules of water can form a hydrogen bond between them that is to say oxygen-hydrogen bonding; the simplest case, when only two molecules are present, is called the water dimer and is often used as a model system.

!00 points if someone gets it right

Read the information and analyze the chart and answer the question.

A mouse′s fur color is determined genetically. Black fur (F) is dominant to white fur (f).
A breeder has a female mouse that is homozygous recessive with white fur (ff). The breeder also has two male mice. One male mouse is a homozygous dominant mouse with black fur and the second male mouse is heterozygous with black fur. The female mouse had a litter of babies, but the breeder doesn′t know who the father of the offspring is. Below is a table that shows the fur color of the offspring.


Which of the two male mice is the father of the litter: the homozygous black mouse or the heterozygous black mouse?

Use the Claim, Evidence, and Reasoning writing format and be sure to include evidence from the table AND a Punnett Square you complete and reasoning to support your claim.

Baby mouse | Fur color
1 | black fur
2 | white fur
3 | white fur
4 | black fur

Answers

Answer:

heterozygous

black fur

Note Enter your answer and show all the steps that you use to solve this problem in the space provide
The midpoint of CD is E(-1,0) One endpoint is C (5,2) What are the coordinates of the other
endpoint?

Answers

Answer:E is as far from C as it is from D. So,CE = E-C = (-1-5,0-2) = (-6,-2)So, add that much to E and you getD = E+(E-C) = (-1,0)+(-6,-2) = (-7,-2)

Explanation:

Picoplankton may account for up to 80% of all the photosynthetic activity in some parts of the open ocean.

a. True
b. False

Answers

B false because I did that same answer

How are land breezes and sea breezes different?

Answers

Answer:

Land breezes come from land while sea breezes come from the ocean or other large bodies of water. The key difference is due to the property of water to retain heat and warm up longer as compared to land. Land breezes are also known as off-shore winds while sea breezes are also called on-shore winds.

Explanation:

Land breeze blows during the night from land to sea and the land becomes cooler faster than the sea. The air above the sea becomes less dense (i.e. warmer) and rises. The cooler air from the land moves in to take its place. Sea breeze: Sea breeze blows during the day and the land heats up faster than the sea.

does a community contain diffrent populations?​

Answers

Answer:

yes it does

Explanation:

the definition on "community" is a group that contains multiple populations

Answer:

In ecology, a number of species populations in an ecosystem form a community. So community is a larger unit compared to population; community encompasses all living organisms of an ecosystem, hence often termed as biotic community

Explanation:

mark as brainliast

Behavior can best be defined as

Answers

Answer:

Behavior is best defined as anything a person says, does, or feels.

what is it called when carrier molecules are used to move molecules down a concentration gradient?

Answers

Answer:

 facilitated diffusion.

Explanation:

 facilitated diffusion is when carrier molecules are used to move molecules down a concentration gradient.

Hope this helps!

Which of the following is an example of how enzymes are catalyst?
a)Enzymes can alter the free energy change (ΔG) for a chemical reaction.

b)Enzymes increase the free energy of the reactants to make the reaction go faster.

c)Enzymes provide the activation energy for the reactions they facilitate.

d)Enzymes lower the activation energy so that reactants absorb enough energy to reach transition state.

Answers

It’s D girlyyyyyyyyyyy

pls help
question b and c

pls helpquestion b and c

Answers

The sodium ions and potassium ions move between the plant cell and pond water by the process of diffusion.

What is diffusion?

Diffusion is the process by which substances move from region of high concentration to regions of low concentration.

Based on the chart, sodium ions and potassium ions move between the plant cell and pond water by the process of diffusion.

This is because the ions are at higher concentration in the pond water.

During the process, the ions move through ion channels in and out of the plant cell from the pond water.

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Which correctly describes the process of hearing?
pinna- auditory canal- tympanic membrane- ossicles- cochlea- auditory nerve
pinna- tympanic membrane- auditory canal- ossicles- cochlea- auditory canal

Answers

The correct description of the process of hearing is: a. pinna- auditory canal- tympanic membrane- ossicles- cochlea- auditory nerve.

First, the pinna, also known as the outer ear, collects the sound waves and directs them into the auditory canal. Next, the sound waves travel through the auditory canal until they reach the tympanic membrane, also known as the eardrum. The tympanic membrane then vibrates, which causes the ossicles, or the small bones in the middle ear, to move.

The ossicles amplify the sound waves and send them to the cochlea, which is located in the inner ear. The cochlea converts the sound waves into electrical signals, which are then sent to the brain via the auditory nerve. This is how we are able to hear and process sounds.

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Describe the difference in MPS (and hypertrophy) with overfeeding in an untrained/obese group compared to a group of trained individuals.

Answers

In an untrained/obese group, overfeeding can lead to an increase in muscle protein synthesis (MPS) and hypertrophy, but the response may be blunted compared to a group of trained individuals.

Trained individuals generally have a higher baseline level of MPS and muscle mass, which may limit the extent of MPS and hypertrophy in response to overfeeding.

In an untrained or obese group, overfeeding can provide an excess of nutrients, including protein, which can stimulate MPS and promote muscle hypertrophy. However, several factors may affect the response to overfeeding in this group. Untrained individuals may have lower baseline levels of MPS and muscle mass compared to trained individuals, which can limit the potential for substantial increases in MPS and hypertrophy.

Additionally, obesity is associated with metabolic dysregulation, such as insulin resistance and chronic inflammation, which can negatively impact muscle protein metabolism. These metabolic disturbances can impair the anabolic response to overfeeding and limit the extent of MPS and hypertrophy.

On the other hand, trained individuals who regularly engage in resistance exercise have already established a higher baseline level of MPS and muscle mass. Their muscles are more sensitive to the anabolic stimuli of overfeeding and may exhibit a greater response in terms of MPS and hypertrophy. Trained individuals also tend to have better metabolic health, which can further enhance the muscle protein synthesis response to overfeeding.

In summary, while both untrained/obese individuals and trained individuals may experience increases in MPS and hypertrophy with overfeeding, the response in the untrained/obese group may be blunted due to lower baseline levels of MPS, metabolic dysregulation, and impaired muscle protein metabolism. Trained individuals, with their higher baseline levels of MPS and muscle mass, may exhibit a more pronounced response to overfeeding in terms of MPS and hypertrophy.

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What happen after you drink mineral water, does it go to kidney and how it get removed

Answers

Mineral water poses no threat to your health and is processed through the kidneys like any other beverage. In fact, there are experimental studies showing mineral water’s potential to help kidney stone sufferers:

“It is concluded that mineral water containing calcium and magnesium, such as that used in this study, deserves to be considered as a possible therapeutic or prophylactic agent in calcium oxalate kidney stone disease.”
Source: https://pubmed.ncbi.nlm.nih.gov/9096270/

Answer:

dont know hope it helpsjcjdjc

Both parents can roll their tongue, yet their child cannot. What must the parent's
genotype be?
A. Parents must both be homozygous dominant
B. Parents must both be homozygous recessive
C. Parents must both be heterozygous
D. IDK​

Answers

The answer is C Heterozygous

Explanation: the inability to roll your tongue is a recessive trait. Since both parents are heterozygous, they carry that recessive gene, so their child will have a 25% chance of having that recessive trait; and therefore, unable to roll their tongue.

3. Assertion (A):- Plasma membrane is a selectively permeable membrane.
Reason(R):- Plasma membrane allows entry and exit of substances from cell through the process of diffusion.
a. Both A and Rare true and Ris correct explanation of the A
b. Both A and Rare true but Ris not the correct explanation of the A
C. A is true but Ris false
d. Both A and Rare false
4. Plasmodium is an example of Bacteria​

Answers

Answer:

the answer is option B. both A and R are true but R is not the correct explanation of A

Two parents who have type AA And Ai blood will have children with which blood
type?

Answers

The answer would be blood AA

How much is DNA important to identify a group? Give a brief explanation on race ,whiteness and property? Does biological anthropologists and genome scientist need to add the relation between Europeans and Indigenous people while doing their research?

Answers

DNA is important in identifying genetic relationships within a group, but it alone is not sufficient to determine complex social constructs like race, whiteness, or property; the inclusion of social, cultural, and historical factors is crucial in understanding these concepts.

Biological anthropologists and genome scientists should consider the relationship between Europeans and Indigenous people in their research to provide a more comprehensive understanding of human genetic diversity and population history.

DNA analysis can provide valuable insights into genetic relationships within a group, such as determining genetic ancestry or identifying related individuals. However, race, whiteness, and property are social constructs that go beyond genetic factors and are shaped by historical, cultural, and socioeconomic factors. These concepts are complex and cannot be solely explained by genetic data. Therefore, it is important for researchers, including biological anthropologists and genome scientists, to recognize the limitations of genetic data and consider the broader social context when studying race, whiteness, and property.

In the context of researching Europeans and Indigenous people, it is crucial for researchers to acknowledge and incorporate the historical and ongoing relationships between these groups. This includes understanding colonization, displacement, and the impact of power dynamics on genetic diversity and health outcomes. By including this relationship in their research, scientists can contribute to a more accurate and nuanced understanding of human genetics and promote social and scientific equity.

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Explain how different temperatures will affect the activity of yeast and whether the bread will rise?​

Answers

Lower temperatures will slow down the activation

Explanation:

Yeast has an optimum temperature of around 30-40 degrees Celsius. If the temperature is within this range, the yeast will be activated quickly and so the bread will also rise quickly. Below this temperature, the yeast will either be activated very slowly (bread would rise slowly) or it would not be activated at all (bread would not rise). Above the specified range and the yeast will possibly be denatured/killed, which will mean that the bread will not rise


PLEASE HELP ASAP I DON’T UNDERSTAND ANY OF THIS

PLEASE HELP ASAP I DONT UNDERSTAND ANY OF THIS

Answers

Answer: 2. Forms 3. 72.3% 14. Weather 6. H2O and O2 9. Gas 11. Liquid to a solid 10. Release 8. More

Explanation:

sorry that’s all I know

How are rocks weathered as in this example seen here?

How are rocks weathered as in this example seen here?

Answers

Answer:

b

Explanation:

Answer:

The correct answer is : Freezing and thawing of water breaks the rocks into pieces.

Explanation:

See picture.

Why do parrots mimic people?

Answers

Answer:

Parrots are intelligent and highly social animals with long life spans, just like people. ... So a domestically-bred parrot, such as a budgerigar, that mimics its people is doing what wild parrots naturally do: they are learning and repeating sounds made by its family and flock mates, who happen to be people.

Explanation:

Parrot expert Michael Schindlinger of Lesley University explained in Scientific American in 2007 that mimicking helps parrots separate members of their own community from outsiders. It can allow a bird to find its mate and prevent intracommunity conflicts over territory.

Of two stars of spectral class B5, one has broad hydrogen lines and the other has narrow hydrogen lines. How do these stars differ physically?

Answers

The physical difference between the two stars of spectral class B5 is that the star with broad hydrogen lines has a higher temperature and faster rotation compared to the star with narrow hydrogen lines.

The width of the hydrogen lines in a star's spectrum provides information about its physical properties. In this case, the star with broad hydrogen lines indicates a higher temperature and faster rotation compared to the star with narrow hydrogen lines.

The broadening of spectral lines is primarily caused by two factors: temperature and rotation. Higher temperatures lead to increased thermal motion of particles in the star, resulting in broader spectral lines. Therefore, the star with broad hydrogen lines has a higher temperature than the star with narrow hydrogen lines.

Additionally, the rotation of a star can also affect the broadening of spectral lines. A faster rotation produces a larger Doppler shift, which leads to broader lines in the spectrum. Therefore, the star with broad hydrogen lines is likely rotating at a higher speed than the star with narrow hydrogen lines.

Overall, the presence of broad and narrow hydrogen lines in the spectra of these B5 stars suggests differences in temperature and rotation, indicating variations in their physical characteristics.

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A hormone attaches to a target cell at a receptor protein. What do you know about this hormone?

Answers

Answer :

First of all the hormone is steroid hormone.

Explanation :

It'll bind to DNA in a direct way and it also have the capability to pass through cell membranes.

: )

100 points
1.Which statement is true about overpopulation?
A.
Overpopulation increases resource availability.

B.
Overpopulation is linked to decreased disease.

C.
Overpopulation occurs more frequently in developed areas of the world.

D.
Overpopulation results in increased waste and environmental pollution.

2.Which hypothesis is plausible for the extinction of the dodo bird? Select all answers that apply.

A.
The food and other resources they required became scarce due to climate change.

B.
An asteroid crashed into the region where the birds lived and only affected their survival and not the other animals that lived there.

C.
Cannibalism within the species caused the population to decline.

D.
Each bird dove into the water even though it could not swim, which led to mass drownings.

E.
Predators, including humans, hunted and killed the population to a point that it could not recover.

Answers

Answer:

(01) D

(02) E,C.

Explanation:

(01) the growing number of people in the cities puts a strain on waste management efforts. If a city cannot effectively cope, this will mean poor management which will strain the condition of our environment further. it can cause diseases especially in poor areas.

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