your instructor gives you an unknown organ for you to examine and identify through microscopy. what should you do first with the sample?

Answers

Answer 1

When examining an unknown organ and identifying it through microscopy, it is required fix it with preservative.

What is a preservative?

A preservative is a specific chemical compound used to conserve a biological sample.

In microscopy, preservatives are very useful to study the anatomy of body parts and their cells.

In conclusion, when examining an unknown organ and identifying it through microscopy, it is required fix it with preservative.

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Related Questions

This functional group consists of phosphorous bonded to three oxygens and double-bonded to one oxygen. Which functional group is shown in this image? O=P OT O This functional group consists of phosphorous bonded to three oxygens and double - bonded to one oxygen . Which functional group is shown in this image ? O = P OT O​

Answers

The biomolecule which  consists a functional group in which phosphorous bonded to three oxygens and double-bonded to one oxygen is Adenylic acid.

Adenylic acid is a nucleotide.

A nucleotide has three chemically distinct components.

One is a heterocyclic compound, the second is a monosaccharide and the third a phosphoric acid or phosphate unit.

It is a building block for a nucleic acid.

the heterocyclic compounds in nucleic acids are the nitrogenous bases named adenine, guanine, uracil, cytosine, and thymine. Adenine and Guanine are substituted purines while the rest are substituted pyrimidines. The skeletal heterocyclic ring is called as purine and pyrimidine respectively. The sugar found in polynucleotides is either ribose (a monosaccharide pentose) or 2' deoxyribose. A nucleic acid containing deoxyribose is called deoxyribonucleic acid (DNA) while that which contains ribose is called ribonucleic acid (RNA).

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Following a bad fall on the ice, 54-year-old Neal landed on his gluteal region. Subsequently, he has absolutely no feeling in the skin overlying the hamstring muscle group. What nerve do you suspect has been lesioned in the fall

Answers

The posterior cutaneous nerve of the thigh.

Loss of sensation to the sole of the foot would result from nerve blockade of the tibial nerve at the medial malleolus.

What is a sensory nerve?

A sensory nerve carries sensory information to the nervous system. Sensory information is that which is coming from external stimuli such as pressure and temperature. If a sensory nerve is damaged, the person loses sensation in that region of their body. This explains why the patient cannot feel his fingers.

Thus, this could be the answer.

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Which of the following could result in secondary succession?
the formation of a tall sand dune on a previously grassy beach
a vast glacier in motion forming a U-shaped valley in its wake
a volcanic eruption that covers most of what used to be a forest
an introduced species that destroys all the native plants in an area.

The answer is D. An introduced species that destroys all the native plants in an area.

Answers

I’d choose C but biology was a bit ago

The function of y is to transport ___ produced by plants during __ to other parts of plants.

Answers

Answer:

dissolved food substances,photosynthesis

Explanation:

Y is the phloem

Transportation occurs from the leaves to other parts of the plant

What types of animals are simians?

Answers

Simians are a group of higher primates animals such as monkeys, apes, and humans.

What are simians?

Simians are a taxonomic category of animals under the primate order.

Primates are divided into Simians and Prosimians. Simians are more advanced than Prosimians.

Humans belong to the primate order and are classified as Simians along with other animals such as monkeys and apes.

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During appositional growth of cartilage, the cells that produce the matrix are the:

Answers

During the appositional growth of cartilage, the cells that produce the matrix are the chondroblasts.

What are chondroblasts?

Chondroblasts are a type of specialized cell found in bone tissues that help with its growth.

Appositional growth is a special type of growth in the bones where the medulla cavity undergoes reabsorption.

In conclusion, during the appositional growth of cartilage, the cells that produce the matrix are the chondroblasts.

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Anita thinks that she has heterozygous alleles for red hair. if she is correct, which of these diagrams best illustrates anita’s alleles for red hair? 2 chromosomes are labeled upper r and upper r. 2 chromosomes are labeled upper r and r. one chromosome is labeled upper r and another is unlabeled. 2 chromosomes are labeled r and r.

Answers

Answer:

R r One uppercase R and one lowercase r

Explanation:

Heterozygous means having two different alleles. Since R is the dominant it means she has red hair and is still heterozygous.

Answer:

2 chromosomes are labeled R and r

Heterozygous means different, so you need two different traits.

What environmental impacts does green roofs and double window glazing have?

Answers

Answer:

A green roof can increase building efficiency and help reduce electricity costs.

Explanation:

I hope this helps!

Specialized cell types organized in a way that provides a specific function form.

Answers

Answer:

Tissue

Explanation:

A tissue is a collection of cells which are similar in structure and perform similar functions.

In this level a group of specialised cells stay together especially in higher plants.

Eg mesophyll layer in leaves

epidermal tissue, xylem tissue etc

Hope it helps

Monotheism is
a religion that believes in many gods.
an agnostic position toward the existence of god.
religion that believes in the existence of one god.
a belief that god does not exist.

Answers

Religion that believes in the existence of one god.

1. The greatest concentration of minerals in Arizona surrounds this city:
O Ajo
Phoenix
Flagstaff
Tucson
Kingman

Answers

Answer:

Flagstaff

Explanation:

Got the answer correct

The greatest concentration of minerals in Arizona in found in the city called Flagstaff.

Arizona is one of the most dense and prolific states in the USA for mineral and rock collectors.

It is incredibly diverse in terms of geology.

Minerals like copper, gems, crude perlite, molybdenum, silver, zeolites and more are present here in a very abundant amount.

The best places to collect minerals in Arizona includes area surrounding the cities namely, Flagstaff, Phoenix, Tucson, Clifton, Morristown and Kingsman. But the area with highest concentration those minerals is the near Flagstaff.

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Cellulose is a starchy carbohydrate.
Which of these statements about
cellulose is TRUE?
A. Cellulose is rarely found on Earth.
B. Cellulose is a type of fat.
C. Cellulose is a complex carbohydrate.
D. Cellulose dissolves easily in water.

Answers

Answer:

the answer is d

Explanation:

because as the first statement tell you it is a carbohydrate so B is eliminated .

and we know that it is found in plants so A is eliminated too.

and it makes cell wall and can not easily dissolve in water and d is eliminated so definitely the answer is C

The true statement about cellulose is a complex carbohydrate. The correct option is C.

What is cellulose?

Cellulose is a glucose-based linear polymer (polysaccharide) that is found in nature. Its chemical formula is (C6H10O5)X. Plants typically produce it through synthesis.

The primary characteristics of this polysaccharide are biodegradability and hydrolysis resistance. The sturdy formation of plant cell walls is greatly aided by cellulose, a hard, fibrous, and water-insoluble polysaccharide. 20.

The fibrils (bundles of microfibrils) and microfibrils (bundles of polysaccharides) made up of cellulose chains make up the plant cell wall. It is colorless and tasteless.

Therefore, the correct option is C. Cellulose is a complex carbohydrate.

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Which is considered a chemical mutation? tanning beds, tobacco, X-rays, or sunlight

Answers

Explanation:

chemical mutations are those chemical which change the DNA molecule in such an extent that it function and make different expressions of gene

tobacco is considered as chemical mutation

How is the law of conservation of mass applied to ecology?

Answers

Answer:

The laws of conservation of mass applies to ecology because the transfer of nutrients from organisms to the ground results in excess energy not disappearing

Answer: The law of conservation of mass states that the total amount of mass remains constant in a system. In ecology, this means that when an organism is eaten, its mass is conserved. Some of the organism’s mass is used to make new proteins, and some of it is passed as waste in the form of urine or feces. The rest is converted directly into energy. This energy helps the consumer to move and grow, and it helps it to build and repair new tissue.

Explanation: The written response for you guys

Fossil fuels represent Group of answer choices a large amount of paleozoic and mesozoic biomass buried anaerobically millions of years ago. natural deposits of organic materials that formed long before life on Earth evolved. the remains of fossil animals that lived a few thousand years ago. sustainable sources of energy that are underused today.

Answers

Fossil fuels represent the remains of fossil animals that lived a few thousand years ago.

How fossil fuel are formed?

Fossil fuels are formed from decomposition of plants and animals dead bodies. These fuels are found in the Earth's crust. It contain carbon and hydrogen, which can be burned for energy.

So we can conclude that Fossil fuels represent the remains of fossil animals that lived a few thousand years ago.

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If your blood becomes too diluted, what will happen to the red blood cells?
A. They absorb some of the ions to balance the concentration.
B. They undergo lysis.
C. They undergo crenation.
D. They become turgid.

A B C or D i rlly dont need anything else

Answers

Answer:

C

Explanation:

honestly this is just my answer I'm not even sure I'm just trying to get points

Answer:

B

Explanation:

Animals help with seed dispersal by (doing what?)

Answers

One way animals help with seed dispersal is via digestion,

One way in which photosynthesis would be affected if all the air spaces in the leaf were filled with cells

Answers

Carbon dioxide must flow from the air spaces into the leaf for photosynthesis to take place. By diffusing via tiny pores called stomata, it achieves this.

How gaseous exchange is affected if cells are filled in the air spaces.

Cells called stomata are found on the epidermis, or skin, of an above-ground plant. These cells allow water and oxygen to enter the plant while also allowing carbon dioxide to depart.  The process through which plants absorb carbon dioxide and exhale oxygen as waste is known as photosynthesis. Intake of carbon dioxide reacts with water in the presence of sunlight to produce glucose and other molecules that are high in energy.If, air spaces are filled with the cells no exchange of gases takes place which does not allow plants to produce energy-rich compound glucose.

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reviewing Meiosis:
1. Draw a diagram depicting the process if crossing over. ​

Answers

Answer:

I attached a diagram I found online. This one is a bit more general. If you want me to include the PMAT part of meiosis, then just ask.

An organ is a part of the body composed of two or more tissue types and is designed to perform at least one specific physiological function

Answers

An organ is a body part that is made up of two or more different tissue types and is intended to carry out at least one particular physiological function. An organ system is a collection of organs that cooperate to meet the body's essential needs and provide for it.

what effect does binding of epinephrine to a G protein linked receptor have on a cell?

Answers

Epinephrine generates the separation of the G protein linked receptor and it activates the G protein to trigger proper cellular signaling.

What is Epinephrine?

Epinephrine is a key chemical messenger (i.e. a hormone) that binds to suitable ligands in the cell membrane.

Upon Epinephrine binding, G-protein is activated to produce a molecular cascade and triggers a cell signaling inside the cell.

In conclusion, Epinephrine generates the separation of the G protein linked receptor and it activates the G protein to trigger proper cellular signaling.

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(love) Every mother ____ her children.​

Answers

Answer:

love fill in the blank

hope it is helpful

What do you call a chemical within the postsynaptic neuron that is indirectly activated by synaptic activity and interacts with intracellular enzymes or receptors?

Answers

A chemical within the postsynaptic neuron that is indirectly activated by synaptic activity and interacts with intracellular enzymes or receptors is second messenger.

What is second messenger?

A second messenger is a substance whose release within a cell is promoted by a hormone and which brings about a response by the cell.

This chemical is within the postsynaptic neuron that is indirectly activated by synaptic activity.

Thus, a chemical within the postsynaptic neuron that is indirectly activated by synaptic activity and interacts with intracellular enzymes or receptors is second messenger.

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Which methods are commonly used by sysadmins to organize issues? check all that apply

Answers

The methods which are most commonly used by the sysadmins to organize issues are;

Random machine checks.Service monitoring alerts.

Which methods are commonly used by sysadmins to organize issues?

In a bid to further enhance early detection of issues, it has become standard practice to carry out random machine checks at frequent intervals and enable service monitoring alerts. The combination of the aforementioned techniques helps sysadmins detect faults early before they get out of hand.

Remarks;

Random machine checks

Daily checks on each machine

Service monitoring alerts

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A purple flower with a genotype PP is crossed with a white flower that has a genotype of op. What would the phenotype of the offspring be? You may need to use a punnet square to answer the question .

Answers

When a purple flower with a genotype PP is crossed with a white flower that has a genotype of pp. The phenotype of the offspring would be Purple (Pp).

What is Genotype?

Genotype may be defined as the ultimate combination of the alleles of those genes which are selected for specific studies.

The phenotype of the offspring would be Purple (Pp). This is because the allele of the purple phenotype is dominant over the allele of the white phenotype. That is P > p.

The Punnett Square may be represented below:

Therefore, it is well described above.

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Two different bacterial samples, a and b, were inoculated onto simmons citrate agar. What conclusions can you make?

Answers

Bacteria sample A utilizes citrate while sample B does not.

What is the result of a simmons citrate agar?

Simmons citrate agar is a nutrient agar which contains the compound sodium citrate as a carbon source for microorganisms.

It is used to differentiate bacteria based on their use of citrate as a sole source of carbon.

A positive result for for citrate utilization will change the agar from green to blue while a negative result will remain green.

Therefore, since bacterial sample A produced a blue color while sample B agar remained green, A utilizes citrate while B does not.

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Cells are for tissues as organs are to

Answers

Answer:

Your answer is organ systems.

Explain why the biodegradation of plastic might be more hazardous to the environment than the presence of plastic as marine debris.

Answers

Answer:

they generate a large amount of macrobiotic flora which can cause diseases to humans as well as animals

Answer:

While plastic is not generally considered biodegradable, it can be broken down by the action of photodegradation and certain microbes. The breakdown products of plastic, however, are extremely toxic to marine life and once the plastic breaks down they are free to enter into the food chain. Therefore, while plastic marine debris is hazardous and dangerous to marine organisms, the toxic breakdown products of plastics have the potential to do even more damage.

Explanation:

Sample answer :)

determine the following describe an acid,base, or neutral substance

Answers

According to the research, acids and bases are two different types of substances opposite to each other and it is neutral when it is neither acidic nor alkaline.

What is an acid, base or neutral substance?

An acid is that chemical substance capable of transferring protons (H+) to another chemical substance.

A base is that chemical substance capable of capturing protons (H+) from another chemical substance.

A neutral substance is one that when dissolved in water dissociates into its ions.

Therefore, we can conclude that according to the research, acids and bases are two different types of substances opposite to each other and it is neutral when it is neither acidic nor alkaline.

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simplexviruses can establish latent infections of ________ cells.

Answers

Simplexviruses establish latent infections of nerve cells.

What are simplex viruses?

Herpes Simplex viruses are viruses that are ubiquitous and causes wide range of diseases.

They are of two types;

Herpes simplex virus type 1 (HSP-1)Herpes simplex virus type 2 (HSP-2)

Simplex viruses causes or establishes latency in trigeminal ganglia sensory neurons in individuals.

Therefore, simplexviruses establish latent infections of nerve cells.

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