Learn how to correctly prepare and observe specimens using _____________________ ______________________ slides.

Answers

Answer 1

Microscope slides are used to support samples of organic material to observe under the microscope.

What are microscope slides?

Microscope slides are small flat pieces of thin, delicate glass of varying sizes. Usually, their size is about 75 x 25 mm, but they might vary according to the brand.

They are used to hold samples of tissue of diverse nature to observe under the microscope.

The way to prepare a slide might vary according to what you need to observe under the microscope and if it is a definitive or temporal microscopic prepared.

Sections of the sample are placed over the glass slide and fixated with liquid or other elements. It can be previously stained to observe and differentiate different structures.

Usually, to avoid lens accidents, slides are prepared together with cover glasses, which are even thinner squared pieces of glass that cover the organic material, so the lens does not get in touch with it.

There are graticule slides useful to make counts or take measures of the sample content.

Learn how to correctly prepare and observe specimens using _microscope_ slides.

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Related Questions

Please help don’t understand

Answers

Answer:

I believe the answer is D

Explanation:

Why is there a need for a student to get acquainted to different laboratory apparatus?

Answers

A student needs to get acquainted with different laboratory apparatuses because then they can prevent any error, accident, or hazard from happening.

While working in the laboratory, a student needs to know which apparatus is required to perform what experiment/function. They need proper practice so as to remember the specific job of every instrument.

For example, a student should know that they need to use a cover slip properly so that they can prevent any bubbles from forming on their slide while looking at it under the microscope. If they do, they potentially reduce the chances of error in their calculations.

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Use friction, deformation, air pressure and force in a sentence

Answers

Pressure builds up whenever there is friction and air. And if both are present, it deforms the set. In order for friction to work, pressure and air both are important.

What is friction, deformation, air pressure and force?

Friction: the force that resists against the relative layers of liquids, solids and other materials as they slide over each other.

Deformation: It is the continuous mechanical transformation of a body from a reference configuration to its current configuration. A configuration is a set containing the positions of all particles in a body.

Air pressure: The force exerted by compressed or free air on a surface it comes in contact with.

Force: Influences that can change the movement of an object. A force can change the velocity of an object with mass, i.e. accelerate it.

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what is name of the new island off iceland that has begun succesion since 1963?

Answers

Answer: Surtsey

Explanation:

Surtsey is a new island formed by volcanic eruptions in 1963-67.

Which is one way that waves erode coastlines?

Back-and-forth movement loosens sediment and rock.
Large rocks are picked up and deposited in new areas.
Continuous impacts build up sediment and rock.
Loose sediment is picked up and blown to other locations. pls help

Answers

The option that is one way that waves erode coastlines is option A.) back-and-forth movement loosens sediment and rock.

What causes wave erosion?

The main factors that cause sea wave erosion are hydraulic pressure, the force of waves hitting the beach, and the abrasion of sand and stones stirred up by the water constantly.

Note that a vibration is the back-and-forth motion of an object. Energy is carried through vibrations. A vibration is the back-and-forth motion of an object.

Hence, Sediments from cliffs and shorelines are eroded by waves. Ocean water's sediment functions as sandpaper. They degrade the shoreline over time. More erosion is brought on by larger waves and more sediment carried by them.

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Answer: a. Back-and-forth movement loosens sediment and rock.

Explanation:

What characteristics of the lungs of infants and small children creates increased risk of respiratory disorders

Answers

Answer:

The internal diameter of the airways in a child is smaller. Any inflammation or obstruction may cause more severe distress. In general, pediatric airways are smaller, less rigid, and more prone to obstruction. Children also have higher respiratory rates than adults making them more susceptible to agents in the air.

Explanation:

PLEASE HELP WILL GIVE BRAINLIEST

Answers

Answer:

122+293

773

because you are you still

Answer:

Notothenioidei is one of 19 suborders of the order Perciformes. The group is found mainly in Antarctic and Subantarctic waters, with some species ranging north to southern Australia and southern South America.[2][3] Notothenioids constitute approximately 90% of the fish biomass in the continental shelf waters surrounding Antarctica.[4]

773 is answer

Plants (such as the trees
shown in this image) that
continue to grow year after
year without dying fall into
which of these categories
of angiosperms?
A. millennials
B. annuals
C. perennials this is answer

Answers

Answer:

perennials

Explanation:

Plants that persist for many growing seasons. Generally, the top portion of the plant dies back each winter and regrows the following spring from the same root system (e.g. Purple Coneflower). Many perennial plants do keep their leaves year-round and offer attractive borders and groundcover (e.g. Tickseed, Shasta, and Ox-Eyed Daisy).

Answer: C. perennials this is answer

What environment would be least likely to rapidly grow bacteria and why?

Answers

The environment least likely to rapidly grow bacteria is a classroom desktop, option 3 because it is dry and mostly clean and not as conducive a place for bacteria which thrive in warm, moist, protein-rich environments.

How and where do bacteria thrive?

Bacteria live in both hot and cold temperate environments than humans but they thrive more in warm, moist, protein-rich environments with an acidic pH. They can survive and adapt to extreme temperature regions too.

Bacteria can be found in water, swamps, soil, plants, animal, waste and so on. They strive in stratospheres of 6 and 30 miles into the atmosphere and ocean depths.

This is the full question:

What environment would be least likely to grow bacteria and why? Here are your choices:

1. The armpit of a human

2. A warm freshwater mud puddle

3. A classroom desktop

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If a woman with normal vision that carried an allele for color blindness X N X n married a man with normal vision(XNY), what would be their possible offspring

Answers

after using a punnet square, the following offspring are 50% female normal (25% normal, 25% carrier), 25% male normal, and 25% male colorblind. i’ve included a picture of the cross to help you out!

Differentiate between the lysogenic and lytic cycles. (1 point)
Viral proteins are synthesized during the lysogenic cycle.
O The virus injects DNA into the host cell during the lysogenic cycle.
O The host cell is destroyed during the lytic cycle.
O The host cell copies its own DNA during the lytic cycle.

Answers

Differentiate between the lysogenic and lytic cycles The virus injects DNA into the host cell during the lysogenic cycle.

The lytic cycle includes the replica of viruses using a number cellular to fabricate greater viruses; the viruses then burst out of the cellular. The lysogenic cycle involves the incorporation of the viral genome into the host cellular genome, infecting it from inside.

Inside the lytic cycle, the viral genome does no longer comprise into the host genome. within the lysogenic cycle, the viral genome consists of into the host genome and stays there throughou The main difference among lytic cycle and lysogenic cycle is that lytic cycle destroys the host cell while lysogenic cycle does no longer spoil the host mobile

The primary difference between lytic cycle and lysogenic cycle is that lytic cycle destroys the host cell whereas lysogenic cycle does not destroy the host cell. Viral DNA destroys the host cell DNA and arrests the cellular features within the lytic cycle. but, in the lysogenic cycle, viral DNA may merge with the host.

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Which statement describes the cyclic nature of seafloor spreading?
A. Continents are created
B. New oceanic crust is created
C. Volcanoes erupt and remove crust
D. The old crust gets thicker at subduction zones

Please hurry i have 10 minutes left

Answers

Answer:

volcanoes erupt and remove crust

Answer: the answer is C. Volcanoes erupt and remove crust

Explanation: I got it right on edge 2021

which new gene formation does fit to ortholog type of homology in evolution?

Answers

Gene duplication is a new gene formation phenomenon that fits the ortholog type of homology in evolution.

What is homology in evolution?

The expression homology in evolution makes reference to the emergence of similarities between two or more sequences due to a common origin, which may occur as a consequence of gene duplication and subsequent divergence of ortholog sequences in order to play different roles as genetic material in the cell of an organism.

Therefore, with this data, we can see that homology in evolution is caused by similarities due to a common ancestor and it may be due to gene duplication.

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List the steps of the Krebs cycle and the products it creates.

Answers

Answer:

Step 1: Condensation of acetyl CoA with oxaloacetate.

Step 2: Isomerization of citrate into isocitrate.

Step 3: Oxidative decarboxylations of isocitrate.

Step 4: Oxidative decarboxylation of α-ketoglutarate.

The Krebs cycle results in the production of one FADH2, two NADH, two carbon dioxide molecules, and one ATP/GTP.

Explanation:

Which part of the flower
contains the anther and
pollen grains?
A. petals
B. pistil
C. stamen this is answer

Answers

Answer:

The anther contains pollen grains. The anther is an oval-shaped sac located at the upper end of the stamen in which pollen is produced, stored, and later released from the plant. It can appear from light yellow to dark red so that they attract pollinators (honey bees) to flowers, and make reproduction in plants possible.

Explanation:

Answer: C, Stamen

Explanation:

A. without/not this
B. study of
C. life/living
What does the
prefix "a-" mean,
as in abiotic?

Answers

Abiotic is a prefix that often means "not, without." Abiotic is etymologically defined as "removed from everything related to life," much as amoral is defined as "lacking in morals."

What are abiotic factors?

An ecosystem's non-living components that influence its surroundings are known as abiotic factors. Examples in a terrestrial ecology can include heat, light, and water. Salinity and ocean currents are examples of abiotic elements in a marine ecosystem.

The interaction of biotic and abiotic elements results in a special ecosystem.

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Answer:

a) without/not this

Explanation:

The prefix "a-" in abiotic means as "without/not this". Abiotic organisms are non-living components. Therefore, the option (a) is the correct answer.

Which geographic distribution is
the most common form and occurs
when individuals are located
around resources in large groups?
A. migratory
B. uniform
C. clustered
D. random

Answers

B uniforms

Expiation uniforms help tell each group apart

Name the three most common
prokaryotic shapes?
A. bacteria, archaea, and protists
B. cocci, bacilli, and spirilla this
C. Neither of these

Answers

Answer: B. Cocci, Bacilli, and Spirilla

Explanation:

Select the correct answer. The energy entering this system is equal to the energy leaving the system. Based on the law of conservation of energy, how many units of energy are entering the system? Illustration of squared labeled system. The arrows on the right side line of the square and the bottom line of the square are pointing out with energy values 10 and 5 units. The arrow on the top line with question mark is facing into the square. A. 5 units B. 10 units C. 15 units D. 20 units

Answers

The units of energy entering and leaving the system total 15 units. (Option C)

Why do we have the above as the right answer?

According to the rule of conservation of energy, "energy cannot be generated or destroyed; instead, it evolves from one form to another." Because you have not provided the given value, it is important to remember that the energy exiting the system equals the energy that entered the system.

In physics, energy is the quantitative quality that is imparted to a body or a physical system and is visible in the form of heat and light. The law of conservation of energy holds that energy can be transformed in form but cannot be generated or destroyed.

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Complete Question:

The energy entering the system is equal to the energy leaving the system. Based on the laws of conservation of energy, how many units of energy are entering the system?

5 units

10 units

15 units

20 units

4 organelos celulares comparados con objetos cotidianos

Answers

Four cell organelles in living cells are: mitochondria, nucleus, ribosomes and endoplasmic reticulum.

What is meant by mitochondria, nucleus and ribosome?

The mitochondria refers to that organelle found in the cytoplasm which is regarded as the power house of cells.

The nucleus is the organelle in the cell where all cellular activities are controlledThe ribosomes are the sites of protein synthesis.

That being said, a cell is defined as the structural, functional and basic unit of life.

So therefore, it can be deduced from the task above that ribosomes and mitochondria are some of the few organelles in the cells of living organisms.

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Match each part of the cell with its function.
cell wall
cell membrane
cytoplasm
ribosome
fills the cell and protects the structures
inside it
produces proteins
gives the cell its shape
separates the inside of a cell from the
environment

Answers

Cell membrane = separates the inside of a cell from the environment
Cell wall = gives the cell its shape
Cytoplasm = fills the cell and protects the structure inside it
Ribosome = produces proteins

In which type of cell do both DNA replication and cellular respiration take place in the cytosol?

- Animal cell
-Fungal cell
-Plant cell
-Bacterial cell

Answers

Both DNA replication and cellular respiration take place in the cytosol of a Bacterial cell.

What is a bacterial cell?
Small, single-celled organisms called bacteria exist. Nearly all areas of the world are home to bacteria, which are essential to its ecosystems. Some species can survive in environments with high pressure and temperatures. In fact, it's thought that there are more bacterial cells in the human body than there are human cells. Bacterial cells don't have a nuclear membrane therefore both DNA replication and cellular respiration take place in the cytosol. Hence, bacterial cells do both.


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in a developing embryo, what process allows cells of the mesoderm to give rise to muscle bone, and heart tissue

Answers

Answer:

cell differentiation

Explanation:

Gastrulation

occurs during week 3 of human development. The process of gastrulation generates the three primary germ layers (ectoderm, endoderm, mesoderm), which primes the system for organogenesis and is one of the most critical steps of developments

How is it possible that muscle and fat cells make up 75% of human cells by weight but 84% of cells are red blood cells?

Answers

RBC’s make up about 84% of cells in the body, but they are only 4% of body weight. Whereas, 75% of total weight are fat cells and muscle cells. They’re both large cells but constitute only a minute fraction of the total number of cells.

How many cells is the human body made of?

The exact number of cells is still debatable. But to put it briefly, around 30-40 trillion. The long answer? Not yet determined.

What we do know, is that RBC’s (red blood cells) make up the majority of cells in our bodies. They make up only 4% of total mass, despite constituting 80% of all cells. The reason is that RBC’s measure 8 micrometers in diameter.  The size of fat cells, however is around 100 micrometers.

The total number of cells to this date is still not defined, but we have a slight idea of what could be.

Therefore, the reason for RBC’s having 84% of cells and 75% of fat cells is their mass. RBC’s are only 4% of total weight because their measure is only 8 micrometers. Whereas fat cells are around 100 micrometers in diameter.

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Which statement is true regarding a chemical reaction? (1 point)

O The total number of atoms does not change, so mass is conserved in the reaction.

O The total number of atoms changes, so mass is conserved in the reaction.

O Even if the total number of atoms does not change, mass may not be conserved in the reaction.

O Even if the total number of atoms changes, mass may not be conserved in the reaction..

Answers

Answer:B) The total number of atoms does not change, so mass is conserved in the reaction.

Explanation:According to the Law of Conservation of Mass, no matter can ever be created or destroyed. The number of atoms does not change, thus the mass does not change.

Question5
a) What is the primary way that muscle force is controlled?
b) Describe this phenomenon and explain how this relates to changes in muscle
circumference.

Question6:
Which of these two types of muscle contractions (Isotonic, Isometric) is used in the body to promote joint stability? Briefly explain your reasoning.

Answers

Answer:

Q5 a) he nervous system controls muscle force by varying both motor unit recruitment and rate coding.

     b) The central nervous system can increase the strength of muscle contraction by the following: Increasing the number of active motor units (ie, spatial recruitment) Increasing the firing rate (firing frequency) at which individual motor units fire to optimize the summated tension generated (ie, temporal recruitment)

Q6)  isometric contractions are active in maintaining posture and maintaining bone and joint stability.

Challenges in sustainable development

can you explain this diagram.. I will mark you brainlist..


help... !!!!​

Answers

Answer:

Explanation:

environment is first then society then economy

Examples and non examples of nucleus

Answers

.Answer:
Prokaryotes and Eukaryotes?
Explanation:
Im not really sure what this question was asking, but Prokaryotes are an example of organisms which have no nucleus, their DNA floats inside of them, these are usually unicell.
Eukaryotes have a nucleus, and these can be unicellular, but are mostly multicellular for example animal cells and plant cells are all eukaryotes.
Hope this helps! :)
P.S To remember "Pro" is NO nucleus and "Eu" DO have a nucleus (rhymes)

The most observed human variations
changes gradually rather than having
discrete boundaries as expected-This
gradual change is referred to as a?
A. Cine
B. Slow change
C. Gradient
D. Clinal

Answers

The most common human variants are those that vary gradually instead of having defined boundaries as would be expected as cine

The correct answer is A

Is a gradual transition preferable?

For issues that don't call for irregular change and that can be improved continuously and sustainably, gradual change is an more stable method. When there is divided government, modest, incremental adjustments are frequently the only way any change could take place.

What exactly is gradual change?

Instead of happening all at once, a progressive process or change happens in little increments over time. A steady, sluggish procedure is required to lose weight. Synonyms include steady, even, sluggish, and regular Alternative Words for gradual

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what is the density of lions (in lions/km2) in the portion of the park that has been studied

Answers

The density of lions per each km² in the portion of the park that has been studied is 0.05125 lions/km², i.e., in this case this value equals to 41 lions/800 km².

What is the population density?

The population density in a natural population can be obtained by dividing the number of individuals or organisms of a given species per unit of surface area in the ecosystem under study.

In this case, the studied area is 800 km² because it represents 20 percent (i.e. 20%) of an area that has 4000 km², while the number of lions in this area represents the population density and can be obtained as 41 lions/800 km2 >> 0.05125 lions per km².

Therefore, with this data, we can see that the population density is associated with the number of organisms of the same species in a given geographic area, which is generally referred to as the number of individuals per km².

Complete question:

The lion researchers in the film have studied 20% of the park and identified 41 lions. The entire Gorongosa Park is 4,000 km2. What is the density of lions (in lions/km2) in the portion of the park that has been studied?

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a toddler who has been hospitalized for vomiting due to gastroenteritis is sleeping and difficult to wake up. assessment reveals vital signs of a regular heart rate of 230 beats per minute, respiratory rate of 30 per minute, bp of 84/52, and capillary refill time of 3 seconds. which dysrhythmia does the nurse suspect in this child? Identify a criticism of differential association theory.O a. It has very little research support.O b. It does not explain impulsive crimes triggered by rage or fear.O c. It fails to observe children who grew up in an environment that taught deviance rather than conformity.O d. It ignores the possibility that people learn deviance through interaction.O e. It emphasizes that differential association occurs very quickly. if a firm imposes a capital constraint on investment projects, the appropriate decision criterion is to select the set of projects that has the highest positive net present value subject to the capital constraint. group of answer choices true false "Fear is the enemy for civilization; fear prevents construction and progress." Discuss the fragility of civilization against the destructive powers of fear. Consider the following conjecture.There are no prime numbers between 7,608 and 7,620How could this statement be shown to be true or false? Would it still be a conjecture if no counterexample were found? Explain Constant Speed Quick CheckConstant Speed Quick CheckVolunteers put together 40 school-supply kits in 8 minutes. At this rate, how many could they put together in 30 minutesSolve this problem using a unit rate. 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What is the density of an object that has a mass of 6.2 g and a volume of 4.4 mL ? 10. which of the following is the best description of special damages? a. damages which are calculated as the difference between the value of a contract and the value (if any) of the defendant's performance of the contract. b. quality of life damages in a contract case. c. easily calculated documented damages in a tort case. d. damages which are calculated based on financial losses that are caused by the defendant's breach of contract. Select the correct text in the passage.Which sentence best refines the central idea of the passage?(10) One critical factor in future rates of snow and ice melt is the role of dust, soot and pollution that settle on the frozen surfaces. Pristine white snow reflects more than 90% of incoming solar radiation back into the atmosphere. But when snow is blanketed by darker-colored particles of soot or dust, this coating absorbs more heat and the snow melts faster. Research has shown that the reason the Little Ice Age ended in Europe was the coating of soot deposited on the Alps by the Industrial Revolution. In Asia, the last 35 years have seen significant increases in the amount of soot settling on mountain snow.Whether these Asian ranges will react the same way the Alps did centuries ago is an important question.... write an essay about an experience u had when you were younger. 500 words (memory from childhood) How to solve completing the square with the formula a (X+h)2 + k a sample of john's blood shows a high level of pyrogens. this would indicate that john a) is feeling achy. b) is producing t lymphocytes. c) has a sore throat. d) is running a fever. e) has swollen lymph nodes. A writer wants to use some information from an original source for a research paper. The writer put the information indifferent words and sentence structures but did not cite the original source in the paper.This is a good example of ? 1/ direct quote with words omitted2/ plagiarism3/ paraphrase4/ direct quote Can you pls help me??? is 8.75x linear or non-linear you need to design an ipv6 addressing scheme for your network. the following are key requirements for your design: infrastructure hosts, such as routers and servers, are assigned static interface ids. however, workstations, notebooks, tablets, and phones are assigned interface ids dynamically. internet access must be available to all hosts through an isp. site-to-site wan connections are created using leased lines. which type of ipv6 addressing is most appropriate for hosts on this network?