why shouldnt you move the objective lense towards the stage when focusing

Answers

Answer 1
REMOVING THE SLIDE FROM UNDER HIGHER POWER OBJECTIVES MAY CAUSE THE SLIDE SURFACE TO HIT THE OBJECTIVE LENS SINCE THE LENS IN THESE OBJECTIVES WILL BE VERY CLOSE TO THE SLIDE. THIS COULD RESULT IN DAMAGE TO THE LENS. b. TO ACHIEVE THE HIGHEST POSSIBLE RESOLUTION WHEN VIEWING THROUGH THE HIGHEST POWER OBJECTIVES.

Related Questions

what is most likely the cause of this difference from the rest of the population

Answers

Answer:

Gene mutation is most likely the cause of this difference from the rest of the population. Log in for more information.

Explanation:

CAN I GET BRAINLIEST

people are not allow to enter the Wild reserves why​

Answers

Answer:

because it can be very dangerous depending on the animal

Explanation:

hope this helps

Answer:

Because in wild life reserve, endangered animals are protected. So, people are not allowed to enter the Wild reservers

Nearly all forests in ________ have been cut at least once during the past 300 years, so very little original (virgin) forest remains.

Answers

Answer:

In the United States.

Explanation:

It doesn't have very many original forests because people have been chopping them down and planting new ones.

Ciliated ependymal cells: A) help form the blood-brain barrier. B) circulate cerebrospinal fluid. C) form myelin in the brain and spinal cord. D) serve as wandering phagocytes during brain injury.

Answers

Ciliated ependymal cells: circulate cerebrospinal fluid.

Ependymal cells are a type of epithelial cell that is associated with the cavities of the body through which the cerebrospinal fluid circulates.

They are part of glial cells, which share space with neurons in the nervous system.

They create the membranes that keep cerebrospinal fluid circulating through the ependymal canal of the spinal cord and the cerebral ventricles.

For this, the ciliated structure that these cells present is essential for a correct movement of the cerebrospinal fluid, preventing it from spilling through other tissues and passing to areas of the body where it should not be.

The cilia move rhythmically creating tiny currents for fluid to flow through the central nervous system.

A small fraction of highly specialized and modified ependymal cells, called choroidal cells, are responsible for generating this essential fluid.

Therefore, we can conclude that ciliated ependymal cells circulate cerebrospinal fluid.

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Why is the muscular system needed for respiration to occur in the human body?

Answers

Answer:

Explanation:

the muscular system is needed for respiration to occur in the human body because the diaphragm is a muscle iteslf and the diaphragm inflates the lungs

what human activity contributes to air pollution brainly

Answers

Answer:

Burning fossil fuels is the most common

Answer: one edge I believe it is construction

Explanation:

the other choices are all positive and would limit air pollution not contribute to it

Your body's 2nd choice of food group to break down for energy?

Answers

Fat

When body doesn't get carbs it uses fat.

white rami carry _________ neurons, while gray rami carry _________ neurons.

Answers

Answer: myelinated preganglionic, unmyelinated postganglionic

Explanation:

Just took the test

how do ectotherms primarily control their body temperature?

Answers

Answer:

Ectotherms control their body temperature by relying on coverage of fur or feathers, which act as insulation. ... Brown fat has capillaries that transport heat throughout the body to warm it Brown fat cells have less cytoplasm, which prevents heat loss from the body.

5. It is the process of separating coconut pulp (sapal) from coconut milk.
A on stallization B. disollation C. filtration
D. flotation​

Answers

Answer:

the answer is c

Explanation:

filtration

How is humus formed?Explain.​

Answers

Answer:

Humus is formed when organic material (such as leaves, dead animals etc.) is degraded by a combination of fungi, bacteria, microbes and other animals (earthworms for example) that reside in the soil.

Explanation:

Answer:

Hey mate....

Explanation:

This is ur answer...

Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up. The thick brown or black substance that remains after most of the organic litter has decomposed is called humus.

Hope it helps!

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Which organism has lungs?
frog
insect
fish
jellyfish

Answers

Frog



Ignore this it making me doing this

What is not an example of DNA?

Answers

Answer:

AMOGUS

Explanation:

Anything other than DNA is not an example of DNA

what is the process of producing energy in living organisms ​

Answers

Answer:

cellular respiration

Explanation:

spermiogenesis begins with a ________ and ends with a ________.

Answers

Answer:

Answer:

germ cell and four gametes

Explanation:

Spermiogenesis begins with a  germ cell   and ends with    four gametes.

how does food web relate to food chain

Answers

A food chain outlines who eats whom. A food web is all of the food chains in an ecosystem. Each organism in an ecosystem occupies a specific trophic level or position in the food chain or web.

Explain why it is not accurate to call a virus that kills bacteria a “bacteria eater."

Answers

Answer:

When viruses attack cells, they release genetic material that is coded to multiply, then the cells divide and more viruses are spread, the viruses do not eat.

Explanation:

The brain changes which contribute to addiction occur in parts of the brain called the;.

Answers

Answer:

basal ganglia, the extended amygdala, and the prefrontal cortex

Explanation:

Describe how ions, water and sugar are obtained and transported
through plants. In your answer you should refer to materials moving upwards in a plant and to
materials moving downwards in a plant

Answers

Answer:

Explanation:

Water moves through the xylem in a stream called a transpiration stream, up to the leaves of the plant. Sugar is made during the process of photosynthesis. Unlike water and ions, it travels through the plant via the phloem, moving up and down through the plant.

The main goal of photosynthesis is to produce what?

Answers

Answer:

To spread carbon dioxide and oxygen.

Explanation:

Plants produce carbon dioxide and oxygen. This is called photosynthesis.

3) When two atoms bond chemically it is because of the interaction between

A) the nuclei of each atom.

B) the protons in each atoms.

C) all electrons in the atoms.

D) the valence electrons in each atom​

Answers

Answer:

C - All electrons in the atoms

Explanation:

It depends on the bonding for an explanation.

If one atom is a metal and one is a non metal it will be ionic. This is because one atom transfers its electron to the other atom giving them both a charge. They will then be bonded due to opposite forces of attraction.

If both atoms are non metals it will be covalent. Electrons pair together in the center of two atoms that have merged together and they share their electrons.

(Makes more sense with diagrams)

Hope this helps you!

Which of the following help to break down proteins?

Answers

Answer:

b. Pepsin and trysin

Explanation: is correct

B) pepsin and trysin

What molecules are required for the Calvin cycle? (3 answers)

Answers

Answer:After the energy from the sun is converted and packaged into ATP and NADPH, the cell has the fuel needed to build food in the form of carbohydrate molecules. The carbohydrate molecules made will have a backbone of carbon atoms. Where does the carbon come from? The carbon atoms used to build carbohydrate molecules comes from carbon dioxide, the gas that animals exhale with each breath. The Calvin cycle is the term used for the reactions of photosynthesis that use the energy stored by the light-dependent reactions to form glucose and other carbohydrate molecules.

Explanation:The Interworkings of the Calvin Cycle

In plants, carbon dioxide (CO2) enters the chloroplast through the stomata and diffuses into the stroma of the chloroplast—the site of the Calvin cycle reactions where sugar is synthesized. The reactions are named after the scientist who discovered them, and reference the fact that the reactions function as a cycle. Others call it the Calvin-Benson cycle to include the name of another scientist involved in its discovery (Figure 5.14).

This illustration shows that ATP and NADPH produced in the light reactions are used in the Calvin cycle to make sugar.

Answer:

CO2, ATP, and NADPH

Can a brotha get a brainliest? :)

What organism belongs to the Prokaryotic domain of life and it comes in three different
shapes, such as cocci, rod, and spiral?

Answers

Answer:

eubacteria

Explanation:

I took the quiz :)

The organisms that belong to the Prokaryotic domain of life and it comes in three different shapes, such as cocci, rods, and spirals are known as Eubacteria.

What do you mean by the Prokaryotic domain?

The prokaryotic domain may be characterized as the kingdom of Prokaryotes is significantly made up of two domains namely, Archaea and Bacteria. These eubacteria are classified under the domain of bacteria which is represented by the relation based on the DNA experimental approach.

According to the context of this question, there are mainly three types of eubacteria commonly found. They are round (coccus), rod-like (bacillus), comma-shaped (vibrio), or spiral. All these types of different body plans, structures, and functions with respect to their morphology.

Therefore, eubacterium is a type of organism that belongs to the Prokaryotic domain of life and it comes in three different shapes, such as cocci, rod, and spiral.

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I really need help this is carbon cycle help me label it

Answers

Answer:

1.) Photosynthesis

2.) Respiration by plants

3.) Feeding

4.) Death and waste

5.) Respiration by animals

6.) Decomposition

7.) No Decomposition

8.) Combustion

Hope this helps!

Besides DNA, this is also duplicated during interphase.

Answers

Answer:

RNA!

Explanation:

it also goes through interphase

In the modern system of biological classification ______ and ______ are used for the scientific name of organisms.

Answers

Answer:

species ,epithet

Explanation:

because

In the modern system of biological classification the genus and species names are used for the scientific name of organisms.

What is system of biological classification?

The modern system of biological classification is the classification that involves the naming and arrangement of organisms in groups according to a hierarchical order.

In this type of classification, organisms are given scientific names based on their genus and the species.

This pattern of double naming is called binomial nomenclature consisting of two names.

Therefore, in the modern system of biological classification the genus and species names are used for the scientific name of organisms.

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evaluate the statements below and determine which is the best reason that bacterial cells use operons and polycistronic rna.

Answers

Given what we know about bacterial cells and their genetic mechanisms we can confirm that they use operons and polycistronic RNA for efficiency.

Bacterial cells are vastly different from human or animal cells. Some of these differences include:

Lack of compact DNALack of organelle surrounded by plasmatic membranesThey have cell wallsMay possess flagella

and many others.

Among these differences is the way in which they encode for the proteins the bacteria will produce. Unlike human cells, bacteria use polycistronic RNA. Where a human strand of mRNA will carry the genetic message to create one protein, the polycistronic mRNA of a bacterial cell will provide the information necessary to create multiple distinct proteins.

Bacteria use this in conjunction with operons, to create very efficient protein manufacturing processes. Operons are sections of DNA in which proteins with similar functions are grouped together in order to make it easier to create the polycistronic mRNA strands.

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Which processes contribute to the formation of chemical sedimentary rocks?

Organisms decay in a solution.
Minerals dissolve and crystalize.
Rock fragments squeeze together.
The remains of plants and animals

Answers

Explanation:

Rock fragments squeeze together

Chlorophyll appears green because it…?

Answers

Answer:

Chlorophyll gives plants their green color because it does not absorb the green wavelengths of white light. That particular light wavelength is reflected from the plant, so it appears green. Plants that use photosynthesis to make their own food are called autotrophs.

Answer:

A. absorbs green light

B. reflects green light

C. emits green light

ANSWER: B. reflects green light

Explanation:

our eyes can only see what objects reflect, so if it's appearing green then obviously it's reflecting the green light.

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