name three limitations to using an electron microscope to view an organism

Answers

Answer 1

you can't see the colour of organisms

you don't have the ability to analize living organisms

artefacts can be easily produced


Related Questions

Which one is NOT a secondary consumer
A.
herbivore
B.
lion
C.
carnivore
D.
ominvore

Answers

Answer:

a. herbivore i think

Explanation:

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Answer:a

Explanation:

In the carbon cycle, what form of carbon do producers take in from the atmosphere to perform photosynthesis?
OA. carbohydrates
OB. CO2
O c. protein
OD.
solid carbon
O E.
water

Answers

Answer:CO2

Explanation:

Which organelle is the site where energy is made in an animal cell?
A. Golgi bodies
B. Nucleus
C. Endoplasmic Reticulum
D. Mitochondria

Answers

Answer:

D

Explanation:

Answer:

D

Explanation:

The Mitochondria is the power house of a cell

What explanation provides support for continental drift theory

Answers

Answer:

All the continents seem to fit together like a puzzle.

Explanation:

Hope this helps!

Answer:

D

Explanation:

I think sorry if im wrong

Maria visited the mountains in Wyoming and became interested in the different ways that mountains and valleys form. How do mountains and valleys develop from a series of normal faults?

A. A footwall slips down to form a valley at a converging plate boundary. Rock on either side of the valley becomes the mountains.
B. Walls of rock grind past each other in opposite directions. This pushes one side up above the other to form the mountains.
C. Compression causes rock to fold and bend, but not break, in the middle of a plate. The rock that folds upward becomes a series of mountains.
D. A hanging wall slips down at a diverging plate boundary. The slab of crust that falls forms a valley, and the slabs on each side form mountains.

Answers

Answer:

A

Explanation:

Mountains are usually formed at what are called convergent plate boundaries, meaning a boundary at which two plates are moving towards one another.

1 point
A man with type A blood marries a woman with type AB blood. Based on
what you know about blood types, what is the only blood type not possible
in any of their children? (remember, the 4 types are A, B, AB, and O)*
A
B
AB
0

Answers

They can't have a child with blood type O(I) because one of the parents has blood group AB(IV)

5 foods that can be processed using cold pack method

Answers

1. Ex. Apple sauce, peaches, pears, apple pie filling -20min
2. Ex. Tomato juice, grape juice-20 min
3.ex. Corn, peas, green beans, pumpkins, potatoes, vegetable soup- 3 hours
4. All meat needs to be processed for 3 hours

When does puberty occur? What causes the changes that occur during puberty?

Answers

Answer:

Explanation:

At the age of 10 or 11 and above because you are growing body developing

Answer:

Puberty can occur at many ages but usually around 10+

Explanation:

Which of the following predictions is most likely consequence of the mutation?

Answers

Answer:

Explanation:

where are the following

Often in laboratory experiments you will want to amplify regions of the genome from several different preparations of gDNA. To do this, a mastermix will be created with all the common reagents to ensure easier pipetting, proper mixing, and controlling for variations in pipetting. Create a mastermix for running 8 identical reactions, including one negative control, each with different gDNA templates (7 total gDNA templates).

Answers

Answer:

Mastermix in PCR helps in providing faster and easier setup with pipetting, proper mixing, reduction in contamination and controlling fir variation in pipeting or tube to tube variability. Contents of PCR master mix for the desired reaction are as follows:

dNTPsPrimersthermostable DNA polymerasecofactor (MgCl2)Template DNA (for 7 samples)PCR-grade water

The only difference in negative control for the PCR master mix is template or the different primer rest the components are the same in the master mix.

PLEASE HELP ILL GIVE BRAINLIEST

Answers

Answer:

Glucose

Explanation:

Glucose is organic because it contains carbon. Glucose is C6 H12 O6

A mutation in a polypeptide with the original amino acid sequence of: Met-Ala-Gln-Arg-Glu-Leu results in a mutant with the sequence: Met-Ala-Gln-Gly-Glu-Leu. Which describes the most likely type of mutation that has occurred?

Answers

Answer:

This question lacks options, however, it can be answered based on general understanding of the topic

The answer is SUBSTITUTION MUTATION

Explanation:

A mutation is any change that occurs in the nucleotide sequence of a gene. Mutation can be of different types depending on how it occurs. One type of mutation is SUBSTITUTION MUTATION, which is a mutation in which one or more nucleotide base is replaced by another in the sequence.

Nucleotide bases are read in a group of three called CODON. Each of these codons specify amino acid. Hence, if the nucleotide base sequence is altered during mutation, the amino acid sequence is altered likewise. In this case where the original amino acid sequence is: Met-Ala-Gln-Arg-Glu-Leu, the mutation affected the nucleotide bases coding for Arginine (Arg), hence changing it to Glycine (Gly).

This means that a base substitution mutation occured, replacing the amino acid Arginine with Glycine in the mutated sequence.

Which of the following engulfs pathogens or an invading virus or bacteria
-t cell
-b cell
-macrophage
-red blood cell

Answers

Answer:

Macrophage

Explanation:

They do this through a process called phagocytosis

The following engulfs pathogens or an invading virus or bacteria - macrophage.

Macrophagea type of white blood cell of the immune systemengulfs and digests pathogens, an invading virus or bacteriait recognizes anything that does not have, on its surface, proteins that are specific to healthy body cells.surrounds and kills microorganisms, removes dead cells, and stimulates the action of other immune system cells.

Thus, The following engulfs pathogens or an invading virus or bacteria - macrophage.

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Which organisms replicate cells by mitosis?

Answers

Answer:

All organisms, both prokaryotes and eukaryotes, can replicate cells by mitosis.

Explanation:

Mitosis is the process of cell division where, from a progenitor cell, two identical daughter cells are obtained. In the human being this process is carried out by somatic cells.

Cell division by mitosis is carried out by all living beings:

Prokaryotic organisms, unicellular, use it as a means to reproduce. Eukaryotic organisms, most of them pluricellular, use it in the processes of growth, development, repair and regeneration of tissues.

All living beings can perform mitosis as a process of cell replication, although with different objectives.

17. Which organelle is not correctly matched with its function?
a. Cytoplasm-jellylike substance that supports the other organelles
b. Mitochondria- creates energy for the cell without the sun
c. Chloroplast- uses the sun's energy to create food
d. Cell wall- controls what comes in and out of the cell

Answers

The answer that is incorrect is most likely cell wall. cell membrane is what controls what comes in and out of a cell. A cell wall just supports the cell and keeps its shape.

Magnetic fields are areas where an object exhibits a magnetic influence. The fields affect neighboring objects along things called magnetic fields lines. A magnetic object can attract or push away magnetic object. Can you identify the images that represent magnetic fields? Check each image that is correct.

Answers

Answer:There is no image but I hope this helps We like to represent this force effect of a magnet on iron-like objects with a concept called magnetic field. The concept of field can be best understood if we remember the gravitational force of Earth on object near it. ... represent this gravitational force effect with lines starting from Earth and radially diverging away to infinity.

Explanation:

sorry if this does not help.

The movement of water from an area of high concentration to an
area of low concentration is called ......
The movement of
other molecules such as smoke or oxygen from an area of high concentration to an area of low concentration is called....

Answers

Answer:

1. Osmosis

2. Diffusion

Explanation:

The movement of water from an area of high concentration to an area of low concentration is called osmosis.

The movement of other molecules such as smoke or oxygen from an area of high concentration to an area of low concentration is called diffusion.

The movement of water from an area of high concentration to an area of low concentration is called osmosis.

Osmosis is a passive process that moves water molecules across a membrane that is semipermeable to solutes and other substances but impermeable to water molecules. The gradient in solute concentration determines the direction of flow, with water moving from areas of low solute concentration (hypotonic) to areas of high solute concentration (hypertonic) until equilibrium is achieved.

Osmosis is a fundamental process for preserving water balance in living things and is essential for many biological functions, such as cellular activity and water uptake by plants.

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Assume it takes Venezuela 3 hours to produce a batch of apples and 7.5 hours to produce a batch of pumpkins, and it takes the United States 3 hours to produce a batch of apples and 8.5 hours to produce a batch of pumpkins. Which nation has an absolute advantage in producing pumpkins?

Answers

The nation with an absolute advantage in the production of pumpkins would be Venezuela.

In economics, absolute advantage refers to the ability of an entity to produce a good or service at a lower cost/time per unit given the same resources as another entity.

In other words, given the same quantity of input and time, an individual, a company, or a nation that produces greater output over the other has an absolute advantage at producing such an output.

Hence, if it takes Venezuela 7.5 hours to produce the same batch of pumpkins that the United States produces in 8.5 hours, then, Venezuela has an absolute advantage in producing pumpkins over the United States.

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At this stage, the body is dry and mostly bones, cartilage, and dry Skin With oy
beetles present.
O1) Decay/Black Putrefaction
O2) Bloat/Putrefaction
O3) Post-Decay/Butyric Fermentation
O4) Dry/ Skeletal

Answers

Answer:

i m not sure but the answer may be dry /skeletol

Describe how plants play a role in the cycling of matter through photosynthesis.

Answers

Photosynthesis has a role in the cycling of matter and flow of energy into and out of organisms. The flow of energy and cycling of matter can be traced. The chemical reaction by which plants produce complex food molecules (sugars) requires an energy input (i.e., from sunlight) to occur hope this helps :)

What is the reason for the increased number of drug resistant bacteria being found in hospitals?

Answers

Answer: This rise is related to their natural resistance to most commonly used antibiotics and their capacity to acquire resistance to other antibiotics either by mutation (penicillins) or by transfer of resistance genes on plasmids and transposons (aminoglycosides and glycopeptides).

Explanation:

Max has a group of goldfish in his tank at home. He notices that they are struggling a bit. Max wants to increase their rate of cellular respiration because he thinks that it would help them to survive. Which of the following actions would potentially increase the rate of cellular respiration in the goldfish?
A. reducing the amount of food placed in the tank
B. increasing the amount of carbon dioxide in the tank
C. increasing the amount of oxygen in the tank
D. reducing the amount of sunlight that hits the tank

Answers

Answer:

C. Increasing the amount of oxygen in the tank

Explanation:

If the fish are struggling or we see that they are going near the surface to breathe, that could indicate that there is not enough oxygen for the fish to breathe easily at all depths of the aquarium tank. By increasing the amount of oxygen present inside the tank we will assure that the fish have enough oxygen to live well. Not too much since too much oxygen can be bad for the fish.

Which of the steps below is NOT important for wellness?
A. focusing on quality of life
B.keeling all aspects of life at all times
C. creating balance
D.keeping all aspects of ife the same at all times
taking personal responsibility


PLSSSSS HURRY

Answers

Answer:

Possibly B? I'm not sure. Sorry if incorrect.

The pointed or elongated stains that radiate out from the central area of a bloodstain
are called
O1) satellite spatters
O 2) spines
O3) strings
O4) sprays

Answers

Answer:

answerbis 2) spines

hopes this help u

Answer:

it would be called spines or blood tails.

Natural Bridge Cavern was formed by water that seeped into the soft limestone in central Texas. What is this process called?
Mechanical weathering

Chemical weathering

Deposition

Erosion

Answers

Answer:

Chemical weathering

Explanation:

Chemical weathering is the process when rain chemicals react with rocks and minerals. In this process, the rocks are weakened. This chemical happening provokes the chemical reaction in the rock or in the mineral.

Chemical weathering is a spontaneous process and it leads to a more stable state for natural materials under a given set of conditions.

Which two factors are used to calculate the kinetic energy of an object?
gravity and velocity
O velocity and mass
O mass and volume
O volume and height

Answers

Answer:

velocity and mass are the two factors.

Velocity and mass are two factors that are used to calculate the kinetic energy of an object. Therefore, option B is correct.

What are kinetic energy and its types?

The energy an object has as a result of motion is known as kinetic energy. A force must be applied to an object in order to accelerate it. We must put in effort in order to apply force. After the work is finished, energy is transferred to the object, which then moves at a new, constant speed.

There are three types of kinetic energy and that is translational, rotational, and vibrational kinetic energy.

Kinetic energy depends on the velocity and mass of the object. Thus, velocity and mass are two factors that are used to calculate the kinetic energy of an object. Therefore, option B is correct.

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People find that when they seek treatment for disorders:
A. they often feel much better.
O B. they feel worse than before treatment.
OC. there isn't much hope.
O D. all people are given medication.

Answers

A!!!

Explanation:

getting better

The risk of chronic diseases linked to stress, anxiety, and substance addiction is also decreased by mental health services. Most importantly, mental health treatments improve the perspective for people who might feel lost and hopeless, while also saving lives. Thus, option A is correct.

What is to seek treatment for disorders?

All forms of medical care are included, unless specifically stated differently (below). Using prescription drugs or a non-prescription drug that has been diluted to a prescription level.

The diagnostic procedure serves as both a prelude to and a form of treatment in and of itself. Problems with behavior and physical health can both be helped by diagnosis when it is used as a therapeutic tool.

Therefore, people find that when they seek treatment for disorders. They often feel much better.

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True or false: any answers ?

Answers

Answer:

number 11 true answer

.......

How many genders are there?​

Answers

Answer:

2 only

Explanation:

Answer:

there are 2 genders: the male and female


Horses with genotype (BB) have a brown coat, horses with genotype (bb) have a white coat,
and horses with genotype (Bb) have a tan colat. Based on the information provided, the
alleles controlling coat color in horses show:

Answers

Answer: Incomplete dominance

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