What is the similarity between accuracy and Precision

Answers

Answer 1

Answer:

Accuracy is being able to hit close to or right around the designated area, precision is being able to hit it dead on


Related Questions

Kathy was making liquid growth medium for plants. The pH of the original solution was 8. The optimal pH for plant growth is 6. What was the best compound to add to make it pH

Answers

If referring to the question: Kathy was making liquid growth medium for plants. The pH of the original solution was 8. The optimal pH for plant growth is 6. What was the best compound to add to make it pH=6?

A) KOH

B) HCL

C) Water

D) No answer provided

Then the correct answer would be option B, to add HCL, known as Hydrochloric acid to lower the pH to 6.

In science, pH is a scale used to measure the acidity of a solution or its basicity. The scale ranges from 0 to 14. A pH of 7 would mean that the given solution is neutral, lower than 7 equates to an acidic solution, while anything above 7 becomes increasingly basic.

Option A is to add KOH, or potassium hydroxide to the original solution whose starting pH is 8. KOH is a solution whose pH is above 8,  a strong base, and is often used to increase the pH of a solution. In the question it states what the desired pH is 6, therefore we want to lower, not increase the pH. This makes option A incorrect.

Water is a neutral solution. Even though it is neutral, it is not used to neutralize basic or acidic solutions. Acid or bases may be added to water to create very diluted solutions that are nearly neutral despite containing a strong base or acid, but this is a different process than neutralization and will not give the desired pH. Option C is also wrong.

Option B is correct because HCL, known as hydrochloric acid is a strong acid, commonly used to lower the pH of a solution by increasing the concentration of hydrogen ions. Since we start with a pH of 8 and wish to achieve a pH of 6, HCL is the correct component to add to the solution. Due to option B being correct, option D that states that no answer is provided, is incorrect.

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Which of the following is the best example of potential energy?

A bird making a nest
B car stopped at the top of a hill
C gymnast doing a cartwheel
D swimmer doing the backstroke

Answers

Answer:

A car stopped at the top of a hill is the answer

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Explanation:

Which of the following represents ways nitrogen can enter the soil?

I. Photosynthesis
II. Sunlight
III. Rainfall

III only
I and II
I and III
I, II, and III

Answers

the answer is I and III

The correct process that represents ways nitrogen can enter the soil is III only which is rainfall.

Atmospheric nitrogen can not be used by most organisms due to fact that the three covalent bonds present in atmospheric nitrogen are very hard to break.

Nitrogen fixation takes place either:

By the microbes and produce ammonia by biological nitrogen fixation. or, Rainstorms, natural lighting, rainfall contribute to atmospheric nitrogen into nitrates through raindrops that reach the soil.Nitrates are the most bio-available form of nitrogen.

Thus, the correct answer is - III only which is rainfall.

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The endosymbiotic theory hypothesizes that mitochondria formed from prokaryotic cells. What evidence supports the hypothesis?

They are autotrophic and have parasitic relationships.
They have linear DNA similar to bacteria.
They have chromosomes and ribosomes that are similar to prokaryotes.
They have flagella similar to prokaryotes.

Answers

The evidence that supports the endosymbiotic theory is mitochondria have chromosomes and ribosomes that are similar to prokaryotes.

Some lines of evidence that supports the endosymbiotic theory include:

Mitochondria are organelles that have their own DNA known as mitochondrial DNA (mtDNA).

Mitochondria have their own ribosomes which are capable of synthesizing their own proteins.

Mitochondrial ribosomes are more closely (evolutionary) related to bacterial ribosomes rather than eucaryotic ribosomes.

Mitochondria also have their own cell membranes.

In conclusion, the evidence that supports the endosymbiotic theory is mitochondria have chromosomes and ribosomes that are similar to prokaryotes.

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HELP ME WITH THIS!!!

Answers

Answer:

As the temperature increases, more and more sugar can be dissolved, but only slightly more salt can be dissolved. How much sugar dissolves in 100 mL of water at 50 °C? About 260 g of sugar will dissolve.

If oxygen were to participate in an ionic bond, would it want to give or
take electrons? How many?

Answers

The oxygen would receive electrons.

It is possible to know if an atom would receive or donate electrons through its valence layer. This because:

The valence layer shows how many electrons each atom has in the last layer of the electronic distribution.An atom must have eight electrons in that layer to become stable.If an atom has less than eight electrons in the valence layer it must receive electrons to become stable.If the atom has more than eight electrons in the valence layer, it will need to donate electrons to become stable.

Oxygen has six electrons in the valence layer, which allows us to conclude that it needs to receive two electrons to become stable and not donate any electrons.

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Which cell did shyam observed under the microscope *

Prokaryotic cell
Animal Cell
Plant cell
Egg cell

Answers

Answer:

Plant cell

Explanation:

Onion, so ofc plant cell

what is photosynthesis ???​

Answers

Answer:

plants feed themselves by manufacturing food by absorbing light as energy

Answer:

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of suga

Animal cells have which of the following characteristics? Select all that apply.

cleavage furrows
chloroplasts
no cell wall
cell plates and no centrioles in cell division
no large vacuole, only small ones

Answers

Answer:

Animal Cell Structure

Animal cells are typical of the eukaryotic cell, enclosed by a plasma membrane and containing a membrane-bound nucleus and organelles. Unlike the eukaryotic cells of plants and fungi, animal cells do not have a cell wall. This feature was lost in the distant past by the single-celled organisms that gave rise to the kingdom Animalia. Most cells, both animal and plant, range in size between 1 and 100 micrometers and are thus visible only with the aid of a microscope.

Anatomy of the Animal Cell

The lack of a rigid cell wall allowed animals to develop a greater diversity of cell types, tissues, and organs. Specialized cells that formed nerves and muscles—tissues impossible for plants to evolve—gave these organisms mobility. The ability to move about by the use of specialized muscle tissues is a hallmark of the animal world, though a few animals, primarily sponges, do not possess differentiated tissues. Notably, protozoans locomote, but it is only via nonmuscular means, in effect, using cilia, flagella, and pseudopodia.

The animal kingdom is unique among eukaryotic organisms because most animal tissues are bound together in an extracellular matrix by a triple helix of protein known as collagen. Plant and fungal cells are bound together in tissues or aggregations by other molecules, such as pectin. The fact that no other organisms utilize collagen in this manner is one of the indications that all animals arose from a common unicellular ancestor. Bones, shells, spicules, and other hardened structures are formed when the collagen-containing extracellular matrix between animal cells becomes calcified.

Animals are a large and incredibly diverse group of organisms. Making up about three-quarters of the species on Earth, they run the gamut from corals and jellyfish to ants, whales, elephants, and, of course, humans. Being mobile has given animals, which are capable of sensing and responding to their environment, the flexibility to adopt many different modes of feeding, defense, and reproduction. Unlike plants, however, animals are unable to manufacture their own food, and therefore, are always directly or indirectly dependent on plant life.

Most animal cells are diploid, meaning that their chromosomes exist in homologous pairs. Different chromosomal ploidies are also, however, known to occasionally occur. The proliferation of animal cells occurs in a variety of ways. In instances of sexual reproduction, the cellular process of meiosis is first necessary so that haploid daughter cells, or gametes, can be produced. Two haploid cells then fuse to form a diploid zygote, which develops into a new organism as its cells divide and multiply.

The earliest fossil evidence of animals dates from the Vendian Period (650 to 544 million years ago), with coelenterate-type creatures that left traces of their soft bodies in shallow-water sediments. The first mass extinction ended that period, but during the Cambrian Period which followed, an explosion of new forms began the evolutionary radiation that produced most of the major groups, or phyla, known today. Vertebrates (animals with backbones) are not known to have occurred until the early Ordovician Period (505 to 438 million years ago).

Fluorescence Microscopy of Cells in Culture

Cells were discovered in 1665 by British scientist Robert Hooke who first observed them in his crude (by today's standards) seventeenth century optical microscope. In fact, Hooke coined the term "cell", in a biological context, when he described the microscopic structure of cork like a tiny, bare room or monk's cell. Illustrated in Figure 2 are a pair of fibroblast deer skin cells that have been labeled with fluorescent probes and photographed in the microscope to reveal their internal structure. The nuclei are stained with a red probe, while the Golgi apparatus and microfilament actin network are stained green and blue, respectively. The microscope has been a fundamental tool in the field of cell biology and is often used to observe living cells in culture. Use the links below to obtain more detailed information about the various components that are found in animal cells.

Explainhow carbon moves thoughout an ecosystem.

Answers

Answer:

Hi, Friend!

Carbon moves through Earth’s ecosystems in a cycle referred to as the carbon cycle. It is through carbon dioxide gas found in Earth’s atmosphere that carbon enters the living parts of an ecosystem.

Explanation:

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Also Good Morning :D

Which of the following DNA mutations is likely to have the most negative effect on the protein it specifies?

A.) A codon deletion at the end of a sequence

B.) A base pair deletion, resulting in a different amino acid

C.) A substitution for one serine codon for a different serine codon

D.) A substitution for one stop codon for another stop codon

Answers

Answer:

B.) A base pair deletion, resulting in a different amino acid

Explanation:

A base-pair deletion mutation is likely to have the MOST NEGATIVE effect on the protein it specifies (Option B).

A mutation is any alteration in the nucleotide sequence (DNA) of an organism.

A base-pair deletion will change the Open reading frame (ORF) of the protein that is synthesized from a given gene sequence, thereby changing all aminoacids downstream the mutation.

In consequence, a base-pair deletion can significantly alter the protein that will be synthesized from a given gene.

Moreover, a substitution for a one-stop signal for another stop codon is neutral because it doesn't affect the resulting protein.

In conclusion, a base-pair deletion mutation is likely to have the MOST NEGATIVE effect on the protein it specifies (Option B).

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What are 3 fun facts about Brazil in your own words? Answer ASAP

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Answer:

1. Brazil has the largest number of species in the world because it is home to 6% of them.

2. Brazil offers one-third of South America's biodiversity, which is believed to contain 40% of the planet's living plants and animals totalling 45 million different variants per square kilometer.

3.The Amazon rainforest hosts an astonishing 10% of all plant and animal life on Earth!  

4. Brazilian Portuguese, a Romance language and one of the two official languages in Brazil (the other being English), was originally based on Old Portuguese, like Spanish or Galician; today it has a larger proportion of French than Spanish does.......

Explanation:

Hope you enjoy these facts about Brazil!

Which of the following statements is true about chemical elements in an ecosystem?
View Available Hint(s)
O They exit the ecosystem in the form of heat.
O They recycle within the ecosystem, being constantly reused.
O They flow through the system, losing some heat in the process.
o They depend on sunlight as their source.
O They cannot be obtained from decomposition.

Answers

They are recycle within the ecosystem being constantly reused ( B ) is the true statement

The energy from the sun is use in the formation of nutrients in plants that is consumed by the primary consumers ( Herbivores ) in the ecosystem, while the primary consumers will be consumed by the secondary consumers ( carnivores ). these waste product from the secondary consumers is decomposed by the tertiary consumers ( Fungi and bacteria ) to be reused by the Plants again.

Hence we can conclude that the true statement about the chemical elements in the eco system is that they recycle within the ecosystem being constantly reused.

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PLEASE COMMENT THE ANSWER MY BRAINLY IS ACTING UP AND WONT LOAD THE VIDS In the 1950s, biologists started creating varieties of food crops that increased yields. At around the same time, chemists were creating new pesticides and fertilizers to protect and enhance the growth of crops. This combination led to growing larger amounts of food on less land and has been called the green revolution. One of the main effects of this has been a reduction in the cost of food products. Select the statement(s) that describe science impacts.
A. influenced politics because the relative cost of food products went down.
B. influenced economics because the relative cost of food products went down.
C. was influenced by economics because the relative cost of food products went down.

Answers

Answer:

C

Explanation:

Describe how oxygen is obtained by the Flatworms.

Answers

flatworm get most of their oxygen through diffusion.

observation between crumbled paper and flat paper

Answers

Answer:

One have kinks and fold everywhere while one has none it is perfectly flat.

Explanation:

you can ever get one back like the orignal (like the flat paper)

The amino acid serine is coded by the mRNA codon AGU. What is the base sequence of the DNA gene that originally produced this mRNA codon?

TCA
TCC
AGU
UCA

Answers

A, TCA. Using the corresponding bases working backwards, A becomes T, G becomes C and U becomes A. Hope this helps

A codon is a triplet of nucleotides synthesized from the complementary DNA strand. The base sequence of the DNA gene that originally produced the AGU mRNA codon is TCA.

During transcription, a fragment of DNA (e.g., a gene) is used as a template to synthesize a complementary RNA sequence, usually a messenger RNA (mRNA) sequence.

Subsequently, this mRNA sequence is then used as a template to create a polypeptide chain by a process known as translation.

According to the base pair rules, Adenine pairs with Thymine, whereas Guanine pairs with Cytosine.

In RNA, Thymine bases are replaced by Uracil bases.

In conclusion, the base sequence of the DNA gene that originally produced the AGU mRNA codon is TCA.

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The cause of a change in an organism environment that affects the activity of an organism

Answers

Answer:

Ecological Niche. The functional role of an organism or a species in the ecosystem, including its relationships with other species. ecology. The study of the distribution, abundance, and interrelationships of organisms and their interactions with the environment. Ecosystem

Explanation:

Your lab team mixes dry baker’s yeast with warm water and divides the mixture between two test tubes. You add 5 grams of sugar to one test tube but nothing to the other tube. A small balloon is placed over the mouth of each test tube. After 30 minutes your team records the following observations.

Yeast and warm water: The water is cloudy after a minute. After 30 minutes the yeast is settled to bottom of tube, water is less cloudy.

Yeast, warm water and sugar: The water is cloudy, a few bubbles have formed on top of the water. After 30 minutes the water is cloudy, lots of bubbles in the test tube, balloon has inflated some.

What is the BEST inference you could make about the yeast based on the data?
(4 Points)

The yeast needs warm water to grow.

The yeast bubbles when it contacts sugar.

Yeast is a living organism that uses sugar for energy.

Yeast is not a living organism because it did not change when added to water.

Answers

Answer:

The yeasts are the eukaryotic, microscopic, unicellular organisms belonging to the kingdom fungi. Yeasts are widely used to prepare beer and wine. Yeasts break down the glucose and release ethanol and carbon dioxide. The best interference is yeasts bubbles when it contacts with sugar.

Explanation:

Yeasts are organisms, which can respire aerobically or anaerobically. During the experiment, when yeasts are placed in a test tube with sugar, it starts to grow. The warm water in the test tube ensures the rapid growth of yeast. Sugar is the source of energy that is required by the yeasts to grow. Thus, during the multiplication of the yeast, they utilize oxygen and food to yield carbon dioxide. The gas is evolved and can be tested by the inflated balloon placed over the test tube. The yeasts bubbles out when it comes in contact with the sugar. Thus, to perform any experiment on living organisms, the population of those organisms should be in large quantity. this can be achieved by providing the sources of energy.

What process do autotrophs undergo to create
their own food?

A. cellular respiration
B. photosynthesis

Answers

Photosynthesis is the process which autotrophs undergo to create their own food

This study stresses the importance of lifestyle adaptations in primary as well as secondary prevention of non-communicable diseases. Which of the following are modifiable lifestyle behaviors that could impact health?
A. Reducing sodium Intake to 2400 miligrams per day
B. Uimiting intoke of monunsaturated fats.
C. Obtaining a minimum of 150 minutes of vigorous exercise daily
D. Aiming to eat at least 5 servings of fruits and vegetablos daily

Answers

The modifiable lifestyle that could have a more positive impact on health in the prevention of non-communicable diseases are:

A. Reducing sodium Intake to 2400 miligrams per day  

B. Limiting intake of monunsaturated fats.  

D. Aiming to eat at least 5 servings of fruits and vegetablos daily

Noncommunicable diseases are highly preventable and are mostly triggered by inadequate diet, sedentary lifestyle, consumption of high-calorie beverages, foods of low nutritional value, and high intake of tobacco and alcohol.

A. Reducing sodium Intake to 2400 miligrams per day  

Consuming excess sodium can affect from the fluid balance to our metabolism and thus, lead to different diseases.

It can trigger arterial hypertension and associated cardiovascular problems due to its vasoconstrictive effect and on fluid retention.

The World Health Organization recommends not exceeding 2 grams of sodium per day or, what is the same, limiting the consumption of salt to a maximum of 5 grams daily.

B. Limiting intake of monunsaturated fats.  

Among the many benefits of Monounsaturated fats we find:

1) Decreased cardiovascular risk

2) Improved insulin sensitivity

3) Reduction of inflammation

D. Aiming to eat at least 5 servings of fruits and vegetables daily

Consuming, on a regular basis, at least 5 servings of fruits and vegetables a day, constitutes one of the bases of healthy eating, providing the body with all kinds of valuable nutrients for the fulfillment of different processes.

Their consumption helps prevent various diseases as they are high in fiber, vitamins, minerals, water and antioxidant substances, do not contain cholesterol and provide few calories.

On the other hand, World Health Organization offers guidance on the intensity of the types of activities and exercises.

Adults should spend a minimum of 150 minutes a week engaging in moderate physical activities this stimulates the immune system.

Therefore, we can conclude that modifiable lifestyle have a direct impact on people's health in the prevention of non-communicable diseases and quality of life.

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Which person would more likely be a candidate for a surgery? Middle ear damage or inner ear damage?

Answers

Explanation:

candidate 4 inner ear surgery = inner ear

because inner ear is what helps you hear sound, more so than outer ear.

outer ear= ( like a speaker to capture sound).

inner ear = complex structures & bones to help process sound to brain...

depending on circumstances, drs may let each structure heal b4 next surgery, takes 6 wks

or more 2 heal if all goes as planned.

shud take a year 2 complete healing. meaning ; drainage tubes have 2 b inserted for drainage of infectious substances.

start with inner 1st then outward. protecting inner structures..

The continuous processes that cause rocks to change from one type to another is known as the ______.

Answers

Answer:

The three processes that change one rock to another are crystallization, metamorphism, and erosion and sedimentation. Any rock can transform into any other rock by passing through one or more of these processes. This creates the rock cycle.

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The continuous processes that cause rocks to change from one type to

another is referred to as rock cycle.

Rock cycle explains the different processes which occurs in the change of

rocks from one form to another. Rock cycle involves processes such as

erosion, sedimentation, metamorphism etc.

The different types of rocks such as igneous,sedimentary and metamorphic

change to different forms and types through the processes that occurs in the

rock cycle.

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How are energy and information used to keep an organism's body organized?

Answers

How are energy in information used to

keep an organisms body organized

Energy is required for the cells to carry

out their metabolic functions. Moreover,

information (genetic information) is also

fundamental to synthesize and regulate

biomolecules required for the cells to

carry out their functions.

All cells need energy to carry out

their metabolic functions. i.e., to

live, grow, and reproduce.

(hope this helps)

Each distinct form of life or type or organism is called a

Answers

Answer: Archaebacteria

Explanation:

Each distinct form of life or type or organism is called a species.

What are species?

The biological species are defined as a group of living organisms having similar habits as well as individuals able to exchange genes or interbreeding.

The species are divided on the principle of nature as well as taxonomic unit,starting from taxonomic unit , and ranking below genus. Species are represented by a Latin binomial, e.g. Homo sapiens, Magnifera Indica etc.

A group of living things, plants, or animals sharing common character and appearance comes in the category of a particular species and there are species such as Felis catus, Gallus gallus, Pan troglodytes, Vicugna pacos etc.

Therefore,each distinct form of life or type or organism is called a species.

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Define the roles of observations and hypothesis in science

Answers

The roles of observations and hypothesis in science are:

observation: experiencing the nature or world working by senses.Hypothesis- a tentative guess about how the world works based on observation

Observation and hypothesis are the steps of the scientific method used to test and acquire knowledge.

Observation is observing or experiencing the world working by eyes and check what changes occurred.Hypothesis on other hand is a suggestive explanation that is based on previous experiments or knowledge or observational results so it can be tested by experimentation.

Thus, the correct answer is -

observation: experiencing the nature or world working by senses.Hypothesis- a tentative guess about how the world works based on observation

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The water cycle summarizes the processes that take place when water moves through the hydrosphere. The water cycle is shown here:

Answers

Explanation:

water moves through the hydrosphere in a cycle. Water collects in clouds, then falls to Earth in the form of rain or snow. This water collects in rivers, lakes and oceans. Then it evaporates into the atmosphere to start the cycle all over again

Which of the following TAS1R2 gene mutations is most likely to affect a person's ability
to taste molecules that are sweet?

Answers

The TAS1R2 gene mutations that affects a person's ability to taste molecules that are sweet are :

VV h0m0zygotes , VI heterozygotes, II h0m0zygotes

Although the options related to your question is missing a general answer is provided. above

The TAS1R2 gene is a sweet receptor and the variations in this gene affects the dietary intake of sugary foods in individuals and the level at which they perceive sweetness.

And the variations show that VV h0m0zygote individuals will consume less amount of calories from sugary foods than individuals whom are either VI heterozygotes or II h0m0zygotes.

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Where is Saturn located within our solar system?
O Between the Asteroid Belt and Jupiter
O Between Earth and Mars.
O Between Jupiter and Uranus.
O Between Uranus and Neptune.

Answers

Between Jupiter and Uranus

What two test that might indicate kidney failure

Answers

Answer: Please refer to:

ACR (Albumin to Creatinine Ratio) and GFR (glomerular filtration rate).

GFR is a measure of kidney function and is performed through a blood test. Your GFR will determine what stage of kidney disease you have – there are 5 stages

Explanation:

Not sure but hope it helps.

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