A refrigerator thermometer is read ten times and registers degrees Celsius as:
39.1, 39.4, 39.1, 39.2, 39.1, 39.2, 39.1, 39.1, 39.4, and 39.1. However, the real
temperature inside the refrigerator is 37 degrees C. Is this an example of
precision, accurate, neither, both or neither, Make a selection and explain.
Answers
Answer:
Precise, but not accurate
Explanation:
First, let’s define accuracy and precision.
Accuracy: how close you are to the actual value
Precision: how close the measurements are to each other.
Let’s examine the data given:
39.1, 39.4, 39.1, 39.2, 39.1, 39.2, 39.1, 39.1, 39.4, 39.1
Each number is very close to 39, within 0.1 to 0.4.
The actual temperature of the refrigerator is 37 degrees. Each measurement is about 2 away from 37.
Since the measurements are close to each other, but far from the true value, we can say this is precise but not accurate.
Related Questions
What will happen to a cell placed in a hypertonic solution?
Answers
Answer:
Explanation:
lose water and shrink
The images show two different types of Galapagos tortoises that scientists believe descended from the same species. The first type (left) are found on islands that have high vegetation and few grasses. The second type (right) are found on an island that has large amounts of grasses and low-lying shrubs. What explains the type of turtle found on the islands with high vegetation?
Answers
The explanation for the kind of turtle found on the Galapagos islands with high vegetation: (C) Turtles possessing genes responsible for long necks had greater chances of survival and were able to attain their reproductive age.
Galapagos islands exhibit two distinct kinds of tortoises which vary in shape. The different shapes can be attributed to the distinct feeding habits that the tortoises have adapted according to the surrounding habitat.
The turtle inhabiting the islands with high vegetation possessed long necks as compared to the second type of turtle which feed largely on grasses and low-lying vegetation. Since the second type of turtle inhabited the region with low-lying vegetation, therefore, raising their heads in order to feed, was not essential to them.
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A model of the cell cycle is shown here. Based on your knowledge of the cell cycle and the percentage of cells in each stage of the
cell cycle, evaluate each of the following statements. Select ALL correct options.
A)
90% of the time the cell is in interphase.
B)
Mitosis is the longest phase of the cell cycle.
10% of the time, the cell is dividing its nucleus and cytoplasm.
D)
The cell spends almost half of its time growing in size and duplicating
organelles.
E)
The cell spends 5X more time duplicating the DNA compared to dividing
the nuclear components
Answers
Answer:
A,C,D
Ps) C starts at 10%
Explanation:
The closest star to our solar system is the _____.
Alpha Centauri
Sun
Northern Star
Answers
Answer:
Explanation:
true and keep it up
Answer:
Alpha Centauri.
Explanation:
Hope it helps.
why can a coomassie stained gel not be used as absolute proof that albumin is present in serum samples? what would you use instead?
Answers
Coomassie stained gel cannot be used as absolute proof that albumin is present in serum samples because albumin may not be the only protein staining on the gel and other proteins may have similar molecular weights making it difficult to differentiate them from albumin.
Why Coomassie stained gel cannot be used as a proof that albumin is present in serum samples?While a Coomassie-stained gel can show the presence of proteins in a sample, it cannot be used as absolute proof that albumin is present in serum samples because albumin may not be the only protein staining on the gel, and other proteins may have similar characteristics, making it difficult to differentiate them from albumin.
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Which of the following is true about DNA replication?
Answers
Answer:
c) All of the choices are correct
Explanation:
Answer:
A. ( answer)
Enzymes break the hydrogen bonds between the nitrogenous bases to separate the two strands of DNA.
Explanation:
DNA replication involves several different enzymes. Enzymes break the hydrogen bonds between the nitrogenous bases to separate the two strands of the DNA molecule. Then an enzyme called DNA polymerase joins individual nucleotides together to form the new complementary strands of DNA. Lastly, the DNA polymerase "proofreads" each new strand to make sure that each DNA molecule is perfect, or a nearly perfect copy of the original molecule.
1. fatty acids2. amino acids3. phospholipids4. hydrogen5. peptide6. tertiary7. secondary8. rough endoplasmic reticulum9. ribosome10. Golgi apparatus11. vesicle
Answers
The production of antibodies inside the lymphocytes starts at the ribosome (organelle) by joining amino acids together, creating peptide bonds, and forming the primary level structure polypeptide. The polypeptide bends and folds tertiary in the Golgi apparatus (organelle), to form the next level of structure. For instance, the secondary level of structure is formed by hydrogen bonds to create alpha helix or beta-pleated formations.
In order for an antibody to be released into the blood, a fully formed antibody will move from rough endoplasmic reticulum (organelle) to another organelle named Golgi apparatus to sort and be processed for shipment out of the cell. Antibodies transport from organelle to organelle and to the plasma membrane in a vesicle, which is made out of fatty acids-phospholipids.
1. fatty acids
2. amino acids
3. phospholipids
4. hydrogen
5. peptide
6. tertiary
7. secondary
8. rough endoplasmic reticulum (organelle)
9. ribosome (organelle)
10. Golgi apparatus (organelle)
11. vesicle
True/False. plant poisons do not affect domestic pets like dogs and cats.
Answers
False. Plant poisons can affect domestic pets like dogs and cats, and some plants are toxic to these animals.
Many common house and garden plants can be toxic to pets if ingested, and the severity of the toxicity can vary depending on the species of plant and the amount ingested. For example, some plants like lilies, azaleas, and daffodils can cause kidney damage or gastrointestinal upset in pets, while others like oleander and foxglove can cause heart problems or even death.
It is important for pet owners to be aware of the plants in and around their homes and take precautions to keep their pets away from toxic plants. If a pet ingests a toxic plant, it is important to seek veterinary care immediately.
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Kendrick holds the rubber blue ball halfway up the ramp and releases ir (figure 1).The ball rolls down the ramp and along the floor beyond the end of the ramp. What force caused the ball to roll down the ramp?
Answers
The force that caused the rubber blue ball to roll down the ramp is gravity. When Kendrick held the ball halfway up the ramp and then released it, the force of gravity began to act on the ball and it started to roll down the ramp.
A ramp is an inclined plane that reduces the amount of force required to move an object to a higher level. The force of gravity, which is an attractive force between any two objects in the universe, acts on objects in the direction of the center of the Earth.
This force causes objects to fall toward the ground. When the rubber blue ball was released from the midpoint of the ramp, it began to move in the direction of the force of gravity, which caused it to roll down the ramp. The force of gravity was able to overcome the ball's inertia and caused it to accelerate down the ramp. Once the ball rolled off the end of the ramp, it continued to move forward due to its inertia.
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electrons move from the wool to the
Answers
Answer: balloons surface
Explanation:
Samantha joins a group that cleans litter out of streams. What sort of impact is this group having on the environment?
Answers
The kind of impact this group is having on the environment is removing garbage that could pollute and kill animals, making water cleaner, and more animal life.
What are the consequences of garbage that ends up in rivers?When garbage is disposed of on public roads, it causes infrastructure problems and flooding. Upon reaching the rivers, it causes environmental imbalance, representing a great threat to aquatic life, in addition to contaminating the water used for human consumption, making it inappropriate and causing diseases.
With this information, we can conclude that the kind of impact this group is having on the environment is removing garbage that could pollute and kill animals, making water cleaner, and more animal life.
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If a true-breeding line is allowed to self-fertilize for several generations, the resulting offspring will have ______.
Answers
If a true-breeding line is allowed to self-fertilize for several generations, the resulting offspring will have the same traits as the parents.
A true breeding plant is one that produces only offspring with the same characteristics after self-fertilization. Genetically similar and possessing the same genes for the desired qualities are true-breeding organisms. These types of creatures have homozygous alleles.
In other words, both parents have the same genetic makeup. When plants self-pollinate, genuine breeding takes place since only offspring of the same variety are produced.
True breeding organisms have identical alleles for each desired attribute and are genetically identical. These creatures have homozygous alleles.
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Based on the materials of the course, which of the following statements is true?
Select one:
a. Based on OSHA requirements, it is more likely to make human immunodeficiency virus (HIV) vaccination mandatory for the housekeeping staff.
b. OSHA requires the front desk staff to be vaccinated against human immunodeficiency virus (HIV).
c. OSHA requires all staff in large hotels to be vaccinated against human immunodeficiency virus (HIV).
d. OSHA requires food and beverage department’s staff to be vaccinated against human immunodeficiency virus (HIV)
Answers
Based on the materials of the course, it is more likely to make human immunodeficiency virus (HIV) vaccination mandatory for the housekeeping staff is the correct statement. OSHA stands for Occupational Safety and Health Administration. Option A is correct
OSHA is the United States federal agency that is in charge of enforcing laws that deal with workplace safety, health, and occupational health. OSHA was established in 1971, and its primary mission is to ensure that employers are providing their employees with a safe and healthy working environment. OSHA has a wide range of regulatory powers that are used to ensure that employers are in compliance with the laws and regulations that deal with workplace safety and health.
Human immunodeficiency virus (HIV) vaccination is significant as HIV is a virus that damages the immune system, which is responsible for defending the body against illness. Without proper treatment, HIV can develop into acquired immunodeficiency syndrome (AIDS).There is currently no cure for HIV, but antiretroviral therapy (ART) is a treatment that can help manage the virus.
Vaccinations for Hepatitis B and HIV are now available to employees who work in settings where they may be exposed to infectious diseases. These vaccines can help reduce the risk of exposure to infectious diseases in the workplace. Therefore, it is more likely to make human immunodeficiency virus (HIV) vaccination mandatory for the housekeeping staff. Option A is correct
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why is it called "hamburger" if there's no ham?
Answers
Answer:
Good question! Hamburgers actually get their name from Hamburg, Germany, home of a cut of beef called the Hamburg steak that eventually evolved into what we now consider hamburgers
Which compounds has the same empirical formula?
Answers
C4H10 AND C2H5 have the same empirical formula
What can scientists assume about species with similar embryos?
Answers
Answer:
that they have more cells
Explanation:
big embrios=less cells small emberos=a large quanity of cells
Elements y macromolecules NEED ASAP
Answers
Answer:
Answer is in the attachment.
Explanation:
6) Pamela went to the doctor for her yearly check-up. They discovered that she had decreased
estrogen and progesterone levels. After a few months of medication, her levels returned to
normal. She stressed to her doctor that she wanted a child. Her doctor said that with the
hormonal supplements, she should be able to conceive a child.
What systems are affected?
Why?
Answers
Answer:
strogen and progesterone levels
Explanation:
she stressed to her doctor
Which step of the scientific method do you perform after you collect data and
observations?
O A. Form a hypothesis.
O B. Conduct an experiment.
OC. State the problem.
O D. Draw conclusions.
Answers
Answer:
D. Draw conclusions
Explanation:
The scientific method
At the core of biology and other sciences lies a problem-solving approach called the scientific method. The scientific method has five basic steps, plus one feedback step:
Make an observation.
Ask a question.
Form a hypothesis, or testable explanation.
Make a prediction based on the hypothesis.
Test the prediction.
Iterate: use the results to make new hypotheses or predictions.
The scientific method is used in all sciences—including chemistry, physics, geology, and psychology. The scientists in these fields ask different questions and perform different tests. However, they use the same core approach to find answers that are logical and supported by evidence.
Please answer the following questions as instructed
Answers
The physical or chemical changes that occur are as follows:
NaCl (Table Salt) dissolves in water- physical changeAg (Silver) tarnishes - chemical changeMilk sours - chemical changeAn apple is cut - physical changeHeat changes H2O to steam - physical changeBaking soda reacts to vinegar - chemical changeFe (Iron) rusts - chemical changeAlcohol evaporates - physical changeIce melts - physical changeSugar dissolves in water - physical changeWood rots - chemical changePancakes cook - chemical changeGrass grows - chemical changeA tire is inflated - physical changeFood is digested - chemical changePaper towel absorbs water - physical changeWhat are physical and chemical changes?Physical changes are changes that are easily reversible and in which no new substances are formed.
Physical changes involve:
a change in size, shape, or state no new substance is formedExamples of physical changes include
evaporation of water, dissolution of sugar in water.
Chemical change are changes that are not easily reversible and in which new substances are formed.
Chemical changes involve:
a change in the physical and chemical propertiesa new substance is formedExamples of chemical changes are rotting of wood, rusting of iron.
In conclusion, changes that new products are formed are chemical changes whereas changes that does not form new products are physical changes.
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the wet bulb temperature is 10 C the Dry bulb temperature is 14 C what is the relative humidity?
Answers
The relative humidity is approximately 22.9% based on the given wet bulb temperature of 10°C and dry bulb temperature of 14°C.
Relative humidityWet bulb temperature: 10°C = 50°F
Dry bulb temperature: 14°C = 57.2°F
SVP at wet bulb temperature: 0.284 * \(e^(17.27 * 10 / (10 + 237.3))\)= 0.284 * \(e^(-7.09)\) = 0.284 * 0.000828 = 0.0002356 psi
SVP at dry bulb temperature: 0.284 *\(e^(17.27 * 14 / (14 + 237.3))\) = 0.284 * e^(-5.97) = 0.284 * 0.002562 = 0.0007296 psi
AVP = 0.0002356 - (0.00066 * (57.2 - 50) * 14.7) = 0.0002356 - (0.00066 * 7.2 * 14.7) = 0.0002356 - 0.0686 = 0.000167 psi
RH = (AVP / SVP at dry bulb temperature) * 100
RH = (0.000167 / 0.0007296) * 100 = 0.229 * 100 = 22.9%
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ok I have like this campaign thing for science so i have to try and get people to vote for the mitochondria so on a slide i have to include the structure and the function of the mitochondria and be sure to relate them it also says it is very important to make the connection with the voters about why the mitochondria is the most important so include why the mitochondria is crucial for survival of your organism so if anyone can help that would be amazing
Answers
Answer:
The mitochondria is the most important organelle because it is where energy is produced through cellular respiration. It serves as an energy source for eating, breathing, moving, and thinking: all basic units of life. If there were no mitochondria many essential functions of the cell could not happen.
Explanation:
Escherichia coli is the scientific name of a bacterium. What category of
classification is Escherichia? *
A.order
B.genus
C.phylum
D.species
Answers
Escherichia coli is the scientific name of a bacterium. genus category of classification is Escherichia. The correct option is option (B).
In the scientific classification system, Escherichia is the genus of the bacterium. The genus is a higher taxonomic rank that groups closely related species together.
In this case, Escherichia is the genus name for a group of bacteria within the family Enterobacteriaceae.
The scientific name of an organism consists of the genus and species names together, with Escherichia coli being a specific species within the Escherichia genus.
Therefore, Escherichia coli is the scientific name of a bacterium. genus category of classification is Escherichia. The correct option is option (B).
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guys... I need answers
Answers
Answer:I have a question too HOW DO wait never mind sorry just keep reading please... ok how do I log out or switch accounts I really need to but it won’t let me congrats I wasted your time yay
Explanation:
Answer:
Hey there!
1. They are soft and spongy because they are mostly made of air spaces.
2. The trachea, which is also called the windpipe, is a tube that connects the larynx to the bronchi of the lungs.
3. Breathing through nose is better, because it can allow for more oxygen to get to the tissues.
4. You can use something called limewater. It turns a milky color in the presence of carbon dioxide.
5. Smoking and air pollutions are big causes of breathing problems.
Let me know if this helps :)
The items that bind to the active sites of enzymes are called.
Answers
Answer:
Substrates
Explanation:
The molecules that an enzyme works with are called substrates. The substrates bind to a region on the enzyme called the active site. There are two theories explaining the enzyme-substrate interaction. In the lock-and-key model, the active site of an enzyme is precisely shaped to hold specific substrates.
ion emojis having teeth is dominant and having no teeth is recessive. what genotype could be possible for an emoji that has no teeth
Answers
Let's suppose the dominant gene is represented with a capital T and the recessive gene is represented with a lowercase t.
Since recessive genes can only appear when no dominant ones are present, the only possible genotype would be tt.
Why can theories be change but laws cannot?
Answers
Answer:
A law is a fact, theory is true until proven false.
Explanation:
A law is a fact that has been proven true through multiple observations. A theory is considered true until proven false.
will mark brainliest
Muscle cells are specialized for contraction. They need lots of energy and specialized proteins. Which of these statements correctly pairs an organelle with its function in the cell?
Group of answer choices
The endoplasmic reticulum is the control center of the cell.
The lysosomes make proteins.
The mitochondria makes ATP.
Ribosomes make lipids.
Answers
The statement "The mitochondria make ATP' correctly pairs an organelle with its function in the cell because they produce this high-energy molecule.
What is Adenosine triphosphate (ATP)?Adenosine triphosphate (ATP) is a high-energy molecule produced during cellular respiration, which is mainly achieved in mitochondria.
Mitochondria produce a high amount of ATP by a process known as oxidative phosphorylation.
In conclusion, the statement "The mitochondria make ATP' correctly pairs an organelle with its function in the cell because they produce this high-energy molecule.
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the normal process of alterations over time in the body and its organ systems that eventually affect our functioning. What is called?
Answers
The normal process of alterations over time in the body and its organ systems that eventually affect our functioning is called as aging.
Aging refers to the natural and progressive process of changes that occur in the body and its organ systems over time. It is a universal phenomenon that affects all living organisms and is characterized by a decline in physiological function and an increased vulnerability to diseases. Aging is a complex and multifactorial process influenced by a combination of genetic, environmental, and lifestyle factors.
As we age, various biological processes and systems in the body undergo gradual changes. For example, there is a decline in the efficiency of cellular repair and maintenance mechanisms, leading to the accumulation of cellular damage and oxidative stress.
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sciencebiologybiology questions and answersin silkmoths (bombyx mori), red eyes (re) and white-banded wings (wb) are encoded by two mutant alleles that are recessive to those that produce wild-type traits (re+and wb+); these two genes are on the same chromosome. a moth homozygous for red eyes and white-banded wings is crossed with a moth homozygous for the wild-type traits. the f1 have normal eyes
Question: In Silkmoths (Bombyx Mori), Red Eyes (Re) And White-Banded Wings (Wb) Are Encoded By Two Mutant Alleles That Are Recessive To Those That Produce Wild-Type Traits (Re+And Wb+); These Two Genes Are On The Same Chromosome. A Moth Homozygous For Red Eyes And White-Banded Wings Is Crossed With A Moth Homozygous For The Wild-Type Traits. The F1 Have Normal Eyes
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In silkmoths (Bombyx mori), red eyes (re) and white-banded wings (wb) are encoded by two mutant alleles that are recessive to those that produce wild-type traits (re+and wb+); these two genes are on the same chromosome. A moth homozygous for red eyes and white-banded wings is crossed with a moth homozygous for the wild-type traits. The F1 have normal eyes and normal wings. The F1 are crossed with moths that have red eyes and white-banded wings in a testcross. The progeny of this testcross are
wild-type eyes, wild-type wings
418
red eyes, wild-type wings
19
wild-type eyes, white-banded wings
16
red eyes, white-banded wings
426
a. What phenotypic proportions would be expected if the genes for red eyes and for white-banded wings were located on different chromosomes?
b. What is the rate of recombination between the genes for red eyes and those for white-banded wings
Answers
The phenotypic proportions which would be expected if the genes for red eyes and for white-banded wings were located on different chromosomes are:
(a)
1⁄4 wild-type eyes, wild-type wings1⁄4 red eyes, wild-type wings1⁄4 wild-type eyes, white-banded wings1⁄4 red eyes, white-banded wingsWhat is the distance and rate of recombination?The distance between the genes is four map units.
The rate of recombination between the genes for red eyes and those for white-banded wings is 4%.
(b)
The F1 heterozygote inherited a chromosome with alleles for red eyes and white-banded wings (re wb) from one parent and a chromosome with alleles for wild-type eyes and wild-type wings (re+ wb+) from the other parent. These are therefore the phenotypes of the nonrecombinant progeny, present in the highest numbers. The recombinants are the 19 with red eyes, wild-type wings and 16 with wild-type eyes, and white-banded wings.
RF = recombinants/total progeny × 100% = (19 + 16)/879 × 100% = 4.0%
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