Answers
Related Questions
Which of these questions is scientific? (2 points)
Should medicines be tested on animals?
What is the most interesting subject to study?
What is the age of Earth?
Should oil drilling be banned?
Answers
Answer:
What is the age of Earth.
Explanation:
Testing Medince on animals is already widely-banned in countrys so it wouldn't be a scientific question Cause this is personal opinion
The most intresting subject to study is another matter of opnion and not a scientific Question
Should oil drilling be banned does affect the earth but yet is another matter of opion.
Making what is the age of the earth the only liable questons cause the answer will be facts that are supported by evidence rather than matter of opinion
Q1: Using the formula M1V1 = M2V2 , you have a 0.5 M MgSO4 stock solution available. Calculate the volume of the stock solution needed to make 2.0 L of 0.20M MgSO4.
A. 0.5 L
B. 4.0 L
C. 0.8 L
D. 0.9 L
Q2: Using the formula M1V1 = M2V2, how many millimeters of 6.0M sodium hydroxide are required to prepare 2000mL of a 1.0M sodium hydroxide solution?
A. 1200 mL
B. 200 mL
C. 333 mL
D. 300 mL
Answers
Answer:
The answer to the first question is 0.8, and the second is 333
Explanation:
I took the test
1) The volume of the stock solution needed to make 2.0 L of 0.20M MgSO4 is 0.8 L.
2) Millimeters of 6.0M sodium hydroxide are required to prepare 2000mL of a 1.0M sodium hydroxide solution is 333.33 mL.
What are the uses of sodium hydroxide?At normal temperature, sodium hydroxide is a white, crystalline substance. It has no smell and draws moisture from the atmosphere. It releases heat when combined with water, which is sufficient for the ignition of flammable materials.
It is one of the necessary components for manufacturing soap. Another name for sodium hydroxide is lye. Chemical reactions occur when lye solution is combined with fats and oils. Saponification is the name of this reaction.
The household goods that contain sodium hydroxide are drain cleansers and oven cleaners. Sodium hydroxide transforms the oil and fat-filled obstructed pipes into soap.
It is utilised in the pharmaceutical sector to make a variety of medications, including the painkiller aspirin as well as medications that lower cholesterol and prevent blood clots. Paper is produced using it in the paper industry.
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short segments of newly synthesized dna are joined into a continuous strand by _____.
Answers
Short segments of newly synthesized DNA are joined into a continuous strand by DNA Ligase.
What is DNA ligase?DNA ligase is a group of enzymes that catalyze the binding of two molecules, which are DNA; synthetase.
During DNA replication, DNA molecules are synthesized on the leading strand continuously, whereas on the lagging strand, DNA is synthesized in short stretches.
These short stretches of DNA are called okazaki fragments and are later joined together by an enzyme called DNA ligase.
Therefore, DNA ligase is responsible for joining newly synthesized DNA molecules.
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Biology enzymes! Help me somebody please. Am I correct?
Answers
I am almost positive you messed up a squeeze, so see how it is in the 4? Well that may mean it's 4, then the 5 is measured by the smaller line going before the 6.
what is the difference between cork formation and gum formation in the plants as an immune mechanism
Answers
Answer:
Cork formation is a type of secondary growth that occurs in the stems and roots of woody plants. Gum formation, on the other hand, is a type of defense mechanism that occurs in response to injury or infection.
Explanation:
Drag the terms on the left to the appropriate blanks on the right to complete the sentences. ResetHelp Enzymes speed up chemical reactions by lowering the , which allows the reaction to proceed much more quickly. The between an active site and its substrate often strains bonds and helps the reaction proceed. Lactose takes years to break down on its own. But if exposed to the protein lactase, the reaction proceeds very quickly, while lactase itself remains unchanged. Lactase is an example of a(n) . A(n) is a molecule that can bind to an enzyme and prevent the enzyme from working. High temperatures or changes in pH can an enzyme, causing it to lose its shape and biological activity.
Answers
Answer:
denature
activation energy
catalyst
induced fit
inhibitor
substrate; product
active site
enzyme
Note: The question is incomplete. The complete question is found in the attachment below.
Explanation:
High temperatures or changes in pH can denature an enzyme, causing it to lose its shape and activity.
Enzymes speed up chemical reactions by lowering the activation energy which allows the reaction to proceed much more quickly.
An enzyme is considered a(n) catalyst because it speeds up a chemical reaction without being used up.
The induced fit between an active site and its substrate often strains bonds and helps the reaction proceed.
A(n) inhibitor is a molecule that can bind to an enzyme and prevent the enzyme from working.
During an enzymatic reaction, a molecule of substrate binds to the enzyme and is broken down into one or more molecules of product which are released.
The specific location within an enzyme molecule where the substrate binds is called the active site.
Lactose takes years to break down on its own. But if exposed to the protein lactase, the reaction proceeds very quickly, while lactase itself remains unchanged. Lactase is an example of a(n) enzyme.
which measurement is likely the least accurate? Explain.
What observations and/or patterns do you see in the data?
Answers
Based on the information, we can infer that the measurement that could be the least probable is caudal peduncie depth strandard error. Also, the trend is for lake values to be higher than river values.
What difference do we see in the values in the table?To identify the values we must analyze the table and identify they are not the trends. In this case we can infer that the tendency is for the values of the lake to be higher than the values of the river because all the values of the lake are higher than those of the river.
On the other hand, we can infer that the value that could be the least successful is the peduncie depth strandard error because it shows equal values. However, if we take into account the previous values, it should not be the same in both cases.
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For children from two to five, chikcare spaces are best organized into centers for play.
True or false ?
Answers
Answer:
True
Explanation:
The book named Principles of Geology, which influenced Darwin, was written by
Answers
Answer:
Principles of Geology, which influenced Darwin, was written by Charles Lyell
Explanation:
Darwin's finches are an example of adaptive radiation, the evolution of an animal or plant group into different types adapted to specialized ways of life. Their common ancestor arrived on the Galapagos about two million years ago. Over time, Darwin's finches have evolved into 15 recognized species differing in body size, beak shape, song and feeding behavior. The picture here shows finches with four different types of beaks.
What statement best represents how one species of finches became many?
A. In order to survive, the finches with different beaks flew to the island with the best food source for each beak type. Over time they evolved into different species.
B. The finches became isolated from one another on different islands. Because each island was different and presented different food sources, those finches with the beak type best fit for each island ecosystem survived to reproduce, over time evolving into different species
C. The finches became isolated from one another on different islands. Because each island was different and presented different food sources, those finches with the beak type best fit for each island ecosystem survived to reproduce, over time evolving into different species
D. The finches became isolated from one another on different islands. Finches developed the beaks that would best help them survive, over time evolving into different species.
Answers
Answer:d
Explanation:
what characteristics of epithelial tissues make them ideal for covering body surfaces?
Answers
Answer: Complete answer: The main characteristic of epithelial tissues is cells can be subjected to rapid division. Epithelial tissue is abundant all over the body. They form the covering of all surfaces of the body, line cavities of the body, and hollow organs and are the main tissue in glands.
Explanation:
Mathilda is a nursing assistant caring for two residents at a hospice center. Mathilda notices that the blinds are open in
Mr. Stevenson's room as he is getting ready for a bath, so she closes them before the resident undresses. She also
notices that Mr. Stevenson left his wallet out in a community area, so she asks if he would like her to return it to his
dresser drawer in his room. Mathilda is also caring for Mrs. Malmskog, who left some personal letters out in a
community area. Mathilda returns the letters to the resident's room. Which statement about Mathilda's care is true?
O Mathilda protected Mr. Stevenson's social privacy and Mrs. Malmskog's physical privacy.
O Mathilda protected Mr. Stevenson's physical privacy and Mrs. Malmskog's social privacy.
O Mathilda protected both residents' physical privacy and Mr. Stevenson's social privacy
O Mathilda protected both residents' social privacy and Mr. Stevenson's physical privacy.
Answers
Answer:
The answer to the question is a
Explanation:
Bc
Answer:
B
Explanation:
Which of the following population growth limiting factors is density dependent? Select all that apply.
A Volcanic Eruption
B Severe Weather
C Disease
D Predation
The Answer is Most Definitely C and D(Correct me if I am wrong please)
Answers
Disease is density-dependent for the following reasons that limit population expansion.
What do you mean by disease?Diseases typically have specific symptoms and signs and are different from physical injuries in nature. Indicative of the its abnormal status, a diseased organism frequently displays signs or symptoms.
Which are the four primary diseases?The majority of noncommunicable diseases (NCDs)—17.9 million people annually—die from cardiovascular diseases, followed by cancer (9.3 million), chronic respiratory disorders (4.1 million), and diabetic
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Describe one or more of the scientific theories regarding the origin of life on the early Earth. Explain how RNA is important to this theory.
Answers
The RNA world is a hypothesis associated with the emergence of life on Earth and it is important because states that RNA had catalytic functions.
What is the RNA world?The RNA world is a scientific theory that states life began as primitive organisms in which the RNA played a dual function, i.e., as genetic material and as an enzyme.
The RNA world theory is sustained by the presence of ribozimes, i.e., enzymes composed of RNA instead of proteins.
In conclusion, the RNA world is a scientific hypothesis associated with the emergence of life on Earth and this theory is important because it states that RNA had catalytic functions.
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19
What is formed when fossil fuels or turpentine are incompletely burned in the presence of sunlight?
CFC
Acid rain
Smog
Air pollution
Answers
Smog is formed when fossil fuels or turpentine are incompletely burned in the presence of sunlight. Option C.
What is a smog?Smog is a type of air pollution that is very common urban cities and can be identified by a fog-like or white smok-ish appearance in the air.
Smog is very dangerous and can cause many health problems, like respiratory problems, heart disease, and cancer. It can also damage plants and animals. It is no wonder that such illnesses are common in places that have much smog.
Acid rain happns when sulfur dioxide and nitrogen oxides react with water in the atmosphere. Acid rains are bad too.
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PLEASE NEED HELP IN BIO!!! The diagram below represents a biological process involving DNA. What process is represented?
translation
replication
mutation
transcription
Answers
Answer:
A
Explanation:
Because
Answer:
B, Replication.
Explantion:
I took the test.
Which example demonstrates divergence? (1 point)
Species A and B evolve into species C.
Species A goes extinct.
Species A does not evolve.
Species A evolves into species B and C.
Answers
The example Species A evolves into species B and C. demonstrates divergence (d option).
What is the evolutionary process of divergence between species?The evolutionary process of divergence between species makes reference to the modification of the features of one population which may lead to the generation of two or more different species when appearing barriers of reproductive isolation.
Therefore, with this data, we can see that the evolutionary process of divergence between species is based on the generation of evolutionary adaptive features that may lead to the speciation process of one primitive population.
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Using the data below, determine which type of moth is best adapted to its environment.
a.
Light moths on light trees.
b.
Light moths on dark trees.
c.
Dark moths on light trees.
d.
Dark moths on dark trees.
Lab Habitats - Lab Assessment; Edgen2020
Answers
The best type of moth is best adapted to its environment is dark moths on light trees. Thus, option C is correct.
What is environmental change?
Environmental change has a change or the disturbance of the climate which has most often causes due to the human behavior, the human activity or the natural ecological processes.
Environmental change has been consists many factors, such as the natural disaster, human interferences, or the animal interactions. It has been also included the physical change.
In the environmental change natural systems transform the sun's energy into the living matter and cause changes by cycling material through geological, biological, oceanic and atmospheric processes.
Therefore, The best type of moth is best adapted to its environment is dark moths on light trees. Thus, option C is correct.
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what is noun ?what is verb?what is full from of cpu?
Answers
Answer:
Noun:a word (other than a pronoun) used to identify any of a class of people, places, or things ( common noun ), or to name a particular one of these ( proper noun ).
Verb: a word used to describe an action, state, or occurrence, and forming the main part of the predicate of a sentence, such as hear, become, happen.
Central processing unit (CPU), principal part of any digital computer system, generally composed of the main memory, control unit, and arithmetic-logic unit. ...
Answer:
NounNoun is a naming word .
Verbverb is an action word .
The full form of CPU is central processing unit .hope it is helpful to you
Ok y’all I don’t have time to research for my sis so I will ask a bunch of questions
Answers
Answer:
stomach
Explanation:
During digestion, muscles push food from the upper part of your stomach to the lower part. This is where the real action begins. This is where digestive juices and enzymes break down the food that you chewed and swallowed.
Answer:
mouth
Explanation:
The digestive process starts in your mouth when you chew. Your salivary glands make saliva, a digestive juice, which moistens food so it moves more easily through your esophagus into your stomach. Saliva also has an enzyme that begins to break down starches in your food.
In which of the following do food webs connected all of the food chains?
Answers
Explanation:
Food webs are a group of connected food chains. Arrows in a food web go from the organism that is being eaten to the organism that is eating it. Food webs show that animals only eat one type of food. Arrows in a food web represent the flow of energy in a food web. Food webs show all of the eating patterns in an ecosystem.
Which term best describes the important pieces of information that scientists gather and record during an experiment?
1.conclusions
2.data
3.research
4.supplies
Answers
The correct answer is option 2, data
The collection of observations a scientist makes while conducting an experiment is known as data.
Data only becomes information when it has been examined and put to use to support a theory.
The inference made from the data following analysis is the conclusion.
Data are used in both qualitative and quantitative research to describe observations.
An experiment's comprehensive examination is known as research.
Information obtained through testing or observation is known as empirical evidence. These data are logged and examined by scientists. The procedure, which is a key component of the scientific method, results in the confirmation or rejection of a hypothesis and, as a result, improves our knowledge of the universe.Data might be qualitative or quantitative (i.e., numerical) (i.e., descriptive).Primary data: Information that the researcher has independently generated through surveys, and interviews.Using secondary data, which has already been produced by huge government agencies, hospitals, etc.Learn more about data here:
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Answer:
data
Explanation:
took the test
Summarize the findings of other scientists in Germany and Boston that support the work of Calderon-Garciduenas
Answers
Calderón-Garcidueñas has conducted research on the impact of air pollution on the brain and cognitive function. Other scientists in Germany and Boston have also conducted studies that support her work and findings.
In Germany, a group of researchers conducted a study to investigate the effects of air pollution on brain structure and cognitive function in a large population of older adults. The study utilized neuroimaging techniques to assess brain volumes and cognitive tests to evaluate cognitive performance. The findings revealed a significant association between long-term exposure to air pollution and reduced brain volume in regions related to memory and learning. The study also found that higher levels of air pollution were associated with poorer cognitive performance in various domains.
In Boston, researchers focused on the impact of air pollution on children's brain development. They conducted a study involving a cohort of children and assessed their cognitive abilities using standardized tests. The study found that children exposed to higher levels of air pollution exhibited lower cognitive scores, particularly in areas related to attention, memory, and language skills. The researchers also observed structural changes in the brain, specifically in regions involved in cognitive control, in relation to air pollution exposure.
These studies from Germany and Boston provide additional evidence supporting Calderón-Garcidueñas' findings regarding the detrimental effects of air pollution on the brain and cognitive function. They reinforce the notion that long-term exposure to air pollution can lead to structural changes in the brain and have a negative impact on cognitive abilities. The collective findings highlight the importance of addressing air pollution as a public health concern and implementing measures to reduce pollution levels to safeguard brain health and cognitive development, particularly in vulnerable populations such as children and older adults.
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functions of stem help
Answers
Explanation:
What is stem ?
= Stem is the part of the plant which grow above the ground....
Function :The major function of stem are production and support to the branches , leaves , buds , flowers , seeds etc. It also helps in conduction of water , minerals and foods in different part of the plant...
Besides this primary functions , the stem of some plants are modified into different shapes , size and structure and perform some special functions as an perennation , vegetative propagation, storage , food production etc....
\(...\)
based on the information in both texts , what is the differnce between the butterfly and frog life cycle ? PLEASE ANSWER !
Answers
Answer:
Um what texts you add more details please
Can someone get me Pokémon go hacked for IOS without human verification?
Answers
Which direction does an arrow point in a food chain or food web?
Answers
The arrow in the food chain or food web always points out from the organism that is being eaten to the organisms that do the eating. This also shows the flow of energy in the ecosystem as it transfers from one organism to another organism.
Q1(Describe the two eukaryotic animal organelles that have roles similar to the organs of the human digestive system)Q2(Describe how proteins are made packaged and transported within the cell plz help fast
Answers
Answer:
Describe the two eukaryotic animal organelles that have roles similar to the organs of the human digestive system
→Two eukaryotic animal cell organelles that have roles similar to the organs of the human digestive system are lysosome and mitochondria.Describe how proteins are made packaged and transported within the cell
→Vesicles transport the proteins from the ribosomes to the Golgi apparatus, a.k.a Golgi complex, where they are packaged into new vesicles. The vesicles migrate to the membrane and release their protein to the outside of the cell. Lysosomes digest and recycle the waste materials for reuse by the cell.Answer:
lysosomes and mitochondria.\( \: \: \: \: \: \: \: \: \: \)
What process is shown in the diagram below?
A. Karyotyping
First
cycle
O B. Use of restriction enzymes
Second
cycle
C. Polymerase chain reaction
(PCR)
Third
cycle
D. Gel electrophoresis
Fourth
cycle
Answers
Answer:
C
Explanation:
polymerase Chain Reaction PCR is your answer 100%
The process of Polymerase chain reaction (PCR) is given in the given diagram. The correct option is C.
What is polymerase chain reaction?Polymerase chain reaction (PCR) is a laboratory technique for rapidly producing (amplifying) millions to billions of copies of a specific segment of DNA, which can then be studied further.
PCR is also useful in a variety of laboratory and clinical techniques, such as DNA fingerprinting, bacteria or virus detection (particularly AIDS), and genetic disorder diagnosis.
The DNA produced by PCR, once amplified, can be used in a variety of laboratory procedures.
Polymerase chain reaction (PCR) is a technology that uses enzymatic replication of nucleic acids to quickly and easily amplify DNA sequences.
This method is indispensable in the field of molecular biology and is one of the fundamental methods for DNA analysis.
Thus, the answer is C.
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A method used by family and friends to help an alcoholic confront the disease is
Answers
Answer:
The options are
A. Cooperation
B. Intercession
C. Intervention
D. Codependence
The answer is B. Intervention
Explanation:
The suitable method used by family and friends to help an alcoholic confront the disease is Intervention. These set of people will help him understand the dangers of being an alcoholic and ensure that they help him avoid the triggers that makes such individual drink excessively.
They want to help him overcome the problem so cooperation and codependence is out of context. Intercession isn’t a strict form of confronting a problem such as this.