The scientific method is a research method that consists of observations, measures, experimentation, analysis, and verification of a hypothesis. Matches: 1d, 2a, 3f, 4e, 5b, 6g, 7c.
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The scientific method is a research method that consists of systematic observations, measures, experimentation, analysis, and verification of a hypothesis. It is based on reproducibility and refutability.
When conducting an experiment, you need to consider,
Definition and problem statement. The question for which there is not an answer yet. A question the investigator wants to answer.Theoretical framework. Antecedents from other investigations. Previous knowledge about the study object is always required for a better understanding.The main goal of the study is basically what the investigator wants to find out.Hypothesis formulation. The researcher makes a hypothesis to predict or make a conjecture -not verified and which requires corroboration- about what is going on or expected to happen. Identification of the study groups, and involved variables -independent, dependent, and control-.Methodology description. Steps needed to get data.Results. It includes data collection and analysis. This step involves testing the observations.Discussion and Conclusion, through which the hypothesis might be rejected or accepted.According to this framework, we can answer the question
1. Make an observation
d. The plants in my kitchen aren’t growing.
2. State the problem
a. Why aren’t the plants in my kitchen growing?
3. Identify variables
f. The amount of water my plants are getting and how much the plants grow.
4. Create a hypothesis
e. Will the amount of water I give my plants affect their growth?
5. Design an experiment
b. I will use three of the same type of plants. I will give plant A no water for one month. I will give Plant B five ounces of water daily for one month. I will give Plant C two ounces of water daily for one month. All plants will have access to direct sunlight for 6 hours a day.
6. Collect Data
g. After one month I see that Plant A did not grow and its leaves are brown. Plant B’s stem has grown by 4 inches and its leaves are large and green. Plant C has grown by 1 inch and has small green leaves.
7. Draw a conclusion
c. When I water my plants with five ounces of water daily, they will grow and maintain large, healthy leaves.
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Answer:
1.d
2.a
3.f
4.e
5.b
6.g
7.c
Explanation:
I got it right and wanted to simplify it for you!!!
particle A has very little mass in comparison to particle B/ both particles are in the same atom. which is the best conclusion about particles A and B.
Answer:
Explanation; Particle A has very little mass in comparison to Particle B. Both particles are in the same atom. Which is the best conclusion about Particles A and B? Particle A orbits the nucleus, and Particle B is located in the nucleus.
how are organisms classified as eukarya different from organisms classified as archaea and bacteria?
Answer:
The biggest difference between eukarya cells and bacteria ( as well as archaea) has to do with the way that DNA s stored within them. Bacteria have there DNA freely floating in the cell's cytoplasm with the membrane. Where else, eukarya have their DNA enclosed inside of a nucleus, which bacteria and archaea lack.
The United States, like Japan, is experiencing an increasing number of aging people in the population. What is the main difference between the two? How does this benefit.
Answer:
Explanation:
unless you give more information im just gonna say the distance is the difference here
Which organism(s) came first on your timeline? Explain the importance of the organism(s) and why you chose to place
the organism(s) first on your timeline:
Answer:
The roundworm C. elegans
Explanation:
The roundworm C. elegans became the first animal to have its genome sequenced, in 1998.Oct 4, 2017
The roundworm, C. elegans. The roundworm C. elegans got the first animal having genome sequencing, in 1998 Oct 4, 2017.
What is genome sequencing?Whole genome sequencing, often referred to as complete genome sequencing, full genome sequencing, or entire genome sequencing, is the method of determining the complete or nearly complete DNA sequence of an organism's genome all at once.
Sequencing refers to setting the nucleotides in a specific order. A laboratory approach called entire genome sequencing identifies the sequence of nucleotides in an organism's genome all at once.
Therefore, genomic sequencing has been crucial in finding inherited diseases, describing the cancer-causing mutations, and monitoring illness epidemics.
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What is the process of producing more of the same organism?
Answer:
Reproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parent" or parents. Reproduction is a fundamental feature of all known life; each individual organism exists as the result of reproduction.
1. Should tissue be removed from a patient without his or her consent for research?
2. How was the HeLa cell line cultured?
3. What virus infected Henrietta Lacks and may have caused her cervical cancer? What cellular process is affected by this virus?
4. Was there bias in the way Henrietta Lacks was treated at Johns Hopkins?
5. Put the use of HeLa cells on trial. Debate what is more important: an individual’s rights to his/her own body tissues or the medical knowledge gained by studying a patient’s tissues?
6. Should Henrietta Lacks’ family be compensated for the discoveries made using her cells?
7. Do companies or universities have the right to patent discoveries made using a patient’s tissues or genes without consulting the patient?
8. What other legal and ethical questions are raised by this book?
Answer:
1. No, tissue must not be removed without the patient's consent. Especially if it's for research purposes however fetal blood test or a biopsy.
2. It was cultured by the roller tube technique. In which the cells are lined/immobilized to the walls of the tube by serum or another medium and rotated(as in water bath) for adequate and uniform aeration.
3. The human papillomavirus 18 (HPV-18) that was later found to cause the strain of the cervical cancer she had. These viruses have two proteins E6 and E7 that turn off some of the tumor suppressors like pb53 and Rb and cause the cell lining to grow too much and cause changes in the cells that may bring cancer in some cases.
4. No. She received the standard treatment of the cervical cancer at that time, being stiched invasively with radium pouches, since the hospital was one of the few that treated black people.
5. Personally, both are important. But clearly for the betterment of the human race and people yet unborn, the medical knowledge that'll be obtained from stufying the cells and their overall benefits is more important. I completely disagree with the way the HeLa cells were obtained for I believe consent is a must since the tissues were hers to begin with and not the hospital's property. It's crucial for the patient to be notified of the pros and cons of giving the tissues and if manners of compensations can be discussed. Although malicious intents aren't wide but they're still there and it can be seen as invasion of personal privacy to some patients as well as relatives of the deceased.
6. Compensation to the Lacks family must be on the Lacks family terms. Because obviously all the discoveries made were due to the research done by the hospital still the tissues were taken without consent therefore if the Lacks family want to be compensated they must be as they want. Obviously, family can't be paid for and no amount of money that the institutions will deem fit would ever be enough unless the family decides on the amount themselves.
7. No. If the patient is alive credit must be given to the patient and the patient clearly informed on the patenting licenses and rights. And if the patient is dead then the family must be notified as well on the patenting licenses and rights. And the patenting decisions must be made only after the approval has been given by the owner of the tissues or the next of kin.
8. > Invasion of privacy was raised especially on Henrietta as well as her family.
> Ownership rights especially on th institutions that sold and benefited from the cells as well as the research and articles published without the family's knowledge.
> Right on one's body was raised on the legalization behind tissues, genes, body fluids. Things that weren't on the table for discussion are now put on the light.
This is what I think. All the best.
how does heating the bacterial smear during a zn stain?
The cells in the skin of an elephant are much bigger than the cells in the skin of a human.
O True
False
Answer:
No..larger mammals like elephant don’t typically have bigger cells, they just have more of them.
Explanation:
What type of energy is being transferred during predation ?
Answer:
Predation is the ecological process by which energy is transferred from living animal to living animal based on the behavior of a predator that captures and kills a prey before eating it. Predators occupy the upper levels of food chains.
State one reason why the pulse rates were not the same for all three students, even though they were all resting at the time.
Answer:
Indicator of a disease/illness/stress.
Explanation:
Difference in the resting pulse rate is a great indicator of an underlying sickness/stress for those who had it higher than others.
This is what I think. All the best!
Which of the following is known as the "respiratory center"?
Answer:
Medulla oblongata
Explanation:
Answer:
Medulla oblongata
Explanation:
The medulla oblongata is the primary respiratory control center. Its main function is to send signals to the muscles that control respiration to cause breathing to occur.
Helpp meeee, is it right??
Answer:
yes it is because if you sharp a pencil it make it shorter and
_______ is needed for the
light-independent reactions of photosynthesis to occuR
Answer:
Water is needed for the
light-independent reactions of photosynthesis to occur.
Photorespiration
consumes carbon dioxide and releases oxygen
consumes carbon dioxide and releases water and cellulose
consumes oxygen and releases carbon dioxide
consumes water and releases oxygen
Answer:
Hello there
Explanation:
3
Answer:
Consumes oxygen and releases carbon dioxide.
Explanation:
The reaction of RUBISCO with oxygen and metabolic processing of the resulting 2-PG is called "photorespiration". It is called this because it only occurs in the light (mitochondrial respiration continues in darkness) and because it consumes oxygen and produces carbon dioxide, just like mitochondrial respiration.
which nutrient do adolescent males need more than adolescent females?
Answer:
Adolescent females require approximately 2200 calories/day, whereas male adolescents require 2500-3000 calories/day. Additional intake requirements include fat, calcium, iron, zinc, vitamins, and fiber.
Explanation:
● Function of ribosomes / can anyone describe and facts about it ,its for my poster for school work
Answer:
The (main) functions of ribosomes are to decode messages from Ribonucleic Acid (RNA) molecules to create, chemically, proteins from amino acids.
Explanation:
Which of the following is not a renewable resource?
A. Groundwater
B. Trees in forest
C. Fertile soil
D. Oil
Answer:
oil is not a renewable resource
Answer:
D. Oil
Step-by-step explanation:
Once oil is used up, it cannot be replaced. It is gone forever.
what enzyme places the nucleotides on the dna strand?
Answer:
What is DNA polymerase.
DNA polymerase enzyme is the enzyme That reads the code and synthesizes the appropriate nucleotide base pairs according to the matching nucleotide after DNA splits during the replication process.
It helps in making the DNA error-free by proofreading. DNA polymerase III which has 2 molecules that work on both the strand leading and lagging strand.
Have a beautiful day! Miss Hawaii
A mouse is given a drug and then runs a maze. The time it takes to complete the maze is compared to the time it took for it to complete the maze without the drug.
What is the manipulated variable and the responding variable ?
Answer:
manipulating variable would be the drugs and the responding is the time that it completes the maze
Explanation:
Which type of chart plots the relationship between dependent and independent variables?
-Bar Chart
-Line Graph
-Flow Chart
-Pie Chart
Line graph is used to plot the relationship between dependent and independent variables by connecting the data points one plots via line.
What are dependent and independent variables ?These are the variables used in mathematical modelling , statistical modelling and experimental sciences.
The independent variable is the cause , its value is independent of other variables being studied and exists individually.
The dependent variable is the effect. The change in the value of dependent variable occurs due to change in the independent variable.
The correlation between dependent and independent variables can be studied by plotting a scatter graph and then connecting the dots to draw a line graph in order to establish a relation.
Therefore, line graph is the correct choice here.
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bio!! help pls
will give brainliest to correct answer
Homogeneous mixture is the correct answer.
Stan Jisoo ✌
Answer:
homogeneous mixture is the right answer.
Which human action has not lead to significant changes in Earth’s biomes?
a.
agriculture
b.
burial practices
c.
pollution
d.
large-scale fishing
Please select the best answer from the choices provided
A
B
C
D
Answer:
B burial practices has not lead to significant changes in Earth’s biomes
Answer:
B). Burial practices
Explanation:
E2023
What is a scenario of 2 body systems?
Answer:
Two examples of a body system are the respiratory system and digestive system.
Explanation:
answer me plz
short answer
The container below is separated into two sections by a semi-permeable membrane. Sugar molecules are too large to move across the semi-permeable membrane. What will happen in the container over time? *
a.Diffusion will not take place so the concentration of water and sugar will stay the same
b.The water will diffuse from section 2 into section 1 until the concentration of water is balanced
c.The water will diffuse from section 1 to section 2 until the concentration of water is balanced
d.The sugar will diffuse from section 2 into section 1 until the concentration of sugar is balanced
Answer:
b or c
Explanation:
The water will move to the section with lower water concentration until it is balanced, however, I don't know which section has the sugar and which has the water. a is wrong because the membrane is semi-permeable, so water can go through, and d is wrong because it is provided the sugar cannot move across the membrane. Hope this helps some :)
1. What does Kes73 have that makes it interesting to astronomers?
1 point
a pulsar
O a second star
O a black hole
O a galaxy
Pls help
The thing that makes kes73 interesting to astronomers is ; ( A ) A second star.
kes73 is believed by astronomers to have come from the explosion of dying stars in the supernova. The gases from the dying stars explode and scatter across forming a colorful cloud known as kes73.
At the center of the colorful cloud formed from the gases of the dying stars is a second star ( magnetar ) which is the most powerful star in the galaxy due to its magnetic force.
Hence we can conclude that the thing that makes kes73 interesting to astronomers is the presence of a second star
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5. Surface currents circulate in different directions, depending on the
in which they occur.
a. hemisphere
c. hydrosphere
b. troposphere
d. biosphere
Answer:
Hemisphere
Explanation:
what name is given to the process in which pre-mrna is edited into mrna?
Answer:
What name is given to the process in which pre-mRNA is edited into mRNA? RNA processing
Explanation:
what might happen if plants could not produce glucose?
Plants would starve and perish without glucose. Plant-dependent species like humans would perish.
Why is glucose important for plants?Sugar called glucose is essential for most living things' metabolisms. It is produced during photosynthesis by plants, certain bacteria, and protists. From bacteria and plants to people, glucose is the primary chemical energy source for cell processes in all living things.
Plants use glucose as a source of energy and to create other compounds like cellulose and starch. Cell walls are constructed using cellulose. As a food source, starch is kept in seeds and other plant parts.
Without glucose, plants would starve and end their lives. Humans and other creatures that depend on plants would die out.
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food Web
please help
Answer:
ang an carnivores at herbivores