A scientist should be creative in order to?
Answers
Answer:
Scientists use creativity to determine which smaller questions are likely to yield results, imagine possible answers to their questions, and devise ways to test those answers.
Explanation:
Answer:
Find out new things.
Explanation:
If every scientist that ever existed wasn't a little creative, then how would they figure out so many cool new things.
Related Questions
7. What produces water vapor from plants?
Answers
Answer:
Water vapor can be produced from the evaporation or boiling of liquid water or from the sublimation of ice. Water vapor is transparent, like most constituents of the atmosphere. Under typical atmospheric conditions, water vapor is continuously generated by evaporation and removed by condensation.
How do you memorize the 7 functional groups in biology?
Answers
You can practice writing out the names of the functional groups and their chemical formulas repeatedly, until you have them memorized.
One approach is to associate each functional group with a mnemonic or acronym
Another approach is to use visual aids, such as diagrams or illustrations, to help you associate the functional groups with their respective chemical structures.
there are several strategies you can use to memorize the 7 functional groups in biology, including using mnemonics or acronyms, using visual aids, practicing writing out the names and formulas, and connecting the functional groups with real-life examples
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Genetic information is encoded in a linear sequences of nucleotides,
which are structures that contain
A) a sugar group, a phosphate group, and a nitrogen base
B)an amine group, a functional R group, and a carboxyl group
C)short chains of CHO
D)long chains of CHO
Answers
Answer:
B)an amine group, a functional R group, and a carboxyl group
Explanation:
Refer to the treatments listed to answer the question, You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, or prion. You have four methods at your disposal to analyze the substance and determine the nature of the infectious agent. I. Treat the substance with enzymes that destroy all nucleic acids, and then determine whether the substance is still infectious. Il. Filter the substance to remove all elements smaler than what can be easily seen under a light microscope. III. Culture the substance on nutritive medium, away from any plant cells. IV. Treat the sample with proteases that digest all proteins, and then determine whether the substance is still infectious. If you already know that the infectious agent was either a virus or a prion, which method(s) listed above would allow you to distinguish between these two possibilities? IV only О llonly O Ionly O either I or IV
Answers
If you already know that the infectious agent was either a virus or a prion, method IV only would allow you to distinguish between these two possibilities.
Method IV involves treating the sample with proteases that digest all proteins, and then determining whether the substance is still infectious. This method would only work if the infectious agent was a prion, as prions are infectious proteins that do not contain nucleic acids and therefore would not be affected by methods I and III. On the other hand, viruses are infectious agents that contain nucleic acids, and would therefore be affected by methods I and III, but not method IV.
Therefore, if method IV was used and the substance was still infectious after treatment with proteases, it would indicate that the infectious agent is a prion, while if the substance was no longer infectious, it would indicate that the infectious agent is a virus.
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A certain drug decreases heart rate by producing depolarization in the pacemaker cells of the heart. This drug probably binds to ___________________.
Answers
This drug probably binds to the funny channel in the heart.
What is Funny channel (If)?This is a current found in the heart which possess effects which are opposite to those of most other heart currents.
It has a mixed Na+–K+ inward current activated by hyperpolarization which makes it easier for the drug to produce depolarization thereby decreasing heart rate.
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Which best illustrates how comparative anatomy supports the modern theory of evolution
Answers
Answer: Whales have finger bones in their fins is the one that best illustrates how comparative anatomy supports the modern theory of evolution.
Pharmaceutical Company X conducted an experiment to determine if the new migraine headache pill would alleviate the number of migraine headaches. Subjects were randomly assigned to a group that was given the medication with the active ingredient or a group that was given a placebo pill.
answer the following questions
1. Explain how the company is minimizing falling into participant bias? state an evidence from the scenario.
2. Explain how each of the following bias need to be considered before conducting a study. 1. Participant bias 2. Experimental bias ( max 150 words)
3. Discuss the cause of anxiety from each of the following perspectives. 1. Cognitive 2. Neuroscience (max 150 words)
Answers
Answer: Independent Variable: migraine medication
Dependent Variable: headaches
Experimental Group: group given real medication
Control Group: group given placebo pill
Explanation:
Which of the following is produced by the immune system to identify foreign cells?
antibodies
antigens
bacteria
colored dye
Answers
Answer:
im pretty sure its antibodies
Explanation:
Answer:
1sy option
Explanation:
edge 2021 :p
HELP NEED ASAP!!!!! GRADES R GOING IN PLEASE HELP ME!!!!!
Which is true because of comparative embryology? A) A frog embryo resembles an adult frog. B). The embryos of all animals appear different. C) Turtle and human embryos have a tail D) Male and female eagle embryos have wing
FIRST ANSWER W/ EXPLANATION WILL GET BRAINLIEST
Answers
URGENT!!!
The Department of Agriculture manages Cooperative Extensions through what?
A.community centers
B.participating farms
C.land grant universities
D.national forests
Answers
Answer:
a or c
Explanation:
Is Shibuya City a marine or continental environment?
Answers
Answer:
Well, Shibuya City is located in the Tokyo Metropolis of Japan and since it is an urbanized area, it is an continental environment.
What is the function of the type of muscle that is pictured below?
Answers
Answer:
correct, its contraction and relaxation of the heart
Explanation:
by the help of pacemaker cells, contractions of our hearts are in control
Answer:
contraction and relaxation of the heart
Explanation:
c or contraction and relaxation of the heart
which of the following is true in the watson-crick model of dna?group of answer choicesthe number of adenines equals the number of guanines.ribose always bonds to a nitrogenous base.four different types of bases are found in dna.during replication, the phosphate groups are copied but the base sequence is not copied.phosphate groups always bond to ribose.
Answers
Ribose does not always bond to a nitrogenous base, as DNA uses deoxyribose, and there are four types of bases found in DNA.
The Watson-Crick model of DNA, proposed by James Watson and Francis Crick, is the double-helix structure that describes the molecular arrangement of DNA. According to this model, DNA consists of two complementary strands that are held together by hydrogen bonds between specific nucleotide base pairs.
In DNA, the number of adenines (A) always equals the number of thymines (T), and the number of guanines (G) equals the number of cytosines (C). This is known as complementary base pairing. Adenine always pairs with thymine, and guanine always pairs with cytosine.
The sugar component of DNA is deoxyribose, not ribose. Deoxyribose lacks an oxygen atom at the 2' position, which distinguishes it from ribose found in RNA.
DNA contains four different types of nitrogenous bases: adenine, thymine, guanine, and cytosine. These bases are responsible for carrying the genetic information in DNA through their specific sequence.
During DNA replication, both the phosphate groups and the base sequence are faithfully copied. The DNA strands separate, and each strand serves as a template for the synthesis of a complementary strand.
Phosphate groups in DNA are part of the backbone of the DNA molecule and are connected to the sugar molecules, which in turn are connected to the nitrogenous bases. Ribose, however, is not the sugar component of DNA but rather of RNA.
In summary, the Watson-Crick model of DNA involves complementary base pairing, where the number of adenines equals the number of thymines, and the number of guanines equals the number of cytosines. DNA uses deoxyribose, not ribose, as its sugar component. There are four different types of nitrogenous bases in DNA: adenine, thymine, guanine, and cytosine. During replication, both the phosphate groups and the base sequence are faithfully copied, and phosphate groups are not always bonded to ribose.
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Consider the following prediction. Prediction: If tomato plants are harmed by NoGro herbicide, then an increase in the concentration of NoGro herbicide in the supplied water will result in a decrease in the average height of the tomato plants over a one-year period. Which of the following best describes this prediction?
OA. The prediction is not useful because it has not yet been peer- reviewed by other scientists.
OB. The prediction is useful because it summarizes what is already known about a particular research question.
OC. The prediction is not useful because it fails to mention the name of the scientist doing the experiment.
OD. The prediction is useful because it explains what observations will be made if a hypothesis is true
Answers
The statement that describes this prediction is as follows:
The prediction is useful because it explains what observations will be made if a hypothesis is true.Thus, the correct option is D.
What is Herbicide?Herbicide may be defined as a chemical agent that is responsible for destroying or inhibiting the growth of a particular plant as compared to the normal one.
The projection is necessary because it supports the product after a one-year duration. So for example, if after one year there is undoubtedly a reduction in the intermediate height of the tomato plants, then we can absolutely say that it is because of the existence of NoGro herbicide which is supplied in water.
Therefore, it is well described above.
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True root and xylem and phloem are present and 1 first true plant
Answers
Answer:
Pteridophytes are the first true land plants with xylem and phloem. Hence, they are called vascular cryptogams.
Explanation:
I think you are talking about this.
What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
Answers
The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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What is forensic entomology? What are the different areas of forensic entomology?
Answers
Answer:
Forensic study of insects
Explanation:
Forensic entomology is the study of insects as it relates to forensics. Examples include the feeding patterns of insects on a body (medicolegal), how insects degrade buildings (urban) and infest food products (stored-product).
Baby girl Domingo was born to a 27-year-old blood type A- gravida 2 para 2 (1,1,0,2) mother via cesarean section due to non-reassuring fetal heart sounds secondary to probable fetal anemia, severe at 34 week 6/7 days age of gestation by early ultrasound, an APGAR score of 5,8, preterm at 34-35 weeks by Ballards Criteria. Fetal anemia warranted immediate termination of pregnancy followed by neonatal transfusion to save the life of Bb girl Domingo. Why was the first pregnancy completed uneventfully?
Answers
The first pregnancy was completed uneventfully because the mother did not experience any complications or issues related to fetal anemia or non-reassuring fetal heart sounds during that pregnancy.
In the first pregnancy, the mother did not encounter any problems associated with fetal anemia or non-reassuring fetal heart sounds. These complications typically arise due to various factors such as Rh incompatibility, blood type mismatch, or maternal antibodies affecting the fetus's blood cells.
In the case of the first pregnancy, none of these factors seemed to be present, resulting in a smooth and uneventful pregnancy.
Factors such as Rh incompatibility or blood type mismatch can lead to the development of antibodies in the mother's blood that can attack the red blood cells of the fetus, causing fetal anemia.
However, in the first pregnancy, the absence of these factors likely contributed to the lack of fetal anemia and the absence of non-reassuring fetal heart sounds. It is essential to identify and manage these factors in subsequent pregnancies to prevent complications like fetal anemia and ensure the well-being of both the mother and the baby.
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In pea plants, tall stems are dominant to short stems, and purple flower color is dominant to white flower color.
a. If a homozygous tall, white plant is crossed with a homozygous short, purple plant, what will be the phenotype of the F1 generation?
b. If an F1 plant from this cross is then crossed with to a homozygous tall white plant, what will be the possible phenotypes of the offspring, and in what expected proportions?
Answers
a. If a homozygous tall, white plant is crossed with a homozygous short, purple plant, the phenotype of the F1 generation will be heterozygous tall, purple plants. b. If an F1 plant from this cross is then crossed with to a homozygous tall white plant, the possible phenotypes of the offspring will be heterozygous tall, purple plants and heterozygous tall, white plants in 1:2 expected proportions.
a. Homozygous tall, white plant is crossed with a homozygous short, purple plant, the phenotype of the F1 generation will be heterozygous tall, purple. A Punnett square can be used to determine the F1 offspring. The genotype of the homozygous tall, white parent would be TTWW and the genotype of the homozygous short, purple parent would be ttww.
Therefore, the F1 offspring will be heterozygous tall, purple plants (TtWw).
b. If an F1 plant from this cross is then crossed with a homozygous tall white plant, the possible phenotypes of the offspring would be heterozygous tall, purple plants and heterozygous tall, white plants. The expected proportions of the offspring are:
1/4 of the offspring would be homozygous tall, white (TTWW).
1/4 of the offspring would be homozygous short, purple (ttww).
1/2 of the offspring would be heterozygous for both traits (TtWw).
A Punnett square can be used to determine the offspring of the cross.
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at which stage of meiosis i does the exchange in genetic material between homologous chromosomes result in recombinant chromosomes? Prophase I
Figure 1: Recombination is the exchange of genetic material between homologous chromosomes. During prophase I, the chromosomes condense and become visible inside the nucleus.
Answers
Prophase 1 stage of meiosis does the exchange in genetic material between homologous chromosomes result in recombinant chromosomes.
Meiosis is a eukaryotic cell division process. Meiosis generates new genetic material combinations within each of the four daughter cells. These new combinations are the result of DNA exchange between paired chromosomes. Because of this exchange, the gametes produced by meiosis have a huge spectrum of genetic variation.
The chromosomes condense that become visible within the nucleus during prophase I. Since each chromosome was reproduced just before prophase I during the S phase, it now comprises two sister chromatids united at the centromere. Because of this arrangement, each chromosome has the shape of an X.
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Altering the dna of organisms has been a controversial topic since the discovery of the structure of dna
Answers
Altering the DNA of organisms has been a controversial topic since the discovery of the structure of DNA in 1953 by James Watson and Francis Crick.
Genetically modified organisms (GMOs) are created when genetic material from one species is inserted into another to create a desired trait. This process has raised ethical concerns about the potential health and environmental risks associated with the production of GMOs. Some people argue that GM technology has the potential to increase food production and reduce the environmental impact of agriculture, while others are concerned that genetic engineering could lead to unforeseen and potentially harmful effects.
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In humans, the ability to regulate blood sugar with the chemical insulin, keep the pH of the blood at a neutral level through the lungs and get rid of liquid waste through the kidneys help keep the body functioning at an optimal level. What characteristic of life is represented by these statements?
Answers
Answer:
Living
Explanation:
To function the brain send out signals to optimize and regulate the body and that's what makes you a living organism
List 4 examples of limiting factors described in the reading and label each if it would be considered an abiotic or biotic limiting factor.
Answers
Answer:
Explanation:food, water, habitat, and mate.
Limiting factors can be either abiotic or biotic. Examples: Abiotic → water, pH, radiation, salinity. Biotic → predation, competition, parasitism.
What are biotic and abiotic factors?The ecosystem is composed of living and non-living elements that interact and depend on each other. These are the biotic and abiotic factors.
• Abiotic factors are physical and chemical components of the ecosystem. These are the non-living elements.
• Biotic factors are all the living components in the ecosystem.
Biotic and abiotic factors influence the survival and reproduction of living beings.
What are the limiting factors?Limiting factors are environmental conditions that act directly on populations and individuals, limiting their distribution and growth.
These factors might be either biotic or abiotic and affect natality and mortality rate, migration, etcetera.
Limiting factors might be a result of the population density or might be dense-independent.
When talking about dense-independent limiting factors we are referring to
abiotic factors, such as temperature, pH, salinity, humidity, radiation, etcetera.natural disasters like fires, volcanic eruptions, flooding, etceterahuman impactWhen talking about dense-dependent limiting factors we are referring to biotic factors and the interactions established between species that control other species' growth.
These are, for instance,
competition, parasitism, and predation
Each species carries out a different role in these interactions.
These relationships and the results are what determine the destiny of the populations and their size.
Now, since I do not have the text, I will suggest a few examples of limiting factors. Take a look at them and then look for some other examples in your reading.
Limiting biotic factors:
predatorcompetitorparasitesLimiting abiotic factors:
waterpHradiationsalinityFollowing this framework, you should look in your reading which limiting factors are described.
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The graph shows the oxygen consumed by an athlete during different
stages of training.
Volume of Oxygen Consumed During Exercise
Volume of O, (mL/min)
2,500
2,000
1,500
1,000
500
0
12
Rest
8 9 10 11 12 13 14 15
Recovery
Exercise
Tine
(min)
Based on the graph, which process is occurring between minute 5
and minute 10?
F Nuclel are building amino acids for energy storage.
G Ribosomes are building carbohydrates to increase energy output.
H Chloroplasts are using energy to produce oxygen.
J Mitochondria are using oxygen to produce ATP.
Answers
Based on the graph, the process that is occurring between minutes 5
and minute 10 is Mitochondria are using oxygen to produce ATP.
The correct option is J.
What is aerobic respiration?Aerobic respiration is a metabolic process that occurs in the presence of oxygen, in which cells convert nutrients into energy.
The process begins with the breakdown of glucose into pyruvate in a process called glycolysis.The pyruvate then enters the mitochondria, where it is broken down further through the citric acid cycle and oxidative phosphorylation to produce ATP (adenosine triphosphate), the primary energy currency of cells. Aerobic respiration is highly efficient and allows cells to produce a large amount of ATP, making it the preferred pathway for energy production in most eukaryotic organisms.
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Example of multicellular organisms. Please help me
Answers
Answer:
human beings, plants, animals, birds, and insects.
Explanation:
Please mark brainiest TYSM
help me plzzz i need it
Answers
Answer:
B.
Explanation:
Since we are unable to fit the entire solar system into a laboratory, this gives us a way to look at a basic and smaller replica of the planets.
In how many ways can you fill three different positions by choosing from 15 different people? A. 3 · 2 · 1 B. 15 · 14 · 13 C. 15 · 14 · 12 · 3 D. 15 · 3 Its algebra 2!
Answers
Answer:
✔ ∅ B. 15 · 14 · 1315P3 = 15!/ (15-3)! = 15*14*13*12! / 12! = 15*14*13Explanation:
In how many ways can you fill three different positions by choosing from 15 different people?
✘ O A. 3 · 2 · 1
✔ ∅ B. 15 · 14 · 13
✘ O C. 15 · 14 · 12 · 3
✘ O D. 15 · 3
When the seats are empty, there are a total of 15 people that can possibly sit in there. There will only be 1 person left.
When the 1st seat is taken there are now 14 people who can possibly sit on another chair. Same goes when 2 seaats are taken.
To find the total number of possibilities, we multiply together the possible number of people for seat 1, seat2, and seat 3.
Or, if we use stat, nPr = n! / (n-r)!
Meaning:
15P3 = 15!/ (15-3)! = 15*14*13*12! / 12! = 15*14*13
Glucose is a .....
A. Carbohydrate
B. Lipid
C. Nucleic acid
D. Protein
Answers
Answer:
Explanation:Glucoce is a carbohydrate.
Erythropoietin is a HORMONE produced by the KIDNEYS that simulates (causes) the production of RED BLOOD CELLS. Which three organ systems are interacting when this happens?
Answers
Answer:
Circulatory and Urinary. Unsure of third one.
Explanation:
the three ossicles of the middle ear are known as ________.
Answers
The three ossicles of the middle ear are the malleus, incus, and stapes.
The malleus is also called the hammer because of its shape, the incus is also known as the anvil, and the stapes is sometimes called the stirrup.
Together, they form a chain of small bones that transmit sound vibrations from the eardrum to the inner ear. The malleus is connected to the eardrum, the incus connects the malleus and stapes, and the stapes is attached to the oval window of the inner ear.
The ossicles amplify and transmit sound waves to the inner ear, allowing us to hear sound.
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