Answer:
Original sentence: When new information does not support a scientific theory, the theory may be revised or sometimes rejected.
New changed sentence: When the results of the experiment do not support a hypothesis, the hypothesis must be revised or rejected to state a new scientific theory.
Explanation:
The scientific theory is a conceptual framework used to explain facts or phenomena and to make predictions.
The theory is fundamental to science because it allows scientists to organize and understand observations.
The construction of a theory begins with a hypothesis. The scientist believes that a phenomenon occurs in a certain way, so he/she performs observations under the scientific method to prove that his/her hypothesis is valid or not valid. The systematization of the observations and the empirical data collected might derive from a scientific theory that explains the analyzed phenomenon.
A scientific theory is a knowledge that has been contrasted in several ways.
Can you please help me
Answer:
a survey found 65 percent...
Explanation:
I'm pretty sure
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Answer:
A- Chromosome, DNA, Gene
Explanation:
Chromosomes have two sister chromatids that connect at the centromere forming a shape similar to an X. DNA is found in a double helix formation, including Adenine, Thymine, Guanine, and Cytosine. Genes are found per singular section of the DNA double helix.
Answer: A
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What is the correct order of classification from largest (most organisms) to smallest (least organisms - most specific)?
A. SGFOCPKD
B. OCKPDKGFS
C. KDPOCGFS
D. DKPCOFGS
Answer:
B
Explanation:
The human body temperature is normally 98.6°F. As a person exercises, the body temperature starts to increase. As a result of the increased body temperature, the perspiration process
begins to cool the body. Which best describes what the body is doing when it perspires?
A. increasing osmosis
B. reducing transpiration
C. controlling metabolism
D. maintaining homeostasis
Answer:
.A. increasing osmosis
Please help me this is really hard to understand it’s a matching solving for physiology
Which of the following mutations would most likely be passed along to an organism's
offspring?
A. Mutation that occur during crossing over during the prophase stage of mitosis
B. Mutations that occur in both DNA strands synthesize do the S-phase of mitotic cell cycle
C. Mutations that involve translocation of chromosomes in gametes
during meiosis
D. Mutations that occur in Somatic cells During cell division
Mutations that involve the translocation of chromosomes in gametes during meiosis are likely to be passed to offspring (Option C). It is because mutations are inherited from germinal cells.
Mutations and MeiosisMeiosis is a cell division by which a cell produces four daughter germinal cells having half of the genetic material.
Moreover, a mutation is any alteration in the genetic material of the genome of an organism.
Germinal mutations can be inherited because they occur in the germinal meiotic cells, whereas mitotic (somatic) cells are not inherited.
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If a dog starts to put its paw down on a sharp stone, the tough skin skin protects underlying structures from damage. Additionally, touch receptors in the skin send sensory signals to the spinal cord. The spinal cord then sends a signal to the muscles to lift the paw rather than continuing to press down. In this scenario, the dog may experience discomfort but avoid injury.
What two body systems are being used to protect the structures beneath the dog's skin and signal the muscles to lift the paw?
A.
integumentary and nervous systems
B.
circulatory and nervous systems
C.
circulatory and lymphatic systems
D.
integumentary and lymphatic systems
PLZZ HELP QUICKKK
The two body systems being used to protect the structures beneath the dog's skin and signal the muscles to lift the paw are the integumentary and nervous systems, which are in option A.
What is the organ system?The dog's response to the sharp stone involves the coordinated action of two body systems: the integumentary system and the nervous system. The integumentary system consists of the skin and its associated structures, including hair, nails, and glands. The skin acts as a protective barrier between the external environment and the underlying tissues, and it has specialized structures, such as tough, keratinized layers in the paw pads, that can withstand pressure and protect the sensitive tissues underneath.
Hence, the two body systems being used to protect the structures beneath the dog's skin and signal the muscles to lift the paw are the integumentary and nervous systems, which are in option A.
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Select ALL the correct answers.
Which of the following statements about energy in systems are true?
The amount of energy in a system must equal the amount of matter in the system.
Energy can be changed from one form to another.
When energy leaves a system, it is transformed into matter.
Energy can be transferred into or out of a system.
Answer:
When energy leaves a system it is transformed into matter
Explanation:
First Law of Thermodynamics: Energy can be changed from one form to another, but it cannot be created or destroyed. The total amount of energy and matter in the Universe remains constant, merely changing from one form to another.
Two equal strips A and B were from a potato whose cell was 30% of sugar. The strip A was placed in a solution of 10% sugar concentration while B was placed in 50%sugar concentration. What change was expected in strip A and B
Answer:
I don't know
sorry I didn't understand anything
Why is it necessary to genetically engineer the bacteria to produce insulin instead of inserting the insulin gene in humans?
Answer:
????????????????
Explanation:
RDNA technology made it possible for bacteria to express an insulin gene from humans for production of insulin synthetically.
What is recombinant DNA technology?Alteration of genetic material from one organism to another, to obtain desired and enhanced genetic characteristics in recombinant organism, is called as recombinant DNA technology.
In this method different genetic material from different organisms can be combined to develop desired characteristics, for example, DNA from two different species is joined together, and the recombinant DNA molecule is then inserted into host organism to produce new genetic combination with higher medicinal, scientific or agricultural values.
Genetically modified bacteria are used for production of human insulin, which cause less immune reactions as compared to the pig or cow version of insulin.
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How is wastewater used in water recycling programs? WILL GIVE BRAINLEST HELP ASAP
Answer Choices:
drinking water
sprinkler systems
virus filtration
chemical pollution
Answer:
Sprinkler systems
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Answer:
I believe it is b
please tell my if I'm right
(c) Based on the data in Figure 1, describe whether or how the size of the leopard population appears to have been affected by the lion population over the period for which data were analyzed. The scientists also estimated the consumed biomass of the prey animals of the leopards and lions. They estimated that the lions annually ate a total of approximately 175,000 kg of prey animals. This included approximately 110,000 kg of very large animals. Calculate, to the nearest whole number, the percent of the total biomass eaten by the lions that is composed of very large animals.
Answer: 62.9%
Explanation:
Figure one is not available so I cannot answer the first part of the question.
The second part however, has the relevant information required.
The percentage of large animals eaten by lions from the total amount of biomass eaten by lions is:
= Weight of large animals / Total weight of animals eaten by lions * 100%
= 110,000 / 175,000 * 100%
= 62.9%
The coded information of a DNA molecule is determined by the
A .sequence of amino acids.
B .number of enzymes.
C. sequence of sugar-phosphate units
D. sequence of nitrogenous bases.
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1. Define celular respiration
2.What types of organisms use cellular respiration?
3 In which cell organele does most of aerobic celular respiration occur?
4.What are the reactants of aerobic celular respiration?
5.What are the end-products of aerobic cellular respiration?
6. What is the chemical equation for aerobic cellular respiration? How does it relate to the
chemical equation for photosynthesis ?
7. What are the 3 stages of aerobic cellular respiration? Where in the cell does each stage
occur and how many molecules of ATP are generated for each stage? Which stage generates
the most amount of ATP?
8. What types of organisms/cels utilize anaerobic celular respiration?
9. What are the two types of anaerobic respiration?
10. What is fermentation?
What organisms utilize fermentation?
11. Where in the cell does
fermentation take place?
12. What are the end-products of fermentation?
13. How many ATP molecules are generated during fermentation?
14. What types of organisms/cells utilize lactic acid anaerobic respiration? How many molecules
of ATP are generated by lactic acid respiration?
Explanation:
1. Cellular respiration is the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances.
2.Bacteria, Archea, Plants, Protists, Animals and Fungi.
3.Mitochondria-The eukaryotic cell structure where cellular respiration occurs.
4.Glucose reacts with Oxygen
5.Carbon dioxide and water
6.C6H12O6+6O2 yields 6CO2+6H2O+ energy.
it's the direct opposite of the photosynthesis
chemical equation.
7.Glycolysis-cytoplasm, 2 ATP.
Krebs cycle-mitochondria, 34 ATP.
Oxidative phosphorylation-mitochondria, 26 ATP.
Krebs cycle produces the most ATP.
8.Bacteria and Archaea.
9.Alcohol fermentation and lactic acid fermentation.
10.Fermentation is the process in which energy can be released from glucose even though oxygen is not available.
Many bacteria and yeasts.
11.The cytoplasm
12.alcohol, glycerol and carbon dioxide from yeast.
13.2 ATP
14.Bacteria, 2 ATP molecules.
according to the dichotomous key organism 3 is a
A) leech
B) bristle worm
C) water scorpion
D) dragonfly nymph
Answer
The correct answer is A) leech
Explanation:
According to the dichotomous key organism 3 is a leech. Therefore, option (A) is correct.
What is a dichotomous key?A dichotomous key is a tool used by biologists to identify organisms based on their characteristics. It consists of a series of questions with two possible answers for each question. By following the path of the key, the user can narrow down the possible identities of the organism until a final identification is reached.
Dichotomous keys are often used to identify species in fieldwork and can be based on physical characteristics such as color, size, and shape, or other traits such as behavior, habitat, and geographic range. These keys provide an efficient way to identify organisms and are widely used in fields such as ecology, botany, and zoology. However, the accuracy of a dichotomous key depends on the quality and specificity of the questions used and the expertise of the user in interpreting the results.
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how do Asian elephant move
Answer:
QUESTION:
how do Asian elephant move
ANSWER:
https://www.nationalgeographic.com/animals/mammals/facts/asian-elephant
Explanation:
Hope that this helps you out! :)
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pls help me out with this and thanks for the help
Explanation:
hope it helps:^❤6. Which marrow was denser (had more mass in the given volume)? What impact would that have on the overall density of the bone?
Answer:
The beef bone marrow was denser than the chicken bone because it had more mass in the given volume. Since the chicken must fly, it cannot have its bones weighing it down on the land. However, cows must find grass on land and travel long distances. This would increase the overall density of the bone.
Explanation:
I finished this assignment last week and received 50/50 points! Trust me on this! :)
Displacements that occur in opposite directions are ________ from each other to find the total displacement.
Answer:
Displacements that occur in opposite directions are subtracted from each other to find the total displacement.
Complimentary RNA sequence to ACATTTCAGACCGTC
HURRY
Answer:
UGUAAAGUCUGGCAG
Explanation:
In rna all codes that are copied from DNA are swap for their base pairs and T is replaces with U
which plant structure is most similar in function to a lizards eggs?
answer choices:
flowers
pollen
seeds
stems
(pls don’t guess or leave links)
Answer:I would say seeds, since it protects the bud of a flower and then the flower “hatches” from the seed and grows
Explanation:
The plant structure that is similar in functions to eggs is seeds. The correct option is C.
What are seeds?A seed is an embryonic plant with a protective outer covering and a food reserve. The formation of the seed is a part of the reproduction process in seed plants, including gymnosperm and angiosperm plants.
Similarly, an egg is an oval or round object laid by a female bird, reptile, fish, or invertebrate that typically contains a developing embryo.
Bird eggs are protected by a chalky shell, whereas reptile eggs are protected by a leathery membrane.
Embryos are developing in seeds and eggs. Both provide food for the developing embryo. Both have protective coverings that keep them from drying out.
Thus, it can be concluded that the correct option is C.
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Which area of this sound wave represents the greatest rarefaction?
Answer:
Its A i had hos question in usatestprep
Explanation:
Answer:
A represents a rarefaction
Explanation:
This is the area where the density of the wave is lowest.
A population of mosquitoes is exposed to the pesticide DDT for several generations. At the end of that time, most individuals in the population are resistant to DDT. The most likely reason is that:
A. random mutations in each generation made mosquitoes resistant to DDT.
B. some individuals in the original population had the mutations that led to resistance.
C. DDT caused the mutations that led to resistance.
D. somatic mutations in the original population were passed on to subsequent generations.
E. by chance, new mutations that led to DDT resistance arose after DDT was used.
Answer:
B
Explanation:
A population of mosquitoes is exposed to the pesticide DDT for several generations. At the end of that time, most individuals in the population are resistant to DDT and the most likely reason is that some individuals in the original population had the mutations that led to resistance. Option B is correct.
What is mutation ?Mutation is the change in which there is slight change in the genome sequence of a DNA or RNA along with the gene. The mutation lead to various types to adaptations along with the diseases.
Resistance is the condition when the species on the multiple exposures develop certain kind of adaptations to it and these traits are sometime inherited sometimes not inherited.
Mutations are friendly as well where sometimes a disease causing mutation can be altered with the further mutation in it.
Therefore on the multiple exposure it led to condition of resistance in the species.
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Describe two types of living things that biologists could study. Think about types of living things that are not in the ocean — what categories of living things are on land?
Answer:
Following are the two types of living things that biologists could study:
1) Animals
2) Plants
Explanation:
As we know plants and animals are the most important organisms. Animals has further categories of living things are on land:
1) Birds
2) Mammals
3) Reptiles
4) Amphibians
Fishes are not included because they are in water but not on land.
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Which of the following correctly matches a property of an organic molecule with how that property helps the organic molecule function in living organisms?
A. Carbohydrates lower the activation energy of certain reactions. This allows metabolic processes to take place at a rate that can sustain life.
B. Proteins contain nucleotides that encode genetic material. This allows proteins to accurately pass genetic information from one cell to another.
C. Nucleic acids contain multiple carbon-hydrogen bonds. This allows nucleic acids to provide energy for living organisms by breaking these bonds.
D. Lipids are insoluble in water. This allows lipids that make up biological membranes to regulate the entry and exit of many substances.
No dam links
Answer:
C. Lipids are insoluble in water. This allows lipids that make up biological membranes to regulate the entry and exit of many substances.
Explanation:
Which statement describes a primary function of the cell wall of a plant cell?
Answer:
I DON'T SEE OPTIONS, BUT HERE IS MY GUESS
It is for support.
Explanation:
Plant cells lack necessary support without their cell walls. An animal cells usually have skeleton of some sort to support it, so they don't need cell walls. Plants, on the other hand, don't have skeletons.
Describe how a protein would be changed if a base sequence mutates
from GGA to TGA.
Answer:
The protein would contain threonine instead of proline
Explanation:
The shape of the protein may be changed when a base sequence mutates from GGA to TGA.
What do you mean by Mutation?A Mutation may be defined as a sudden, stable, and inheritable change that occurs in the genetic material of an organism.
The amino acid sequence would be different, as GGA codes for Glycine, while UGA or TGA codes for stop codon which terminates the process of protein synthesis.
The protein which may be synthesized may not work correctly. In other words, the protein would be functional less.
Therefore, the shape of the protein may be changed when a base sequence mutates from GGA to TGA.
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Which of the following would be considered part of an emerald tree boa's ecological niche? Select all that apply. mating ritual inhabiting the tree canopy humans eating birds
Answer:
Eating Birds, and Inhabiting the tree canopy are the answers
Explanation:
The new idea however, became herbivores were not just controlled from the bottom, but they also had to be controlled from the top down by predators. This new idea was called what
Answer:
it sounds like the question is talking about Top-down control but i dk if that's the answer because it's in the question