Answer:
See below
Explanation:
Antibiotics:Medications used specifically against bacteria are called antibiotics.Difference between bacterial cells and our healthy cells:
Bacterial cells have cell walls. However, Healthy cells of our body lack cell wall.Why are antibiotics able to target bacterial cells:
Antibiotics are specific in their functions. They are designed as to attack only bacterial cells. They attack the cell wall of the bacterial cell most often. Since, the healthy cells of our body lack cell wall, antibiotics are not able to attack healthy cells of our body.In this way, our body cells are safe from the attack of antibiotics.
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Think of a topic of interest to you within the subject of Earth and Space Science. How might the daily activities of a scientist studying that topic or field differ from a chemist, physicist, or biologist? How might it be the same? In what ways would the scientist likely use the scientific method? Which types of data would they likely analyze most often?
Answer:
Lets take Natural disaster has a reference in point
Examples of natural disasters are Earthquakes and Volcanoes
Earthquake is as result of shocks and vibrations within the tectonic plates of the earth. Volcanoes are the eruption of molten magma from within the epicentre to the surface.
An Earth Scientist will want to consider the likelihood of these disasters occuring in a place. He will want to consider the past events , what are the composition of samples that are gathered , the geological terrain of th location.
A physicist on the other hand will be interested in the forces and how to measure the vibrations from earthquakes and earth tremors, what kind of load to resist the impact. It will be the same as the earth sciences in that they will want to gather enough data to mitigate against it impacts and consequences by proposing theories that are vital
The scientist will use the scientific methods to derive equations from data samples. Have samples from different location, observations, inference and reach a conclusion. Qualitative and quantitative data sets
Explanation:
Lets take Natural disaster has a reference in point
Examples of natural disasters are Earthquakes and Volcanoes
Earthquake is as result of shocks and vibrations within the tectonic plates of the earth. Volcanoes are the eruption of molten magma from within the epicentre to the surface.
An Earth Scientist will want to consider the likelihood of these disasters occuring in a place. He will want to consider the past events , what are the composition of samples that are gathered , the geological terrain of th location.
A physicist on the other hand will be interested in the forces and how to measure the vibrations from earthquakes and earth tremors, what kind of load to resist the impact. It will be the same as the earth sciences in that they will want to gather enough data to mitigate against it impacts and consequences by proposing theories that are vital
The scientist will use the scientific methods to derive equations from data samples. Have samples from different location, observations, inference and reach a conclusion. Qualitative and quantitative data sets
5 natural disasters
Insurance tech startup Descartes Underwriting has raised $120 million of fresh funds.The French firm helps businesses protect themselves against climate risks like cyclones.It raised the funds in a Series B round led by Highland Europe and Eurazeo.Natural disasters as a reference point
Examples of natural disasters are Earthquakes and Volcanoes
An earthquake is a result of shocks and vibrations within the tectonic plates of the earth. Volcanoes are the eruption of molten magma from within the epicenter to the surface.
An Earth Scientist will want to consider the likelihood of these disasters occurring in a place. He will want to consider the past events, what are the composition of samples that are gathered, and the geological terrain of the location.
A physicist on the other hand will be interested in the forces and how to measure the vibrations from earthquakes and earth tremors, and what kind of load to resist the impact. It will be the same as the earth sciences in that they will want to gather enough data to mitigate against its impacts and consequences by proposing theories that are vital
The scientist will use scientific methods to derive equations from data samples. Have samples from a different location, observations, inference, and reach a conclusion. Qualitative and quantitative data sets
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Explain what distruptive selection is
Answer:
"Disruptive selection is a type of natural selection that selects against the average individual in a population. The makeup of this type of population would show phenotypes (individuals with groups of traits) of both extremes but have very few individuals in the middle"
Explanation:
What are the advantages and disadvantages of genetically modified organisms?
Answer: Advantages: better crop yield, healthier plants and animals, and more appealing food. Disadvantages: potential health issues, lower quality of life for animals, ecological disruption.
Explanation:
(This answer includes and focuses on the process of artificial selection as genetic modification)
Advantages
Better crop yield: genetic modification is commonly used in agriculture to select plants with better yields, allowing future plant generations to grow more and produce more.
Healthier plants and animals: plants and animals can be bred or otherwise modified to increase their disease resistance or to eliminate health issues found in earlier generations.
More appealing food: farmers can breed the plants with the best-tasting fruits to create an overall more appealing fruit. Scientists have also used direct genetic modification through genome editing to create new types of apples and other fruits.
Disadvantages
Potential health issues: most easily understood with dog breeds, which have been artificially selected and bred to have specific characteristics. This leads to some breeds being more susceptible to various health issues, namely respiratory disruption in those with flattened faces.
Lower quality of life for animals: seen in poultry farming, where chickens and other birds have been modified to be as big as possible. While this does provide a higher meat yield, it also causes the birds to live for an extremely short amount of time, most of which is spent being unable to move.
Ecological disruption: in the attempt to prevent insects from feeding on plants through genetic modification, the insect populations can be harmed by a lack of food sources. This can lead to other disruptions up the food chain, that, while typically minor, could eventually have larger consequences.
Answer: Advantages: better crop yield, healthier plants and animals, and more appealing food. Disadvantages: potential health issues, lower quality of life for animals, ecological disruption.
Explanation: (This answer includes and focuses on the process of artificial selection as genetic modification) Advantages Better crop yield: genetic modification is commonly used in agriculture to select plants with better yields, allowing future plant generations to grow more and produce more. Healthier plants and animals: plants and animals can be bred or otherwise modified to increase their disease resistance or to eliminate health issues found in earlier generations. More appealing food: farmers can breed the plants with the best-tasting fruits to create an overall more appealing fruit. Scientists have also used direct genetic modification through genome editing to create new types of apples and other fruits. Disadvantages Potential health issues: most easily understood with dog breeds, which have been artificially selected and bred to have specific characteristics. This leads to some breeds being more susceptible to various health issues, namely respiratory disruption in those with flattened faces. Lower quality of life for animals: seen in poultry farming, where chickens and other birds have been modified to be as big as possible. While this does provide a higher meat yield, it also causes the birds to live for an extremely short amount of time, most of which is spent being unable to move. Ecological disruption: in the attempt to prevent insects from feeding on plants through genetic modification, the insect populations can be harmed by a lack of food sources. This can lead to other disruptions up the food chain, that, while typically minor, could eventually have larger consequences.
What type of vibration is created by S waves?
A. Propagation
B. Tension
C. Compression
D. Shearing
How could you tell whether a given sequence was DNA or mRNA?
Was it easier to decode messages written in DNA or in mRNA sequences?
Which cellular enzymes or machines are you imitating when you "transcribe" DNA into mRNA?
Which cellular enzymes or machines are you imitating when you "translate" mRNA into a chain of amino acids?
What else needs to happen in a eukaryotic cell between the processes of transcription and translation?
In step 5, how did different mutations affect the amino acid sequence that was encoded?
Explain why some single nucleotide mutations affect an amino acid sequence and some single nucleotide mutations do not.
Explain why nucleotide insertions and deletions affect the amino acid sequence so profoundly.
Why could your secret message include only 20 of the 26 letters of the alphabet?
Did you find that it was difficult to work with only these letters?
Answer:
1. You could tell whether a given sequence was DNA or mRNA because of Uracil and Thymine base differences in both
2. Answers may vary up to you, but messages are easier to decode written in DNA
3. You are imitating RNA polymerases.
4. You are imitating RNA polymerase once again
5. The RNA strand is delivered to start the process of translation; RNA>>Protien
6. Different mutations affect different amino acid sequences because they alter the code which makes it un-easy to decode the sequence
7. Some single nucleotide mutations affect an amino acid sequence depending on what mutation it is causing. Some single nucleotide mutations do not do this because they aren't as severe and they don't cause codons to mix up.
Answer:
1
ADNA sequences use the nucleotides A, T, G, and C, while mRNA sequences use the nucleotides A, U, G, and C.
B It was easier to decode the messages written in mRNA sequences because these sequences could be translated directly into the amino acid sequence.
2
A The cellular enzyme that carries out transcription is RNA polymerase.
B The cellular machine that carries out translation is the ribosome, which is composed of both rRNA and ribosomal proteins.
C In a eukaryotic cell, an mRNA transcript often has additional untranslated regions and a poly-A tail. A eukaryotic mRNA transcript would need to be transported from the nucleus to the cytoplasm before it could be translated.
3
A Some amino acids are encoded by several codons. If a single nucleotide mutation still encodes for the same amino acid, the resulting amino acid sequence would not be affected. This happens most often with nucleotides in the third position of a codon.
B If a single nucleotide mutation changes the amino acid encoded, the resulting amino acid sequence would be affected. This happens most often with nucleotides in the first and second positions of a codon.
C Nucleotide insertions and deletions cause frameshift mutations, which change the reading frame of translation and will encode completely different amino acids from that point forward.
4
A There are only 20 canonical amino acids, so the letters B, J, O, U, X, and Z are not used as one-letter codes.
B It was a little difficult to not use the letters B, J, O, U, X, and Z at first, but there are messages to write without these six letters.
Explanation:
What would the possible blood types of a child be if his parents were type AO and type BB? Please give detailed explanation
A person's blood type is determined by the combination of three alleles IA, IB, and i. The possible blood types of the child born from A0 and BB parents are AB and B.
What is the ABO group?
The I gene determines the blood type of a person. This is a triallelic gene that expresses complete dominance and codominance.
Alleles
IA allele is dominant over the i allele. The person presents A type of antigens.IB allele is dominant over i. The person presents B type of antigens.IA and IB alleles express codominance. In this case, the person presents both types of antigens, A and B.i is the recessive allele. The person does not present any antigen.Genotypes and Phenotypes
H0m0zyg0us dominant or heter0zyg0us Individuals IAIA or IAi will express the A blood type.H0m0zyg0us dominant or heter0zyg0us Individuals IBIB or IBi will express the B blood typeIndividuals with h0m0zyg0us recessive genotype ii will express the 0 blood type.Individuals carrying IA and IB alleles will express the AB blood type.Now, in the exposed example
Cross: A0 x BB
Parentals) IAi x IBIB
Gametes) IA i IB IB
Punnett square) IA i
IB IAIB IBi
IB IAIB IBi
F1) 1/2 = 50% of the progeny is expected to be IAIB and have AB blood type
1/2 = 50% of the progeny is expected to be IBi and have B blood type
The possible blood types are AB and B.
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“*•Pls help me!!!•*”
Answer:
Cold weather
Explanation:
Drought, large numbers of plants, and heavy wind are all factors which would cause the further spreading of wildfiresWildfires generally take place in hot, humid, and dry weatherHence, cold weather decreases the magnitude of the wildfireOption 3Answer:
Cold weather
Explanation:
I second the other person, thank you! Have a blessed day <3
name the nucleus of the thalamus for conscious sensation
Explanation:
Relaying limbic sensory and motor signals to the cerebral cortex, Regulating consciousness,sleep, alertnesswhy is it an advantage to move food around your mouth before you swallow it?
Answer:
Because it makes the food more tasty and it's easier to break down the food particles
Explanation:
there's the 5 taste sensory in each part of your tongue and each part of it specializes in a taste, the front of your tongue specializes in sweetness, the middle part of your tongue specializes in saltiness, the upper part of your tongue specializes in sourness and the back part specializes in bitterness.
It also breaks larger particles into smaller particles to reduce the stress of your esophagus.
8. A soft-drink bottle resoNtes as air is blown across its top. What happens to the resoNnce frequency as the level of fluid in the bottle decreases?
state how glucagon and insulin reaches the pancreas?
Answer:
They are released from the beta cells in your pancreas in response to rising glucose in your bloodstream.
After you eat a meal, any carbohydrate you've eaten are broken down into glucose and are passed into the bloodstream. The pancreas detects he rise in the blood glucose and stays to secrete insulin.
A zygote is best described as _____.
A. a complete set of chromosomes
B. a sperm rejected by a hardened egg
C. the first diploid cell after fertilization
D. an egg just before fertilization
PLEASE ANSWER 60 POINTS
Which is an example of genetic drift?
A. Artificial selection creates vegetables resistant to insects.
B. Allele frequencies change randomly each generation.
C. Females choose mates, resulting in large males.
D. Polygenic traits change due to directional selection.
Answer:
Allele frequencies change randomly each generation is the example of genetic drift.
Are shoebills tertiary consumers?
Answer:
Yes, they are!
Explanation:
While inhabiting marshy areas, the Balaeniceps rex is found to be both a secondary and tertiary consumer preying on fish ranging in size from that of Large Mouth Bass to the small Pacific Herring, and other aquatic organisms such as frogs similar to the Red Eyed Tree Frog
What two types of movements do all planets have? What natural phenomena do they cause?
PLS I NEED IT FOR NOW
Answer: Rotation and revolution. Natural phenomena is day/night, seasons changing, tides changing, wind direction, ocean currents, precipitation.
Explanation:
Rotation is when an object spins on its own access, Revolution is when an object orbits or travels in an elliptical around another object. Like the earth revolves around the sun once every 365 days. The earth also rotates once every 24 hours.
For the natural phenomena, when the earth is moving as it does, there is a constant change in everything on the earth. Because of rotation, day and night happens. Because of revolution, seasons change. All of this makes different currents and weather.
Answer:
First question: orbit and spin
Orbit is around the sun, which causes the years to form
Spin is the planet itself, which causes the days to form.
Explanation:
Which of these is a function of the placenta?
A. To carry nutrients to the cells of the uterus
B. To deliver the blastocyst after childbirth
C. To develop into fetal reproductive tissues
D. To carry wastes away from the embryo
5. When people say "eat low on the food chain," what type of food are
they recommended
Is it B or D
Barbie sits on one end of a see-saw and Ken sits on the other. Barbie goes up in the air and Ken stays down on the ground. In order for Ken to make Barbie move down, he should
A)stand on the board.
B)push down on the board.
C)move towards the center.
D)move away from the center.
A famous case study in the united states describes how a very polluted lake was able to be remediated and is now used for recreation by many people which lake was this?
A: Lake lanier in Georgia
B: Lake Washington in Washington
C: Lake Tahoe in Devada
D: Lake Apopka in Florida
Lake Tahoe in Devada suffered from a severe eutrophication damage until control and remediation activities were carried out. Option C is correct.
What is eutrophication?
The term eutrophication refers to the biological process produced in water by an oversupply of nutrients or organic matter.
Human pollutive activities are closely related to this artifical eutrophication and, in several cases, are the cause.
Nutrients, mainly compounded with nitrogen or phosphorous, favor phytoplankton multiplication, especially cyanobacteria. Primary productivity enhances due to the sharp increase in these microscopic organisms.
The overgrowth impedes light reach deeper areas, affecting the biota living there. Sedimentation is caused by the death of plants and algae that sink to the bottom. These sediments rich in organic matter suffer decomposition in the presence of oxygen.
When oxygen disappears, anaerobic bacteria act and produce fermentation.
Both processes, phytoplankton overgrowth on the surface and fermentation on the bottom, originate toxic compounds that damage the animals.
Animals die, creating more sediments in the bottom where there are anaerobic conditions.
Decomposition and fermentation processes increase, producing a bad smell.
This whole cycle continues as long as cyanobacteria are present.
Among the main human activities responsible for eutrophication we can mention tourism, agriculture and the cattle industry, and the lack of controlled organic waste treatment.
This what occurred in the Lake Tahoe, in Devada, after the impact caused by tourism, deforestation, and the cattle industry.
This lake suffered from a severe eutrophication damage until control and remediation activities were carried out.
The correct option is C. Lake Tahoe in Devada.
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How can two organisms have the same phenotype but different genotypes?
A. One organism is heterozygous, and the other organism is hybrid.
B. One organism is homzygous dominant, and the other organism is heterozygous.
C. One organism is homzygous dominant, and the other organism is homzygous recessive.
D. One organism is heterozygous, and the other organism is homzygous recessive.
Two organisms have the same phenotype but different genotypes when One organism is purebred dominant, and the other organism is heterozygous. So, the correct option is B.
What do you mean by Genotype?Genotype may be defined as the ultimate combination of those alleles which are selected for specific studies.
When an allele is dominant over others, its purebred dominant and heterozygous (hybrid) may have different genotypes but the same phenotype.
Therefore, the correct option for this question is B.
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What do we call when there is loss of water from plants surfaces, especially in minute surface pores of stomata in leaves
Where in a plant would you find a fruit?
Is the virus considered a living creature? Justify the answer.
Answer:
Viruses are not living things.
Answer: No.
Explanation:
Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply.
How many ATP are used in the first half of glycolsis
The threshold level for a
neuron to fire is a 10. What will happen if the stimulus to the neuron is 8?
Answer:
The neuron will not fire at all
Explanation:
Which statements describe how systems interact to produce the fight-or-flight response? Select the two correct answers. A The digestive system creates hormones that are sent to the muscular system, resulting in increased blood flow to muscles. B The endocrine system floods the circulatory system with hormones that affect several other body systems. C The muscular system sends receptors to the circulatory system to increase blood pressure and heart rate. D The digestive system interacts with the excretory system, supplying hormones to slow the production of urine. E The endocrine system supplies the lungs with insulin, allowing increased absorption of oxygen. F The circulatory system experiences a change in blood flow, which allows the muscular system to obtain additional glucose.
Answer:
B) The endocrine system floods the circulatory system with hormones that affect several other body systems.
Explanation:
B. What are two reasons that this layer can contain so much water vapor? (2 points)
The two reasons that this layer ( Troposphere ) will contain much water vapor are :
AltitudeAir compressibility The layer of the atmosphere with the most water vaporThe troposphere contains so much of the water vapor present in the atmosphere due to gravity and the compressibility air. As we move higher above the earth surface, the density of the atmosphere decreases rapidly. causing the majority of water vapor to be retained at the troposphere. which is lowest part of the atmosphere closest to the earth surface.
Hence we can conclude that The two reasons that this layer ( Troposphere ) will contain much water vapor are : Altitude and Air compressibility.
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Which of the following is BEST for the environment?
A: Reduce
B: Reuse
C: Recycle
D: Throw away
Answer:
C, recycle, but if I could choose two it would be reuse.
Reasoning:
Reusing things and recycling things are both useful for the community.
Which of the following correctly describes Photosynthesis?
Answer:
Photosynthesis is a plant that uses sunlight, water, and carbon dioxide to make sugar and oxygen.
What happens to an area when there is too much rain or precipitation in that area?
Answer:
Explanation:
DN: When there is more rain than the soil can absorb, water will quickly run off into rivers and creeks to overwhelm culverts and storm drains and cause a flash flood. This depends on several factors including rainfall rate, soil type, terrain, and amount of moisture in the soil.
