Answer:
The correct option is;
To wear a protective vest
Explanation:
X-rays are an invisible high energy electromagnetic radiation that penetrates of travels through an objects when incident on the object rather than being reflected like visible light
X-rays are ionizing radiation that result in the electrons being ejected from atoms to form a positively charged ion, which in living cells can result in the damage of the DNA
The method used to reduce exposure to X-rays are;
1) To limit the time of exposure
2) To increase the distance between people and the X-ray source
3) To provide a shield between people and the source of the X-ray
Therefore, the correct option is to wear a protective vest.
While working with x rays the person ought to wear a very thick protective material such as a protective vest.
X-rays are part of the electromagnetic spectrum. They are high energy rays which are known to be highly ionizing and can pass through may objects. In order to work with X-rays, a person must be properly protected.
While working with x rays, the person ought to wear a very thick protective material such as a protective vest which is able to prevent the X rays from passing into the body.
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Identify which type of natural selection is described in each case below,
Results in the evolution of the species:
Results in new species
Favors traits at the two extremes:
No increase in diversity
One extreme trait is favored
Diversity decreases:
Diversity increases
DONE
Intro
Answer:
Results in the evolution of the species: Directional selection
Results in a new species: Disruptive selection
Favors traits at the two extreme: Disruptive selection
No increase in diversity: Stabilizing selection
One extreme trait is favored: Directional selection
Diversity decreases: Stabilizing selection
Diversity increase: Disruptive selection
Explanation:
Natural selection changes the allele frequency of a gene that produces an inheritable trait
The type of natural selection that takes place can be grouped into three categories based on their effect on allele frequencies including;
Directional selection
Stabilizing selection
Disruptive selection
In directional selection, a particular allele that has a higher fitness naturally increases its frequency in the population such. The process of directional selection is able to progress directionally so as to spread to the entire population
Stabilizing selection involves the reduction of the allele that has a cancelling effect on the desired phenotype and that can result the production of organisms with a fitness reduction. The stabilizing selection process can continue until the elimination of the deleterious allele from within the population
The disruptive selection process takes place between the the period of transition resulting in the alteration of the trait in in more directions than one.
Answer:
Results in the evolution of the species: Directional selection
Results in a new species: Disruptive selection
Favors traits at the two extreme: Disruptive selection
No increase in diversity: Stabilizing selection
One extreme trait is favored: Directional selection
Diversity decreases: Stabilizing selection
Diversity increase: Disruptive selection
Explanation:
Just got it right on edge 2021
Consider the formula for glucose: C6H1206. In the processes of photosynthesis, what supplies the hydrogen (H) used
in the formation of glucose?
Olight energy
carbon dioxide
O chlorophyll
water
In the process of photosynthesis, water H₂O supplies the hydrogen(H) used in the formation of glucose.
What happens during photosynthesis?Photosynthesis is a metabolic process carried out by certain cells of autotrophic organisms, that is, those that have the capacity to make their own food, such as plants.
With this process, plants capture the energy of sunlight and transform it into chemical energy, to produce organic matter(glucose).
Overall reaction during photosynthesis:
6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂
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Esther feels an itch simultaneously deep in her ears and right above her soft palate. If
the itch were caused by an actual irritation to the body part there, where is she feeling
the urge to scratch?
laryngopharynx
O oropharynx
nasopharynx
O sinopharynx
Answer:
laryngophrynx
Explanation:
Which action can humans take to reduce wave erosion?
O build drainage systems
O build houses near coastlines
O build breakwaters in the ocean
O reduce vegetation along coastlines
Answer:
C, Build Breakwaters In The Ocean.
Explanation:
The action that can humans take in order to reduce wave erosion is the building of breakwaters in the ocean. Thus, the correct option is C.
What is Wave erosion?Wave erosion may be defined as the process that may significantly lead to the displacement of land, and the long-term elimination of sediment and rocks along the coastline due to the effective action of waves, currents, tides, wind-driven water, and waterborne ice, or other impacts of storms.
Wave erosion is a problem that may impact aquatic organisms as well. So, in order to reduce such kind of problem, human needs to construct or build breakwaters in the ocean.
The construction of breakwaters in the ocean reduces the loss of land as well as the long-term removal of sediments and rocks.
Therefore, the action that can humans take in order to reduce wave erosion is the building of breakwaters in the ocean. Thus, the correct option is C.
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The lock-and-key analogy is used to describe the Group of answer choices binding of G proteins to transmitter receptors. activation of the nerve impulse. action of transmitter molecules on receptor proteins. degradation of transmitter molecules by enzymes.
Answer:
The correct option is the degradation of the transmitter molecules by enzymes.
Explanation:
The key lock system is a type of enzymatic catalysis / anabolization, and is so called because the enzyme that reacts with its substrate is in the male-female or key lock format.
Enzymes can also react by other mechanisms, but this is known for the perfect fit of the substrate with the binding site, since one represents the negative of the other, once joined and the reaction started, the active site is occupied and the enzyme is not reacts with another substrate simultaneously to that one.
Pick one of your concerns. Can you think of two possible ways a conservationist could address this concern to minimize the risk to biodiversity? You may conduct your own research using credible resources to help formulate your answer.
Answer:
I’m going to focus on the risk of fish getting sucked into the dam. My research showed that this is a problem. Fortunately, there are a few ways that this problem can be minimized. One solution is the building of a fish passage, which helps the fish migrate around the dam so they can reach spawning areas. The other solution is to work with the dam’s engineers and owners to construct a dam to minimize the risk to fish. We’d also make a plan for the safe release of the fish.
Explanation:
Answer:
I'm going to concentrate on the possibility of fish being drawn into the dam. I found that this is a problem in my research. Fortunately, there are a few approaches that may be taken to lessen this issue. The construction of a fish tunnel, which aids fish migration around the dam so they can access spawning sites, is one remedy. The other option is to build a dam in collaboration with the owners and engineers of the dam to reduce the risk to fish. We would also devise a strategy for the fish's secure release.
Explanation: Paraphrased on Quillbot on standard mode
what is not a feature of natural selection
a) competition for resources
b) production of many offspring
c) selection by humans
d) variation within the population
Answer:
C
Explanation:
Selection by human is defiantly not natural selection. Selection by human is called selective breeding which is when two different breeds are put together to produce an offspring with special characteristics.
Hope it helps.
Briefly describe two ways in which the Hardy-Weinberg equation can be used to get information about a population.
Answer:
The Hardy-Weinberg equation can be used to gather valuable information about a population in the following two ways:
1) Estimating allele frequencies: The Hardy-Weinberg equation allows scientists to estimate the frequency of specific alleles within a population. By comparing the observed frequencies with those predicted by the equation, researchers can determine if the population is in genetic equilibrium, meaning that the allele frequencies are stable and not evolving over time.
2) Identifying evolutionary forces: If a population deviates from the expected Hardy-Weinberg equilibrium, it suggests that one or more evolutionary forces, such as natural selection, genetic drift, gene flow, or mutation, are at play. By analyzing these deviations, scientists can gain insights into the factors influencing the genetic makeup of the population and better understand the evolutionary processes driving changes in the population's gene pool.
Explanation:
two evidences that shows that gas molecules flow faster than liquid molecules
Answer:
gases can spread into air qiuckly and don't stay as close as liquid particles do.these are the 2 evidence thet show that gas molecules flow faster and liquid molecules.
What impact did Suleyman I have on the Ottoman Empire?
He ended Mughal rule.
He introduced Hinduism.
He created a new legal system.
He enacted strict religious taxes.
Answer:
He created a new legal system.
Explanation:
Sultan Suleiman I of the Ottoman Empire was characterized by a lot of successes which includes the progress of the nation in terms of being a strong power in warfare and trade. He ensured there was an increase in revenue and effective usage of it in the Empire. Islam was the prevalent religion also and there wasn’t introduction of Hinduism.
He also ensured that there was the use of an accepted centralized legal system for the Ottoman Empire which validates the use of a new legal system.
Answer:
He created a new legal system.
Explanation:
took the test and got a 100%
Most of the cells in the human body are _____.
Answer:
RBC's?
Explanation:
I'm not sure if this is what is being asked but red blood cells made up about 80% of all of the cells in the human body. I hope this is what you need:)
Answer:
Red Blood Cells
Explanation:
These cells make up approximately 80% of the cells in the human body.I hope this helps:)
what do we call the chemical substances necessary for an organism to sustain life A. energies B. nutrients C. supplements
Answer:
B. nutrients
Explanation:
Nutrients are chemicals present in all living things on Earth. They are essential for the lives of humans, plants, animals ,and all other species. Nutrients help remove food that provides energy to the species. Carbon, hydrogen and oxygen are the most essential nutrients which they need.
Hence, option B is correct as it is necessary for sustain the life of an organism
Answer: B.
Explanation: Nutrients are chemical substances found in every living thing on Earth. They are necessary to the lives of people, plants, animals, and all other organisms. Nutrients help break down food to give organisms energy. The most important nutrients they need are carbon, hydrogen, and oxygen.
Major league baseball has had 11 different single-season home run records since 1876. The records are 5, 9, 14, 27, 29, 54, 59, 60, 61, 70, and 73. Which box-and-whisker plot accurately shows these results?
Answer:
Option C
Explanation:
The question lacks the required option. Find the options in the attachments.
It can be seen that on each box plots, 5 different points are plotted. To determine which box plot correctly fits the dataset, we need to confirm if each points corresponds to what they stands for.
The first point on the box plot will be the lowest value in the dataset after rearrangement. i.e 5
The second point represents the first quartile. To get the first quartile, we need to locate the (N+1)/4 th value in the dataset.
N is the total number in the dataset = 11
First quartile Q1 = 11+1/4 = 12/4 = 3
We are to locate the third value in the data set, and the third value is 14, our first quartile value = 14
The next value is the median Q2 = N+1/2 th value.
Q2 = 11+1/2 = 12/2
Q2 = 6th value
Median = sixth value in the dataset = 54
For the third quartile Q3 = 3(N+1)/4 th value
Q3 = 3(11+1)/4
Q3 = 3(12)/4
Q3 = 36/4 = 9th value
The third quartile = 61
Greatest value in the dataset = 73
Since we know the lowest value, the first quartile, median, third quartile and the greatest number of the dataset, then we need to locate the box plot that correctly plots this points on the box.
The given points [5, 14, 54, 61, 73] must corresponds to the plotted points.
Based to the values gotten, it can be seen that only the third box plot correctly shows this results.
Hence, option C is correct.
Which is not likely to be studied by a biologist?
Answer:
there are many things that are not studied by biologist such as physics, figuring out new elements
Explanation:
biologists are people that study peoples life
Answer:
clouds
Explanation:
List the four DNA bases and the
letter that stands for each onE
Answer:
The four nitrogenous bases are A, T, C, and G. They stand for adenine, thymine, cytosine, and guanine.
Explanation:
What is the purpose of using reverse transcription
Answer:
reverse transcriptase (RT) is an enzymeused to generate complementary DNA (cDNA) from an RNA template, a process termed reverse transcription. Reverse transcriptases are used by retroviruses to replicate their genomes, by retrotransposon mobile genetic elements to proliferate within the host genome, by eukaryotic cells to extend the telomeres at the ends of their linear chromosomes, and by some non-retroviruses such as the hepatitis B virus, a member of the Hepadnaviridae.
Explanation:
brainliest appreciated
Which of the following describes the function of carbohydrates? A. Carbohydrates store hereditary information. B. Carbohydrates help leaves absorb the sun's energy. C. Carbohydrates surround and protect internal organs. D. Carbohydrates store energy in their bonds.
Answer:D. Carbohydrates store energy in their bonds
Explanation:
The C—H bonds found in carbohydrates store energy
Answer:
D
Explanation:
AP3X
Humans can see the star Polaris from Earth.
It appears to move during different times of the year.
Explain why Polaris appears to move.
Answer:
Polaris could be a name for any North Star. ... All of these stars are moving through space, but they're so far away we can't easily see them move relative to each other. That's why the stars appear fixed relative to each other. And it's why, for the most part, we see the same constellations as our ancestors
Which determines the reactivity of an alkali metal?
A) its boiling and melting points
B) the shininess of its surface
C) the number of protons it has
D) its ability to lose electrons
Answer:
d
Explanation:
why people cannot live on neptune two reson ?
Answer:
The inside of Neptune is very cold, which is about -214 degrees. Hence, no microorganisms could live there. Overall, the environment of Neptune sounds very unfriendly to life as we know it on earth.
which structure inside the cell holds the digestive enyzmes that break down carbohydrates?
Answer:
Lysosomes
Explanation:
Lysosomes are membrane-bound organelles that contain digestive enzymes that break down proteins, lipids, carbohydrates, and nucleic acids. They are important in processing the contents of vesicles taken in from outside the cell.
Apple maggots are a type of fly native to North America. Prior to the introduction of the apple tree to North America, apple maggots fed from and laid their eggs on hawthorn trees. After apple trees were introduced, some apple maggots began feeding from and laying their eggs on apple trees. Adult apple maggots will only mate on the type of tree on which they were born. What is the most likely consequence of the introduction of apple trees to apple maggots
Answer:
B
Explanation:
Populations of apple maggots that mate on different trees could become reproductively isolated and eventually speciate.
Answer:
The correct answer is option B
The population of maggots on the apple tree (apple maggot) that will mate on different trees could become reproductively isolated due to different habitat (ecological isolation).
Ecological isolation causes speciation by creating reproductive barriers between populations due to different habitats.The maggot populations will mate on different trees and will eventually speciate over a period of time.
A plant stores 3000 Joules of energy into an apple. If a pig eats the apple, then a human eats the pig, how much of the apple’s energy does the human incorporate into their body? A. 3000 Joules B. 30 Joules C. 750 Joules D. 3 Joules
According to the 10% law of the ecosystem, human will have 30 Joules of energy out of 3000 joules from apple. Thus option B is correct.
What is the 10% law of the ecosystem?In the food chain, at each trophic level, 90% of the energy from food is used up in metabolism or released as heat while only 10% is transferred to the next trophic level.
So 10% of 3000 joules of energy from an apple will be transferred to the pig which is 300 joules and the pig will give 10% of 300 joules to the human which is 30 Joules. So option B is correct.
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Can someone please help me
Answer:
Trypsin
Explanation:
Rennin has an optimum pH of 3.4.
Pepsin has an optimum pH of 2.0.
Trypsin has an optimum pH of 7.5.
Salivary amylase has an optimum pH of 6.5.
Enzyme Y is Trypsin.
Assignment: 02.03 Oceans Impact on Weather
You mix activated yeast with different carbohydrates and measure the CO2 production over a time span of 10 minutes for each type of carbohydrate. Is this experiment a qualitative analysis or a quantitative analysis
Answer:
quantitative analysis
Explanation:
Qualitative analysis refers to quality whereas quatitative analysis refers to the amount or quantity. In this experiment, we see how much carbondioxide gas is produced after the use of different carbohydrates given to the yeast. In this experiment, we want to know the concentration of the product in the reaction not the quality so we can say that this experiment shows quantitative analysis as compared to qualitative analysis.
which process pertains to cellular respiration A. captures energy B. releases oxygen C. only carried out by producers D. releases carbon dioxide
Answer:
D. releases carbon dioxide.
Explanation:
When can exponential growth occur in a population?
Which renewable resource is used MOST in all sectors of the economy? A. wind B. hydropower C. solar D. biomass
Hey Mate!!
Your answer is C. Solar.
♡ Good Luck ♡
By ☆ Itsbrazts ☆
Answer:
B.
Explanation:
Hydropower.
Solar panels are expensive, biomass takes a lot of work, and wind turbines aren't very popular. Water-run power engines are very common throuought the world and are very effective.
Hope this helped and good luck! :)
Which is a negative effect of rising ocean temperatures?
the drying out of fertile land and the formation of dust bowls
o the flooding of low-lying coastal areas
O the faster evaporation of water in the soil
O the decreased frequency of major storms
The branch of biology which deals with the study of oceanic water is called oceanology.
The correct answer is B.
The level of the ocean is rising every day due to increases in earth temperature due to excess emissions of carbon dioxide.
The rise of carbon dioxide will lead to increases in temperature that melt the ice. The melting of ice increases the sea level which is dangerous to the coastal or those areas that live near the ocean and might get sunk.
Hence, the correct answer is B that is the flooding of low-lying coastal areas
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Answer:
B the flooding of low lying coastal areas
Explanation: taking the test got it right