Answer:
Atherosclerosis
A student proposes that left-handedness is a recessive trait and is hidden in much of the human population. a survey of his class of 36 students finds that 9 students are left-handed. using the hardy-weinberg formula, what would be the expected allelic and genotypic frequencies in this theoretical population
The frequency of the recessive allele for the left handle will be in this case equal to q^2 = 0.25 >> q = 0.5.
What is the Hardy Weinberg principle?The Hardy Weinberg principle is a model used in population genetics to estimate genotypic and allele frequencies.
The Hardy Weinberg principle states that the sum of the dominant allele and the recessive allele in a population is equal to 1 (p + q = 1).
This principle also states p2 + q2 + 2pq = 1, where p^2 is the dominant homo-zygous allele, 2pq the heterozygous frequency and q^2 the recessive homo-zygous frequency.
In this case, 9 individuals represent 25% (q^2 = 0.25), thereby the feecuency of q is equal to √0.25 = 0.5.
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help please:) biology
An danger
Explanation:
i did it and got it right
name a fat soluble vitamin manufactured by the human body
1: Explain why cellular respiration releases energy as an overall chemical reaction.
2:Explain why the amount of biomass and stored energy is lower at high trophic levels than it is at low trophic levels
Cellular respiration is the metabolic reaction inside the cell to convert chemical energy into ATP. Biomass is the total mass of organisms at a trophic level.
What is exothermic reaction?The type of reaction in which releases energy after its completion.
Cellular respiration releases energy because it is an exothermic process in which energy is released as a by-product of the reaction.Organisms are larger in size at higher trophic levels, but their smaller numbers result in less biomass.Thus, being exothermic in nature, cellular respiration releases energy and because of less numbers, there is less biomass at high trophic levels.
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In a population of short, ground-dwelling animals, some offspring were produced that were approximately 1 cm taller than others in the population. This group was able to reach slightly higher vegetation than the rest of the population. When these animals grew up, they were able to produce more offspring than other animals in the population. This pattern, where the tallest animals were more likely to survive and reproduce, continued over several generations. Eventually, after many generations, all members of the population were at least 20 cm taller than animals of the original population had been. What does this illustrate?
A. Biological change does not apply to ground-dwelling animals. B. Slight differences between parents and offspring can eventually result in future generations that are very different from their ancestors. C. Only major differences between parents and offspring can result in future generations that are very different from their ancestors. D. Ground-dwelling animals would survive better if they evolve to be shorter.
Answer:
B. Slight differences between parents and offspring can eventually result in future generations that are very different from their ancestors.
Explanation:
Seemingly minor mutations that increase a species' ability to survive will likely be spread over many generations, and can eventually cause major differences between generations.
which of the following is NOT true about the nature of light
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The incorrect choice is D. Light has a constant speed of 300,000,000 m/s in any medium.
Actually, wave speed differs from one medium through another, since wave speed is a property that depends on medium in which a wave is propagating. so we can say that it's speed varies from medium to medium.
The first step in choosing the correct digestive endoscopic procedure code is to identify the of the ________ procedure.
Answer: The first step in choosing the correct digestive endoscopic procedure is to identify the extent of the procedure.
__________ helps organisms transport nutrients. a. soil b. sap c. water d. wind please select the best answer from the choices provided a b c d
Answer:
A
Explanation:
Suppose the climate in a specific location becomes warmer. What are two things that might happen to a mammal species with a thick fur coat that lives in this location?
The two things that might happen to a mammal species with a thick fur coat that lives in this location are migration and change in their surroundings.
How do the birds and animals respond to the call of winter?By moving from cold areas to warmer ones, animals are able to find food origins that are otherwise elusive during the winter months.
Birds migrate, but some mammals do, too - bats, elk, caribou and even some whales follow the weather to find warm winter quarters.
Thus, The two things that might happen to a mammal species with a thick fur coat that lives in this location are migration and change in their surroundings.
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Which tools do meteorologists use to help create weather forecasts? select three options. guesses computer models weather service maps data from instruments personal observations
Meteorologists are person specialized to use scientific principal to forecast Earth's atmosphere. They use weather service maps, data from instruments and personal observations.
What are Meteorologists ?A meteorologist is person who applies scientific principles to explain and forecast the changes occurring in an Earth's atmosphere.
They also find out the way of changes in the Earth's atmosphere affecting the climate and the life of the organisms.
Meteorologists are able to predict the changes in the atmosphere by weather service maps, data from the instruments and from the personal observations.
Thus, the correct options are weather service maps, data from the instruments and from the personal observations.
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What would happen to our calendar of Earth revolves around the Sun about every 365 1/4 days?
Answer:
The Earth orbits the sun every 365.2422 days (0.2422 days is equal to 5 hours, 48 minutes and 46 seconds, roughly 1/4 of a day). Every 365 1/4 days (not exactly 365 days), the Earth returns to the same exact spot in its orbit.
Which tab on the Excel Ribbon contains the function library?
Question 7 options:
Formulas
Home
Page Layout
Insert
Answer:
Formulas
Explanation:
The tab on the Excel Ribbon contains the function library, in the formula tab. The correct option is a.
What are ribbons and tabs in Excel?A ribbon is a group of toolbars found at the top of the window in Office products that are meant to make it easier for you to find the commands you require to finish a task. In the document's upper right corner, click the Ribbon Display Options icon.
The Minimize icon is to the left of it. To display the Ribbon with all tabs and all commands, select Show Tabs and Commands from the menu that appears. The default view is this selection.
The formula tab is used to add functions, outline names, create names, review formulas, and other things. The Ribbon's Formulas tab contains essential and extremely practical features for creating dynamic reports.
Therefore, the correct option is a. Formulas.
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The question is incomplete. The complete question is given below:
Which tab on the Excel Ribbon contains the function library?
a. Formulas
b. Home
c. Layout
d. Insert
How and why might the R0 value change over time during an outbreak? pls help
Answer:
Vaccinations
Explanation:
For example, if a disease has an R0 of 18, a person who has the disease will transmit it to an average of 18 other people. That replication will continue if no one has been vaccinated against the disease or is already immune to it in their community. So if you have (for example) a vaccination then you're less likely to get it, resulting in a lower R0
hello guys
i have a trivia about the bermuda triangle
who ever answer it first right ill make it brainliest
questions:
1.Name the first man who discover bermuda
2.What year did he discover it
3.did he came back safely?
Christopher Columbus was the earliest to have noticed the bermuda Triangle
1492
Yes he did as he wasn't aiming to visit the bermuda triangle.
Help ASAP ASAP
Which system warns residents of tsunamis?
15 PTS
The Tsunami Warning System
The Ring of Fire Alert System
The Earthquake Warning System
The Pacific Warning System
Answer:
The Tsunami Warning System
Explanation:
This includes monitoring for tsunamis and the earthquakes that cause them to provide timely and accurate tsunami messages.
24. Explain what a DNA probe is and how it could be used to identify a person who carries an allele for a genetic disorder.
Explanation:
DNA probes are stretches of single-stranded DNA used to detect the presence of complementary nucleic acid sequences (target sequences) by hybridization. DNA probes are usually labelled, for example with radioisotopes, epitopes, biotin or fluorophores to enable their detection.
Laboratory tests, including genetic testing: Molecular, chromosomal, and biochemical genetic or genomic testing are used to diagnose genetic disorders. Other laboratory tests that measure the levels of certain substances in blood and urine can also help suggest a diagnosis.
help me please with this question, also explanation
Answer:
okay so the answer is C this is because the triplet found on tRNA is anticodons not codons. please. rate. me. brainliest
Question 2 of 35
The rock shown below was formed when small particles
were deposited in the water and then pressed together
over time. It contains small bits of the remains of sea
animals.
Which type of rock is this?
Sorry, I'm not sure.
I would suggest asking a trusted adult or teacher or redoing the lesson. Cheating isn't a good path: you will not do well in the future if you always search for answers on the internet.
As frog embryo develops in its egg, its cells divide.
Which term best describes the structure that is replicated during this cell division?
mitochondria
nuclei
chloroplast
cell wall
Answer:
In the frog tadpole the cartilage cells increase by mitotic division of the fully-formed and functional cell: in addition there are centers of proliferation consisting of small. rapidly-dividin$ cells.
What does the finch teach Darwin?
Answer:
evolu- tionary questions aboutadaptation and the multiplication of species: how these processes happen and how to interpret them.
Explanation:
Darwin's finches are particularly suitable for asking evolu- tionary questions aboutadaptation and the multiplication of species: how these processes happen and how to interpret them. All species of Darwin's finches are closely related, having derived recently (in geological terms) from a common ancestor.
why it unsparing that coral bleaching can occur with water as well as warm
Answer:
Warmer water temperatures can result in coral bleaching. When water is too warm, corals will expel the algae (zooxanthellae) living in their tissues causing the coral to turn completely white. This is called coral bleaching.
Explanation:
the diagram shows a beaker of water and molecules of red dye at the beginning of an experiment (time 1) and the same beaker of water and molecules of red dye after 30 minutes (time 2) which of the following best explains what happened?
a- molecules of red dye moved by diffusion from a higher concentration to a lower concentration
b- molecules of red dye moved by active transport from a higher concentration to a lower concentration
c- molecules of water moved by osmosis from a higher concentration to a lower concentration
d- molecules of water moved by active transport from a higher concentration to a lower concentration
Answer:
The answer is A. I seen it on Quiziz.
Explanation:
The diagram shows that the molecules of red dye moved by diffusion from a higher concentration to a lower concentration in a beaker of water.
What is diffusion?"It is a phenomenon in which a solute moves from its region of higher concentration to a region of lower concentration."It works towards the concentration gradient."Concentration gradient means difference in the amount of solute present in two areas."What do you mean by concentration?"The amount of solute present in a mixture is called concentration."When a dye is put in a beaker of water, it gets evenly distributed through diffusion.
Hence, the correct option is a. molecules of red dye moved by diffusion from a higher concentration to a lower concentration.
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During which life stage does a caterpillar create its chrysalis?.
Answer:
Pupa stage
Explanation:
When it has eaten enough, it will start to make its chrysalis It would hang on a branch that would Be suitable But the character is still alive eventually after a long time in there, it'll soon mutate into a butterfly, and it'll still be alive And then it'll Eggs Starting over again.
Please help me on this is so confusing
A: December
B: march
C: June
D:September
Answer:
i think its december because the left side is shadowed because of the sun.
Hope it helps!
Some snail species' shells can have right-handed direction of shell coiling or left-handed direction of shell coiling. The direction of coiling depends on a protein deposited by the mother in the egg cytoplasm with DD and Dd mothers depositing a protein that directs right-handed direction of coiling in shells. If Dd egg-producing snail and a dd sperm-producing snail mate what genotype(s) and phenotype(s) of offspring will result
The cross between Dd egg-snail and a dd s snail mate will result in snails with genotype 1/2 Dd:1/2 dd and phenotype all right-coiling.
What is a genotype?The genotype refers to the allele combinations that can be found for one or more loci in an individual.
The phenotype refers to how the genes and alleles interact to produce a physical trait in an organism.
In this case, one parent can produce two types of gametes (D and d), whereas the other parent can only produce d gametes.
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If flying squirrels were brought to australia, what do you predict would happen?.
Answer:
they would die
Explanation:
they would propadly die because they need big, not too warm forests and that is not in Australia
What hormone, produced in the anterior pituitary gland, works in conjunction with gonadal steroids to promote bone development in males?.
The hormone that's produced in the anterior pituitary gland, and works in conjunction with gonadal steroids is the Luteinizing hormone.
What hormone, produced in the anterior pituitary gland, works in conjunction with gonadal steroids to promote bone development in males?Generally, Hormones are chemical messengers in your body. They circulate via the circulation to tissues or organs.
In conclusion, the Luteinizing hormone produces in the anterior pituitary gland.
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How does fresh water differ from coal as a resource? coal replenishes quickly, while fresh water does not. fresh water is an artificial resource, while coal is a natural resource. coal is a clean resource , while fresh water is dirty. fresh water is a renewable resource, while coal is a nonrenewable resource.
Renewable resources are the resources which can never be exhausted. The difference between fresh water and coal is that, fresh water is a renewable resource, while coal is a nonrenewable resource.
What are the types of natural resources?Natural resources are materials that people utilize from the Earth.
Generally, resources can be grouped under two categories, i.e. renewable and nonrenewable resources.
Renewable resources: The resources that can be grown again or in other words the resources that can never be exhausted are called renewable resources. Examples solar energy, fresh water, trees, etc.Non-renewable resources: These resources are present in a fixed amount in environment or one can say that these can never be replenished if exhausted once. Example coal, oil, fossil fuels, etc.Thus, the correct option is D.
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Answer:
D
Explanation:
Which two organisms in the food web break down matter from dead plants and animals?
1. Grasshopper
2. Grass
3. Duck
4. Ant
5. Lizard
6. Frog
7. Tadpole
8. Snake
9. Sunlight
10. Algae
11. Decayed
12. Matter
13. Bacteria
14. Earthworm
Answer:
bacteria and earth worm
Explanation:
a food web in which the dead plants and animals are fed on comprises of detritus feeders
the detritus feeders allow continuous flow of energy in the web
earthworms and bacteria are detritus feeders that feed on organic waste.
If plasma accounts for 55% of the blood volume and plasma is 90% water, how many gallons of
water could be extracted from an adult female's blood?
About 45% of the various blood cell types and about 55% of blood plasma make up blood. A pale yellow, slightly hazy liquid blood plasma. Water makes up more than 90% of blood plasma and less than 10%
What is plasma used for in the body?
Your blood's liquid portion, called plasma, makes up 55% of the total volume of your plasma. Plasma circulates throughout the circulatory system and is required for your body to heal from wounds, supply nutrients, remove waste, and prevent infection.
Where can you find plasma?
The majority of your blood is plasma. It accounts for more than half (about 55%) of the entire material. Plasma is a pale yellow liquid that forms when the blood is separated from the rest of it. Plasma transports water.
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