Answer:
The frequency of the non-taster phenotype among people of European descent is 49% or 0.49
Explanation:
Let us assume that the allele for tasting PTC is T, while that for not tasting PTC is t.
According to the Hardy-Weinberg equation : p² + 2pq + q² = 1
Also p + q = 1
Where p² is the frequency of individuals with the TT genotype for tasting PTC,; wow is the frequency of individuals with the heterozygous allele for tasting PTC, while q² is the frequency of the individuals with tt genotype expressed as the non-taster phenotype since the allele for tasting is dominant over that of the non-taster.
From the information provided 51% of people of European descent are tasters. Also, tasting PTC is dominant over non-tasting. This implies that individuals with TT genotype and Tt genotype will be phenotypically expressed as tasters.
Therefore p² + 2pq = 51% or 0.51
q² = 1 - p² + 2pq
q² = 1 - 0.51
q² = 0.49 or 49%
The frequency of the non-taster phenotype among people of European descent is 49% or 0.49
HELP PLSSSSSSSSSssssssss
what is the powerhouse of the cell. i give brainliest
Answer:
mitochondrion
Mitochondria generate most of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy. A mitochondrion is thus termed the powerhouse of the cell. Mitochondria are commonly between 0.75 and 3 μm ² in area but vary considerably in size and structure. Unless specifically stained, they are not visible.
Explanation:
Please mark Brainliest, it really helps.
Answer:
mitochondria, the power house of the cell.
Explanation:
i an Superior to all.
Jennifer observes a weather map showing tomorrow's weather. She predicts that air will travel from the low pressure system to the high pressure system, causing wind. The wind will carry moisture since it is coming from the ocean. Choose the statement which corrects the error(s) in Jennifer's prediction. (2 points)The wind from the ocean will not carry moisture.
The wind will travel from the high pressure system to the low pressure system.
Since the low pressure system is not over land, wind will not be created.
Wind is only created when two high pressure systems meet.
Answer:
Jennifer observes a weather map showing tomorrow's weather. She predicts that air will travel from the high pressure system to the low pressure system, causing wind. The wind will carry moisture since it is coming from the ocean.
Explanation:
Winds refers to the movement of air which are produced due to differences in air pressure.
These pressure differences are to uneven heating of the earth by the sun. Due to the uneven shape of the earth, regions around the equator receive a fairly consistent heating from the Sun. However, with increase in latitude north and south, there is more uneven heating of the earth's surface by the Sun. When air is heated, warm air rises up to the atmosphere. This produces a pressure difference and subsequently cold air sinks downward to replace it. This constant air movement results in winds. The winds generated moves from a high pressure system to a low pressure system. The greater the pressure difference, the greater the wind force.
When warm air from land rises, air from the ocean in to replace it. The wind coming from the ocean is moisture-laden, and results in precipation on land.
Answer:a
Explanation:
Which area is indicated in the diagram below? (5 points)
Answer:
A
Explanation:
its in the middle
I NEEEDDD HELPPPPPPP
Answer:
25% red, 50% pink, 25% white
Wind occurs when air masses move from one place to another. What causes the movement of air masses?
A. the position of the moon
B. the heating of the air
C. the rotation of Earth
D. the condensation of air
6. Contractions of the myocardium pump __________________ through the circulatory system.
Answer:
blood
Explanation:
Contractions of the myocardium pump blood through the circulatory system.
are controlled by the genes made up of DNA located on the chromosomes. (thread-like strands) containing genetic material are located in the for the cell. The chromosomes is divided into small sections called The genes consist of a long strand of The DNA contains the blueprint for how the organism and functions (traits)
Answer:
Traits.
Explanation:
Traits in an organism are controlled by the genes. These genes are made up of DNA that is responsible for the unique appearance of the organisms. Some organisms are different from one another because of the DNA that helps the to perform different functions. In the DNA, all information is present about form and structure of the organisms so that's why we can say that traits or characteristics are controlled by genes.
how does the ear function as a sense of "sight" for the blind?
Answer:
Neural scanning shows that even when only abstract sounds are used, the brain engages the visual cortex to build up an audio image. By learning the audio language, users can make their way around obstacles or identify and grasp nearby items.
The ear is not commonly thought of as a sense of "sight" for the blind, but some assistive technologies do use auditory cues to help people with vision impairments navigate and understand their environment.
What is echolocation?Echolocation is the ability of certain animals, such as bats, dolphins, and certain species of birds, to locate objects and navigate through their environment by producing sounds and listening to the echoes that are reflected back. These animals emit high-pitched sounds, such as clicks or whistles, and then use the echoes of these sounds to determine the distance, direction, and shape of objects around them.
The ability to echolocate is made possible by specialized structures in the animals' ears and brains that are able to detect, process, and analyze the echoes. In bats, for example, the larynx is modified to produce a variety of calls, while the ears are highly sensitive and specialized to pick up the echoes of these calls. Similarly, dolphins have a complex system of air spaces in their head, which they use to emit and detect sounds, as well as specialized neurons in their brain that can process the information gathered by echolocation.
Echolocation is an incredibly sophisticated and efficient system, allowing animals to navigate in complete darkness and through complex environments, and to locate and track prey even in the open ocean or in the dark.
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Name two objects or products you use that likely
contain micro-organisms.
Answer:
Cheese
Bread
Pickles
Olives
Which is not a function of the respiratory system? A. It warms air entering the body. B. It exchanges oxygen and carbon dioxide. C. It pumps blood to the organs.
Answer:
A. It warms air entering the body.
Explanation:
The respiratory system functions the organs and breathing. B tells you that it exchanges oxygen and carbon dioxide, which is functioning breathing. C is pumping blood into the organs, which is part of the respiratory system.
Hope this helped! :3
What is the breaking up of fat called?
1 conversion
2 emulsification
3 digestion
4 chemical digestion
Which of the following is an example of a trace fossil?
fossilized teeth
fossilized dung
fossilized bone
cast of a shell
Answer:
B. Fossilized dung
Explanation:
Trace fossil- a fossil of a footprint, trail, burrow, or other trace of an animal rather than of the animal itself.
1If you have 52.4 grams of hydrogen and 52.4 grams of helium, which one has a greater mass ? Why ?
Answer:
Hydrogen.
Explanation:
Hydrogen has greater mass and it's bigger than helium because as we move from left to right on the periodic table, atomic size decreases. Hydrogen atom is normally signified than H2 which is bigger than an atom of helium.
Also hydrogen has an atomic radius of 53pm while Helium has an atomic radius of 31 pm. Therefore the mass of helium is smaller than that of hydrogen.
In the leaf cells of a plant, enzymes control the rate at which carbon dioxide is converted into glucose. Which environmental factor would MOST affect the action of the enzyme?
Answer: The environmental factor that would most affect the action of enzymes in the conversion of carbon dioxide into glucose (photosynthesis ) is the light.
PHOTOSYNTHESIS - Photosynthesis is a process by which plants and other organisms convert light energy into chemical energy, which is then released to fuel the organism's metabolic activities through cellular respiration. Carbohydrate molecules, such as sugars, store this chemical energy, which is created from carbon dioxide and water.
The first photosynthetic species most likely arose early in the evolution of life and used reducing agents such as hydrogen or hydrogen sulfide as electron sources rather than water. In the process of carbon fixation, carbon dioxide is transformed into sugars; photosynthesis uses energy from the sun to turn carbon dioxide into carbohydrate. Carbon fixation is a redox reaction that is endothermic. Photosynthesis is the oxidation of carbohydrate or other nutrients to carbon dioxide, while cellular respiration is the reduction of carbon dioxide to carbohydrate. Carbohydrates, amino acids, and fatty acids are nutrients involved in cellular respiration.
Which one is the answer
Answer:
I think so the answer is d
Using the diagram below, answer the following questions:
- True or False. The arrow labeled C represents a transfer of chemical energy to mechanical energy. Explain why this is true or false.
- True or False. The arrow labeled A represents a transfer of solar energy to chemical energy. Explain why this is true or false.
- Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?
- Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes you selected.
- Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer.
Answer:
FALSE. The factory uses mechanical energy and when carbon is released into the atmosphere it is the process of chemical energy. ... Arrows C + F represent a release of carbon dioxide. Arrow C shows carbon being released into the air from the factory.Its true because the arrow letter A uses the of solar power from the sun then makes a chemical reaction to make food for the plant so basically photosynthesis. 8.arrow E represents cycling of carbon from living organisms to non-living organisms. this is because it is showing conversion of a carbon from the dead tree to fossil fuel.All the arrows in a combined form are used to show the biogeochemical cycle or the carbon cycle. In this cycle, carbon is cycled between the biotic and abiotic component of the biome. In any biogeochemical cycle, mas and energy are always conserved.Which natural resource is nonrenewable?
geothermal
corn
coal
hydroelectricWhich natural resource is nonrenewable?
geothermal
corn
coal
hydroelectric
If the moon is half full on May 15, on approximately
what date will it next become full?
O A. June 13
O B. June 29
O C. July 7
O D. May 22
Question 1 (2 points)
(04.02 LC)
Which of the following describes an element? (2 points)
a
Matter made up of only one type of atom
Ob
A substance made of two or more types of atoms
Ос
Two or more types of atoms chemically bonded together
Od
Two or more types of atoms that are not chemically bonded
Answer:
Two or more types of atoms chemically bonded together
Explanation:
Hope this helps
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It's hard to believe that forces and energies in space have an impact of events here on Earth. Scientists believe that the Sun is a huge influence on our planet. They have evidence to support their theories.
Can you pick out the statements that are true; statements that support the influence of the Sun on the Earth?
Spring tides are the largest tides due to the combined influence of the Sun and the Moon.
The sunspot cycle results in ice ages on Earth.
Solar flares disturb some radio communications here on Earth.
Geomagnetic storms on the Sun can damage to Earth-orbiting satellites.
The Sun's gravity is responsible for the planets' orbital path.
Answer:
the third one as I studied and knew.
Auroras are lights that appear at earth's northern and southern poles. what is the main cause of an auroras
ANSWER:
Explanation:
The Aquarius Personality: The Water Bearer (Jan 22 – Feb 21)
The personality of an Aquarius is characterized by the need for self-expression, creativity, and a sense of purpose. Aquarians have a natural curiosity about many things and are more than willing to use their far-reaching imaginations to feed that curiosity. Friends or colleagues of an Aquarius may find these unpredictable individuals to be warm and affectionate, though sometimes solitary, relentless in their pursuit of knowledge, and deeply inquisitive.
What Are the Best Career Paths for an Aquarius?
Although Aquarians are highly capable of many things, they are best suited for roles that require unconventional thinking. Aquarians embody many professional strengths, including critical thinking, social consciousness, and assertiveness.
However, the Aquarian personality has its drawbacks like other zodiacs. An Aquarius can lack focus, express apathy toward tasks that diverge from their interests, and insist on getting their way, even when that may not be beneficial for completing the task at hand. These qualities can cloud the Aquarian’s better judgment and stunt their professional growth.
However, positive Aquarian traits aid in professions in service, politics, and fine arts. These career paths allow the Aquarius to flourish in ways that are comfortable for them while encouraging them to amplify the best aspects of their personalities.
What Are Aquarians Like in the Workplace?
An Aquarius will feel at home in work environments that welcome the deep, abstract thought process that is natural to them, such as laboratories and museums. In these work environments, the Aquarius can jump at the chance of aiding a colleague or lightening the load of a manager; they naturally enjoy being helpful to others.
While their thoughtfulness and instinct to help can be great assets in the workplace, Aquarians also have some tendencies which create challenges in the workplace. Aquarians tend towards self-isolation. An Aquarius should remember that not everyone works this way, and that their colleagues will still be expecting communication from them. Disconnecting without notice can make an Aquarius a difficult coworker. Aquarians should inform their colleagues or managers about their desire for occasional solitary tasks during the workweek and explain how it improves their work, being both truthful and proactive in their attempt to overcome the challenge.
Along similar lines, another challenge that Aquarians are likely to face at work is having to adhere to a schedule instead of doing as they please when they please. Aquarians can become irritable when they cannot do what they want, and as we all know, work often includes doing things that are not aligned with things we like to do. Unfortunately, there is no magic fix for this, and Aquarians will have to learn how to fulfill work obligations that include fun and not-so-fun duties. Aquarians can overcome this workplace challenge by redefining what happiness looks like for them at work. The Aquarian may not find joy in fulfilling a task that they do not want to do, but may instead find happiness in getting the work hours they want (to schedule more of what they want to do in their personal time). If the Aquarius can learn to reciprocate what they want at work, they are likely to find greater enjoyment in their professional experiences.
What is gold an example of?
Answer:
Money, Power, and Death
Explanation:
Answer:
nonrenewable resource
A moose dies because a virus passed from one individual to the next under crowded conditions during an unusually long, cold winter weakened it. What killed the moose?
A biotic factors
B Density-dependent factors
C Density-independent factors
D Density-dependent and Density-independent factors
What characteristics do viruses share with all living organisms?
a.DNA/RNA
b. metabolism
c.movement
d.respiration
Which of the following DOES NOT regularly use the atmosphere during its process?
A. The Nitrogen Cycle
B. The Water Cycle
C. The Carbon Cycle
D. The Phosphorus Cycle
Blue flower is dominant to yellow flower. Tall plant is dominant to short. Cross BbTt * BbTt. What precenetage of the offsprings are expected to be heterozygous for both traits?
Answer:
The correct answer would be - 25%.
Explanation:
It is given that the Blue flower is dominant over the yellow flower which means Blue is represented by allele B here and allele b for yellow and Bb is a heterozygous case with a blue phenotypic character. Similarly, the Tall plant is dominant over short and represented by T and t respectively.
BbTt is a heterozygous condition and a cross with itself will produce :
Gametes: BT Bt bT and bt
BT Bt bT bt
BT BBTT BBTt BbTT BbTt
Bt BBTt BBtt BbTt Bbtt
bT BbTT BbTt bbTT bbTt
bt BbTt Bbtt bbTt bbtt
Here 4 out of 16 offspring are heterozygous for both traits represented by bold alphabets. Therefore the correct answer is 25%
Question 1
The process of sediment being dropped off in a new location is called
?
A
Depostion
B
Weathering
C
Erosion
Answer:
Deposition
Explanation:
This thermogram shows a person using a computer. Complete the sentence to describe the flow of thermal energy between the person and the computer.
Thermal energy will flow from the
to the
Answer:
The thermal energy will flow from the computer to the person.
Explanation :
Usually computer are such devices which converts electrical energy into thermal energy and then it gets transferred to the person. The energy flows from the higher amount to lower amount. In this case, computer is producing higher thermal energy than the person that’s the reason for the flow of energy from computer to the person.
The thermal energy will flow from the computer to the person.
What do you mean by thermal energy?The energy in a system that controls its temperature is referred to as thermal energy. Heat is the progression of nuclear power. The first law of thermodynamics explains how heat and work are transferred between systems.
Bubbling water on an oven is an illustration of nuclear power. When a substance's atoms and molecules vibrate at a faster rate as the temperature rises, thermal energy is produced.
Utilizing steam power produced by burning oil, coal, liquid natural gas (LNG), and other substances to rotate generators and generate electricity is the process of producing thermal power.
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How can we control bacterial diseases? Write any three measures to prevent What are
bacterial transmission.
Answer:
Bacterial diseases are treated with antibiotics. Antibiotics work by killing the harmful bacteria or by stopping them from reproducing and spreading. Different types of antibiotics are effective for treating specific types of bacteria.
Measures to take
1)Always keep your hands clean.
2)Follow tips for Coughing and sneezing without contaminating.
3) Avoid touching your nose, eyes and mouth with unwashed hands.
Bacteria are transmitted to humans through air, water, food, or living vectors. The principal modes of transmission of bacterial infection are contact, airborne, droplet, vectors, and vehicular. Preventive measures have a dramatic impact on morbidity and mortality.
I hope this helps a little bit.