Answer:
Sickle cell anemia is a genetic disease with severe symptoms, including pain and anemia. The disease is caused by a mutated version of the gene that helps make hemoglobin — a protein that carries oxygen in red blood cells. People with two copies of the sickle cell gene have the disease.
Explanation:
Hope thia helps :)
The work done by the heart is often compared to that of a pump. This is because our heart also uses ___ to keep
blood flowing through our body.
A) force
B) water
C) levers
D) osmotic pressure
The work done by the heart is often compared to that of a pump. This is because our heart also uses osmotic pressure to keep blood flowing through our body.
What is Osmotic pressure?A semipermeable membrane, a barrier having pores tiny enough to enable solvent molecules to pass through but not solute molecules or ions, is used to detect the co-ordinative feature of solutions known as osmotic pressure.
Osmosis is the term for the net flow of a solvent through a semipermeable membrane. Net solvent flow always occurs from the side of the solute with the lower concentration to the side with the greater concentration.
Until the levels in the arms eventually stop fluctuating, there is a net flow of water through the membrane, indicating that equilibrium.
Therefore, The work done by the heart is often compared to that of a pump. This is because our heart also uses osmotic pressure to keep blood flowing through our body.
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Unionid mussels are native to the Hudson River in New York State. In the early 1990s, zebra mussels were introduced into the Hudson River. The table shows the number of unionid mussels and zebra mussels over the course of six years.
How did the population of unionid mussels change after zebra mussels were introduced? Why did this change occur?
Look at the information below. Sugar is added to the test tube to provide __________ for the yeast. What one word completes the sentence.
Sugar is added to the test tube to provide food to yeast .
What is yeast ?
Yeast is a single-celled microorganism that is a member of the Fungi kingdom.
What do yeast eat ?
Yeasts feed on sugars and starches, which are abundant in bread dough! They turn this food into energy and release carbon dioxide gas as a result.
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Which element is a metalloid? Check all that apply.
I WILL GIVE BRAINLIEST IF CORRECT HURRY PLEASE
(01.02 LC) Which domain contains multicellular organisms such as plants and animals? answer choices:
Archaea
Bacteria
Eukarya
Protista
Answer:
Eukarya
Explanation:
Eukaryotic organisms are plants and animals, Eukaryotic stems from the word Eukarya
The domain Which contains multicellular organisms such as plants and animals are Eukarya. The correct option is c.
Eukarya is the only domain that includes multicellular and visible organisms such as humans, animals, plants, and trees. It's also the domain of many microorganisms, such as fungi, algae, and micro-animals.
Multicellular organisms are composed of several cells that collaborate to fulfill various roles. Plants, for example, contain specific tissues and organs such as leaves, stalks, and roots. Animals have specialized tissues and organs as well, including muscles, nerves, and organs such as the heart and lungs.
Thus, the correct option is c.
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Which of the following correctly compares cloning and gene therapy?
Cloning is not a type of biotechnology and gene therapy is a type of biotechnology.
Neither cloning nor gene therapy are types of biotechnology.
Both cloning and gene therapy are types of biotechnology.
Cloning is a type of biotechnology and gene therapy is not a type of biotechnology.
Answer:
Both cloning and gene therapy are types of biotechnology.
Cloning is a type of biotechnology and gene therapy is not a type of biotechnology.
Final answer:
Both cloning and gene therapy are types of biotechnology. Cloning refers to making copies of a gene, while gene therapy involves introducing functional genes to correct genetic disorders or fight diseases.
Explanation:
The correct statement that compares cloning and gene therapy is that both are types of biotechnology. Biotechnology is the application of technology to modify the genetic material of living organisms for human purposes. Gene cloning refers to the process of making copies of a specific DNA segment, such as a gene, which can be useful in many scientific and medical applications. The polymerase chain reaction (PCR) is a technique used in molecular biology to amplify a single copy or a few copies of a segment of DNA across several orders of magnitude, creating thousands to millions of copies of a particular DNA sequence.
Gene therapy, on the other hand, is a technique that involves the introduction of functional genes into cells to correct genetic disorders or to fight diseases like cancer. Gene therapy can be performed either inside the body (in vivo) or outside the body (ex vivo). The use of biotechnology has resulted in advances like producing human proteins such as insulin in bacteria and developing transgenic crops with improved characteristics.
Both cloning and gene therapy raise various ethical, legal, and social issues, reflecting the complexity and impact of biotechnological advancements on society.
14. Elizabeth is getting ready to run a marathon. She's hoping that the ATP in her body is good for
long-term energy storage for the race. Why is her thinking incorrect?
A ATP is an unstable molecule
B. Running requires only potential energy to
C. ATP takes too long to transfer oxygen from
D. ATP doesn't release energy fast enough t
from
ATP is not suitable for long-term energy storage due to it being an unstable molecule. For long-term energy storage, the body relies on other molecules like glycogen and glucose to produce ATP through cellular respiration. The correct correct is (A).
Explanation:Elizabeth's thinking is incorrect because ATP is an unstable molecule and not suitable for long-term energy storage. ATP is actually used for short-term energy needs in the body. It is
better suited for immediate energy requirements, such as muscle contractions during exercise. For long-term energy storage, the body relies on other molecules like glycogen, which can be broken down into glucose and then used to produce ATP through cellular respiration.
A trait has two alleles, represented by p and q. If p = 0.89, what is q?
.
Ο
Α. 0.89
οοοο
Ο Β. 0.94
Ο C. 0.33
Ο D. 0.11
1. If there is not enough carbohydrate intake, how does the body form glucose?
2. If there is a glucose shortage, how does the body produce energy?
Answer:
1. When there isn't enough readily available glucose from the breakdown of carbohydrate, the body first turns to stored carbohydrate reserves (glycogen). If there's still no new intake of carbohydrate and the reserves are depleted, the body is forced to use alternative sources (fat and protein) for energy.
2. Gluconeogenesis(generation of glucose from certain non-carbohydrate carbon substrates such as lipids) Use lipids(some organs such as the brain can’t use lipids as their energy source and need glucose)
Explanation:
Hope this helps!
When there's inadequate carbohydrate intake, the body forms glucose through gluconeogenesis, using amino acids, lactate, and glycerol. In a glucose shortage, the body switches to ketosis to generate energy from stored fats, producing ketone bodies instead.
Explanation:If there is not enough carbohydrate intake, the body forms glucose through a process called gluconeogenesis. This is a metabolic pathway that results in the generation of glucose from certain non-carbohydrate carbon substrates. The liver primarily carries out this function, where it synthesizes glucose from amino acids, lactate, and glycerol.
If there is a glucose shortage, the body generates energy through a process called ketosis. In this state, the body burns stored fat instead of glucose to produce ketone bodies, an alternative energy source.
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What do we mean when we use the term dihybrid cross?
A) A dihybrid cross involves two parents.
B) A dihybrid cross involves organisms that are heterozygous for two characters.
C) A dihybrid cross results in a 3:1 phenotype ratio in the F2 offspring.
D) A dihybrid cross is performed for two generations.
E) A dihybrid cross produces two offspring.
Answer:
i think it is A
Explanation:
A dihybrid cross involves organisms that are heterozygous for two characters and typically results in a 9:3:3:1 phenotypic ratio in the F2 generation according to Mendel's principle of independent assortment, option B is correct.
A dihybrid cross refers to a type of genetic cross that involves organisms heterozygous for two characters. The term specifically denotes a cross in which each parent has two different alleles for two different traits. For example, if one parent has alleles AaBb and the other parent has alleles AaBb, this is a dihybrid cross. Such a cross usually results in a characteristic 9:3:3:1 phenotypic ratio in the F2 (second filial) generation if the genes assort independently.
In a typical dihybrid cross involving two pea plants heterozygous for round, yellow seeds (GgYy), the combination of alleles that the offspring receive from each parent produces a variety of phenotypes with the 9:3:3:1 ratio, where 9/16 of the offspring would be expected to have round yellow seeds, 3/16 would have round green seeds, 3/16 would have wrinkled yellow seeds, and 1/16 would have wrinkled green seeds. This kind of cross helps in understanding how alleles of different genes are transmitted independently from each parent to the offspring according to Mendel's principle of independent assortment.
How do vaccines help to possibly protect you from the symptoms of a virus?
Read each example and identify whether the data
are observations or inferences from observations.
The fish's ventral fin measured 8.5 cm long.
The grizzly bear's tracks were 5,5 cm deep in the
mud; therefore, it weighs 410 kg.
inference is
observation pne in the atmosphere increased to
34 parts per billion after the thunderstorm,
The population of protozoans in the lake has
increased since there is an increased level of
carbon dioxide in the water.
Many fish bones were found around the eagles'
nest; therefore, the eagles were eating fish,
Answer:
1. Observation2. Inference3. Inference4. Observation5. InferenceExplanation:
Observing is capturing a property or a change by using the senses with or without the aid of an instrument. It does not involve judgement or reasoning.
On the other hand, an inference involves reasoning, a judgment by which a conclusion is drawn from the observations and the knowledge accumulated by the person making the inference.
1. The fish’s ventral fin measured 8.5 cm long.
ObservationThe size of the fisht's ventral find is measured with an instrument; reasoning is not involved.
2. The population of protozoans in the lake has increased since there is an increased level of carbon dioxide in the water.
InferenceIt is an inference because the population is measured but the reason why it increased is a conclusion or hypothesis product of analysis (reasoning). It is based on evidence, but not the evidence per se.
3. The grizzly bear’s tracks were 5.5 cm deep in the mud; therefore, it weighs 410 kg:
InferenceThe first measure, the depth of grizzly bear's track is an observation, because it is measured, but the weight of the grizzly bear is a conclusion derived from other knowledges that require the use of our mind, may be from a correlation, or a table, or a formula, but it is not measured directly using our senses.
4. The level of ozone in the atmosphere increased to 34 parts per billion after the thunderstorm. (notice some typos were corrected).
Observation5. Many fish bones were found around the eagles’ nest; therefore, the eagles were eating fish.
InferenceThis is an inference, because it is a conclusion or hypothesis. Many fish bones were observed around the eagles'nest, but the eagles were not seen eating fish, but the observer thought (concluded) that the evidence of the fish bones supported the conclusion that the eagles were eating fish.
Answer:
figured someone could use this
Explanation:
The diagram below represents part of the oxygen cycle.
Which biological process is represented by arrows 1 and 3?
A.
osmosis
B.
photosynthesis
C.
adaptation
D.
respiration
Answer
b. Photosynthesis
Explanation:
That's what study island said is right.
The correct option is B.
What is Photosynthesis?
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
How is photosynthesis done?Photosynthesis is the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
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What chemical does mercury fool your body’s cells into thinking it truly is?
Estrogen, the metal Mercury tricks your body into thinking it is the chemical Estrogen
*I'm not really sure of this answer*
easy question easy points here
QUESTION
SOME FOOD SUBSATNCES MOVE BACK INTO THE BLOOD THEOUGH DIFFUSION. WHAT DOES THIS MEAN ?
Answer:
Diffusion is a net movement of molecules or ions from a region of higher concentration to a region of lower concentration down a concentration gradient at a random movement.
So food molecules to move into the blood stream because blood is a region that has a lower concentration of molecules.
Answer:
i really dont know much of this but it may be talking ions srry i not very smart but i like helping! :D
Explanation:
4. Birth rates in a population, such as the Moose on Isle Royale, can be affected by all of the following EXCEPT
A Availability of food.
B Availability of mates.
C Health of the mother.
D No exceptions - All of these factors affect birth rates
Answer:
D
Explanation:
No exceptions - All of these factors affect birth rates. Therefore, option (D) is correct.
What is birth rate?The birth rate is the number of live births per unit of population in a specific area or time period. Birth rates in a population can be affected by a variety of factors, including the availability of food, the availability of mates, and the health of the mother.
The availability of food can affect birth rates because it can influence the ability of individuals to produce and rear offspring. For example, if a population has access to a sufficient amount of food, individuals may be more likely to reproduce, leading to an increase in birth rates. On the other hand, if a population lacks access to sufficient food, individuals may be less likely to reproduce, leading to a decrease in birth rates.
The availability of mates can also affect birth rates because it can influence the ability of individuals to reproduce. For example, if a population has a sufficient number of potential mates, individuals may be more likely to reproduce, leading to an increase in birth rates. On the other hand, if a population lacks sufficient potential mates, individuals may be less likely to reproduce, leading to a decrease in birth rates.
The health of the mother can also affect birth rates because it can influence the ability of individuals to reproduce and rear offspring. For example, if the mother is healthy, she may be more likely to produce and rear offspring, leading to an increase in birth rates. On the other hand, if the mother is not healthy, she may be less able to produce and rear offspring, leading to a decrease in birth rates.
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Why did the color of the peppered moth change?
The moths' life cycle changed.
The environment changed.
The amount of variation in the moth population changed.
The number of individual moths in the population changed.
FAST!!!!!!!!!!!!!!
Answer:
Environmental change
Explanation:
The color of the peppered moth change due to environment changed. At that time, a manifestation of industrial melanism was the rise in the number of dark-colored moths, hence option B is correct.
How the color of the peppered moth change?The peppered moth's evolution is an example of how air pollution during the Industrial Revolution caused directional color changes in the moth population.
The two color variants of moths evolved over time, with the black moths becoming more prevalent. The dark individuals were more successful after the trees altered because natural selection preferred them. A little difficult to believe, Since these conditions began to improve starting in the 1950s, more observations have been made.
Therefore, due to environment conditions, the color of the peppered moth changed.
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What level of organization would include squirrels, deer, turtles, oak trees, pine trees, a stream, moist soil and rocks? A. Species B. Community C. Ecosystem D. Population
Answer:
c. Ecosystem
Explanation:
the only level of organization that includes nonliving and living things is an ecosystem
What is the difference between a runner spitting versus just someone standing still?
Difference between a runner spitting versus just someone standing still
Explanation:
Runners while running do breathe, pant, and heave heavily which leads to spitting in the open as a habitual practice. This spitting while on motion leads to heavy dispersal of aerosol droplets which suspends in the air.
Droplets due to respiratory or spitting sources from any person who is infected with any infectious and contagious viral, bacterial, or other infectious diseases will have high chances of the pathogen present in them.
Further the rate and spread of droplet dispersal and transmission of pathogen will be higher compared to that from someone standing still. This puts greater potential for the spread of such droplet transmitted diseases.
Hence proper distancing should be maintained between runners and others to prevent spread of droplet transmitted diseases.
Joel and Danny were playing a game with blue and red balls and a small white ball. The blue and red balls are exactly the same, except they are different colors. Joel rolled a blue ball at a speed of 5 m/s. It hit one of the red balls that was sitting still. What happened to the red ball once it was hit?
A. It rolled away at a speed less than 5 m/s.
B. It rolled away at speed of 5 m/s.
C. It remained sitting still.
D. It rolled away at a speed greater than 5 m/s.
Answer:
c
Explanation:
Your parents take away playing Fortnite every time you have an "F" on an assignment in hopes you won't get anymore failing assignments. This is an example of...
A)positive reinforcement B) negative punishment C) negative reinforcement D)positive
punishment
I hope this helps! :)
The ans is D which is positive punishment as your parents are doing a great thing because u got an f in the exam if ur parents wouldnt do u would be addicted towards fortnite and get an F everytime!
(i dint mean to say your parents no offence)
I really need help with these
Answer:
D, B, A, C, F, E
Explanation:
Newton's 1st Law: D
Newton's 2nd Law: B
Newton's 3rd Law: A
Inertia: C
Work: F
Power: E
Answer:
Newton's 1st law = C
Newton's 2nd law = B
Newton's 3rd law = A
Inertia = D
Work = F
Power = E
I hope its right!
The Researches talk about a "Balance" within the Ecosystem that Exists within the
Stream Ecosystem. With what you know, and saw in the Video, What is the
"Balance" they are talking about when introducing the Grayling back into the
Ecosystem?
Answer:
the balance is everything must have a process of living and dying in an ecosystem. such as, an animal killing another animal for prey to eat it, that is a process. in a water ecosystem, fish lay eggs and come out and usually get eaten by a bigger animal, as they grow up, usually by bigger fish itself such as the Grayling.
Explanation:
A scientist studying a swamp notes that it contains a high concentration of organic carbon. This region would be classified as what?
A
carbon cycle
B
carbon cell
C
carbon source
D
carbon sink
____, the main component of natural gas, is a natural by product of the bacterial decay of organic matter.
A Carbon dioxide
B. Methane
C. Nitrous oxide
D. Sulfur dioxide
Answer:
B. Methane is the answer.
The answer for this question is:
B. Methane
2. How many openings are in the skull? What organs are
attached to each opening?
Answer:
3 openings mouth and ears
I am not sure the second part
Explanation:
The skull has several openings through which structures pass, such as the spinal cord, optic nerve, and blood vessels to the eye.
Explanation:The skull has several openings, known as foramina, through which various structures pass. There are eight main openings in the skull:
Foramen magnum: This is the largest opening at the base of the skull through which the spinal cord passes.Optic foramen: Located on the sphenoid bone, it allows the optic nerve to pass through.Superior orbital fissure: On the sphenoid bone, it permits the passage of nerves and blood vessels to the eye and surrounding structures.These are just a few examples, each opening has specific organs or structures associated with it.
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A satellite is sent into orbit around the Earth, In which of the following situation would the gravitational force be the greatest?
Group of answer choices
A 850 lb satellite orbiting 150 miles above Earth’s surface
B 850 lb satellite orbiting 1500 miles above Earth’s surface
C 1200 lb satellite orbiting 150 miles above Earth’s surface
D 1200 lb satellite orbiting 1500 miles above Earth’s surface
PLEASE ANSWER ASAP I NEED AN A
Option A (850 lb satellite orbiting 150 miles above Earth’s surface) would experience the greatest gravitational force.
The gravitational force experienced by a satellite depends on?The gravitational force experienced by a satellite in orbit around the Earth depends on the mass of the Earth and the distance between the satellite and the center of the Earth.
The force of gravity decreases with distance, so the closer the satellite is to the Earth's surface, the stronger the gravitational force it experiences.
Option B (850 lb satellite orbiting 1500 miles above Earth’s surface) is farther away from the Earth's surface than option A, so it would experience a weaker gravitational force.
Option C (1200 lb satellite orbiting 150 miles above Earth’s surface) is closer to the Earth's surface than option B, but it has a greater mass, which means it would experience a stronger gravitational force than option B but not as strong as option A.
Option D (1200 lb satellite orbiting 1500 miles above Earth’s surface) is both farther away from the Earth's surface and has a greater mass than option A, so it would experience the weakest gravitational force of all the options.
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What are the energy saving
techniques used by the
Class Chondrichthyes?
Answer:
Chondrichthyes characteristics include a cartilaginous skeleton, lack of a swim bladder, lipid storage restricted to the liver, unique hematopoietic organs, and bacteremia in clinically normal individuals. Variable reproductive strategies are employed throughout this vertebrate class.
Explanation:
The Class Chondrichthyes uses energy-saving strategies such as no bones and cartilage skeletons.
The Class Chondrichthyes:Chondrichthyes are a group of fish that belong to the Gnathostomata division because they have jaws.
All vertebrates with mouths are classified as Gnathostomata.A cartilaginous skeleton, the lack of a swim bladder, lipid storage limited to the liver, distinct hematopoietic organs, and bacteremia in medically normal people are all hallmarks of Chondrichthyes.
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The following organs are part of the human digestive system.
A: anus
B: small intestine
C: stomach
D: rectum
Which of the following choices arranges the organs in the order in which materials would move through them during digestion?
1. D, B, C, A
2. B, D, C, A
3.B, C, A, D
4.C, B, D, A
Answer:1. B small intestine
2. 3
Explanation:
number 3 would be the answer
¿Cuales son las partes principales de un molino eólico?
¿Cuál es la diferencia entre la energía cinética y la energía mecánica?
¿Como llega la electricidad a los hogares de la región
Answer:
¿Cuales son las partes principales de un molino eólico?
Un Molino está formado por unas aspas que mueven un engranaje (linterna), que se inserta con una rueda horizontal (catalina), y trasmiten el movimiento del eje de las aspas a un eje vertical, que mueve la volandera.
¿Cuál es la diferencia entre la energía cinética y la energía mecánica?
La energía cinética tiene en cuenta el movimiento, y la energía mecánica la magnitud del movimiento y las fuerzas de un cuerpo.
¿Como llega la electricidad a los hogares de la región ?
La electricidad producida por los molinos eólicos se distribuye mediante aerogeneradores que se conectan a las redes de distribución de energía eléctrica.
Explanation:
Los molinos eólicos permiten generar Energía mecánica. La energía mecánica es el resultado de la energía cinética de un elemento y su energía potencial, mientras que la energía cinética es la energía que posee un cuerpo por su movimiento. Esa energía eólica se transforma en electricidad que abastece a la población cercana.