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Answer:
Photosynthetic organisms provide food for humans as well as glucose and oxygen. All the food we eat either directly (if we eat a plant) or indirectly (if we eat an animal that eats plants or other animals) can be traced to photosynthesis. Actually, almost all organisms obtain their energy from photosynthetic organisms.
Related Questions
4. The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell would be: which option is correct a) 1 mole of ATP b) 2 moles of ATP c) 3 moles of ATP d) 4 moles of ATP e) 6 moles of ATP
Answers
The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell is approximately 4 moles of ATP.
During oxidative phosphorylation, each mole of NADH can generate around 2.5 to 3 moles of ATP. Therefore, for 2 moles of NADH, the total ATP production would be in the range of 4 to 6 moles of ATP. While the more precise estimate falls within the 4 to 6 moles range, the closest option provided is 4 moles of ATP. It is important to note that the exact ATP yield can vary depending on factors such as the efficiency of the electron transport chain and the specific conditions within the cell.Since there are 2 moles of mitochondrial NADH, the total ATP yield would be around 4 to 6 moles of ATP. However, the most accurate option among the given choices is 4 moles of ATP.
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what i. Growth of body tissues is the result of:
A. Mutualism B. Meiosis C. Metamorphosis D. Mitosis
s geography?
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How does protein synthesis affect the cell
Answers
3) Write 3 sentences that explain how limiting factors can change the carrying capacity of
an ecosystem?
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Answer:
Limiting factors determine carrying capacity. The availability of abiotic factors and biotic factors dictates how many organisms can live in an ecosystem. Carrying capacity is also impacted by the availability of decomposers. ... Humans can also alter carrying capacity.
Which TWO carbon reservoirs are known for their carbon sequestration capabilities?
PLZ ANSWER 40 points!
Atmosphere
Plants
Animals
Soil
Oceans
Fossil Fuels
Answers
Answer:
Oceans Plants Explanation:
Please give a good description of genetic mutations. Thanks!
Answers
Answer: A mutation is a change in a DNA sequence? Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses.
Explanation:
The most common genetic mutation is, In fact, the G-T mutation.
Why does the exploratorium dissect cow eyes?
Answers
Answer:At the Exploratorium, we dissect cows' eyes to show people how an eye works. ... A tough, clear covering over the iris and the pupil that helps protect the eye. Light bends as it passes through the cornea. This is the first step in making an image on the retina.
Explanation:
The Exploratorium dissects cow eyes to provide visitors with a hands-on learning experience that helps them understand the anatomy and functioning of eyes.
Cow eye dissection is a popular educational activity at the Exploratorium and similar science museums because it offers a unique opportunity for visitors to engage with real anatomical specimens and gain insights into the complexity of the eye's structure and function. This hands-on experience fosters a deeper understanding of the visual system, how light is focused, and how images are processed by the brain.
The activity allows visitors to compare the similarities and differences between cow eyes and human eyes, leading to discussions about animal adaptations and evolution. Overall, cow eye dissection is an effective and engaging educational tool that promotes scientific inquiry, curiosity, and a better understanding of the remarkable complexities of the visual system.
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Which role do ultrafine particles play in dirty air?
They contribute to less than 13,000 premature deaths a year.
They can worsen symptoms for people with breathing difficulties.
They are easily removed from the air when people see them floating.
They are constantly filtered by the nose, which prevents lung absorption
Answers
Answer:
B
Explanation:
The role the ultrafine particles play in dirty air is that they can worsen symptoms for people with breathing difficulties. The correct answer is b).
What are ultrafine particles?The term "ultrafine particles" (UFPs) refers to particles with a dimension of less than micrometers and more than 0.1 micrometres (100 nanometers), also known as nanoscale particles. The majority of the ultrafine particles are found on motorways and are mostly produced by vehicle emissions.
It has been demonstrated that ultrafine pollution particles may play a crucial role in igniting extra pathways or inflammation, which worsens asthma disease. The ultrafine particles released by motor vehicles and other sources of combustion are covered with an organic chemical coating that can be inhaled.
By oxidizing cells and tissues, these substances create free oxygen radicals that activate the immune system in the lung. For those who have asthma, oxidation exacerbates the allergic inflammation in their lungs.
Therefore the correct option is b).
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Fossils and living organisms showing evidence of an intermediate state between one set of characteristics and another is called______
A. Geographical change
B. Transitional forms
C. Paleontology
D. Mammal growth
Answers
Answer:
a
Explanation:
the chang of a living organism through a period of time
What is “the balance of nature?” Please answer in 1-2 simple sentences Thank You!!
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Answer:
The balance of nature is a theory that proposes that ecological systems are usually in a stable equilibrium or homeostasis, which is to say that a small change will be corrected by some negative feedback that will bring the parameter back to its original "point of balance" with the rest of the system
Explanation:
Select the correct answer.
A family has a Y-linked disease that affects the father. What is the chance of a male offspring inheriting the same disease?
O A. 100%
B. 50%
OC. 25%
O D. 0%
Reset
Next
Answers
Answer:
A. 100%
Explanation:
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Which of the following is an example of parasitism
Answers
Answer:
A parasitic relationship is one in which one organism, the parasite, lives off of another organism, the host, harming it and possibly causing death. The parasite lives on or in the body of the host. A few examples of parasites are tapeworms, fleas, and barnacles. The fleas, in turn, get food and a warm home.
Answer:
B
Explanation:
Mosquitoes
Why is protein folding important in the search for cures to diseases such as cancer and HIV/AIDS?
Answers
Answer:Protein misfolding is detrimental as it results in a loss of native protein function and can lead to a toxic gain of function due to aggregation
Explanation:
How are living things related to atoms and molecules?
Answers
Answer:
Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. The atom is the smallest and most fundamental unit of matter. It consists of a nucleus surrounded by electrons. Atoms form molecules.
Explanation:
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Answer: Everything around us is made up of atoms and molecules, including ourselves.
Explanation:
How are extrusive rocks formed?
Answers
Answer:
Extrusive, or volcanic, igneous rock is produced when magma exits and cools above (or very near) the Earth's surface. These are the rocks that form at erupting volcanoes and oozing fissures.
Explanation:
Answer:
c
Explanation:
bc its the right answer
What happens over time to the temperature of the CO2 as infrared light is hitting it?
Answers
Answer:
The energy from the photon causes the CO2 molecule to vibrate. Some time later, the molecule gives up this extra energy by emitting another infrared photon. Once the extra energy has been removed by the emitted photon, the carbon dioxide molecule stops vibrating.
Explanation:
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Which of these seed parts provides nourishment during germination?
A. embryo
B. endosperm
C. seed coat
Answers
List one strength and one weakness of epidemiology.
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Epidemiology sheds light on the origins and course of disease and can offer proof to assist in disease prevention. It encourages the use of successful medical interventions to treat or lengthen the lives of persons who are ill.
The accuracy of diagnoses or causes of death listed on death certificates, population estimates, emigration from research areas, and the "ecological fallacy" problem are all explored. Retrospective studies have issues with survivor bias, selection bias, and recollection of prior environmental exposure.
What advantages can an epidemiological study offer?Epidemiologic studies can be used for a variety of purposes, but they are most frequently employed to determine the prevalence of a disease and identify relationships that may point to its causes. Measures of disease (incidence) or death (mortality) are taken within demographic groups to help attain these objectives.
The three main methods used in epidemiology are experimental, analytical, and descriptive. Even though all three can be used to look into the spread of disease, descriptive epidemiology is the approach that is most frequently applied.
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Type an X beside all the TRUE facts about estuaries.
22. Estuaries are partially enclosed bodies of water where salt water from the ocean mixes
with fresh water from rivers and streams (brackish water).
23. Estuaries have some of the highest abundance of organisms of all of the ecosystems in
the world.
24. Estuaries have very deep waters.
25. Estuaries provide food, shelter and nursery grounds for animals.
26. Estuaries tend to have low amounts of nutrients in their waters.
27. Estuaries are called the “cradle of the ocean.”
28. Estuaries are part of the intertidal zone.
29. Estuaries are stable environments in terms of tides, salinity and temperature.
Answers
Answer:
22 is correct, 24 is correct, 25 is correct and 28 is correct
Explanation:
Answer:
Except for 24 and 26. . All the statements are correct.
Explanation:
Statement 22: It provides for the definition of an estuary i.e., partially closed bodies of water where water from ocean mixes with freshwater from rivers, lakes, or streams. Therefore, the statement is TRUE.Statement 23: Estuaries have a very ideal ecosystem which supports both lives underwater and land making them rich in wildlife. This is because of the rich nutrient deposition in and around the estuaries. Therefore, the statement is TRUE.Statement 24: Estuaries usually have shallow beds and do not tend to have deep water. Therefore, this statement is FALSE.Statement 25: Since estuaries have good climatic conditions rich of flora and nutrients. It can provide food, shelter, and nursery grounds to animals. Therefore, this statement is TRUE.Statement 26: Estuaries have a high deposition of nutrient as it includes the nutrient from the freshwater lakes and rivers as well as the nutrients from the sea and ocean. Hence, this statement is FALSE.Statement 27: The aquatic plants and shallow water provides good hiding places and protection to the eggs of many animals. Proving it to be an excellent nursing ground away from predators, this is the reason it is called the cradle of the ocean. Therefore, this statement is TRUE.Statement 28: The intertidal zone is an area where the ocean meets the land during high and low tides. Since estuaries are located at the bank of the ocean, therefore, it is a part of the intertidal zone. Hence, this statement is TRUE.Statement 29: Estuaries have a stable temperature ranging between 13 degrees Celsius to 60 degrees Celsius. Estuaries have a stable salinity of 0.5 to 35 ppt and are located at a safe tide zone. Therefore, this statement is TRUE.For more information:
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Question 1 A heterozygous yellow-seeded plant is crossed with a homozygous yellow seeded plant. i. ii. Question 2 Complete the punnet square and write the genotypic and phenotypic ration for the possible offsprings. (3 marks) Genotypic ration Phenotypic ration What is the probability of having a pure breeding green seeded offsprings (2 marks) What is the probability of having a yellow-seeded plant in F2 generation, when a true breeder from F1 is crossed with a non-true breeding yellow seeded plant? (2 marks)
Answers
Answer:
Explanation:
To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."
i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:
Y Y
y Yy Yy
y YY YY
ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.
The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).
Question 2:
To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.
A hurricane destroys the bayou where sawgrass grows, which many insects eat.
What would happen to the carrying capacity and why?
Answers
Explanation: This is because these natural disasters are very detrimental to the environments and would decrease life.
Hurricane is a natural disaster that affects the population and their carrying capacity. Natural disaster decreases the carrying capacity of the insects as they were dependent on the sawgrass.
What is carrying capacity?Carrying capacity has been defined as the quantity or the number of the biotic factor or the living being that is supported by the ecosystem without any negative repercussions. It can be said to be the maximum population that a habitat or ecosystem can hold.
The size of the population is maximum only if resources like food, shelter, habitat, reproduction, etc., are available to the organism so that there is no hindrance to their growth and development.
Hurricanes and other natural disasters have been affecting the carrying capacity negatively and have been known to have a detrimental effect on the environment. The destruction in the bayou wipes the sawgrass that was food for the insects. This decreases the population of the insects that were dependent on the sawgrass.
Therefore, a hurricane negatively affects the carrying capacity.
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In general, bacterial cells are prokaryotic. Which cells are eukaryotic?
• animal and plant cells
• bacteria cells
Answers
They just said bacterial cells are prokaryotic.
And animal + plants cells have nuclei.
do not write gibberish answer alll questions properly and asap
describe three major structural or functional similarities between frogs and humans
Describe three major structural or functional differences between frogs and humans
for grade 10s
Answers
Answer: Three major structural or functional similarities between frogs and humans:
Skeletal Structure: Both frogs and humans have a skeletal system that provides support and protection for their bodies. While frogs have a more simplified skeletal structure compared to humans, both have bones that serve similar functions.
Nervous System: Frogs and humans have a complex nervous system that allows them to sense and respond to their environment. Both species have a brain and a spinal cord, which are crucial for coordinating various bodily functions and facilitating movement.
Digestive System: Frogs and humans have similar digestive systems. They both have a mouth, esophagus, stomach, and intestines, which are involved in the process of breaking down food and extracting nutrients. Additionally, both species have specialized organs such as the liver and pancreas that aid in digestion.
Three major structural or functional differences between frogs and humans:
Respiratory System: Frogs have a unique respiratory system that allows them to breathe through their skin. They can also respire through their lungs and the lining of their mouth. In contrast, humans rely solely on their lungs for respiration, exchanging oxygen and carbon dioxide through the alveoli.
Reproductive System: Frogs have external fertilization, meaning that the female lays eggs and the male fertilizes them externally. Humans, on the other hand, have internal fertilization, where the male's sperm fertilizes the female's egg inside her body. Additionally, frogs undergo metamorphosis, transforming from tadpoles to adults, while humans do not experience this drastic change.
Locomotion: Frogs are adapted for a life both on land and in water, with their specialized limbs and webbed feet that allow them to jump and swim efficiently. Humans, on the other hand, have a bipedal locomotion, relying on two legs for walking and running. Humans have a more upright posture and a different skeletal structure to support their mode of locomotion.
It's important to note that while frogs and humans share certain similarities and differences, these examples are not exhaustive and there are many more intricate details that differentiate the two species.
Why do individuals with low
levels of fitness die?
How do adaptations help an organism as they struggle for existence?
Answers
Answer: Not getting enough physical activity can lead to heart disease—even for people who have no other risk factors. It can also increase the likelihood of developing other heart disease risk factors, including obesity, high blood pressure, high blood cholesterol, and type 2 diabetes.
Darwin suggests that an organism's struggle for existence is part of what determines why some species' characteristics survive and others become extinct. These adaptations illustrate how unique characteristics of particular organisms have developed, allowing them to thrive in their specific environments.
White-tailed deer have become so numerous in some areas of the United States that they are a nuisance.
Why do you think these deer populations have grown so large?
Answers
Answer:
Some laws limit hunting, which may explain why there are so many. Since they are not hunted by humans, more of them have the ability to grow and reproduce. They also may not be hunted if they are in an area surrounded by houses. Hunting in these areas would be dangerous for other people.
The lack of natural predators could also be a reason. If there is nothing to eat them, they will grow and continue to reproduce. This can then lead to overpopulation.
Explanation:
What is the equation for speed? How is speed different from velocity?
Answers
Answer:
Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object's movement. Put another way, speed is a scalar value, while velocity is a vector.
The formula for speed is speed = distance ÷ time.
I HOPE THIS WILL HELP YOU, HAVE A GOOD DAY !Whats the use of experimental design in science
Answers
Answer:
Explanation:
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To fit in with the scientific method, experiments have to be relevant to the questions, hypotheses, observations, analyses, and conclusions of the investigation. Experiments are designed so that they support or refute a hypothesis and give results in terms of measurable, objective data.
Which of these is not a feature of the Earth's lithosphere?
Answers
Answer:
beginning house or trees for an Exploration
Which characteristics belong to all members of the domain Eukarya? Check all that apply.
Answers
Answer:
have a nucleus or nuclei
have a cell membrane
What is the overwhelming conclusion from the vast majority of trained experts who study climate change?
The world is warming because of us.
The world is not warming enough to be concerned about.
The effects of climate change will not be serious.
The world is warming because of natural cycles.
Answers
The overwhelming conclusion from the vast majority of trained experts who study climate change is that the world is warming because of us, meaning human activities are contributing significantly to the observed global warming trend.
What is Climate change?
Climate change refers to a long-term and significant change in the average weather patterns and temperatures of the planet. It is caused by a variety of factors, including human activities such as the burning of fossil fuels and deforestation, as well as natural phenomena such as volcanic eruptions and changes in the sun's energy output.
The overwhelming conclusion from the vast majority of trained experts who study climate change is that the world is warming because of human activities, particularly the burning of fossil fuels like coal, oil, and gas, which releases large amounts of greenhouse gases such as carbon dioxide into the atmosphere.
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