Its No. John could have type A, B, AB, or O, depending on the alleles he inherits from his parents. which is letter C.
No, she is not correct johns blood group depends on which allele he gets inherited from his parents so the blood group could be A, B, AB, or O.
What is a blood group?A person will still have type A blood even if they inherit both the A and O alleles. Blood type is genetically determined by the genotypes, or allele compositions, of the parents.
Three different allele types—A, B, and O—make up the ABO gene. The first two, A and B, are codominant, which means they each have an equal amount of dominance, allele O, however, is recessive.
The numerous blood types are created by various combinations of these three alleles, which can be the A, B, AB, and O blood group of John.
Therefore, John has types A, B, AB, and O depending on the alleles depending on the allele inherited from his parents.
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Explain how scientific knowledge is developed when people make observations about the natural world. Help meeee
Answer:
Scientific knowledgedevelops through making observations about the natural world. Anobservation may generate a scientificquestion, which may lead to a hypothesis. The hypothesis can be tested through experimentation. The results of experimentation lead to changes in scientific knowledge.
A specific type of bacteria reproduces through binary fission every hour. If there are three bacteria cells to begin with, how many bacterial cells will there be in five hours?
Answer:
There will be 96 bacteria cells in 5 hours.
Explanation:
Which would be the most accurate title for this picture?
a)primary succession after a controlled fire
b)primary succession after a volcanic eruption
c)secondary succession after a controlled fire
d)secondary succession after a volcanic eruption
Primary succession after a volcanic eruption would be the most accurate title for this picture. So, the correct option is B.
What is Primary succession?The process of ecological succession known as primary succession occurs where there was previously no biological community, such as on bare rock, in sand dunes, or after a volcanic eruption. Pioneer species that can colonize bare rock and soil, such as lichens and mosses, typically initiate primary succession by doing so.
As these pioneer species slowly decay and decompose, they add organic matter to the soil and promote colonization by other plants and animals. The primary succession process can take hundreds or even thousands of years to achieve a stable climax community, which is an organism community that is mostly self-sustaining and adapted to its environment.
So, the correct option is B.
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A scientist is observing a eukarotic cell and a prokaryotic cell. Which structure could she only observe in the eukaryotic cell?
Answer:
A well defined nucleus and cell organelles.
Explanation:
Eukaryotic organisms are those organisms which have true nucleus or membrane around the nucleus in its cell. In eukaryotic cells organelles such as mitochondria, ribosome, lysosomes, endoplasmic reticulum, golgi bodies and vacuoles are present. In prokaryotic cell, all the activities are performed by a single cell while in eukaryotic cell, organelles are present which performs specific functions.
Answer:
A
Explanation:
Because I just got it right
what represents the presence of the rehesus protein on blood
Answer:
Rhesus (Rh) factor is an inherited protein found on the surface of red blood cells. If your blood has the protein, you're Rh positive. If your blood lacks the protein, you're Rh negative. Rh positive is the most common blood type.
Explanation:
Transcription in eukaryotes requires which of the following in addition to Rna polymerase
Answer:
several transcription factors (TFs)
what do scientists think was the first rna that led to life
Answer:
In some primordial soup of molecules, a self-replicating RNA formed.
Explanation:
?
Compared to the Earth,the sun is
Answer:
hot
Explanation:
Answer:is hot
Explanation:very hot
What is the definition of "population growth?" Be specific! *
Answer:
Population growth is the increase in the number of individuals in a population. Global human population growth amounts to around 83 million annually, or 1.1% per year. The global population has grown from 1 billion in 1800 to 7.774 billion in 2020.
Explanation:
Population growth is the increase in the number of individuals in a population due to more births and immigration than deaths and emigration, which is measured by the population growth rate.
Explanation:Population growth refers to the increase in the number of individuals in a given population over a specific period of time. This growth can occur due to various factors, such as a higher number of births than deaths, and the process of immigration, where individuals move into the region. Conversely, populations can decrease through deaths and emigration, where individuals leave the area. These factors together determine the population growth rate, which measures how quickly the population size changes.
Population structure, which includes the age-sex distribution, along with fertility, mortality, and migration rates, also plays a crucial role in influencing the population growth. It is important to note that populations don't always grow; their growth rates can be affected by the local economy, available resources, and environmental conditions. Demography, the study of populations, is essential to understand and manage these growth dynamics.
When the sea floor collides with the continental floor.
dome mountains are formed
both floors fold inward, forming a mountain range
the sea foor ships below the continental foor
the continental floor gets pushed into the mantie
When the sea floor collides with the continental floor, a process called subduction occurs. The sea floor, being more dense, sinks below the continental floor. This does not form a mountain range or domed mountains but can lead to geologic activity like earthquakes and volcanoes.
Explanation:When the sea floor collides with the continental floor, a process known as subduction occurs. This is a geological event that happens at convergent boundaries where one tectonic plate moves under another and is forced or sinks due to gravity into the mantle. The denser sea floor sinks or 'subducts' beneath the less dense continental floor, forming a deep ocean trench. This subduction can also cause intense pressure and heat, leading to the creation of volcanoes and earthquakes. While both floors do not fold inward to form a mountain range, the continental floor does not get pushed into the mantle. The pressure and heat may, however, lead to the formation of mountains on the continental crust, albeit not domed mountains specifically.
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How might variations in the poison dart frogs' colors and markings affect the probability that an individual frog will survive in its environment? Construct an explanation in support of your answer.
Answer:
Depending on its coloration and markings other animals might stay away from it if it had bright markings while one with muted colors could hide more easily. Depending on the environment certain colors and variations can allow the frog to survive because it is not seen or allow it to survive because other animals are afraid to eat it.
Explanation:
The variation in the poison dart frogs' colors and markings affect the probability in various ways.
Information regarding the environment:Based on its coloration and markings other animals may stay away from it in the case when bright markings while one with muted colors could hide more easily. Based on the environment-specific colors and variations can permit the frog to survive since it is not seen or permit it to survive since other animals are afraid to eat it.
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Which of the following diseases is most common in children:
A) Cholera
B) Botulism
C)Measles
D)Tuberculosis
Why aren't the average human antibodies powerful enough to defend against coronavirus?
Answer:
its new to our body. Saying that, it dosen't know how to fight this off, but once you get the coronavirus, you are ammune to that type because then your body knows how to fight it off. :)
Answer:
me need points
Explanation:
Cellular respiration involves a reaction between glucose and oxygen to form. A.water.
B. energy.
C. carbon dioxide.
D. all of these.
Answer: D
Explanation: THE PRODUCTS FOR cellular respiration are water CO2 AND energy
Cellular respiration involves a reaction between glucose and oxygen to form water, energy in the form of ATP (Adenosine triphosphate), and carbon dioxide. Thus, the correct option is D.
What is Cellular respiration?Cellular respiration is the process through which biological fuels are oxidized in the presence of an inorganic electron acceptor such as the oxygen atom to produce large amounts of energy, to drive the bulk production of ATP (adenosine triphosphate) in the mitochondria of cell.
In the process of cellular respiration, glucose molecules and oxygen react to form ATP molecules. Water and carbon dioxide are released as byproducts from this reaction. The three stages of aerobic cellular respiration are glycolysis, the Krebs cycle, and oxidative phosphorylation.
Therefore, the correct option is D.
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10
Many animals carry the parasite Giardia lamblia. When water is contaminated with feces from these animals, the water will carry
the parasite. If a person drinks the water, he or she will become infected with Giardia lamblia which will then travel to the person's
intestine and cause the disease giardiasis. What are the most likely symptoms of the disease giardiasis?
Answer:
Watery, sometimes foul-smelling diarrhea that may alternate with soft, greasy stools.
Fatigue or malaise.
Abdominal cramps and bloating.
Gas or flatulence.
Nausea.
Weight loss.
Explanation:
because the parasite is traveling through the intestine(which is a very important body part in you body)
Answer:
Its B
Explanation:
What’s the answer?????
Answer:
1. Lysosomes are membrane bound sacs filled with enzymes.
True.
2. Which of the following organelles contain digestive enzymes that breakdown complex molecules.
Lysosome.
3. Lysosomes are membrane bound vesicles that arise from the Golgi Apparatus.
Explanation:
There isn't much of an explanation for the first or second one, but for the third lysosomes come from the membrane of Golgi apparatus, where they sort newly synthesized proteins which may be used in lysosomes, endoscopes and plasma membrane.
How is the weather in Sudáfrica
Identify the functions of the brain.
passes information to and from
the cerebrum
is responsible for higher-level
thinking skills
helps maintain homeostasis
regulates body temperature
Answer:
1) thalamus
2) cerebrum
3) hypothalamus
Hope this helps
what factors determine the rate at which mechanical and chemical weathering take place?
can someone please help me with this question
Answer:
You got it right, Its answer choice D
Explanation:
Because if the organism is performing cellular respiration, it will be taking in oxygen causing it to decrease, while carbon dioxide will be increasing
Answer:
D.) the organism is performing respiration because the carbon dioxide is increasing and the oxygen is decreasing.
Explanation:
Over time, when an organism, (for example, a cat) is breathing in a confined space for a long amount of time, the air in the space will have more carbon dioxide in it.
This is because as the cat breathes in the oxygen, it is exhaled as carbon dioxide.
Therefore, after a long period of time that cat will have breathed in a lot of the oxygen which is replaced with carbon dioxide.
I hope this helps :)
What are some of the causes that disrupt the natural balance of the ecosystem? ridding the soil of decomposers removing predators by hunting overpopulation of predators breeding hybrid plants removing prey by transplantation
Answer: overpopulation of predators
Explanation: Overpopulation of predators is the correct option. Predators are the organisms which kill other organism so as to obtain them as food. The organism being killed is called as the prey.
If the population of the predators increase this will lead to the extinction of many species of prey. As it is evident that every organism in the ecosystem has a typical role to play. Therefore, it can be said that role of prey will not be performed and this may lead to disturbance in the ecological balance.
Answer:
a c d
Explanation:
A baseball is dropped from 100 meters above the surface of the Earth. The baseball falls to the ground. What would happen if this baseball was dropped from 100 meters above the surface of the Moon?
Answer:
It would fall towards the moon's surface.
Explanation:
On the Moon, there is far less gravity than Earth but it would still fall, but would be a bit slower.
Q1) Describe three ways food chains can be disrupted
Three ways food chains can be disrupted are:
Global warmingPollution of waterDeforestatioMeaning of food chainA food chain can be defined as a syetamtic flow of food following a pattern or hierachy. From the producers to the consumers.
A food chain is continuous as long as the producers keep producing adequate amount of food that can satisfy the cosumers.
we can conclude by saying that whenever their is a diruption in the food chain it most likely caused by the above listed.
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Final answer:
Food chains can be disrupted by invasive species, pollution, such as oil spills, and climate change, which all impact the flow of energy and balance within ecosystems.
Explanation:
Disruption of Food Chains-
Food chains can be disrupted in several ways, impacting the flow of energy through ecosystems. Here are three examples:
Introduction of invasive species that outcompete or prey on native species, altering the balance of the ecosystem.Pollution, such as an oil spill, can drastically affect the lower levels of the food chain, which in turn affects higher trophic levels.Climate change can alter habitats and the availability of resources, leading to the loss of species and disruptions in their interactions within the food web.Invasive species, pollution, and climate change are just a few ways through which the stability of food chains can be threatened, leading to vast ecological consequences.
The Yellowstone National Park Food Web Is Shown Below
what would be the most likely effect of adding wolves to the park?
A. Increased Elk population
B. Decreased cottonwood population
C. Increased Aquatic Plant Population
D. Decreased Maple Population
The most likely effect of adding wolves to the park will be an increased Aquatic Plant Population (Option C).
What are primary producers?Primary producers are organisms capable of synthesize their own food by a process called photosynthesis.
In this case, the prey target (moose) of wolves eat primary producers (aquatic plants).
In conclusion, the most likely effect of adding wolves to the park will be an increased Aquatic Plant Population (Option C).
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Adding wolves to Yellowstone National Park would most likely decrease the elk population. Wolves are a keystone species, and their reintroduction has led to increases in biodiversity and the health of the park's ecosystem.
Explanation:Based on the information provided, it can be concluded that the most likely effect of adding wolves to the Yellowstone National Park would be a decreased elk population. This is because wolves, being apex predators, directly affect the population of prey species like elk. When wolves were reintroduced to Yellowstone National Park in 1995, the elk altered their grazing behavior to avoid predation. As a result, they stopped grazing in exposed stream and riverbeds, allowing willow and cottonwood seedlings to grow. This indirectly led to an increase in biodiversity and improved the health of the park's ecosystem.
Furthermore, this change in elk behavior had other effects. The regrowth of vegetation in riparian areas, which the elk had previously overgrazed, provided habitat for other animals and notably led to the recolonization of areas by beavers. Summarily, the reintroduction of a keystone species like the wolf had considerable effects on the overall integrity and biodiversity of the Yellowstone ecosystem.
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Evolution is change in a population over time and includes the gene pools of that population. How does biogeographic isolation allow for the change of gene pools over time? Biogeographic isolation affects the random changes that take place within gene pools. Biogeographic isolation causes changes in gene pools that result from populations being separated. Biogeographic isolation determines who will win competition for mates. Biogeographic isolation determines the time that populations will breed.
Answer:
A
Explanation:
Due to evolution, there are changes in gene pools over time because: B. Biogeographic isolation causes changes in gene pools that result from populations being separated over time.
What is an evolution?Evolution can be defined as a process of gradual change in the characteristics and genetic pool (make-up) of the species of a living organism over several generations.
In Genetics, a scientific technique which is commonly used by scientist to determine evolutionary relationships between the gene pools of a population is the study of their fossils and biochemical similarity.
In conclusion, biogeographic isolation allow for the change of gene pools that result from populations being separated by several environmental or abiotic factors over time.
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The Pampas region in Argentina has virtually no
A grass
B. trees
C. hills
D. wildlife
Answer: i think its B trees
Explanation:
Answer:B
Explanation:
Find the force of an object with mass(m) as 600kg and acceleration as 50m/s^2
Answer:
F= 3000N=3x10^3N
Explanation:
According to Newton's second law the force applied on an object causes an acceleration of a, and the relation btw the force and the acceleration is defined as follows;
F=m.aF=(60kg)x(50m/s^2)F= 3000N=3x10^3N
The force of an object with a mass of 600kg and an acceleration of 50m/s^2 is 30000 Newtons.
Explanation:The force exerted by an object can be found using Newton's second law of motion, **F=ma where 'F' is the force, 'm' is mass, and 'a' is acceleration. In this case, the mass 'm' is 600kg, and the acceleration 'a' is 50m/s^2.
By substituting the given values into the equation, we get:
F = (600kg) * (50m/s^2) = 30000N.
So, the force exerted by the object is 30000 Newtons.
Newton's second law of motion,
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Will give Branliest!
Water (2 hydrogen + oxygen) and carbon dioxide (carbon + 2 oxygen) are made up of atoms that are the inputs for photosynthesis. What is true of the atoms that are the outputs (whats created) in photosynthesis? *
Photosynthesis creates new atoms
Photosynthesis rearranges atoms
Photosynthesis destroys atoms
All of the above
Answer:
B
Explanation:
27. What is the reaction for aerobic cellular respiration?
Answer:
Aerobic respiration takes place in the mitochondria and require oxygen and glucose, and produces carbon dioxide , water and energy . The chemical equation is
Andy is using a graduated cylinder to measure the volume of water. Which of the following are correct procedures for reading the volume of water in a graduated cylinder?
I.
He should hold the graduated cylinder in his hand so the surface of the water is at eye level.
II.
He should place the graduated cylinder on a flat surface and bend down so the surface of the water is at eye level.
III.
He should take the reading from the bottom of the curve of the surface of the water.
IV.
He should take the reading from the highest point of the surface of the water.
A.
II and IV only
B.
I and IV only
C.
I and III only
D.
II and III only
To measure the volume of water in a graduated cylinder, follow these steps: place the cylinder on a flat surface and read the volume from the bottom of the curved surface (meniscus).
Explanation:To measure the volume of water in a graduated cylinder, the correct procedures are:
He should place the graduated cylinder on a flat surface to ensure stability and accurate readings.
He should take the reading from the bottom of the curve of the surface of the water (the meniscus).
These procedures help to ensure accurate measurements by minimizing human errors and taking into account the meniscus, which is the curved surface of the liquid in the graduated cylinder.