Answer:
The universe was created at the Big Bang.
Explanation:
The symbiotic relationship between a flower and the insect that feeds on it's nectar is an example of?
Answer:
the flower needs the insect to spread the flowers pollen and the insect feeds on the nectar.
Explanation:
Fungi and bacteria are ___?
Bacteria and fungi are Microorganisms
A purebred talk pea plant is crossed with a purebred short pea plant. All of the resulting offspring are tall. What does this tell you about the gene controlling pea plant height?A. The short version of the gene wasn’t passed from the short parent to the offspring. B. The short version of the gene is dominant to the tall version of the gene. C. The tall version of the gene is dominant to the short version of the gene. D. The tall version of the gene wasn’t passed from the tall parent to the offspring.
Answer and Explanation:
We assume that the tall version has genes denoted by T, and short versions have genes denoted by t.
Purebred tall version will have genotype TT, and short version, tt.
The Punnett square for the crossing between purebreds would be the following:
T T
t Tt Tt
t Tt Tt
Which means that the offsprings all have genotype Tt. If they appear tall, this implies that the tall variety (T) is dominant, so the phenotype of the short version is not expressed.
Conclusion: The tall version of the gene is dominant to the short version of the gene.
The tall pea plant gene is dominant, and the short pea plant height is submissive. Each offspring has both genes, but since the tall gene is dominant, it is the only gene that shows up. Thus, option "C" is correct.
How, explain your answer?From a heterozygous cross (Tt x Tt) the produced offspring would consist of:
25% TT -it would be tall-.
50% Tt -it would be tall as the gene T is dominant-.
25% tt -it would not be tall-.
Thus the produced offspring that would be tall is (50% + 25%) 75%. The answer is option C.
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How does intestinal failure affect the body?
Oxygen does not make it to the brain.
Energy is not given to the body.
Carbon dioxide builds up in the body.
Blood is not moved in the body.
Answer:
Intestinal failure occurs when the intestines are no longer able to absorb nutrients or fluids. ... When the small intestine is missing, the body cannot absorb water, vitamins, and other nutrients from food to sustain life. Motility disorder, such as gastroparesis, is a common cause of intestinal failure.
Explanation:
Thus the above response i.e., "option b" is correct.
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how do levels of thermal energy and speed differ between low and high friction surfaces? how does this difference relate to a transformation of energy?
- "This energy is usually in the form of low-level thermal energy. It is only possible to extract work when there is a temperature difference, so low-level thermal velocity; this means that the force of friction and the applied force are equal in magnitude."
- "An energy transformation is the change of energy from one form to another. Energy transformations occur everywhere every second of the day. There are many different forms of energy such as electrical, thermal, nuclear, mechanical, electromagnetic, sound, and chemical."
Answer:
Speed reduces with increased friction while thermal energy increases with increased friction
Explanation:
The higher the friction between two surfaces the higher will be the thermal energy while the lower will be the speed.
While in case of no or low friction between two surfaces, the thermal energy will reduce while the speed increases tremendously and causes slipping.
The energy transforms from kinetic energy to frictional energy and then to thermal energy.
How was CBM radiation first discovered
Answer:
It was Discovered on May 20, 1964, By American radio astronomers Robert Wilson and Arno Penzias discovered the cosmic microwave background radiation (CMB), the ancient light that began saturating the universe 380,000 years after its creation.
Explanation:
Answer:
On May 20, 1964, American radio astronomers Robert Wilson and Arno Penzias discovered the cosmic microwave background radiation (CMB), the ancient light that began saturating the universe 380,000 years after its creation. And they did so pretty much by accident.
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in drosophila melanogaster, white eye is a x-linked recessive
Answer:
In Drosophila melanogaster, white eye is an X-linked recessive trait, and red eye is an X-linked dominant trait. Assume that the flies have a diploid set of ...
Explanation:
Which statement about stress is true?
Answer:
A hopefully the answer is right
Answer: C
Explanation: Positive stress can help you accomplish goals.
Why can lichens be used as living indicators of air pollution
Answer:
The hardy lichens are useful bioindicators for air pollution, espeially sulfur dioxide pollution, since they derive their water and essential nutrients mainly from the atmosphere rather than from the soil.
Explanation:
It also helps that they are able to react to air pollutants all year round.
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Final answer:
Lichens are used as indicators of air quality due to their sensitivity to pollutants, with their health and abundance being used to monitor environmental conditions. Their decline signals increased air pollution, while their presence indicates cleaner air. They also have ecological and historical significance.
Explanation:
Lichens are excellent biological indicators of air quality due to their extreme sensitivity to pollutants, particularly nitrogenous and sulfurous compounds. These organisms lack roots, thus they absorb water and nutrients over their entire surface area, making them especially vulnerable to pollutants dissolved in rainwater. The U.S. Forest Service and National Park Service utilize the health and abundance of lichen populations in an area to monitor air quality. When lichens decline or disappear from an area, it is often a sign that the air is heavily polluted. Conversely, their presence usually indicates cleaner air conditions.
Evolution is one example of a theory. From what you understand about the meaning of the
word theory in science, what can you conclude about this theory?
There is very little evidence to support it.
It may soon become a law.
Scientists no longer need to test this idea because once a theory is determined it is not
revised.
It is supported by hypotheses, repeated tests and law from one or more fields of science.
Answer: It is supported by hypotheses, repeated tests and law from one or more fields of science.
Explanation:
In the context of science, a theory is a well-established explanation for scientific data. Theories typically cannot be proven, but they can become established if they are tested by several different scientific investigators.
The term 'theory' in science, such as the theory of evolution, refers to a well-supported explanation confirmed through testing and evidence, not a guess. It is incorrect to dismiss evolution as 'just a theory' as it misconstrues the scientific strength and evidence behind it.
When discussing the theory of evolution, it's important to understand the scientific meaning of the word 'theory'. A scientific theory is not a simple guess, but rather a comprehensive explanation of aspects of the natural world that has been substantiated through extensive testing, observation, and experimentation. Theories are supported by a multitude of evidence and, contrary to popular misconception, are not on the verge of becoming a law. Scientific laws describe relationships under certain conditions in nature, while theories explain why these relationships exist.
The theory of evolution is one such well-established theory, supported by evidence from various fields, including anatomy, genetics, paleontology, and ecology. It articulates how species change over time through mechanisms like natural selection and genetic drift. Theodosius Dobzhansky's statement that 'nothing in biology makes sense except in the light of evolution' underscores the fundamental role of evolutionary theory in the biological sciences. It is incorrect to say that evolution is 'just a theory' in an attempt to diminish its credibility; such a statement misunderstands the scientific definition and the robust evidentiary support backing it.
_____ is the irregular break of a mineral
Answer:
I'm not sure if this is right, but i believe the right answer would be fracture.
Explanation:
In geology, a fracture is any separation in a geologic formation, such as a joint or a fault that divides the rock into two or more pieces. A fracture will sometimes form a deep fissure or crevice in the rock. Fractures are commonly caused by stress exceeding the rock strength, causing the rock to lose cohesion along its weakest plane.
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Answer: Fracture
Explanation:
What are the products of cellular respiration in a living tissue culture when maintaining in a glucose solution with adequate oxygen
Answer:
The answer is
aerobic respiration and the products of that are Carbon Dioxide and Water.
Glucose and oxygen react to form ATP. Water and carbon dioxide are released in the form of byproducts.
What is cellular respiration?Cellular respiration is a sequence of chemical processes that break down glucose to generate Power, which can then be used as energy to power a variety of reactions all through the body.
Cellular respiration consists of three major steps: glycolysis, the citric acid cycle, and oxidative phosphorylation.
Cellular respiration is the process by which organisms (animals and plants) decompose sugar in the presence of oxygen in order to release energy in the form of ATP. As a byproduct of this process, carbon dioxide and water are produced.
Thus, during culture of living tissues, with glucose and adequate oxygen, the products of cellular respiration will be water and carbon dioxide.
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why is chlorophyll not able to capture the energy in green light
All plants have chlorophyll-a which blocks(reflects) green light and absorbs red and blue wavelengths. It seems like it would be more efficient for plants to absorb green light since energy is most powerful from the sun through green wavelengths. However, the chlorophyll-a in chloroplasts actually defend the plant from harmful damage of the TREMENDOUS amount of power from the sun transmitted in green wavelengths.
SO CHLOROPHYLL-A PROTECTS PLANTS FROM TOO MUCH ENERGY IN GREEN LIGHT.
Which element is considered the most versatile element in living organisms and why?
A.hydrogen, because it is a key component in organic molecules and provides most of the mass of human bodies
B.hydrogen, because it can be found in both organic and inorganic molecules
D.carbon, because it can bond with many elements to form complex molecules
D.carbon, because it provides strength to the important protein, keratin
Answer:
Carbon
Explanation:
Carbon, because it can bond with many elements to form complex molecules" is the element that is considered the most versatile element in living organisms
Final answer:
Carbon is the most versatile element in living organisms due to its ability to form stable covalent bonds with various elements, creating complex organic molecules vital for life.
Explanation:
The element considered the most versatile in living organisms is carbon, primarily because of its unique chemical bonding properties. Carbon's four outer shell electrons allow it to form four covalent bonds with a variety of other atoms, leading to a vast diversity of complex organic molecules essential for life. This capability enables the formation of the four major types of biological molecules: carbohydrates, lipids, proteins, and nucleic acids, all of which play crucial roles in the structure and function of living cells.
what are the responsiblities of the region of the brain highlighted below
Answer: "regulating important involuntary bodily functions such as blood pressure, heart rate, breathing and swallowing".
Explanation:
The area highlighted in this example is the posterior part of the brain, called the brainstem. The brainstem is comprised of three important parts, the medulla, the pons and the midbrain. The basic functions of this brain area include breathing, heart rate and sleeping.
How can these forelimbs explain how life changes over time?
Answer:
The correct answer would be divergent evolution showing by homologous organs.
Explanation:
In the illustration human arm, the flipper of the dolphin, wings of bat and forearm of frog are shown. All these four forelimbs have a different function, however, these forelimbs are having the same underlying anatomy.
The organs having basic structure and origin, but different functions are known as homologous organs. These organs point towards the same ancestor from these organisms evolved. They show a case of divergent evolution.
When related species become less similar in order to adapt and survive in different conditions, evolution is called divergent evolution.
Thus, these forelimbs provide evidence for divergent evolution.
which is a function of nucleic acids
Answer:
Explanation:
Nucleic acids are important because they make up genetic information in living things. There are two types of nucleic acid and they are DNA and RNA. DNA is the basic instructions for living things. It is passed down from parent to offspring and is found in the nucleus of the cell.
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Which are characteristics of polyps?
A. are usually sessile, have tentacles, mouths open downward
B. swim freely, lack tentacles, mouths open upward
C. swim freely, have tentacles, mouths open downward
D. are usually sessile, have tentacles, mouths open upward
Answer:
D. are usually sessile, have tentacles, mouths open upward
Explanation:
Answer:
d
Explanation:
i took the test
prokaryotes can take up genetic material from each other without reproducing or even being closely related in a phenomenon called?
A. abiogenesis
B. ribosomal uptake
C. horizontal gene transfer
D. parasitism
Answer:
C. horizontal gene transfer
Explanation:
Horizontal gene transfer (HGT) can be defined as a method of gene transfer, which involves movement of genetic material between organisms by means other than reproduction or transfer of genetic material from parent to offspring.
In prokaryotes, HGT occurs by means of conjugation, transformation, or transduction.
Conjugation involves transfer of DNA between bacteria by direct cell-to-cell contact or conjugation bridge. Transformation involves uptake of naked DNA by the bacterial cells and trasnduction involves gene transfer wit the help of bacteriophages.
Thus, the correct answer is option (C).
Horizontal gene transfer or lateral gene transfer is the movement of genetic material between unicellular and/or multicellular organisms other than by the transmission of DNA from parent to offspring. HGT is an important factor in the evolution of many organisms.
Prokaryotes can take up genetic material from each other without reproducing or even being closely related in a phenomenon called horizontal gene transfer. Therefore, option (C) is correct.
Horizontal gene transfer (HGT) is a type of gene transfer that involves moving genetic material from one organism to another without reproducing or passing genetic material from a parent to a child.
HGT happens via conjugation, transformation, or transduction in prokaryotes.
Through direct cell-to-cell contact or a conjugation bridge, DNA can be transferred between bacteria during conjugation. Both transformation and transmission involve the transfer of genes using bacteriophages and involve the uptake of DNA by the bacterial cells.
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Why do you think scientists use the word mutate to describe the genetic process shown in the video?
Answer:
to show how the genetics can instantly turn odd in shape or other traits or factors
Explanation:
Mutate means “to change into something else.” When a mutation occurs in a gene, it changes the way a gene expresses in an organism. Proteins are the products of gene expression. Therefore, a mutation in a gene may cause a change in the way proteins form.
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which type of molecule that can be found in living things lack carbon atom
water molecule is one of few molecule that lack carbon atom
h2o
Answer: Water
Explanation:
The most important component of living beings is water. The structure of the water molecules contains hydrogen and oxygen.
The molecules are arranged in such a way that hydrogen and oxygen molecules are bind together by hydrogen bonding.
The water molecules does not contains carbon atoms in it. It only has hydrogen and oxygen molecules.
It is found in all the living forms as it is very important for the survival of living organism.
How do animals get nitrogen
A. They break down glucose molecules into nitrogen
B. They convert carbon to nitrogen during fixation
C. They eat plants and other animals
D. They breathe it in from the atmosphere
Answer:
A they break down glucose moleculws
Answer:
C. They eat plants and other animals
Explanation:
Nitrogen is very important for life on Earth. It is an essential nutrient for plants and animals, it is a major component of protein. Protein is neccessary for animals to grow, reproduce, and survive. Through the nitrogen cycle, it's atoms move between living things, dead things, the air, the soil, and water. Plants incorporate nitrogen from soil, and when they are eaten by animals, animals incorporate it too. Carnivores get it from their preys.
Which of the following is a benefit of urban development?
A. Development of economic centers
B. Development on agriculture land
C. Decrease in biodiversity
D. Depletion of freshwater
A. Development of economic centers
Answer: A. Development of economic centres.
Explanation:
Urban development is associated with establishment of the economic centers which are the source of generation of money like buisness offices, and finance government offices which checks the allocation of money in the entire urban area.
the atomical plane denoting the vertical field running through the body from front to back dividing the body into the right and left sides is the what
The sagittal plane divides the body vertically into left and right sides, with the midsagittal plane further specifying equal halves. The coronal plane divides the body into front and back, while the transverse plane divides it into upper and lower parts. Option b is correct.
This plane can further be classified into the midsagittal plane when it divides the body into equal left and right halves and parasagittal plane when the division into left and right sides is unequal.
Coronal (frontal) plane: Divides the body into anterior (front) and posterior (back) portions.Transverse plane: Divides the body into superior (upper) and inferior (lower) portions.Midsagittal plane: Divides the body vertically into equal left and right halves.In summary, while several anatomical planes can be used to describe sections of the body, the vertical division into right and left sides specifically corresponds to the sagittal plane, with the midsagittal plane being a special case of the sagittal plane that divides the body into equal halves.
Complete question as follows:
the atomical plane denoting the vertical field running through the body from front to back dividing the body into the right and left sides is the what
a. coronal plane or frontal plane
b. sagittal plane
c. transverse plane
d. midsagittal plane
This is a ____ crescent moon.
A) new
B) old
C) quarter
D) waxing
Answer: The answer is D) Waxing.
Explanation:
Answer:
D) Waxing
Explanation:
There are several problems with classifying organisms into six kingdoms of life. One problem is that _______ aren't well defined and are very diverse. In addition, any eukaryotes that don't fit into other kingdoms are placed in this kingdom.
Answer:
The given blank can be filled with protists.
Explanation:
The organisms or species coming under the kingdom Protists are mainly unicellular, however, they also do comprise certain kinds of multicellular species. As mentioned in the question, the eukaryotes, which do not snug in other kingdoms are kept in this kingdom. As a consequence, even the members of the kingdom Protists do not share much of the similarities, as it comprises diverse species.
In which location would be rate of soil erosion most likely be higher than the rate of soil formation? A. A river delta B. A steep slope C. A tropical area with moderate rainfall d. A temperature forest
Answer:
B. A steep slope
Explanation:
The rate of erosion is the highest on barren lands and on steep slopes. The steep slopes are much more easy to erode because the gravity is pulling downwards, and the angle of the slope is helping that a lot. Also, the steeper the slope is, the less vegetation there is, thus the soil usually is not protected from erosion. When there's rain, snow, stronger winds, they manage to pull down the soil with ease as there's nothing that is an obstacle to stop them. That results in gradual leveling up of the slope, constantly losing on height, and eventually being totally flattened.
Final answer:
The rate of soil erosion is likely to be higher than the rate of soil formation on a steep slope due to more runoff and less vegetation to hold the soil in place.
Explanation:
The location where the rate of soil erosion would most likely be higher than the rate of soil formation is B. A steep slope. This is because soil can only develop where surface materials remain in place and are not frequently moved away by processes such as mass wasting. Steep slopes usually have more soil erosion due to several factors: more runoff of rainwater, less water infiltration, and less vegetation to anchor the soil. This results in little or no soil as the formation cannot keep up with the erosion. Other locations like river deltas, tropical areas with moderate rainfall, and temperate forests have mechanisms that help in soil accumulation or experience a balance between soil formation and erosion.
How much does an elephant weigh?
Answer:
An African Bush Elephant- 13,000 lbs
An Asian Elephant- 12,000 lbs
An African Forest Elephant- 6,000 lbs
Explanation:
Poison ivy vines often climb tree trunks toward light. They do not harm the trees. What form of symbiotic relationship is this? *
a. Mutualism
b. Commensalism
c. Predation
d. Parasitism
Answer:
commensalism is your answer
Explanation:
commensailisn is where both organisms benefit and neither bring harm to each other.
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Will Give Brainliest And 5 Star /// Which of the following technologies would best help a farmer who wants to increase the crop production in his farm?
Cloning, because it can create identical copies of crops to increase the genetic diversity
Genetic engineering, because it helps increase the diversity of crops by making them stronger
Genetic engineering, because it helps crops grow larger and faster and resist diseases and insects
Cloning, because it can create genetically modified crops that can withstand severe weather conditions
Answer:
Genetic engineering, because it helps crops grow larger and faster and resist diseases and insects
Explanation:
Cloning does not increase the genetic diversity, because all the plants will be exactly the same. Cloning does not involve genetically modifying genes, so A and D are wrong period. Genetic engineering can be done to produce crops that are resistant to diseases and insects along with growing faster and stronger.
Answer:
the answer is C
Explanation: