Mendelian cross, Dominance, Incomplete dominance and Co-dominance can be differentiated on the basis of the way they are inherited and expressed.Incomplete dominance: It is a type of inheritance where the heterozygous condition results in a blending of the two alleles.
It is different from the Mendelian cross in terms of the resulting phenotype, as the heterozygous offspring is intermediate to both homozygous conditions. An example of this type of inheritance is seen in the color of flowers that are red and white. Co-dominance: It is a type of inheritance where both alleles are expressed independently without any blending or dominance. The resulting phenotype exhibits both alleles distinctly without any intermediate form. This inheritance is different from a normal Mendelian cross as both the alleles are expressed separately and distinctly and there is no dominance of one allele over the other.
The example of this type of inheritance is seen in blood groups where the A and B alleles are both expressed distinctly and there is no blending of the two alleles. Normal Mendelian cross: In this type of inheritance, the dominant allele completely masks the recessive allele and the resulting phenotype exhibits the dominant trait. The heterozygous condition is the same as the homozygous dominant condition and only the homozygous recessive condition exhibits the recessive trait. An example of this type of inheritance is seen in the color of flowers that are red and white.
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1. Explain what happens in the Bowman's capsule of a kidney tubule.
which human activities are responsible for the addition of carbon dioxide ( co2 co 2 ) to the environment? select all that apply. increased use of agricultural fertilizers overfishing marine populations burning fossil fuels clearing land for agriculture
Human activities that contribute to the increase of carbon dioxide (CO2) in the environment include burning of fossil fuels such as oil, coal, and natural gas. Therefore the correct option C.
For energy, clearing of forests and land for agriculture and urban development, and overuse of agricultural fertilizers.
Additionally, the loss of species that aid in absorbing CO2 from the seas due to overfishing of marine populations can raise atmospheric CO2 levels further.
All of these activities have helped to raise the amount of CO2 in the atmosphere, which has caused climate change and the resulting effects on ecosystems and human societies. Therefore the correct option C.
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The FBI uses STR (short tandem repeat) analysis to identify criminals, and the FBI stores the information in a database. How many regions, or loci, of DNA are used for STR analysis? 5 13 26 30
Answer:
13
Explanation:
Short tandem repeats (STRs), also known as microsatellites, are short DNA sequences containing core repeat units of between 2-7 nucleotides (nts) which are tandemly repeated. The STR analysis is commonly used in molecular biology laboratories in order to identify DNA samples by comparing STR loci between samples. For example, the Federal Bureau of Investigation (FBI) uses 13 STR loci for the identification of individuals in the USA. It is important to note that these 13 loci are independently assorted (i.e. they are not linked), and thereby their combined use results in a very low ("nearly zero") false-positive identification rate.
Answer:
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
Explanation:
just Because it is
The pencil has a mass of 5.2g and a volume of 3cm^3. What is its density?(Show formula, work, and units)
determine whether the following statement is true or false. the urine of a healthy individual contains some blood/hemoglobin.
Answer:
it is true he urine of a healthy individual contains some blood/hemoglobin.
Beneficial micro-organisms that are responsible for breaking down organic matter are called?.
Describe the different morphological types of viruses and give examples of each type:
a. Helical
b. Icosahedral
c. Complex
2. Compare and contrast the multiplication of bacteriophages versus the multiplication of animal viruses:
3. Describe how arthropods can act as mechanical vectors and biological vectors:
4. Describe five (5) characteristics of fungi and how they differ from othermicroorganisms: 5. Describe common characteristic of protozoans (protists). Name three (3) protozoans that are human parasites:
6. What are helminths? Name and describe three (3) that can cause problems in humans
Bacteriophages multiply within bacterial cells through the lytic or lysogenic cycle, while animal viruses typically use the steps of attachment, penetration, uncoating, replication, assembly, and release.
Helical viruses have a coiled or spiral-shaped capsid, such as the tobacco mosaic virus. Icosahedral viruses have a symmetrical icosahedral-shaped capsid, like the adenovirus. Complex viruses have a combination of both helical and icosahedral components, such as bacteriophages.
Bacteriophages multiply within bacterial cells through the lytic or lysogenic cycle, while animal viruses typically use the steps of attachment, penetration, uncoating, replication, assembly, and release.
Arthropods can act as mechanical vectors by carrying pathogens on their bodies or in their mouthparts, transmitting them to humans through physical contact. They can also act as biological vectors by harboring and transmitting pathogens within their bodies, such as mosquitoes transmitting malaria parasites.
Fungi are eukaryotic organisms characterized by their filamentous structure (hyphae) and reproduction through spores. They differ from other microorganisms in their mode of nutrition (absorptive), cell wall composition (chitin), mode of reproduction (asexual and sexual), growth at low pH, and preference for organic substrates.
Protozoans are single-celled eukaryotic organisms classified under the kingdom Protista. They exhibit characteristics such as being unicellular, heterotrophic, motile (using cilia, flagella, or pseudopods), and capable of reproduction through binary fission or sexual processes. Examples of human parasites include Plasmodium (causing malaria), Giardia lamblia (causing giardiasis), and Trichomonas vaginalis (causing trichomoniasis).
Helminths are parasitic worms that infect humans. Three examples of helminths that can cause problems in humans are Ascaris lumbricoides (roundworm), Taenia solium (pork tapeworm), and Schistosoma mansoni (blood fluke). These helminths can cause diseases such as ascariasis, taeniasis/cysticercosis, and schistosomiasis, respectively. They have complex life cycles involving different developmental stages and can infect various organs or systems in the human body.
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If the producers in a food chain contains 250 kcal of energy, how
much energy will be present in the primary consumers? *
if you have a genetic mutation that makes you unable to produce interferons, what might be the most likely consequence?
Interferons are proteins that play a crucial role in the immune system's response to viruses. They help to activate immune cells, such as natural killer cells and T cells, which can target and destroy infected cells.
If you have a genetic mutation that prevents you from producing interferons, your immune system may be compromised. You may be more susceptible to viral infections, and your body may not be able to mount an effective immune response to fight off these infections. This could lead to severe and chronic infections, which could be life-threatening in some cases. It is important to seek medical attention and treatment if you suspect that you may have a genetic mutation that affects your immune system's ability to produce interferons.
If you have a genetic mutation that prevents interferon production, the most likely consequence would be a weakened immune response. Interferons are proteins that play a crucial role in defending against viral infections. They help activate immune cells, inhibit virus replication, and stimulate the production of antiviral proteins. Without interferons, your body would be more susceptible to viral infections, leading to increased frequency and severity of illnesses. Moreover, the lack of interferons may compromise your body's ability to coordinate an effective immune response, potentially resulting in prolonged recovery times and complications from infections.
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Which of the following is the function of plant leaves ?
A. Erecting the plant above the ground
B. Providing the attachment of climber plants
C. Absorbing water and mineral from the soil
D. Involves in the process of photosynthesis.
if an insect eats the lettuce seedlings in your yard, it is acting most like a(n):
If an insect eats the lettuce seedlings in your yard, it is acting like an herbivore.
What is an herbivore?An herbivore is an organism that obtains its energy and nutrients to survive by eating plants.
Herbivores are fundamental in the food web and help to control the number of primary producers in the ecosystem.
In conclusion, If an insect eats the lettuce seedlings in your yard, it is acting like an herbivore.
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Critical thinking : Do magnets need to touch a piece of iron or another magnet to exert a magnetic force on the iron or other magnet?
Answer:
I wouldn't think so because it is the magnetic field that Attracts and repels. When iron is magnetised to something don't the molecules lineup in the North the South pattern or something like that to create a magnetic field and stick together.
I might be wrong because this is my personal opinion on the matter.
Answer:
no because the magnetic force attracts the magnet or the iron to it
Explanation:
How does hydroelectric power operate?
1. coal
2. oil
3. water
helppppppppppppppppp
Answer:
Choose the corresponding number. (The answer is explained in the explanation in the biological terms).
Explanation:
The label that points to the part of the ATP synthase that is like the blades of a turbine is labeled "F1." The F1 component of ATP synthase contains the catalytic sites responsible for synthesizing ATP, and it rotates like a turbine to drive the synthesis of ATP. Similarly to how the blades of a turbine are moved by water or wind, the F1 component is rotated by the flow of protons through the enzyme, which generates the energy needed to produce ATP.
We can measure ___ waves with instruments
A- Brain
B- Hand
C- Volume
D- Feet
I'm sorry its A..I didn't read it correctly...
The answer is A- Brain. We can measure brain waves with instruments.
True or False. The role of the respiratory system is to ensure that oxygen leaves the body and carbon dioxide enters the body.
The role of the respiratory system is to ensure that oxygen leaves the body and carbon dioxide enters the body is False.
The role of the respiratory system is to ensure that oxygen enters the body and carbon dioxide leaves the body.
Oxygen is taken in during inhalation and transported to cells for cellular respiration, while carbon dioxide, a waste product of cellular respiration, is expelled from the body during exhalation.
The human body's intricate network of tissues and organs known as the respiratory system is in charge of respiration.
Therefore, The given statement is False.
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The respiratory system's primary role is not to ensure that oxygen leaves the body and carbon dioxide enters it, but the reverse. Through the process of gas exchange, oxygen enters the bloodstream and is delivered to cells, while carbon dioxide is removed and exhaled.
Explanation:The statement posed in the question is False. The main role of the respiratory system is not to ensure that oxygen leaves the body and carbon dioxide enters, but rather the opposite. The purpose of the respiratory system is to perform gas exchange. This process takes place in the alveoli, where oxygen from the air we breathe enters the bloodstream and carbon dioxide, a waste product of cellular respiration, exits the bloodstream to be exhaled.
The respiratory system includes components such as the nasal cavity, the trachea, and lungs that aid in this process. Additionally, these gas exchange processes help to provide cells with the oxygen they need for energy production while removing harmful carbon dioxide produced through respiration.
Certain diseases, like asthma, chronic obstruction pulmonary disorder (COPD), and lung cancer, can affect these processes, making gas exchange and therefore, breathing, more difficult.
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Which is the definition of the equator?
Answer:
The equator is an imaginary line that splits the earth into two sections, the north and south hemispheres. The closer you are to the equator, the more hot it is.
How do coral reefs grow?
A) Coral reefs grow from the melted rock that flows from underwater volcanoes.
B) Coral reefs are comprised solely of limestone deposits.
C) Coral reefs grow similar to a plant.
D) Coral reefs grow upward an accumulation of calcium containing exoskeletons of past generations of coral animals.
Answer:
basically grows from submerged rock underwater
Explanation:
please give brainliest
which symptoms are consistent with crohn's disease? (select all that apply.) group of answer choices diarrhea constipation excessive folate dysphagia abdominal pain weight loss
Symptoms consistent with Crohn's disease include diarrhea, abdominal pain, and weight loss, options A, E and F are correct.
Crohn's disease is a chronic inflammatory condition that primarily affects the gastrointestinal tract. Persistent diarrhea is a hallmark symptom, often accompanied by urgency and frequent bowel movements. Abdominal pain is another common feature, typically cramp-like and localized to the lower right abdomen but can occur in any part of the abdomen.
Unintentional weight loss is frequently observed due to reduced appetite, malabsorption of nutrients, and increased metabolic demands associated with the disease. While other symptoms like fatigue, fever, rectal bleeding, and reduced appetite may also occur, diarrhea, abdominal pain, and weight loss are the most consistent indicators of Crohn's disease. Consulting a healthcare professional is essential for accurate diagnosis and appropriate management of the condition, options A, E and F are correct.
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The complete question is:
Which symptoms are consistent with crohn's disease? (select all that apply.) group of answer choices
A. diarrhea
B. constipation
C. excessive folate
D. dysphagia
E. abdominal pain
F. weight loss
__________________________ a. A laboratory in a major university surveys all the reactions involving bromine. __________________________ b. A pharmaceutical company explores a disease in order to produce a better medicine. __________________________ c. A scientist investigates the cause of the ozone hole to find a way to stop the loss of the ozone layer. __________________________ d. A pharmaceutical company discovers a more efficient method of producing a drug. __________________________ e. A chemical company develops a new biodegradable plastic. __________________________ f. A laboratory explores the use of ozone to inactivate bacteria in a drinkingwater system.
Basic research generates basic knowledge. Applied research solves practical problems. Technological development provides tools and artifacts for research. A: basic research. B, C, F: applied knowdelge. B, D, E: technological development.
----------------------------------------
Let us first review some framework.
Basic research is directed to understand fundamental problems or issues. It is about generating basic knowledge. It constitutes the theoretical basis of knowledge on which applied science or technology is based.Applied research makes use of the knowledge generated by basic science to solve practical problems. It generates knowledge that has practical use.
Technological development is one of the main tools of science. Its main function is to create useful tools and artifacts to facilitate the scientist's work.
Now let us classify each item.
a. A laboratory in a major university surveys all the reactions involving bromine. BASIC RESEARCH
b. A pharmaceutical company explores a disease in order to produce a better medicine. APPLIED RESEARCH and TECHNOLOGICAL DEVELOPMENT
c. A scientist investigates the cause of the ozone hole to find a way to stop the loss of the ozone layer. APPLIED RESEARCH
d. A pharmaceutical company discovers a more efficient method of producing a drug. TECHNOLOGICAL DEVELOPMENT
e. A chemical company develops a new biodegradable plastic. TECHNOLOGICAL DEVELOPMENT
f. A laboratory explores the use of ozone to inactivate bacteria in a drinkingwater system. APPLIED RESEARCH
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Why does temperature change always move from regions of hot to regions of cold?
When two bodies with different temperatures come into thermal contact, they exchange heat energy until they attain thermal equilibrium, at which point the cold body warms up and the hot body cools down.
What is thermal conduction?The process by which heat is transmitted from an object's hotter end to its colder end is known as conduction.
The term "thermal conductivity" refers to an object's capacity to transfer heat, and it is represented by the letter k. Heat naturally moves in the direction of a temperature gradient.
Thermal conduction is the term used to describe the flow of energy (heat) caused by temperature variations between nearby body parts.
The kinetic energy of the atoms in hot bodies is higher than that of the atoms in cold bodies.
The higher kinetic energy atoms attempt to move and collide with the lower kinetic energy atoms in order to preserve thermal equilibrium. As a result, heat can be transferred from a hot body to a cold body.
Thus, temperature change always move from regions of hot to regions of cold.
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What are some effects of prostaglandins in the body? check all that apply. work to make reactions go faster in digestive and metabolic processes stimulate contraction and relaxation of smooth muscle
The effects attributed to prostaglandins in the body include:
1. Promotion of inflammation and pain.
4. Stimulation of smooth muscle contractions and relaxations.
5. Regulation of blood pressure levels.
Prostaglandins are lipid compounds derived from fatty acids that have a wide range of effects in the body. One of the main functions of prostaglandins is their involvement in inflammatory processes, where they promote inflammation and contribute to the sensation of pain.
Additionally, prostaglandins play a role in regulating smooth muscle activity. They can stimulate the contraction and relaxation of smooth muscle in various organs, such as the uterus, gastrointestinal tract, and blood vessels.
Furthermore, prostaglandins are involved in the regulation of blood pressure. They can have both vasodilatory and vasoconstrictive effects, influencing the diameter of blood vessels and thus impacting blood pressure levels.
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the complete question is:
Please indicate the effects attributed to prostaglandins in the body. Choose all that are applicable:
Promotion of inflammation and pain
Facilitation of appropriate growth
Acceleration of reactions in digestion and metabolism
Stimulation of smooth muscle contractions and relaxations
Regulation of blood pressure levels
Leann wants to organize her data from researching the effect of hours of sunlight on plant growth to see if there is a trend in the data what is the best way to display her data for analysis so she can make predictions about the amount of light needed for maximum growth
Which of the following statements about fungi is true?
a. All fungi are unicellular
b. All fungi have cell walls
c. All fungi are prokaryotic
d. All fungi are autotrophic
All fungi have cell walls. So, the correct option is B.
What are Fungi?A fungus is defined as a member of a group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms.
These belong to kingdom Fungi having a cell wall. Among the living organisms, they belong to heterotrophs category. They are classified as plants but do not contain chlorophyll. Their cell wall is made of chitin through which nutrients is obtain by the process called absorption.
They are either decomposers or parasites that obtain their food from other organisms. Fungi are both unicellular and multicellular like yeast is unicellular while other fungi are multicellular.
Thus, all fungi have cell walls. So, the correct option is B.
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5. Which is a limitation of using models in
science? sc.7.N.3.2
A delaying the outcome of an experiment
B hindering experimenters from testing
their hypotheses
Obasing models on an incomplete or
inaccurate observation
45
Dinhibiting the ability of scientists to
communicate with one another
Out of the given four options, option C: basing models on an incomplete or inaccurate observation is a limitation of using models in science is the correct one.
Why is basing models on an incomplete or inaccurate observation a limitation?Scientific models are representations of complex systems or phenomena that allow scientists to make predictions and test hypotheses. However, models are based on observations and data, which may be incomplete or inaccurate. This can lead to inaccurate predictions and faulty conclusions, which can hinder scientific progress.
While delaying the outcome of an experiment or hindering experimenters from testing their hypotheses can be limitations of using models, they are not inherent limitations of using models. In fact, models can often speed up the process of scientific discovery by allowing scientists to make predictions without conducting time-consuming experiments. Similarly, models can facilitate communication among scientists by providing a common language and framework for discussing complex systems or phenomena.
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If the cell population of an exponentially growing culture goes from 103 cells/ml to 106 cells/ml over a four hour period, what is the generation time of these cells?.
The generation time of cells growing exponentially from 10³ cells/ml to 10⁶ cells/ml over a period of 4 hours will be 24 minutes.
Generation time can be calculated using the formula:
Total time / number of mitotic cycles.
For this, the mitotic cycles need to calculated to reach from 10³ cells/ml to 10⁶ cells/ml.
Total cells= N × \(2^{n}\)
where N = initial cells and n= number of mitotic cycles
10⁶ = 10³ × \(2^{n}\)
\(2^{n}\) = 10⁶ / 10³
\(2^{n}\) = 10³
Therefore, number of mitotic cycles, n = 10
Now, generation time = (4 × 60 minutes) / 10
Hence the generation time = 24 minutes.
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Why cannot all plants prepair there food?try a short answer
Answer:
to the absence of chlorophyll
the difference between active gene-environment associations and niche picking is: group of answer choices d) active gene-environment associations and niche picking are the same (b) niche picking has to do with seeking out or creating environments (a) active gene-environment associations have to do with active responses from the environment (c) both a and b
Active gene-environment associations and niche picking are the same.
Environmental association analysis can reveal adaptation patterns that are not picked up by more conventional methods for the detection of outlier loci based on population genetic difference. It does this by identifying genetic variants linked to specific environmental conditions.
When a person chooses surroundings based on features that are impacted by genetics, there is an active gene-environment association. For instance, highly intelligent students may choose harder classes, which broadens their knowledge even more.
When people choose specific social or physical surroundings, it is known as niche-picking. As a result, there are non-random correlations between an individual's phenotype (and possibly also genotype) and the environment in which they are born and grow up.
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true or false? Transcription factors regulate the gene expression either by enhancing transcription, attracting RNA polymerase, or block the access to certain
genes.
True. Transcription factors regulate gene expression by binding to specific DNA sequences, either enhancing or blocking the transcription of genes by attracting or repelling RNA polymerase.
RNA polymerase is an enzyme that synthesizes RNA from a DNA template. It catalyzes the transcription of DNA into RNA by adding ribonucleotides to a growing RNA strand complementary to the template DNA strand. RNA polymerase is a complex enzyme, and different types exist in different organisms.
In eukaryotes, RNA polymerase II is responsible for the transcription of most protein-coding genes.DNA (deoxyribonucleic acid) is a long, double-stranded biomolecule that carries the genetic instructions used in the development, functioning, and reproduction of all living organisms.
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Determine the function of the following organelles
Answer:
you have to list the organelles to get an answer