An organism that has two different alleles of a given gene has a(n) heterozygous genotype. aneuploid dizygous heteromorphic heterozygous homozygous
Heterozygous genotypes are characterized by two different alleles of a particular gene. These alleles can be inherited from different parents or from the same parent, and this type of genotype is also known as a dizygous genotype.
An example of this is eye color; if an individual has one allele for blue eyes and one allele for brown eyes, they would have a heterozygous genotype. This type of genotype is important for producing genetic diversity, allowing for adaptations that can be beneficial to a species. It is also important to note that having a heterozygous genotype does not guarantee that the individual will express the traits of both alleles; rather, the individual will usually express the trait of the dominant allele.
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What tropism does the experimental data above show?
phototropism
hydrotropism
geotropism
Answer:
phototropism
Explanation:
This shows phototropism since plant is growing towards light.
I need help with this. URGENT!!
The nitrogen cycle is a repeating cycle of processes during which nitrogen moves through both living and non-living things: the atmosphere, soil, water, plants, animals and bacteria.
What are the characteristics of nitrogen cycle?The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial, and marine ecosystems.
There are five stages in the nitrogen cycle, and we will now discuss each of them in turn: fixation or volatilization, mineralization, nitrification, immobilization, and denitrification.
The nitrogen cycle matters because nitrogen is an essential nutrient for sustaining life on Earth. Nitrogen is a core component of amino acids, which are the building blocks of proteins, and of nucleic acids.
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Which type of granular leukocyte can engulf up to two dozen bacteria and also produces a respiratory burst that creates harsh chemical agents such as hydrogen peroxide
The type of granular leukocyte that can engulf up to two dozen bacteria and also produces a respiratory burst that creates harsh chemical agents such as hydrogen peroxide is Neutrophil.
Neutrophil:
A type of white blood cell that is an important part of the immune system and helps the body fight infection. Neutrophils are one of the first immune cells to respond when microorganisms such as bacteria and viruses enter the body. The most common type of white blood cell. Neutrophils make up 50% to 75% of all circulating leukocytes in the blood. Neutrophils, along with eosinophils and basophils, form a group of white blood cells known as granulocytes.
High neutrophil counts can be caused by many physiological conditions and diseases. This high neutrophil count is called neutrophilia.
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1. Which organisms are primary producers in this food web? How do you know?
2. Which organisms are primary consumers in this food web? How do you know?
3. Which organisms are apex predators in this food web? How do you know?
4. Are there any omnivores in this food web? How do you know?
Answer:
corals is the primary producers.planktonsharkThis website is so bad like i asked help for something yesterday legit, and i got warned just take my points guys. es
Answer:
The number of moles of acid that were neutralized can be found by multiplying the volume of the base (in liters) by its concentration (in moles/liter) and then multiplying that value by the stoichiometric coefficient of the acid in the balanced chemical equation for the neutralization reaction.
Explanation:
To begin, we need to convert the volume of the base from milliliters to liters.
50.40 mL = 0.0504 L
Next, we can multiply the volume of the base (in liters) by its concentration (in moles/liter) to find the number of moles of base used in the titration.
0.0504 L * 0.542 M = 0.0272 moles
Since this is a neutralization reaction between a monoprotic acid and a strong base, the acid:base ratio is 1:1.
So the acid that has been neutralized is also 0.0272 moles.
Answer: Why
Explanation: That isn't good. I hope you have a good rest of your day!
How do you calculate pedigree risk?
Pedigree risk calculation: A heterozygote has a 50% chance of not passing the a gene to their progeny. The likelihood that she won't pass it on to one of her two children is (1/2)(1/2) = 0.5 2 = 1/4.
By analysing a pedigree, we may identify genotypes, recognise phenotypes, and predict how a trait will be passed down in the future. A pedigree's information can be used to assess an allele's mode of inheritance, such as whether it is dominant, recessive, autosomal, or sex-linked.
Analyze the trait's dominance or recessivity. The trait must be possessed by one of the parents in order to be dominant. No generation will be exempt from prevailing traits. As long as both parents are heterozygous, a recessive characteristic can exist even if neither parent possesses it.
If the trait is autosomal or sex-linked, analyse the graph to find out (often X-linked). For instance, in X-linked recessive traits, males are noticeably more likely to be affected than females. Autosomal traits have an equal chance of affecting males and girls (usually in equal proportions).
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Each gene ___ for a different_____
Answer:
I think its each gene pair for a different sex cell
Explanation:
i'm not 100% on this, if its wrong im very sorry
What changes the carrying capacity of an ecosystem?
Answer:
Several factors affect the carrying capacity of an ecosystem. These factors include food supply, water supply, habitat space, competition (intraspecific and interspecific), physical factors (e.g. extreme heat, drought, etc.), chemical factors (e.g. pH, mineral deficiency, etc.), and anthropogenic factors
Explanation:
The term that refers to the presence of a tuft of flagella emerging from a single site is ______.
A. amphitrichous
B. lophotrichous
C. peritrichous
D. atrichous
E. monotrichous
Vlophotrichous Cell Biology describes tufts of flagella that are located near the cell pole.
How do flagella work? What are they made of?Flagella are tiny organelles that resemble hairs and aid in cell movement. In Latin, "flagellum" means "whip." A cell is helped to move through the fluid by the flagella, that resemble whips. Only a few number of organisms have special flagella that serve as sensing organs for temperature and pH changes.
What is a flagella cell?The flagellum's main purpose is to promote chemotaxis and movement. Bacteria can have one or more flagellums, and they can also be peritrichous or bipolar (containing several flagella at a single site) (having multiple flagella throughout the entire bacterium).
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If the results from a scientific experiment do not support the hypothesis, then the experiment
A
is a failure.
B.
can be revised.
C.
must be done again.
D
should be continued without the hypothesis.
Answer:
D
Explanation:
Which biomolecule contains fats, oils, and waxes?
Answer:
lipids
Explanation:
have a good day! :)
what enzyme can proof-read the dna molecule, minimizing the mistakes made during the process of dna replication?
The DNA polymerase enzyme's capacity to proofread the DNA molecule helps to decrease DNA replication mistakes.
Fortunately, cells have developed extremely complex mechanisms to correct most of those errors, but not all of them. While some errors are fixed following replication in a stage called mismatch repair, others are fixed while replication is still happening in a stage called proofreading. Replication is impeded when an erroneous nucleotide is added to the developing strand because the exposed 3′-OH group is in the wrong location. DNA polymerase enzymes notice this during proofreading and swap out the erroneous nucleotide to keep replication going. Even if 99 percent of mistakes may be corrected by proofreading, accurate cell reproduction is still not possible.
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how is homeostasis maintained in glucose regulation using an example and what culd happen if the homeostasis isnt maintained
Answer:
Homeostasis is the maintenance of a stable internal environment within the body. In the case of glucose regulation, the body works to maintain a stable blood glucose level by releasing hormones such as insulin and glucagon. If homeostasis is not maintained in glucose regulation, it can lead to conditions such as hyperglycemia (high blood glucose levels) or hypoglycemia (low blood glucose levels). Both of these conditions can be serious and potentially life-threatening if left untreated. Hyperglycemia can lead to diabetes and other long-term health problems, while hypoglycemia can cause symptoms such as dizziness, weakness, and fainting.
Answer:
Through its various hormones, particularly glucagon and insulin, the pancreas maintains blood glucose levels within a very narrow range of 4–6 mM. This preservation is accomplished by the opposing and balanced actions of glucagon and insulin, referred to as glucose homeostasis
How do you find the effort force of a second class lever?
In a class two lever the force of the effort multiplied by the distance of the effort from the fulcrum is opposite and equal to the force of the resistance multiplied by the distance of the resistance from the fulcrum.
The force utilized to move an object across a distance is called an effort force. To use a rudimentary machine to perform work on an item, this force must be overcome. By dividing the load by the number of ropes, we may get the pulley's effort force. F is the effort force in the diagram.
For instance, when using a shovel, you hold one end stable to serve as the fulcrum and pull up on a load of soil with your other hand. The resistance force is the dirt being picked up, and the effort force is the second hand.
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acid rain contributes to all of the following problems except: A) smog B) loss of biodiversity C) damage to vegetation D) advance chemical weathering
Answer:
From what I've seen in my lessons the answer should be C. Just let me know if I'm wrong or not. Cheers!
According to Porter's model, which of the following should be considered when analyzing a firm's competition? (check all that apply)
buyers
the regulations in possible host countries
suppliers
the threat of substitutes
This model states that five forces determine the level of industry’s competition and profitability. The five forces are: (1) threat of new entrants, (2) bargaining power of buyers, (3) bargaining power of suppliers, (4) threat of substitutes, and (5) rivalry among existing firms.
Porter’s model of competition is a widely accepted framework for understanding the competitive landscape of an industry. When analyzing a firm’s competition, all of these forces should be considered. For example, understanding the threat of new entrants is important because it can impact the level of competition and pricing within the industry.
Similarly, the bargaining power of buyers and suppliers can be influential in setting industry prices and margins. Additionally, the threat of substitutes should be considered, as this can affect the demand for the firm’s product or service. Finally, the regulations in possible host countries should be taken into consideration, as these can also impact the firm’s ability to enter and operate in foreign markets.
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Need help ASAP! Will give brainliest;) NO LINKS please, WILL REPORT.
A). Tuna
B). Dog
C). Mold
D). Horse
Answer:
d horse ,................................ I think
explain the biological principle behind the preservation of meat by salting
a) In which diagram (1 or 2) would the person be experiencing summer? Why?
b) In which diagram (1 or 2) would the person he be experiencing Winter? Why?
In diagram 1, the person would experience summer whereas, in diagram 2, the person would experience winter.
How earth's axis is responsible for different seasons?The axis of planet earth is tilted at an angle of 23.5 degrees away from the vertical plane. During the rotation around its own axis, planet earth performs a wobbly movement in which its northern hemisphere comes closer to the sun while its southern hemisphere gets away from the sun and vice versa.
In months around June, the northern hemisphere is tilted toward the sun causing it to receive more direct sunlight compared to the southern hemisphere. This creates the summer season in the northern part. The southern hemisphere meanwhile experiences winter seasons.
In months around December, the northern hemisphere is tilted away from the sun while the southern hemisphere is tilted towards the sun. Hence, the north experiences winter while the south experiences summer season.
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Length of DNA and RNA
Answer:
. A DNA molecule in a human chromosome can be up to 250 million nucleotide-pairs long; in contrast, most RNAs are no more than a few thousand nucleotides long, and many are considerably shorter.
Question 22 of 22 Several members of the family in the pedigree who suffered from a disease are colored in black. Currently deceased members of the family are struck out with a line. Based on the data in the pedigree, propose a Mendelian model that would explain the inheritance of this disease. Explain how the data is consistent with your model. A scientist hypothesizes that a mutation at a single locus is responsible for the pattern of inheritance seen in this pedigree. Explain how a mutation in a gene can arise during meiosis. Describe one strategy organisms use to prevent such mutations from arising.
A. Many families have Alzheimer's disease. From this we conclude that the disease is X-linked recessive.
B. Meiosis is the process of generating gamete cells. There are two choices: mutual break join and another non-reciprocal break copy.
Many families are affected by Alzheimer's disease. It cannot be autosomal inherited because it affects more men than women. Affected males in the second generation have many affected children with normal wives.
If it was autosomal dominant, the sick father would have passed it on to all his second-generation children, but that is not the case. Therefore, it cannot be autosomal dominant.
If it had been autosomal recessive, he would not have affected his children, as his wife appears normal. increase. Therefore, it is not an autosomal abnormality.
Not X-linked dominant, in which case the affected father passed his only X chromosome to his daughter, making her daughter sick. But in this case, the sons are involved. Therefore, it is not X-linked dominant.
From this we conclude that the disease is X-linked recessive.
B. Meiosis is the process of generating gamete cells. Mutations can occur during meiosis in various ways such as double-strand breaks, inversions and point mutations. Important mutation types include missense, nonsense, and point mutations. Cells use multiple repair mechanisms to repair DNA damage or mutations during meiosis. One of the most efficient mechanisms is double-strand break repair by homologous recombination (HR).
Here, the DNA is unwound at the mutated region by recA loading. Recombination with homologous pairs continues through the RecBCD complex.
Here are his two alternatives: reciprocal break join and another non-reciprocal break copy.
Repair normally occurs during her S phase of the cell cycle, when the cell divides its DNA. However, mutations that occur during meiosis, such as chromatid pairing and recombination, are not easily repaired. Cells stop dividing only when the mutation gets worse.
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4. How is RNA like DNA?!
Answer:
Like DNA, RNA is made up of nucleotides. ... There are two differences that distinguish DNA from RNA: (a) RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom), and (b) RNA has the nucleobase uracil while DNA contains thymine.
The relative movements of Earth, the Moon, and the Sun create patterns of change we observe.
A complete and accurate model for explaining the phases of the Moon visible on Earth requires which of the following?
Select all that are needed.
- sun
-earth
- moon
The Sun constantly illuminates one-half of the Moon, but the amount of this half that we can view from Earth determines the phase that we observe. the phases of the Moon visible on Earth requires the sun, earth, and moon.
What are the phases of the Moon?Only the "night" side of the Moon is visible during the new moon. if there is a full moon, the Moon will rise just before dusk.
About two weeks pass between the new moon and the full moon. At the new moon, the luminous portion of the Moon that faces the Sun is complete.
Therefore, the many moon forms that are visible from Earth are referred to as phases of the moon.
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What methods do cells use to increase the surface area to volume ratio?
Prokaryotic cells have inner folds of the cell membrane that are responsible for specific functions such as respiration. These creases increase the surface area.
As the cell radius increases, the surface area increases as the radius squared, but the volume increases as the radius cubed (much faster).
As the cell advance, its internal volume increases and the cell membrane expands. Unfortunately, volume increases faster than surface area, so the relative amount of surface area available to direct material to a unit volume of cells steadily decreases. The important point is that the surface area-to-volume ratio decreases as the cells get larger.
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name 3 types of population distribution describe them?
Answer:
Individuals may be distributed in a uniform, random, or clumped pattern. Uniform means that the population is evenly spaced, random indicates random spacing, and clumped means that the population is distributed in clusters.
Explanation:
Answer:
Uniform: Evenly spaced out
Random: Random, Random Spacing
Clumped: In clutters
Explanation:
Can someone give me a brief history of yellow fever?
Answer:
Yellow fever virus originated in Africa and was brought to the western hemisphere during the slave trade era, with the first epidemic reported in 1648 in the Yucatan. Over the ensuing 200 years, outbreaks occurred widely in tropical America, the North American coastal cities, and Europe.
Explanation:
The air and nutrients that are added to the fermenter are sterile. State why they must be sterile.
The air and nutrients that are added to the fermenter must be sterile in order to prevent contamination from pathogens or other microorganisms that could disrupt the fermentation process.
What is fermentation?
Fermentation is a metabolic process during which organic molecules such as glucose are converted into energy-containing molecules such as ethanol, carbon dioxide, and/or organic acids. This process is often used in the production of beer, wine, and other alcoholic beverages, as well as in food production, such as the production of yogurt, cheese, and other fermented dairy products.
Contamination can lead to off-flavors, off-odors, and other undesirable qualities in the end product. Additionally, it may cause the fermentation process to be less efficient, leading to longer fermentation times or even a complete failure.
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proteus mirabilis produces the enzyme urease which converts urea into ammonia. explain why patients with UTI caused by proteus mirabilis would have a higher-than-normal urine ph
The enzyme urease, produced by Proteus mirabilis, catalyzes the conversion of urea into ammonia. Ammonia is a base and therefore increases the pH of urine.
Urine pH normally ranges from 4.5 to 8.0, with a healthy urine pH usually ranging between 6.0 and 7.5. When present in the urinary tract, Proteus mirabilis increases the pH of urine to above 7.5 due to the production of urease. This elevated pH environment is more favorable for the growth and survival of the bacteria, allowing it to colonize and cause a urinary tract infection (UTI). As a result, patients with UTIs caused by Proteus mirabilis are likely to have a higher-than-normal urine pH.
Additionally, due to the production of urease, the urine of patients with Proteus mirabilis-caused UTI may show an alkaline reaction on a reagent strip.
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Please help me with this!!
Genetic makeup is the combination of genes that make up an individual's unique genetic code.
1.The physical appearance of an individual's genetic makeup phenotype.
2. A particular characteristic of an individual trait.
3. The passage of genetic instructions from one generation to the next generation genotype.
4. One variation of a particular gene allele.
5. The specific genetic makeup of an individual chromosomes.
6. Contain the genes of an individual heritability.
What are Chromosomes?
Chromosomes are thread-like structures composed of DNA and proteins that carry genetic information. In most living organisms, each cell contains a pair of chromosomes, one inherited from each parent. Humans have 23 pairs of chromosomes in each cell, for a total of 46. Chromosomes are responsible for determining an organism's traits, from eye color to blood type.
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What is the function of the interdigital membranes in frogs? Do all frogs posses them? Explain.
Answer:
Function: To improve the animals´ movement and displacement on water.Not all frogs have well-developed membranes. Those with terrestrial habits exhibit reduced interdigital tissue.Explanation:
The interdigital membrane is the skin between the fingers and toes of the animals. This tissue is resistant and flexible. Its expansion varies among species and depends on their habits. The principal function of these membranes is to improve the animals´ movement and displacement on water. This tissue represents a broader area that provides resistance to water so the animal can swim faster and longer. On the ground, these membranes also can be useful while jumping, but this is not its principal function. The development of the interdigital membrane show variation among amphibians. In those taxa that spend most of their time in the water, the membranes are extensive and well-developed. On the contrary, groups that spend most of their lives on the ground, on trees, and other vegetation, exhibit poorly-developed membranes or almost absent.