Which molecular process is found only in retroviruses?
Answers
Transduction of cellular genes molecular process is found only in retroviruses.
A retrovirus is a type of virus that inserts a DNA copy of its RNA genome into the DNA of a host cell that it infects, modifying the genome of that cell. Once within the host cell's cytoplasm, the virus employs its own reverse transcriptase enzyme to generate DNA from its RNA genome, which is the opposite of the usual pattern, so retro. The new DNA is then incorporated into the host cell genome by an integrase enzyme, at which time the retroviral DNA is referred to as a provirus. The host cell then treats the viral DNA as part of its own genome, transcribing and translating the viral genes alongside the cell's own genes, creating the proteins required to build new copies of the virus.
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Related Questions
A researcher investigated a blood disease carried by birds she isolated an organism from the blood of an infected bird she finds that the organism is unicellular and has a nucleus a cell wall and the ability to produce spores what kingdom does the organism belong to
Answers
The researcher who conducted an investigation on a blood disease carried by birds found out that the organism is unicellular and has a nucleus, cell wall, and the ability to produce spores. Based on this information, the organism belongs to the Kingdom Fungi.
The kingdom Fungi consists of unicellular and multicellular organisms that lack chlorophyll and reproduce asexually and sexually by forming spores. They are heterotrophic organisms, which means they depend on other organisms for their food. Fungi cells have a cell wall made up of chitin, which provides strength and rigidity to the cell wall. The cytoplasm of the fungal cells contains many specialized organelles, including nuclei, ribosomes, mitochondria, and Golgi bodies that carry out various metabolic activities.
The researcher's findings suggest that the organism is a unicellular fungus with a nucleus, cell wall, and the ability to produce spores. Spores play a crucial role in the fungal life cycle, as they allow the organism to reproduce and spread to new habitats. These spores can be transported by wind, water, or other organisms to colonize new areas.
In conclusion, based on the researcher's investigation, the organism she isolated from the blood of an infected bird belongs to the Kingdom Fungi.
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Population of town X has 5000 inhabitants and is under Hardy-Weinberg equilibrium for
distribution of ABO blood group system alleles A, B, and O. it is know that frequency of allele
A is two times higher than frequency of allele B, and also there are 2450 inhabitants with
Blood group 0. how many people have AB blood group in town X?
A) 50
B) 100
C)200
D) 2550
Answers
Answer:
200I HOPE IT'S HELP☆☆☆☆☆
Which question cannot be tested with a scientific investigation?
Adrian is a researcher who works in a lab. He decides to perform an experiment to understand the side effects and benefits of drinking tea. He puts forth some questions about the experiment. They include, Do people who drink tea have a higher risk of brain illnesses than non-tea drinkers? and Do people who drink tea stay more alert than non-tea drinkers? He also proposes a question, Are people who drink tea happier than people who don’t drink tea?
Answers
The question that cannot be tested with scientific investigation is "Are people who drink tea happier than people who don’t drink tea?"
What is scientific investigation?Scientific investigation is definitely as the type of investigation or experimentation that follows the following critical steps such as:
Asking a question about something you observe,Doing background research to learn what is already known about the topic,Constructing a hypothesis,Experimenting to test the hypothesis,Analyzing the data from the experiment and Drawing conclusions.The question "Are people who drink tea happier than people who don’t drink tea?" cannot follow through these steps listed above for a proper scientific investigation to be carried out.
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A(n)
__________
is an organism that breaks down decaying organisms and organic matter to obtain energy.
Answers
Answer:
Decomposer
An organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
RNA polymerase is an enzyme that can make molecules of RNA from a single _______ strand.
Answers
The process of the formation of an RNA molecule from DNA is called transcription. The answer to this question is the DNA strand.
what is uremia? please tell me
Answers
Answer:
Uremia is a clinical syndrome marked by elevated concentrations of urea in the blood and associated with fluid,electrolyte,and hormone imbalances and metabolic abnormalities,which develop in parallel with deterioration of renal function.Explanation:
I hope this will help you/helpful for you.What do plants need to survive? How do plants obtain energy?
Answers
Answer: obtain energy
Explanation:
Plants use a process called photosynthesis to make food. During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch.
What organ of the body is the first to receive the nutrients after they pass through the gi tract, and then prepares those nutrients for use in the body?.
Answers
Answer: The small intestine
Explanation:the small intestine absorbs most of the nutrients in your food, and your circulatory system passes them on to other parts of your body to store or use.
It should be noted that the organ of the body is the first to receive the nutrients after they pass through the gi tract, is small intestine.
What is small intestine?small intestine can be regarded as an organ in the gastrointestinal tract and its this organ that enable absorption of nutrients from food takes place. and then prepares those nutrients for use in the body.
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What causes the light to refract as it
passes from air to water?
Answers
Answer:
Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). This change of direction is caused by a change in speed. When light travels from air into water, it slows down, causing it to change direction slightly. This change of direction is called refraction
Hope this helps.
PLEASE HELPPPP ASAP Which describes an impermeable rock where oil and natural gas deposits are found?(1 point)
Responses
A.It traps the deposits inside them.
B. materials to pass through.
C.It has pores large enough to allow absorption.
D.It is made up of porous materials.
Answers
Impermeable rock are compact rocks that do not have pores, meaning materials are unable to pass through. Therefore, A is the only logical answer, as the B, C and D all describe porous rock.
Hope this helps!
If correct you get Brainliest. 25 POINTS!
Answers
Answer:
false
Explanation:
Which of the following statements best applies to the inactive X chromosome in mammalian females?
A.
It does not replicate.
B.
Its chromatin structure is less condensed than that of an active X chromosome.
C.
It is one of the last chromosomes to replicate during mitosis.
D.
It is highly transcribed.
Answers
The statement that best applies to the inactive X chromosome in mammalian females is: B. Its chromatin structure is less condensed than that of an active X chromosome.
In female mammals, one of the two X chromosomes is randomly inactivated during early development in a process called X-chromosome inactivation. The inactive X chromosome (also known as the Barr body) has a distinctive appearance under the microscope, and its chromatin structure is less condensed than that of an active X chromosome. This allows the inactivated X chromosome to be distinguished from the active X chromosome during cell division. While the inactive X chromosome is largely transcriptionally silent, certain regions of the chromosome remain active and may produce non-coding RNA molecules that are involved in regulating gene expression.
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the model of the spread of humanity that focuses on the displacement and eventual extinction of other hominid species by homo sapiens is based on the concept of
Answers
The model of the spread of humanity that focuses on the displacement and eventual extinction of other hominid species by Homo sapiens is based on the concept of Replacement Hypothesis.
Extinction is the phenomenon that depicts the complete disappearance of a species from the whole earth. As the last individual of any species dies, the complete species is said to be extinct.
Replacement hypothesis is also known by the name Out of Africa model. It states that the origin of humans began in Africa and they then spread around the whole world. The early hominid species like Archaic Homo sapiens, Neanderthals, etc. were eventually replaced by Homo sapiens.
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You are doing research on a bacterial species, trying to determine the nature and structure of a number of intracellular inclusions. Which type of microscopy would provide the best view of these intracellular structures
Answers
Answer:
Transmission Electron Microscope.
A Transmission Electron Microscope provides the best view of the intracellular structures.
What is Transmission Electron Microscope?
Transmission electron microscopes (TEM) are microscopes that use a particle beam of electrons to visualize specimens and generate a highly-magnified image. TEMs can magnify items up to 2 million instances. with a purpose to get a better concept of simply how small that is, think about how small a cellular is.
What is a transmission electron microscope used for?The transmission electron microscope is used to view skinny specimens (tissue sections, molecules, etc) through which electrons can bypass producing a projection picture. The TEM has similarities in lots of ways to the traditional (compound) light microscope.
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SOMEONE ANSWER THIS PLEASE " Which organisms have the most similarities in anatomical structure? "
Answers
Organisms that have the most similarities in anatomical structure are those that are closely related, meaning they share a recent common ancestor.
What makes up the homologous structure?They are known as homologous structures because they possess similar body structures. Evolutionary theory suggests that organisms that share a common ancestry will have similar structures because they have inherited these structures from their common ancestor.
The closer two species are related, the more similarities they will have in terms of their anatomy and other characteristics. In general, organisms within the same family, genus, or species will have more similarities than those from different taxonomic groups.
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the enzyme changes shape to fit the substrate.the enzyme changes shape to fit the substrate. the substrate changes shape to fit the enzyme.the substrate changes shape to fit the enzyme. the enzyme helps to break bonds in the substrate.the enzyme helps to break bonds in the substrate. the enzyme helps to create bonds between two substrates.the enzyme helps to create bonds between two substrates. the enzyme is a selective catalyst.
Answers
The true statement about enzymes include the following options below:
The enzyme changes shape to fit the substrate.The enzyme helps to break bonds in the substrate. The enzyme helps to create bonds between the two substrates.The enzyme is a selective catalyst.What is an Enzyme?This is referred to as a biological catalyst which speeds up the rate of reaction and they are substrate specific which makes it a selective catalyst.
They also change shape to fit the substrate as described in the lock and key model and are also able to create and break bonds present in the substrate.
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The full question is:
Check all of the following statements which are true.
Which is a part of interphase?
A. G, phase
• B. Cytokinesis
• C. Prophase
O D. Telophase
SUBMIT
Answers
Answer:
A
Explanation:
and it's g1 and g2 in between both is S phase
Answer:
A. G phase
Explanation:
1.what is considered as the building block of nature? ____________
2.are all cells multicellular? support your answer.___________
3.give an example of unicellular organism._____________
4.differentiate a unicellular organism from a multicellular organism._________________
5.can there be tissues,organs and systems without cells? support your answer._____________
Answers
2- No, because some unicellular organisms like bacteria only consist of 1 cell.
3- An example is bacteria, amoeba, etc.
4- Multicellular organism consist of different cells and mostly have different specialized cells. Unicellular organisms carry out their functions like multicellular, but all in 1 cell. They are known to be smaller than multicellular organisms.
5- No, because cells are the building blocks of life and you need cells to form together to form tissues, later into organs and organ systems. Tissues and organs function due to the amount of cells functioning. Tissues and organs are the formation of cells that serve a function to create more complex systems.
What type of epithelium lines the lumen of the respiratory tube indicated by the arrow?
Answers
simple cuboidal epithelium lines the lumen of the respiratory tube indicated here.
What is epithelium?The primary tissue in glands, the epithelium is a kind of body tissue that covers all of the interior and exterior surfaces of your body, lines body cavities, and lines hollow organs. Depending on its location in the body, epithelial tissue can perform a number of different tasks, such as absorption, secretion, and protection.
The four primary kinds of tissue that make up your body's organs are as follows:
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Which reptile is from the Middle East, has spots on it's entire body, is a gecko but it has eyelids, and is a very popular pet.
Answers
Answer:
leopard gecko
Explanation:
because it matches the description
Tokay gecko? i'm guessing
Question 4
1 points)
A scientist warms a chemical to 385 K, and the chemical begins to boil. How much higher is this boiling point of the chemical
than the boiling point of water?
Answers
12K is the boiling point of the chemical .
The boiling point of any liquid changes to the applied pressure the normal boiling point is the temperature at which the vapor pressure is equal to the standard sea-level atmospheric pressure .At sea level, water boils at 100° C (212° F).The boiling point of a liquid is the temperature at which its vapor pressure is equivalent to the pressure of the gas above it.
Boiling point is used to identify and classify a given compound. A liquid boils when its vapour pressure is equal to the atmospheric pressure. Vapour pressure is also defined by the kinetic energy of a molecule. Kinetic energy is dependent on the temperature, mass and velocity of a molecule.
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Aero in aerobic and anaerobic respiration stands for?
Owater.
Ohydrogen.
O carbon.
O oxygen.
Answers
Aerobic= needs air
Anaerobic=no air needed
How does water and sunlight affect the primary consumer
Answers
Answer:
Primary consumers convert water, carbon dioxide, minerals, and sunlight into the organic molecules that are the foundation of all life on Earth.
Explanation:
--
There has been a warming trend for the last 200 years. Find at least one alternative theory from global warming that explains why, and report your finding here.
Answers
Answer:
The fossil fuels and green gases released into the atmosphere, are burning a hole in it. Without the atmosphere the sun full force will get a up he earth very quickly.
Explanation:
How do you know if something is considered living or non living
Answers
Answer:
Growing and Producing
Explanation:
inin order for something to be considered living it must be able to grow and produce.
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
Answers
Answer:
Whip scorpion
Explanation:
The climate of an area
Is base on
Answers
Answer: Usually their long term weather patterns, such as precipitation, wind speeds, etc.
Explanation:
The two most important factors in the climate of an area are temperature and precipitation. The yearly average temperature of the area is obviously important, but the yearly range in temperature is also important. Some areas have a much larger range between highest and lowest temperature than other areas.
Add pictures of some cool
structures here:
is this a structure please help me
Answers
What is a "structure"? a building or other object constructed from several parts.
"the station is a magnificent structure and should not be demolished"
here's a structure:
Data:
Record the data from each trial in the data chart below. Be sure to fill in the chart completely.
Test One
Parent 1:
Parent 2: Ff
Phenotype ratio:
________ : ________
short fur : long fur
Test Two
Parent 1: Ff
Parent 2: Ff
Phenotype ratio:
________ : ________
short fur : long fur
Test Three
Parent 1: ff
Parent 2: ff
Phenotype ratio:
________ : ________
short fur : long fur
Answers
If the parents are both ff, then the offspring will be ff because both the alleles are recessive.
What are the possible genotypes and phenotypes of Parent 1: Ff and Parent 2: Ff ?The two parents have the genotype Ff, which means they are both heterozygous for the same gene.
Each parent can produce two types of gametes, one with the dominant F allele and one with the recessive f allele. Therefore, the possible gametes that each parent can produce are:
Parent 1: F or f
Parent 2: F or f
To determine the possible offspring genotypes, we can use a Punnett square. The Punnett square for this cross would look like:
| F | f
--|----|---
F | FF | Ff
--|----|---
f | Ff | ff
From the Punnett square, we can see that there are three possible genotypes of offspring: FF, Ff, and ff.
The genotype FF represents homozygous dominant offspring
The genotype Ff represents heterozygous offspring
The genotype ff represents homozygous recessive offspring
The probability of each genotype occurring is:
25% chance of FF genotype
50% chance of Ff genotype
25% chance of ff genotype
So, the possible offspring genotypes are FF, Ff, and ff with a ratio of 1:2:1.
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which data would be the best evidence to support the claim that natural selection was still occurring in human populations?
Answers
The best data to support the claim that natural selection is still occurring in human populations would be genetic data related to inherited traits or genetic variations.
By analyzing genetic data, scientists can examine the frequency and distribution of specific alleles or genetic markers within human populations. If certain alleles or genetic variations show significant differences in frequency across populations, it suggests that natural selection may be acting upon those traits. For example, if a particular genetic variant provides an advantage in terms of survival or reproduction in a specific environment, individuals carrying that variant would be more likely to pass it on to future generations. Over time, the frequency of that advantageous variant would increase due to natural selection. Other types of genetic data, such as studies on gene expression or genetic adaptation to specific environmental factors, can also provide evidence of ongoing natural selection in human populations. Therefore, analyzing genetic data and observing variations in allele frequencies or genetic adaptations can serve as strong evidence to support the claim that natural selection is still occurring in human populations.
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