in a person with the genotype xxy, we can tell that nondisjunction must have taken place in the mother and not the father. please choose the correct answer from the following choices, and then select the submit answer button. answer choices true false

Answers

Answer 1

False,Nondisjunction faults in paternal meiosis I are the main source of instances. About 80% of people who have this syndrome have an additional X chromosome, giving them the karyotype XXY.

Non-disjunction is the failure of chromosomes or chromatids to split during cell division. Daughter cells that are aneuploid have an unusually high number of chromosomes. The most frequent cause is non-disjunction errors in paternal meiosis I.

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Related Questions

the liver is the only organ in the body which releases glucose into the bloodstream throughout the day, in order to provide a consistent source of energy to cells across body.
T/F

Answers

While the liver is the primary organ responsible for regulating glucose homeostasis, other organs such as the kidneys and intestines can also contribute to the release of glucose into the bloodstream. False

For example, the kidneys can produce glucose through a process called gluconeogenesis, particularly during fasting or periods of low blood sugar. In addition, the small intestine can release glucose into the bloodstream after a meal, particularly in response to the ingestion of carbohydrates.

However, the liver is still considered the major site of glucose production and plays a key role in maintaining blood glucose levels.

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Which species is more likely to survive changes in the environment?
Select one:
A species found in one ecosystem that can reproduce quickly.
A species at the top of the food web in a single ecosystem.
A species with a large population in a single ecosystem.
A species distributed to multiple ecosystems with large population sizes.

Answers

Answer:

your answer to your question is D

in prokaryotes, the form of rna polymerase that can accurately initiate synthesis of rna is called

Answers

In prokaryotes, the form of RNA polymerase that can accurately initiate synthesis of RNA is called the holoenzyme.

The holoenzyme is a complex of multiple subunits that includes the catalytic core enzyme and additional regulatory subunits. The catalytic core enzyme is responsible for the actual synthesis of RNA, while the regulatory subunits help to control the initiation and termination of RNA synthesis.
RNA polymerase is an essential enzyme for all forms of life, as it is responsible for the synthesis of RNA from DNA templates. RNA polymerase can accurately initiate RNA synthesis by recognizing specific promoter sequences on the DNA template. In prokaryotes, this process is facilitated by the holoenzyme form of RNA polymerase.
Overall, the accurate initiation of RNA synthesis is critical for prokaryotic cells to efficiently regulate gene expression and carry out necessary cellular processes. By understanding the role of the holoenzyme in RNA synthesis, researchers can gain insight into the complex regulatory mechanisms of prokaryotic cells.
In prokaryotes, the form of RNA polymerase that can accurately initiate synthesis of RNA is called the holoenzyme. The holoenzyme consists of a core enzyme and a sigma factor. The core enzyme is made up of multiple subunits and is responsible for the actual process of RNA synthesis. The sigma factor is a key component that allows the holoenzyme to recognize and bind to specific DNA sequences, known as promotors, where transcription should begin.
The presence of the sigma factor enables the RNA polymerase holoenzyme to initiate transcription with high specificity and accuracy. Once the holoenzyme binds to the promoter region, it unwinds the DNA strands, and the core enzyme starts synthesizing the RNA transcript. As the transcription process continues, the sigma factor is released, and the core enzyme continues elongation of the RNA molecule.
In summary, the holoenzyme is the form of RNA polymerase in prokaryotes that can accurately initiate RNA synthesis, with the sigma factor playing a crucial role in recognizing promoter sequences and ensuring precise transcription initiation.

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Does a common cold have a localized inflammatory response

Answers

In the common cold we can say that there is a localized inflammatory response as is focused on the airways, rarely gets to the bronchi or lungs, this happens when there are complications, even more, when complications occur, these are contained in the respiratory system.

Science has all the facts. true or false

Answers

Answer: false

Explanation:

I mean, maybe but I’m not sure probably

When a pathogen or bacteria is recognized, 2 types of cells are created in abundance. Briefly describe what they do.
a) Effector Cell:
b) Memory Cell:
Please help me.

Answers

When a pathogen or bacteria is recognized by the immune system, the adaptive immune response is activated, leading to the production of two main types of cells: effector cells and memory cells.

a) Effector Cell: Effector cells are responsible for carrying out the immediate response to eliminate the pathogen or bacteria. In the context of the adaptive immune response, there are two primary types of effector cells being Cytotoxic T cells (CD8+ T cells) & B cells.

b) Memory Cell: Memory cells are long-lived cells that "remember" the specific antigen from a previous encounter with a pathogen or bacteria. They are derived from the same activated cells that give rise to effector cells. If the same pathogen is encountered again in the future, memory cells can quickly respond and initiate a faster and more effective immune response.

what type of information is available in this interactive? choose all that apply. check all that apply type of aquatic biome determined by annual precipitation and average temperature type of aquatic biome determined by annual precipitation and average temperature type of terrestrial biome determined by annual precipitation and average temperature type of terrestrial biome determined by annual precipitation and average temperature flora and fauna typical of each biome flora and fauna typical of each biome distribution of each biome on a world map distribution of each biome on a world map changes to biomes expected from climate change changes to biomes expected from climate change climograph of an example location for each biomeclimograph of an example location for each biome

Answers

The available information in this interactive includes: the type of aquatic and terrestrial biomes determined by annual precipitation and average temperature, flora and fauna typical of each biome, distribution of each biome on a world map, changes to biomes expected from climate change, and climographs of an example location for each biome.

The interactive provides a comprehensive overview of different biomes and their characteristics, including their location, climate, and biodiversity. It also explores the potential impacts of climate change on these biomes. The climographs for each biome give an example of the typical climate conditions, including temperature and precipitation patterns. Overall, this interactive is a valuable resource for understanding the diversity of biomes and the ecological processes that shape them.

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what type of information is available in this interactive? choose all that apply. check all that apply type of aquatic biome determined by annual precipitation and average temperature type of aquatic biome determined by annual precipitation and average temperature type of terrestrial biome determined by annual precipitation and average temperature type of terrestrial biome determined by annual precipitation and average temperature flora and fauna typical of each biome flora and fauna typical of each biome distribution of each biome on a world map distribution of each biome on a world map changes to biomes expected from climate change changes to biomes expected from climate change climograph of an example location for each biomeclimograph of an example location for each biome?

Which is NOT one of the four needs of living things?
Homeostasis
Water
Food
Oxygen

Answers

answer - homeostasis.

Answer:Homeostasis

Explanation: i am smart


What fossils make up most carbonate mud in tropical
settings?

Answers

Most carbonate mud in tropical settings is made up of fossils from algae, foraminifera, and mollusks.

Which is an example of a coexisting technology?


ballpoint pen

computer mouse

tablet computer

MP3 player
Which is an example of a coexisting technology?


ballpoint pen

computer mouse

tablet computer

MP3 player

Answers

i’m gonna say mp3 put i am not sure. sorry love

Answer:

Mp3 player I think

Explanation:

Sorry if it is wrong but hope this helps

The FBI's national DNA database system is known as

Answers

The FBI's national DNA database system is known as the Combined DNA Index System (CODIS).

CODIS is a computerized system that enables the storage and comparison of DNA profiles from various sources, including convicted offenders, unsolved crime scene evidence, and missing persons. It allows law enforcement agencies across the United States to share and compare DNA information, aiding in the identification of suspects, the resolution of cold cases, and the prevention of future crimes.

CODIS plays a crucial role in forensic investigations and the criminal justice system by leveraging the power of DNA technology to assist in solving crimes and ensuring public safety. CODIS enables participating laboratories to share and search DNA profiles, increasing the likelihood of generating matches and valuable leads across jurisdictions. The system follows strict privacy and security protocols to ensure the integrity and confidentiality of the stored DNA data.

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when a hair cell stereocilia bend away from the kinocilium,?

Answers

Increased afferent activity is produced when the stereocilia are bent in the direction of the kinocilium, which depolarizes the cell.

The cell becomes hyperpolarized and exhibits a reduction in afferent activity when the stereocilia are bent away from the kinocilium. To detect head motions, the semicircular ducts operate in pairs (angular acceleration). When the stereocilia bend in the direction of the kinocilium, the hair cell becomes depolarized and fires more frequently. When they bend in the opposite direction, the hair cell becomes hyperpolarized and fires less frequently. The tectorial membrane, a jelly-like layer that covers the organs of Corti & in which many OHC stereocilia are embedded, slides relative to the basilar membrane as the basilar membrane moves up and down, causing the latter to bend.

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A mutation the does not cause a change of an amino acid that has an effect in the function of a protein is said to be a________mutation

A.translocation
B.frameshift
C.silent
D.point

Answers

Silent mutation does not cause change of an amino acid which has an effect on the function of protein.

What is mutation?

Mutation is a process in which genetic material (DNA or RNA) is altered in some way, resulting in a permanent change to the genetic code. Mutations can be caused by environmental factors such as radiation, or can be inherited or spontaneous. They can result in a variety of changes to the physical characteristics of an organism, including changes to its DNA sequence.

Types of mutations include:

1. Point mutations: A single nucleotide is changed, added, or removed.

2. Insertions and deletions: Multiple nucleotides are added or removed.

3. Frame-shift mutations: A nucleotide is added or removed, resulting in a shift in the reading frame of the genetic code.

4. Chromosomal mutations: A whole chromosome is added or removed.

5. Duplications: A section of DNA is repeated.

6. Inversions: A section of DNA is reversed.

7. Translocations: A section of DNA is moved to a different location in the genome.

8. Silent mutations: A nucleotide is changed, but the resulting protein is the same as the original protein.

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DNA replication results in _____ copies of a cell's genome:
A) two similar
B) two identical
C) four similar
D) four identical

Answers

(B. two identical) Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules.

She turned right ____ Park Avenue in an attempt to find parking. A) on to. B) onto

Answers

She turned right onto Park Avenue in an attempt to find parking.

Onto is a preposition that indicates movement toward or into a place or position, usually with a verb that expresses motion. It is used to indicate the position of something in contact with or supported by something else and indicates the movement of someone or something to a place or position. Here, the correct preposition to be used is onto because it refers to an action of a person or object towards or into a surface or direction. For example: She climbed onto the table.

In the sentence "She turned right onto Park Avenue in an attempt to find parking," the correct preposition to use is onto because she moved or directed towards Park Avenue.The correct sentence should read:She turned right onto Park Avenue in an attempt to find parking.

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what is meant by 1 kg. mass?define​

Answers

Answer:

noun. a unit of mass equal to 1,000 grams: the basic unit of mass in the International System of Units (SI). Up until 2019 the kilogram was defined as equal to the mass of an international prototype, a platinum-iridium cylinder kept in Sèvres, France.

Answer:

it means a matter of 1kg that does not have an acceleration due to gravity.

Explanation:

Both anaerobic and aerobic respiration use

Answers

Answer:

See below for meanings.

Explanation:

Anaerobic: Anaerobic exercise is similar to aerobic exercise but uses a different form of energy — quickly and immediately. Anaerobic exercises include high-intensity interval training (HIIT), weight lifting, circuit training, Pilates, yoga, and other forms of strength training. This type of exercise offers many health benefits.

Aerobic: Aerobic exercise is any type of cardiovascular conditioning. It can include activities like brisk walking, swimming, running, or cycling. You probably know it as “cardio.” ... Aerobic exercise helps keep your heart, lungs, and circulatory system healthy.

hope this helps.

what is compacted dna wrapped around proteins called?
what is at the center, connecting the sister chromatids?

Answers

Answer:

Histone

Centromere

Explanation:

kareem drew a diagram to compare flatworms and segmented worms

which label belongs in the area marked X?

a. can reproduce sexually
b. are always parasites
c. are all sessile
d. are covered in setae

PLEASE HELP

kareem drew a diagram to compare flatworms and segmented worms which label belongs in the area marked

Answers

Answer:

Explanation:

A - can reproduce sexually

Well, the answer for this question is A.

The technique of using cognitive and behavioral therapies together to treat disorders is called:
A. anxiety control therapy.
B. cognitive-behavioral therapy (CBT).
C. Roger's humanistic therapy.
D. DSM.

Answers

Answer:

cbt APEX

Explanation:

Answer:

B. cognitive-behavioral therapy (CBT).

Explanation:

a p e x

Which of the following could best explain the increase in the frequency of the B allele in the population after five years? The frequency of the B allele increased due to the selective pressures of the environment.

Answers

The frequency of the B allele increased due to the selective pressures of the environment. Selective pressure is the process by which organisms that have beneficial traits are more likely to survive and pass on those traits to the next generation. Over time, this can lead to the increased frequency of certain alleles in a population.

To further explain this process, let us consider a population of organisms, some of which carry the A allele and some of which carry the B allele. Suppose there is a sudden change in the environment, making it more difficult for the organisms with the A allele to survive. This means that those organisms that carry the B allele have a higher chance of survival, and thus the frequency of the B allele in the population increases.

This process is repeated over the course of many generations, with organisms carrying the B allele more likely to survive and reproduce than those carrying the A allele. Over time, the frequency of the B allele increases, while the frequency of the A allele decreases, until the B allele is the dominant allele in the population. This is how the frequency of the B allele increases in the population over five years, due to the selective pressures of the environment.

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Which of the following explains how the ozone is destroyed?
The ozone layer may be affected by use of pressurized sprays.
The ozone layers breaks when solar radiation hits it.
Human activities such as deforestation destroy the ozone layer.
The ozone layer gets destroyed when the temperature becomes too warm.

Answers

Answer: option 3 would be the answer

Explanation:

which is the acceptable administration route for Vincristine?
A-intrapertoneal
B-intravenous
C-intravesicular
D- intrathecal

Answers

The acceptable administration route for Vincristine is intravenous (IV).  The correct option is B

What is Vincristine ?

Leukemia, lymphoma, and sarcoma are just a few of the cancers that are handled by the chemotherapy medication vincristine. Because it is a vesicant, if it seeps out of a vein, it can seriously harm tissue. Vincristine should only be given intravenously for this reason.

The other options are not suitable ways to administer vincristine. To administer medication straight into the abdomen, employ intraperitoneal (IP) administration. Medication is delivered directly into the bladder through intravenous (IV) injection. Medication is delivered directly into the cerebrospinal fluid by intrathecal (IT) injection. Because it might have major side effects such paralysis and nerve damage, vincristine is normally not given through these routes.

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Where do carnivorous plants typically exist? a. In areas with limited carbon dioxide
b. In areas with inadequate amounts of soil
c. In areas with adequate amounts of soil
d. In areas with limited oxygen
e. In areas with limited nitrogen
f. In areas with little water​

Answers

Answer:

So it would be B since the areas have inadequate amounts of soil.

Explanation:

The habitats of carnivorous plants are varied but usually involve wet, low-nutrient sites including bogs, swamps, waterbodies, watercourses, forests and sandy or rocky sites.

The simulation shows a game of tug-of-war. Place a blue team and a red team with same-sized people on each side of the rope. What can you say about the sizes of the left and right arrows?

Answers

The sizes of the left and right arrows should be the same.

In the game of tug-of-war, the sizes of the left and right arrows represent the relative strengths of the blue team and the red team. If the blue team is stronger and pulling harder, the size of the left arrow would be larger than the size of the right arrow.

Conversely, if the red team is stronger, the size of the right arrow would be larger than the size of the left arrow. The sizes of the arrows indicate the force exerted by each team and provide a visual representation of the balance of power in the game.

In tug-of-war, the objective is for one team to overpower the other and pull the rope towards their side. The larger the arrow representing a team's strength, the greater their force and ability to move the rope in their direction.

The size of the arrows serves as a visual cue for spectators to understand which team has the advantage at any given moment. It helps to create a sense of competition and excitement as the teams struggle to gain control of the rope.

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what are the characteristics of enzymes​

Answers

They speed up chemical reactions

What is the scientific definition of a wave?

Answers

Answer:

Waves involve the transport of energy without the transport of matter. In conclusion, a wave can be described as a disturbance that travels through a medium, transporting energy from one location (its source) to another location without transporting matter.

I hope it's helpful!

Waves involve the transport of energy without the transport of matter. In conclusion, a wave can be described as a disturbance that travels through a medium, transporting energy from one location (its source) to another location without transporting matter.

What is the difference between active & passive transport?

Answers

Answer:

An active transport requires energy, a passive transport does not.

That's all! Hope that helps :)

If lateral inhibition was the correct explanation for the Hermann grid illusion, than the illusion would be caused by activity at the _____ level, but if center-surround was the correct explanation then it would be caused by activity at the _____ level. LGN, Retinal. Retinal, LGN. V1, Retinal. Retinal, V1.

Answers

In summary, if lateral inhibition is the correct explanation, the illusion is caused by activity at the retinal level. If the center-surround mechanism is the correct explanation, the illusion is caused by activity at the LGN level. These two explanations highlight different levels of neural processing involved in the perception of the Hermann grid illusion.

If lateral inhibition was the correct explanation for the Hermann grid illusion, the illusion would be caused by activity at the retinal level. Lateral inhibition refers to the process where the activity of one neuron inhibits the activity of neighboring neurons.

In the context of the Hermann grid illusion, it is believed that lateral inhibition between retinal ganglion cells causes the perceived dark spots at the intersections of the grid.

On the other hand, if the center-surround mechanism was the correct explanation, the illusion would be caused by activity at the LGN (lateral geniculate nucleus) level.

The center-surround mechanism refers to the receptive fields of neurons in the visual system, where there is a central region that responds to light and a surrounding region that inhibits the response.

In this case, it is proposed that the interaction between the center and surround receptive fields in the LGN contributes to the Hermann grid illusion.

In summary, if lateral inhibition is the correct explanation, the illusion is caused by activity at the retinal level. If the center-surround mechanism is the correct explanation, the illusion is caused by activity at the LGN level. These two explanations highlight different levels of neural processing involved in the perception of the Hermann grid illusion.

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Which term refers to the force exerted as the heart pumps blood from the left ventricle into the arteries and out into the body?

Answers

Answer:

Systosolic blood pressure

Explanation:

The systosolic blood pressure occurs when the heart is contracting and pushing the blood round the body. It is more important than diastolic blood pressure.

When the heart beats, it contracts and pushes blood through the arteries to the rest of your body.

This force creates pressure on those blood vessels which are the arteries, producing the systolic blood pressure as compared to diastolic blood pressure that measures the lowest block pressure between heartbeats.

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the component allows the user to navigate directories and select a file. question 9 options: jfilefind jfilesystem jfiledir jfilechooser What term refers to the process of assessing the state of an organization's security compared against an established standard?A. Pen testingB. AuditingC. Vulnerability testingD. Accounting 1. Who makes trade-offs? 1) Ms. Basalyga saved 15% on her car insurance by switching to Geico. If Ms. Basalyga used to pay $350 per month for car insurance, how much does she save by switching to Geico? what are three positive effects of the global economy for the united states? (choose every correct answer.) what is the simplified equation for: -6 + 1/4x + 3(1/4x + 6) What is the greatest common multiple of 10 and 40?. What statement describes the last step in evaluatinginformation? in a typical product-mix problem in linear programming, the objective is to:_____. Suppose the Fed announces that it is raising its target interest rate by 75 basis points, or 0.75 percentage point. To do this, the Fed will use open-market operations to ( decrease/increase ) the (supply/demmand of) money by (selling bonds/buying bonds to) the public.Use the green line (triangle symbol) on the previous graph to illustrate the effects of this policy by placing the new money supply curve (MS) in the correct location. Place the black point (plus symbol) at the new equilibrium interest rate and quantity of money. The rylander sold 150 tickets to a movie some of the tickets were student tickets the rest were adult tickets a student ticket cost 7.00 dollars and an adult ticket cost 10.00 dollars the the ticket sales totaled 1419 dollars determine the number of student tickets and the number of adult tickets Find the distance between the points (3,10) and (3,4). Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 512 and a standard deviation of 73. Use the 68-95-99.7 Rule to find the percentage of people taking the test who score between 439 and 512. The percentage of people taking the test who score between 439 and 512 is %. for which organic compounds must information be encoded in dna for green plants to synthesize the other three compounds? 35. A can of popcorn is to be packed in a box for shipping as shown. The can is 18 inches tall and has a radius of 7 inches. The box is 19 inches tall and has a square base with sides of length 15 inches. All empty space around the can is to be filled with packing material. How many cubic inches of packing material will be needed? An investor bought 100 shares of Debbie's Cake House on margin for $65 a share. Below are the terms the investor's broker gave him for the margin purchase:Commissions: $0Margin requirement = 60%Interest rate on borrowed funds = 5%After a year, the investor was able to sell the stock at $92. Also, during the year the investor held the stock, Debbie's Cake House paid an annual dividend of $3.00 per share.What was the investors's percentage return earned on his investment.Group of answer choices46.15%56.16%58.89%73.59%66.78% What have you learned about history from a movie, play, novel, or story? Check all that apply to you personally.what clothes people worehow people in the past spokethe traditions of different times and culturesthe roles of men and womenwhat people did for work or funwhat people of the time thought Journal entries for inventories and accounts payable.On December 31, Year 6, the Merchandise Inventories account of a Japanese electronics firm had a balance of 408,710 million, based on the firm s financial reports for fiscal Year 7. Assume that during Year 7, the firm purchased merchandise inventories on account for 1,456,412 million.On December 31, Year 7, it finds that merchandise inventory on hand is 412,387 million. The Accounts Payable account had a balance of 757,006 million on December 31, Year 6, and 824,825 million on December 31, Year 7. Can you tell me what to put in these line please! 12 LESSON: 2.3 Booleans3 TECHNIQUE 3: Limited Range4 PRACTICE 15 111PROJECT67 # Get user input8 temperature = int(input("How hot is it out? ))910 # If temperature is between 60 and 85,11 # print that it's nice out today121314 # Tura in your Coding Exercise,15 the amount of carbon dioxide in the atmosphere has been increasing. if this trend continues, what will happen to the temperature of the atmosphere?