imagine a set of twins who are identical but do not look exactly identical (some traits differ). the study of how factors other than dna have influenced their occurrence of specific traits is known as
Answers
Epigenetics is the study of how things other than DNA have affected how often certain traits occur.
The terms "genetics" and "epigenetics" mean?The study of heredity and the diversity in inherited traits is known as genetics. Epigenetics: Epigenetics is the study of inheritable alterations in organisms brought on by altered gene expression.
What exactly does the term "epigenetics" mean?The study of epigenetics focuses on how DNA-unchanged cells regulate gene activity. The word "epigenetic" refers to factors other than the genetic code. In Greek, "epi-" means on or above. Gene activation is regulated by changes to DNA's epigenetic state, which can occur during development.
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Related Questions
An experiment is conducted to determine the effects of energy drinks on an individual’s heart rate groups A and B have matched for all factors such as age and sex.Each person in group A is given two red bull energy drinks for breakfast and lunch and then the heart rate is measured.Each person in group B is given water to drink with breakfast and lunch and then their heart rate is measured.Both groups are Fed the same breakfast and lunch the results are recorded
Answers
Answer:
Explanation: this is complicated
Pesticides: Can We Do without them? What interest do the people at the meeting represent
Answers
spherical transitional epithelial cells can be differentiated from renal tubular epithelial cells by observing the:
Answers
Spherical transitional epithelial cells can be differentiated from renal tubular epithelial cells by observing the presence of a nucleus that is centrally located in the cell.
This characteristic is unique to transitional epithelial cells and distinguishes them from other types of epithelial cells, including renal tubular epithelial cells. Additionally, spherical transitional epithelial cells tend to be larger in size than renal tubular epithelial cells and have a more irregular shape. They may also exhibit more prominent nucleoli and a higher degree of nuclear pleomorphism. In contrast, renal tubular epithelial cells are typically smaller and more uniform in shape, with a centrally located nucleus that is often slightly flattened. These differences in morphology can be helpful in distinguishing between the two cell types and can be further confirmed through the use of specialized staining techniques, such as immunohistochemistry or electron microscopy. Ultimately, accurate identification of these cell types is essential for the diagnosis and treatment of various renal disorders, including urinary tract infections and renal cell carcinoma.
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47. a specimen should be protected from light for which of the following determinations? a. bilirubin concentration b. b. hemoglobin level c. glucose level d. blood culture
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A specimen should be protected from light for the determination of bilirubin concentration.The bilirubin molecule is extremely delicate and is susceptible to photodegradation. When the specimen is exposed to light, it rapidly breaks down and loses its ability to bind to the reagents used in the test.
For this reason, bilirubin tests should be kept in a dark place from the time the specimen is obtained until the time it is analyzed. When bilirubin is exposed to light, it becomes oxidized and loses its ability to react with diazo reagents, which are used in bilirubin assays. This causes the results of the test to be artificially low, as the oxidized bilirubin is no longer able to react with the diazo reagents.
Bilirubin is a yellowish substance formed during the breakdown of red blood cells in the liver. High levels of bilirubin in the blood can indicate liver disease, hemolytic anemia, or other health problems. A bilirubin test is used to measure the amount of bilirubin in the blood. When obtaining a specimen for bilirubin testing, it is essential to protect the specimen from light. This can be done by wrapping the specimen container in foil or by keeping it in a dark container. The specimen should be kept in the dark until it is analyzed, as exposure to light can cause photodegradation of bilirubin, which can lead to inaccurate test results.
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who establishes a crime scene?
A) Criminal Investigator
B) First Responder
C) District Attorney
D) Crime scene Photographer
Answers
Answer:
Explanation:
Law enforcement establishes a crime scene of what happened.
Select the correct answer.
Macy always thought there were only a few hair colors: blond, brown, and black. However, when she actually began looking around, she saw varying shades of these hair colors. What is a possible reason for so many different hair colors?
A.
codominance
B.
coinheritance
C.
incomplete dominance
D.
incomplete inheritance
E.
polygenic inheritance
Answers
polygenic inheritance
Which best explains why it is difficult to classify protists?
O They are all so much like one another.
• There is a lot of diversity
between the organisms.
O They
do not have anything in
common with other organisms.
O They have structures that are hard to observe.
Answers
Answer:
There is a lot of diversity between the organisms.
hope it helps!
What is the first structure to receive carbon dioxide from the blood during exhalation?
bronchus
alveolus
nasal cavity
bronchiole
Answers
The first structure to receive carbon dioxide from the blood during exhalation is the alveolus.What is an alveolus?An alveolus is a tiny air sac found within the lung tissue that aids
the diffusion of gases between the air in the lungs and the blood in the capillaries. The oxygen from the air is taken up into the blood and replaced with carbon dioxide, which is then removed from the body during exhalation.What is a bronchiole?Bronchioles are small airways that carry air from the bronchi to the alveoli in the lungs. They are much smaller than the bronchi and branch off into smaller and smaller tubes.What is dioxide?Dioxide is a molecule composed of two oxygen atoms covalently bonded to a single carbon atom. It is also referred to as carbon dioxide (CO2) and is produced by cellular respiration in organisms that use oxygen as part of their metabolism.
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factor that changes as a result of changes in other variables
Answers
Answer:
dependent variables 2.independent variable .Explanation:A student recorded some observations between prokaryotic and eukaryotic cells.
Characteristics
1 size
2 complexity level
3 plasma membrane
4
membrane-bound
organelles
5 nucleus
Prokaryotic Eukaryotic
Cell
Cell
smaller
high
present
present
present
bigger
low
absent
absent
absent
Which differences did the student list correctly?
O 2, 4, and 5
O 2, 3, and 4
O 1, 3, and 5
O 1, 3, and 4
Answers
Answer: 2,4 and 5
Explanation:
The energy expenditure associated with food digestion and absorption is the
basal metabolic rate (BMR).
thermic effect of food (TEF).
resting metabolic rate (RMR).
respiratory exchange ratio (RER).
Answers
"The energy expenditure associated with food digestion and absorption is the thermic effect of food (TEF)."
Energy expenditure refers to the number of calories that a person burns in a day as a result of their daily routine. Energy expenditure involves the amount of energy a person uses when they are resting and when they are doing physical activity.
Food digestion is a process where food is broken down into small molecules by the digestive system. The body then absorbs these molecules to provide nutrients and energy.
The thermic effect of food (TEF) refers to the increase in energy expenditure associated with food digestion and absorption. When you eat food, your body has to work to break it down and absorb the nutrients, which results in an increase in energy expenditure.
Energy represents the total energy used by the body for various physiological functions, including basal metabolic rate (BMR), physical activity, and the thermic effect of food (TEF).
1. Basal Metabolic Rate (BMR): BMR is the energy expended by the body at rest to maintain essential physiological functions such as heart rate, breathing, and organ function. It represents the energy required to sustain life and accounts for the largest proportion of total energy expenditure (typically around 60-75%).
2. Physical Activity: Energy expenditure associated with physical activity includes any bodily movement, such as exercise, walking, housework, or occupational tasks. This component can vary widely depending on the individual's activity level, duration, and intensity of exercise, and can contribute significantly to overall energy expenditure.
3. Thermic Effect of Food (TEF): As mentioned earlier, TEF is the energy expenditure associated with the digestion, absorption, and metabolism of nutrients after a meal. It accounts for a small portion of total energy expenditure (typically around 10% of the calories consumed).
These three components (BMR, physical activity, and TEF) together make up the total daily energy expenditure (TDEE) of an individual. It is important to note that energy expenditure can vary among individuals due to factors such as age, sex, body composition, genetics, and overall health.
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Choose the bases that would form the codon that represents the amino acid Serine (ser).
Answers
A codon is a series of three nucleotides which code for a specific amino acid in protein biosynthesis.
Most of the standard 20 amino acids have several different codons that encode for a single amino acid.
For RNA strands, the four different available nucleotide bases are A (adenine), G (guanine), U (uracil), and C (cytosine).
There are six codons that represent serine: UCU, UCC, UCA, UCG, AGU, AGC.
For the corresponding DNA strands, substitute T (thymine) for U. In double stranded DNA, A always pairs with T, and G always pairs with C.
Correct option is C)
Serine is an amino acid which is proteinogenic amino acid. Its codons in the genetic code are UCU, UCC, UCA, UCG, AGU and AGC
So, the correct answer is 'UCU, UCC, UCA and UCG'
What is the relationship between the two parts of the nervous system?
The central nervous system controls thoughts and feelings, while the peripheral nervous system controls movement.
The peripheral nervous system transfers impulses to and from the central nervous system, where the information is processed.
The peripheral nervous system carries information into the body, while the central nervous system carries signals to the muscles and glands.
The central nervous system processes information and stores memory, while the peripheral nervous system controls hormones and feelings.
Answers
Answer:
Explanation:
The relationship between the two parts of the nervous system are: The peripheral nervous system transfers impulses to and from the central nervous system, where the information is processed.
Answer:
The peripheral nervous system transfers impulses to and from the central nervous system, where the information is processed.
Explanation:
I had taken this test and got it wrong when i looked at it and its this one.
Which is a similarity between hemostasis and coagulation?
a) Both prevent hemorrhage.
b) Both involve a decreased diameter of blood vessels.
c) Both are defined as the formation of a clot.
d) Both form a platelet plug.
Answers
The similarity between hemostasis and coagulation is that "both are defined as the formation of a clot". The correct option is C.
Hemostasis is the process of stopping the bleeding that occurs when a blood vessel is damaged, whereas coagulation is the process of forming a clot to stop the bleeding caused by the damage to a blood vessel.
What is hemostasis?Hemostasis is the process by which the body prevents blood loss from damaged blood vessels. Hemostasis includes several steps:
1. The damaged blood vessels contract (vasoconstriction) to decrease the amount of blood flow to the damaged region. This reduces the pressure within the vessels, decreasing the flow of blood.
2. A platelet plug is formed on the site of the injury. Platelets are small cell fragments that circulate in the bloodstream and play a critical role in hemostasis.
3. The coagulation cascade, which is a series of chemical reactions, is initiated by the release of certain factors and the activation of platelets.
What is coagulation?Coagulation is the process by which blood changes from a liquid to a gel-like or semisolid state to stop bleeding when a blood vessel is damaged.
Coagulation is the result of a complex chain of events that involves the activation of certain clotting factors by the damaged vessel's injury site.
What is the difference between hemostasis and coagulation?Hemostasis is the initial stage of wound healing that happens immediately after an injury. The process of hemostasis includes vasoconstriction, platelet plug formation, and activation of the coagulation cascade. Coagulation, on the other hand, is a more complex process that happens later in the healing process when a fibrin clot is formed.
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Pleas Help Me!!!! I give brainliest!!!!
If the amplitude of a wave changes, which also changes A) disturbance from the wave B) frequency C) wave speed D) refraction
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Answer:
The answer is B frequency
identify the characteristics of weather pattern that would give rise to an agricultural drought over the great plains.
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An agricultural drought over the Great Plains can be characterized by the following weather patterns:
1. Low precipitation: Extended periods with below-average rainfall can lead to insufficient soil moisture for crop growth, contributing to agricultural drought.
2. High temperatures: Prolonged periods of above-average temperatures can increase evaporation rates, causing the soil to lose moisture and stressing plants, thus exacerbating the drought conditions.
3. Wind patterns: Persistent winds can further decrease soil moisture by increasing evaporation and eroding the topsoil, making it difficult for crops to establish strong root systems.
4. High-pressure systems: The presence of a high-pressure system over the region can cause a sinking motion in the atmosphere, which inhibits the formation of clouds and precipitation, leading to dry conditions.
To summarize, the characteristics of weather patterns that would give rise to an agricultural drought over the Great Plains include low precipitation, high temperatures, persistent winds, and high-pressure systems.
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Type the correct answer in the box. Spell all words correctly.
What does natural resource management aim at?
Natural resource management aims at______ management of resources.
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Answer:
The natural resources management aim at saving the natural resources for the future generations without depriving the demand of the present generations.
what is an example of an energy system to power a flashlight
Answers
Answer:
Pokémon cool
Explanation:
cool
Which of the following is an example of how the Paris Agreement will impact a country's response to climate chang?
Olt will allow more international travel between France and other countries
Ot will create the plans that countries must follow and hold leaders responsible
Okt will provide the funds to all nations so that the citizens of the country will not be taxed
Oft will push the country to take stronger actions in their nationally determined contributions
Answers
The following option is an example of how the Paris Agreement will impact a country's response to climate change:
It will push the country to take stronger actions in their nationally determined contributions.
The Paris Agreement is a global treaty that aims to combat climate change and limit global warming to well below 2 degrees Celsius above pre-industrial levels. One of the key aspects of the agreement is the concept of nationally determined contributions (NDCs). Each participating country is required to submit their own NDC, which outlines their specific climate goals, targets, and strategies for reducing greenhouse gas emissions.By pushing countries to take stronger actions in their NDCs, the Paris Agreement encourages nations to enhance their efforts in combating climate change. This can include setting more ambitious emission reduction targets, implementing policies and measures to transition to cleaner energy sources, promoting sustainable practices, and investing in renewable energy and climate resilience initiatives.The Paris Agreement serves as a global framework that holds countries accountable for their actions and encourages continuous improvement in their response to climate change. By urging countries to strengthen their nationally determined contributions, it fosters a collective and collaborative effort towards addressing the global climate crisis.For more such question on Climate change
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FILL IN THE BLANK. Women are more likely to get urinary tract infections because, while urine is a type of ___________ immunity that washes out the urethra on a regular basis, the urethra is much shorter in women and thus bacteria are more likely to enter the urinary tract organs.
Answers
Women are more likely to get urinary tract infections because, while urine is a type of innate immunity that washes out the urethra on a regular basis, the urethra is much shorter in women, and thus bacteria are more likely to enter the urinary tract organs.
Urinary tract infections (UTIs) are a common problem, particularly in women. While urine contains substances that help to prevent bacterial growth, such as urea and uric acid, the female urethra is much shorter than the male urethra. This makes it easier for bacteria to enter the urinary tract and cause an infection.
Urine is a type of innate immunity that washes out the urethra on a regular basis, which helps to prevent bacterial growth. The urethra is the tube that carries urine from the bladder to the outside of the body. In women, the urethra is only about 1.5-2 inches long, compared to the male urethra, which is about 8 inches long.
In addition to the shorter urethra, hormonal changes can also increase the risk of UTIs in women. Changes in hormone levels during menstruation and menopause can affect the acidity of the vaginal and urinary tract, making it easier for bacteria to grow and multiply.
Overall, women are more likely to get UTIs due to the combination of a shorter urethra and hormonal changes that can affect the urinary tract's acidity.
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Which of these are analogous concepts from touch, vision, and hearing, respectively?
A. fast adaptation; dark adaptation; auditory adaptation
B. two-point threshold; rod and cone adaptation; two-tone suppression
C. megnalimbic coding; visualimbic coding; audiolimbic coding
D. somatotopic mapping; retinotopic mapping; tonotopic mapping
Answers
D. Somatotopic mapping; retinotopic mapping; tonotopic mapping.
Somatotopic mapping refers to the organization of the somatosensory system, where sensory information from different body parts is represented in an ordered manner on the somatosensory cortex. Retinotopic mapping refers to the organization of the visual system, where visual information from different regions of the retina is represented in a spatially organized manner in the visual cortex. Tonotopic mapping refers to the organization of the auditory system, where different frequencies of sound are represented in an orderly manner along the auditory pathway, from the cochlea to the auditory cortex. These concepts highlight the idea of spatial organization and mapping of sensory information in the respective sensory systems. They demonstrate how different areas of the brain are dedicated to processing specific aspects of touch, vision, and hearing, allowing for efficient perception and interpretation of sensory stimuli in each modality. are somatotopic mapping, retinotopic mapping, and tonotopic mapping.
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A scientist isolated a molecule with nucleotide bases A, C, G, and U and ribose sugars. What is it?
a. rna
b. an amino acid
c. glucose
d. dna
e. a fatty acid
Answers
Answer:
The Answer is RNA.
Explanation:
Because RNA consists of four nitrogenous bases: adenine, cytosine, uracil, and guanine. I am 100% sure that is the answer if it's wrong, very sorry.
an estimated 70% of cases of foodborne illness are either undiagnosed or misdiagnosed because they are caused by , which are difficult to detect. multiple choice question. fungi bacteria viruses bacteria
Answers
70% of cases of foodborne illness are either undiagnosed or misdiagnosed because they are caused by Bacteria.
Bacteria is one of the main causes of foodborne illness, and it is estimated that 70% of these cases are either undiagnosed or misdiagnosed due to the difficulty in detecting bacteria in food. Bacteria can be spread through contaminated food and water, and can cause a wide range of symptoms ranging from stomach pain to vomiting and diarrhea.
There are a variety of methods used to detect and identify bacteria in food, including culture testing and nucleic acid amplification tests. In order to prevent foodborne illnesses, it is important to ensure that food is properly stored, handled, and cooked in order to prevent the growth and spread of bacteria. Additionally, if someone suspects they have contracted a foodborne illness, they should seek medical help and be tested for bacteria.
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Describe ways in which HIV can be transmitted
Answers
Answer:
From mother to child.
Unprotected sexual intercourse.
Sharing of sharp objects.
Unscreened blood transfusion.
Contact with body fluid of an infected person
If you are looking at the following strand of repeating nucleotides:
AUCGCUGUAAGCGCCAAU
is it DNA or RNA and how can you tell?
Answers
Answer:
A nucleotide is the basic building block of nucleic acids. RNA and DNA are polymers made of long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base. The bases used in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T). In RNA, the base uracil (U) takes the place of thymine.
In the wild, predators hunt and prey must always be on the alert.
displays what is known as the fight or flight reflex.
When confronted with an external stimulus that causes fear, an organism
In the picture shown above, which of the following describes what is happening in the fight or flight reflex?
F. The predator reacts quickly as it runs away from the prey in order to survive the attack.
G. Both predator and prey display the fight reflex and begin to attack each other.
H. The prey reacts quickly as it runs away from the predator in order to survive the attack.
J. Both predator and prey display the flight reflex and run away from the threat.
Answers
Answer:Hi, I believe the answer is H. The prey reacts quickly as it runs away from the predator in order to survive the attack.
Explanation:Good luck
The Scientific Method: Steps, Terms & Examples
After watching the video, take the quiz until you score 100%.
Afterward, write a summary and include the three points below.
• Explain each element of the scientific method
Identify the scientific method in real world situations
Describe how peer review and competition contribute to scientific communities
Answers
APickkles
Explanation:
m bjwnd
16. In the context of the personality research methods, determining the effect of one or more variables on behaviour....
Answers
Answer:
an experiment
Explanation:
In the personality research methods, an experiment is the method determines the effect of one variable or more variables on the behavior. In personality research methods, we conclude that :
-- it can be stable as well as predictable
-- it is based on the behavior and the personality traits
-- it is resistant to the sudden changes
Answer 3 questions please, thank you!
What resource below is not essential but is important to how we live our lives on Earth?
A. Water
B. Oxygen
C. Fossil Fuels
D. Plants
Which of the following is most important to cultivating food in order to sustain human growth?
A. Domesticating animals
B. Agriculture
C. Mining
D. Manufacturing
Which of the following involves making man-made products from natural resources?
A. Agriculture
B. Mining
C. Manufacturing
D. Urbanization
Answers
Answer: fossil fuels
Explanation: because we don’t need them but they help us life
The oldest crust on the ocean floor is found in the center of the mid-ocean
True or False
Answers
Answer:
true
Explanation:
Answer:
False
Explanation:
The oldest parts of the oceanic crust are in the Mediterranean Sea.