5)in part b, the ph of the tris-glycine buffer used is 9.2 and the pi of normal human hemoglobin (hbahba) is 6.9. what is the net charge on normal human hemoglobin (hbahba), heterozygous (hbahbs) and sickle cell hemoglobin (hbshbs)? which electrode should each sample migrate toward during the electrophoretic separation? (2 points))

Answers

Answer 1

Valine replaces glutamic acid in sickle cell anemia. The migration rate of HbSHBS relative to HbAHDA at pH 9.2 is shown in Part B along with its pi.

In sickle cell anemia, which amino acid replaces glutamic acid?

As a result, valine, a hydrophobic amino acid, is used instead of glutamic acid, a negatively charged sixth amino acid.

What happens when glutamic acid is used instead of valine?

Base substitution of glutamic acid to valine occurs at the appropriate place along the beta chain of the hemoglobin molecule in sickle cell anemia. This substitution occurs as a result of the single base change of the sixth codon of the beta globin gene from GAG to GUG.

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Related Questions

what will most likely happen if the plankton population decreases in this ocean system?​

Answers

Answer: here

Explanation: If the plankton population decreases, there will be less food available for the shrimp. 2. As a result, the shrimp population may also decrease due to lack of food.


hope this helps

What are non-phathogenic bacteria ​

Answers

organisms are those that do not cause disease, harm or death to another organism and is usually used to describe bacteria. It describes a property of a bacterium - its ability to cause disease. ... A particular strain of bacteria can be nonpathogenic in one species but pathogenic in another.

the somatic cells derived from a single-celled zygote divide by which process?

Answers

Answer:

The process of mitosis

Explanation:

Mitotic division

 Somatic cells that are derived from a single-celled zygote by the process of mitosis. This mitotic cell division is a cell division in which two daughter cells are produced that are genetically identical.

What is a somatic cell?

All of the cells in the body are derived from a single cell zygote formed during fertilization. By the process of mitosis, the zygote is multiplied and makes a morula that is further differentiated into different body cells such as nerve cells, etc.

Those cells that are present on the reproductive organs and form gametes are called germinal cells, and the rest of the cells are called somatic cells. Somatic cells are found on the skin, among other places, and divide mitotically to produce an exact somatic cell, as in the case of an injury. Germinal cells undergo meiosis and form haploid gametes.

Hence, somatic cells that are derived from a single-celled zygote by the process of mitosis.

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Water does not contain carbohydrates, fats, or proteins which are essential components of food. Then why do we drink water?

Answers

Answer:

Water is a universal solvent, and is used in biochemical reactions that take place in the human body.

TO PLZ HELP!!!!
List five organelles eukaryotes have that prokaryotes do not have.

Answers

mitochondria, ribosomes, Golgi body, endoplasmic reticulum, cell wall, chloroplast,

Answer:

nucleus, mitochondria, golgi apparatus, endoplasmic reticulum and lysosomes

Find the link to the video here: "The No Impact Man"
The film, "The No Impact Man", follows Colin Beavan and his family during their
year-long experiment to have zero impact on the environment. After watching a brief
video detailing the Beavan family's efforts to reduce their carbon footprint, how do you
think you would live such a radical lifestyle as his?
In one paragraph below (at least five sentences), reflect on what parts of your
life you would have to change to be like the "No Impact Man drastically." How long do
you think you could sustain living that lifestyle? Would the people in your life support
your decision to live in such a way? Is it worth it for the environment or would a
compromise make more sustainable choices better than having ZERO IMPACT on the
environment for an entire year?

Find the link to the video here: "The No Impact Man"The film, "The No Impact Man", follows Colin Beavan

Answers

1) Living like Colin Beavan and his family is not impossible, however, it sure is difficult. Such a lifestyle can be made even easier with government programs put in place to help.

2) Living with minimal impact on the environment is not impossible. Many humans are already doing same. The financial sector in first work countries have already put measurs in place to encourage such kind of living among corporate individuals. It is hoped that when corporations catch the vision, it will trickle down to others. It's all about Environmental Protection.

What is the importance of Preserving the Environment?

We conserve for three primary reasons:

To restore some of the harm caused by people while still preserving the environment for future generations. To preserve species variety for our own and wildlife's benefit. To create chances for environmental education and enjoyment.

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Layer
Question
Epidermis
(outer layer)
General function?


Why is it water resistant?


Function of the stratum layers?


Role of Melanocytes and melanin?


Function of Merkel cells?
Dermis Layer
(middle layer)
What is it composed of?


How does the dermis help with thermoregulation?


How do sweat glands help with thermoregulation?


Role of blood vessels in the dermis?


Role of nerves in the dermis layer?
Hypodermis
(inner layer)
What is it composed of?


What are its primary functions?

Answers

Answer:  It protects your body from harm, keeps your body hydrated, produces new skin cells, and contains melanin, which determines the color of your skin.

The stratum corneum is the outermost layer of the epidermis and is composed of dead scale-like cells that become progressively flattened and joined together. In addition, the outer skin, or epidermis contains a strong protein called keratin. Keratin is insoluble in water, making this layer waterproof. The outermost layer of the epidermis (stratum corneum) holds in water and keeps your skin hydrated and healthy. Melanocyte is a highly differentiated cell that produces pigment melanin inside melanosomes. This cell is dark and dendritic in shape. Melanin production is the basic function of melanocytes. With the process of differentiation, this cell loses proliferative potential. A special type of cell is found right below the epidermis (top layer of skin). These cells are very close to the nerve endings that receive the sensation of touch and may be involved in touch. The cells also contain substances that may act as hormones.

The dermis is divided into two layers: the papillary dermis and the reticular dermis. It consists of collagen fibers, fibroblast cells, fat cells, blood vessels (capillary loops), nerve fibers, touch receptors (Meissner corpuscles), and cells that fight bacteria (phagocytes). The blood vessels of the dermis provide nutrients to the skin and help regulate body temperature. Heat makes the blood vessels enlarge (dilate), allowing large amounts of blood to circulate near the skin surface, where the heat can be released. Cold makes the blood vessels narrow (constrict), retaining the body's heat. The eccrine sweat gland, which is controlled by the sympathetic nervous system, regulates body temperature. When the internal temperature rises, the eccrine glands secrete water to the skin surface, where heat is removed by evaporation. The blood vessels in the dermis are crucial for the maintenance of the epidermis and epidermal appendages. Nutrients via blood support the epidermis, hair follicles, and sweat glands. Feeling different sensations: Nerve endings in your dermis allow you to feel different sensations, like pressure, pain, heat, cold, and itchiness. Producing sweat: Your dermis contains sweat glands, which produce sweat when you're hot or experience stress. Sweat helps control your body temperature (thermoregulation). The hypodermis layer includes Adipose tissue: Adipose tissue is a fatty tissue that consists mostly of adipocytes. Blood vessels: Blood vessels include arteries, capillaries, and veins. They circulate blood throughout your body, help deliver oxygen to vital organs, and remove waste products. The hypodermis is the bottom layer of skin in your body. It has many important functions, including storing energy, connecting the dermis layer of your skin to your muscles and bones, insulating your body, and protecting your body from harm.

Which feature of the model represents stored chemical energy

Answers

The sugar molecule represents the most stored chemical energy. Thus, the correct answer is Option B.

Sugar (glucose, C₆H₁₂O₆) is a biological molecule that stores energy in its chemical bonds, not the molecule that initiates the process of cellular respiration During cellular respiration, glucose is broken down in a series of chemical reactions to produce energy ATP (adenosine triphosphate).

The process of cellular respiration begins at the stage of glycolysis, where glucose in the cytoplasm of the cell is partially broken down into pyruvate molecules and then the pyruvate molecules are broken down again in the presence or production of oxygen (aerobic respiration). fermentation in the absence of oxygen depending on whether oxygen is present

During aerobic respiration, pyruvate enters mitochondria and undergoes the citric acid cycle (also known as the Krebs cycle) and the electron transport chain These processes release energy from glucose chemical bonds to produce more ATP.

Therefore, sugar (glucose), although it stores energy in its chemical bonds, is not the molecule that initiates cellular respiration. Instead, during cell respiration, glucose is broken down and energy is released in the form of ATP.

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Complete question:

Which feature of the model represents the most stored chemical energy?

A. The oxygen gas molecule

B. The sugar molecule

C. The water molecule

D. The carbon dioxide molecule​

Which feature of the model represents stored chemical energy

in an experiment, the efficiency of oxygen exchange across the plasma membrane is being assessed in four artificial red blood cells. the table above lists some properties of those artificial cells. other conditions being equal, which artificial cell is predicted to be the most efficient in exchanging oxygen with the environment by diffusion?

Answers

The artificial cell resembles to hemoglobin is the most efficient in exchange of oxygen.

That artificial cell is considered as the most efficient in exchanging oxygen with the environment by diffusion which is more resembles in structure to the hemoglobin cell because hemoglobin cell is responsible for the exchange of carbondioxide and oxygen in the body of living organism. If the artificial cell has all the components which is present in hemoglobin cell then the artificial cell is considered more efficient in its function so we can conclude that artificial cell resembles to hemoglobin is the most efficient.

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Microfilaments, intermediate filaments, and microtubules collectively
ake up what part of the cell? *
A.) cytoskeleton
B.) nuclear envelope
C.) chromatin
D.) nucleus

Answers

A.) Cytoskeleton

Because protein fibers the cytoskeleton. There are three types of fibers within the cytoskeleton: microfilaments, intermediate filaments, and microtubules






CHOOSE THE RIGHT ANSWERS FOR 50 POINTS
What caused the Nullification Crisis in 1832?

A. South Carolina’s refusal to pay taxes on goods it did not produce
B. a state’s decision that states could ignore laws not in the Constitution
C. the tariff of 1832 that reduced tariff rates to 35%
D. the belief that the tariff system would bring poverty to the North
E. a biased system that favored the agricultural states

Answers

Answer:

A. South Carolina’s refusal to pay taxes on goods it did not produce

B. a state’s decision that states could ignore laws not in the Constitution

Explanation:

A state's decision which states could ignore laws not in the Constitution caused the Nullification Crisis in 1832. Therefore, the correct option is B.

South Carolina's assertion of state power to overturn federal law was deemed unconstitutional, leading to the Nullification Crisis of 1832. South Carolina particularly opposed the tariffs of 1828 and 1832 because they were considered harmful to its economy.

They claimed that if the states felt that federal laws were illegal, they had the right to nullify them within their own borders. The concept of "disempowerment" raised questions about the legitimacy of the federal government and how the states and the federal government should interact.

Therefore, the correct option is B.

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Plz HELP!!!!BRAINLIEST FOR THE PERSON WHO ANSWERS FIRST!!!!!

A person who receives the blood is referred as?

Answers

Answer:

The Person who receives the blood from the healthy person is called a donor.

Answer

Recipient

Explanation:

There u go guess there's no explanation for that

On an alien planet, a diploid creature called a zork exhibits the characteristics of blending inheritance. Red zorks crossed with red zorks produce only red offspring. White zorks crossed with white zorks produce only white offspring. White zorks that are crossed with red zorks yield pink offspring. If these pink offspring were crossed to white zorks, which would be the most likely result

Answers

If pink offspring of a cross between a white zork and a red zork were crossed with white zorks, the most likely result would be a blend of pink and white offspring.

Blending inheritance is a model of inheritance in which the traits of the offspring are a mixture of the traits of the parents. In this model, the genetic material from the parents is thought to mix together in a way that results in a blend of traits in the offspring. In the scenario described, red zorks and white zorks are both homozygous for their respective traits, and crossing them produces offspring that are also homozygous for the same trait. However, when a white zork is crossed with a red zork, the resulting offspring are heterozygous for the trait, and exhibit an intermediate phenotype of pink.

If the pink offspring of a white zork and a red zork were crossed with white zorks, the resulting offspring would likely exhibit a blend of pink and white traits, as blending inheritance suggests that the traits of the parents will be blended together in the offspring. However, it's worth noting that this scenario assumes that the zorks exhibit blending inheritance, which may not necessarily be the case in reality.

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The lining of the abdominal - pelvic cavity is the _____.
A. Endothelium
B. Pleura
C. Perineum
D. Peritoneum

Answers

The lining of the abdominal - pelvic cavity is the Peritoneum.

The peritoneum is the serous membrane that lines the belly cavity. it's miles composed of mesothelial cells which are supported by a skinny layer of fibrous tissue and is embryologically derived from the mesoderm.

Your peritoneum is the tissue that lines your belly wall and covers maximum of the organs for your stomach. A liquid, peritoneal fluid, lubricates the surface of this tissue.

Biology of the peritoneal membrane. The peritoneum is the serosal membrane that lines the belly hollow space. The portion that covers the viscera and different intraabdominal structures is called the visceral peritoneum, and that which traces the abdominal cavity is referred to as the parietal peritoneum.

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Which of the following does not cycle quickly!
A) Wood
B) Oil
C) Water
D) Carbon

Answers

Answer:

I believe it is be

Explanation:

Depending on the type  oil, it can be natural and  non renewable

My answer choice is B and my second option is D i am very indeed sorry if I'm wrong.

between neanderthals and denisovans which of them has contributed the advantageous alleles to the human gene pool that affect the skin and immune traits?

Answers

The following characteristics distinguish modern humans from other Homo sapiens species, Neanderthals, and both of them:-

Characteristics of early human

Humans have thin, flexible fingers, light bones, and quick mobility. They also have a long childhood.

Neanderthals had big fingers, heavy bones, and slow movements.

Both: Made use of tools; stood straight.

Describe traits.

The quality that a person possesses and is referred to as his personality is referred to as a trait. The property of being consistent, steady, and differentiable from person to person is included in the feature.

There are three different categories of qualities: cardinal, central, and secondary traits.

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plz help as soon as possible ​

plz help as soon as possible

Answers

Answer:

2nd ans

Explanation:

awnser 2. its XAXa you welcome :)

Name 3 things that come from decayed plants, are fossil fuels, and release carbon dioxide when they are burned.

Answers

Answer:

carbon cycle, neutral, and decomposition

Carbon cycle , neutral , decomposition

What does the following diagram illustrate?
Algae → Minnows → Salmon → Bear
A.
a food chain
B. a trophic level
C.
a food web
D.
a food pyramid

Answers

The diagram illustrates A) a food chain

What happens during metaphase 2 in meiosis?

Answers

Answer:

During metaphase II, the centromeres of the paired chromatids align along the equatorial plate in both cells. Then in anaphase II, the chromosomes separate at the centromeres. The spindle fibers pull the separated chromosomes toward each pole of the cell.

The light reaction, in photosynthesis, occurs in:

A) The Stroma
B) The Mitochondria
C) The Grana
D) The Electron Transport Chain

Answers

The light reaction in photosynthesis takes place in C) The Grana.

Which best defines homeostasis? modifying the external environment maintaining a stable internal environment controlling what enters and exits the cell movement of materials into the cell

Answers

Answer:

B. maintaining a stable internal environment

Explanation:

Took the test :)

Answer: yes its B

Explanation:

Consider the reaction 2 h2 o2 --> 2 h2o what is the ratio of the initial rate of the appearance of water to the initial rate of the disappearance of oxygen?

Answers

The rate of appearance of water to the initial rate of the disappearance of oxygen is 2:1.

      2H2 + O2 ----> 2 H2O

From the equation,

we can conclude that 2 moles of water appear from 1 mole of O2.

Water (H2O) is an inorganic, transparent, tasteless, odorless, and almost colorless chemical substance that is the major ingredient of the Earth's hydrosphere as well as the fluids of all known living species. Even though it doesn't offer food, energy, or organic micronutrients, it is necessary for all currently understood forms of life.

Each of its molecules is made up of one oxygen and two hydrogen atoms that are joined together by covalent bonds, as evidenced by the chemical formula H2O. The hydrogen atoms are at an angle of 104.45° to the oxygen atom.

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What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist

Answers

The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.

Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.

Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.

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When ____ are arranged in the order of there age, a continual series of change is seen, new changes being add to each stage biology

Answers

When organisms are arranged in the order of their age, a continual series of changes is observed, with new changes being added at each stage. This phenomenon is inherent in the field of biology and reflects the process of development and growth.

Throughout an organism's lifespan, it undergoes various transformations, both physical and physiological, as it progresses from birth to maturity. These changes encompass aspects such as cellular differentiation, organ formation, hormonal shifts, and neurological development. The ordered sequence of these changes provides a snapshot of the progressive nature of life and highlights the intricate and dynamic nature of biological systems. It underscores the ongoing adaptation and evolution of organisms as they navigate through different life stages.

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Which molecule contains the instructions for making proteins? A. DNA B. RNA C. Carbohydrates D. Protein​

Answers

Answer:

I thinks it‘s A. DNA

Explanation:

Which class of macromolecules is not organized in repeating units of monomers? proteins lipids nucleic acids carbohydrates

Answers

Answer:

lipids

Explanation:

Answer:

lipids

Explanation:

macromolecules are large molecules that are formed by the joining of smaller units. Lipids fit that description, but they aren't polymers because they are made up of smaller units of different kinds (like glycerol and fatty acids) rather than monomers that repeat themselves

A woman has a BMI of 27 and a buddy mass of 68.1kg

Answers

BMI (Body Mass Index) is a measure of body fat based on an individual's height and weight. It is commonly used to assess whether someone is underweight, normal weight, overweight, or obese. It is calculated by dividing weight (in kilograms) by height squared (in meters).

A BMI of 27 is considered overweight. Buddy mass, on the other hand, is not a term that is commonly used in health and fitness contexts, so it is difficult to provide a definitive answer based on this information alone. It is possible that the term "buddy mass" is a misspelling of "body mass," which refers to the amount of matter contained within an individual's body. If this is the case, then the woman's body mass would be 68.1kg. However, if there is another meaning or context for "buddy mass," it would be helpful to have more information in order to provide a more accurate answer.

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7. PLEASE HELP ALSO A LOT OF POINTS

Answers

So ummm what is it?????

Answer:

what is the ?

Explanation:

I need the brainliest lol

44. A food handler does NOT need to worry about time and temperature control when handling which food?
Steamed rice
Cooked beans
Grilled steak
Warmed tortillas
QUESTIONZANSY

Answers

Steamed rice or beans.
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