If a total of 2000 kcal were consumed (energy came from 250 grams of carbohydrates, 66 grams of fat, and 102 grams of protein), what percentage of energy comes from carbohydrates, fat, and protein?
Answers
The percentage of energy that comes from carbohydrates, fats and protein are 50%, 30% and 20% respectively.
What are biomolecules and its importance?Biomolecules are necessary for the functioning of all living things. Many different small and big molecules, including amino acids, vitamins, fatty acids, neurotransmitters, and hormones, make up biomolecules (protein, carbohydrates, nucleic acids, and enzymes). Nucleic acids, lipids, proteins, and carbohydrates make up the four primary categories of biomolecules.
How long can people live without biomolecules?
Lipids, proteins, carbohydrates, and nucleic acids make up the building blocks of life. All life on Earth depends on each and every one of the four groups. A cell or creature could not exist without one of these four molecules.
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Related Questions
PLEASE HELP ASAP!! WILL MARK BRAINLEST!!!!
What term describes physical weathering due to collisions between sand and sediment carried in moving water and the rock surface over which the water flows?
A) Dissolving
B) Abrasion
C) Wedging
D) Erosion
I think it is either B or D, does anyone know for sure what the answer is?
Answers
Answer:
D, erosion
Explanation:
Answer:
D) Erosion
Explanation:
Erosion is the process its describing
If you are going to allow a population of mice to randomly mate for 5 generations and you want to limit inbreeding to a maximum of 14.678481% after generation 5 (assuming you started with zero inbreeding), how many males do you need if you have 20 females?
a) 5
b) 10
c) 50
d) 2
e) 8
Answers
The answer is (b) 10. To limit inbreeding to a maximum of 14.678481% after 5 generations, we need to calculate the expected amount of inbreeding in each generation and then adjust the number of males to add to the population accordingly.
The expected amount of inbreeding in each generation can be calculated using the formula:
Expected inbreeding = (1 - (1/2)^(generation/2)) * (1 - (1/2)^(generation/2)^2) * ... * (1 - (1/2)^(generation/2)^(14))
Substituting the value of generation=5 gives:
Expected inbreeding = (1 - (1/2)^5) * (1 - (1/2)^5)^2 * ... * (1 - (1/2)^5)^(14)
= 0.81924005762932
The maximum amount of inbreeding allowed is 14.678481%. Substituting this value gives:
Maximum inbreeding = 14.678481 / 0.81924005762932
= 17.5937535396166
Therefore, to limit inbreeding to a maximum of 14.678481% after 5 generations, we need to add at least 17.5937535396166 males to the population.
Solving for the number of males needed if we have 20 females, we get:
17.5937535396166 = (20 * 1 - 14.678481) / 20
= 3.45344278981875
Rounding to the nearest whole number, we get:
The number of males needed is 3.
Therefore, the answer is (b) 10.
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How do CAM plants fix carbon?
Answers
Answer:
CAM plants temporally separate carbon fixation and the Calvin cycle. Carbon dioxide diffuses into leaves during the night (when stomata are open) and is fixed into oxaloacetate by PEP carboxylase, which attaches the carbon dioxide to the three-carbon molecule PEP.
Explanation:
What types of change can mutations have?
Answers
Answer:
Explanation:
Base Substitutions. Single base substitutions are called point mutations, recall the point mutation Glu -----> Val which causes sickle-cell disease.
Answer:
Types of Mutations
Missense mutation: This type of mutation is a change in one DNA base pair that results in the substitution of one amino acid for another in the protein made by ...
Nonsense mutation: A nonsense mutation is also a change in one DNA base pair. ...
Insertion or Deletion: An insertion changes the number of DNA bases in a gene by adding a piece of DNA.
Explanation:
Which is an ion found in a glass of water?
O
A. 02
क
B. N+
C. H+
D. 0-
SUBMIT
Answers
i am pretty sure its C. H+ im sorry if im wrong tho :(
What are the chemical origins of life?
Answers
Answer: The chemical origin of life refers to the conditions that might have existed and therefore promoted the first replicating life forms. It considers the physical and chemical reactions that could have led to early replicator molecules. All life is composed mainly of the four macromolecule building blocks: carbohydrates, lipids, proteins, and nucleic acids. The interactions of different polymers of these basic molecule types make up the majority of life's structure and function.
HELP PLZ only if you know 11 points
Examine the image. Explain how the spider’s genes and environment have influenced its characteristics.
Answers
he blends in with the flower so his blood made his skin color white with yellow/orange.
hope i helped!
how to get big and all thing
Answers
Answer:
hih
Explanation:
what that means what ur talking bout
Answer:
What I'm confused
what are the four nitrogenous bases and how are they related?
Answers
The four nitrogenous bases found in DNA are adenine (A), guanine (G), cytosine (C), and thymine (T).
Adenine (A), guanine (G), cytosine (C), and thymine (T) are the four nitrogenous bases found in DNA (T).
Cytosine and thymine are categorised as pyrimidines, whereas adenine and guanine are purines. Purines are larger than pyrimidines, and hydrogen bonds hold both types of bases together.
Adenine and thymine (A-T) are the only two bases that are always paired with cytosine in DNA (G-C). Between the nitrogenous bases, hydrogen bonds hold these base pairs together.
Genetic information is carried via a unique order of nitrogenous bases in DNA. A protein's structure and function are determined by the amino acid sequence within it, which is determined by the order of the bases.
In general, the four nitrogenous bases and the unique pairing rules for each of them are essential for DNA's ability to serve as the genetic material that stores and transmits information from one generation to the next.
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Based on the given information, what is your hypothesis regarding the synthesis of recombinant erythropoietin? a) Hypothesis A: Mammalian expression systems can produce biologically active and stable erythropoietin. b) Hypothesis B: Bacterial expression systems can produce biologically active and stable erythropoietin.
Answers
Based on the given information, my hypothesis would be Hypothesis A - Mammalian expression systems can produce biologically active and stable erythropoietin.
Based on the given information, my hypothesis would be Hypothesis A - Mammalian expression systems can produce biologically active and stable erythropoietin. This is because erythropoietin is a glycoprotein hormone that is naturally produced by the kidneys in mammals and has a complex structure that includes multiple disulfide bonds and glycosylation sites. Therefore, it is likely that mammalian cells would be better equipped to properly fold and modify recombinant erythropoietin to maintain its biological activity and stability.
Bacterial expression systems, on the other hand, are typically used for the production of simpler proteins that do not require extensive post-translational modifications. While it is possible to express recombinant erythropoietin in bacterial cells, it may not be able to properly fold or undergo glycosylation, leading to decreased biological activity and stability.
Overall, I believe that mammalian expression systems would be a better choice for synthesizing recombinant erythropoietin due to the complex nature of the protein and its natural production in mammals.
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It’s a immunology problem:
Some autoimmune diseases are characterized by the production of antibodies of IgG isotype that are specific for DNA. Knowing that B cells need T cell help for proper activation and isotype class switching and that DNA cannot be presented on MHCs to T cells, how would you explain this phenomenon?
Answers
Autoimmune diseases are characterized by the production of antibodies of IgG isotype that are specific for DNA. B cells need T cell help for proper activation and isotype class switching. DNA cannot be presented on MHCs to T cells.
What is the cause of this phenomenon?Autoantibodies that target the body's own DNA are found in a number of autoimmune diseases, and are a hallmark feature of lupus and some other autoimmune diseases. In addition, these autoimmune conditions are believed to be characterized by B-cell abnormalities, including hyperactivity, self-reactivity, and/or an inability to eliminate self-reactive B-cells before they reach the periphery.
This autoimmune problem could be explained by the following methods: The immune system, which is responsible for recognizing and fighting foreign organisms, is misguided in patients with autoimmune disorders. The immune system mistakes healthy cells and tissues for foreign invaders in these diseases, attacking and destroying them.
The production of these autoantibodies is due to an increase in B-cell activation, which is caused by the activation of dendritic cells and T cells, which activate B cells and promote antibody production. In people with autoimmune diseases, B-cells that are activated for any number of reasons may become self-reactive, leading to autoantibody production.
This is because, although T cells are essential for the activation of B cells, they are not required for B cells to produce antibodies. Therefore, when self-reactive B cells are activated, they are free to produce autoantibodies without the presence of T cell help.
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Which of the following functions at the same organizational level as the kidney in the human excretory system?
A. skeleton
B. epithelial tissue
C. urinary bladder
D. a squamous cell
Answers
Answer:
urinary bladder
Explanation:
In biology, there are five levels of organization namely: cell, tissue, organ, system, and organism. A collection of one forms the other, starting from the smallest CELLS. The human excretory system consists of organs that make it up.
Kidney is one of the organs that make up the excretory system. According to this question, the urinary bladder is also an ORGAN, which means that the kidney and bladder as ORGANS are functioning at the same level of organization in the excretory system.
WILL GIVE BRAINLIEST What is photosynthesis?
Answers
answer:
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
explanation:
hope this helped <3 tysm for 50 points! also if wouldn't mind could you pls give me brainliest? (im trying to level up) thanks! :)
Explanation:
Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight and turn it into chemical energy. :3
Every species of fig has its own species of fig wasp to pollinate its flowers. Without the fig wasp, there would be no fig seeds. Without the fig, the wasp could lay no eggs. What is the relationship betw
Answers
The relationship between the fig and the fig wasp is a mutualistic one. Every species of fig has its own species of fig wasp to pollinate its flowers. Without the fig wasp, there would be no fig seeds. Similarly, without the fig, the wasp could lay no eggs.
Figs and wasps rely on each other for their survival, making their relationship mutualistic. This is known as obligate mutualism. In this case, the wasp benefits from the fig by laying its eggs inside the fig flower, while the fig benefits by having its flowers pollinated by the wasp.
The fig provides a shelter and food source for the wasp in return for pollination services. The wasp lays its eggs in the fig, pollinates the flowers while doing so, and its larvae feed on the developing seeds within the fruit. As the fruit develops, the young wasps hatch and leave the fig, completing the cycle. Both fig and fig wasp rely on each other for their survival.
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which character would allow you to identify something as an echinoderm and not a chordate?
Answers
The character would allow you to identify something as an echinoderm and not a chordate is radial symmetry and a water vascular system
Echinoderms, such as starfish and sea urchins, have bodies that are arranged symmetrically around a central axis, meaning they have no distinct head or tail. In contrast, chordates, such as fish and mammals, have bilateral symmetry, meaning their bodies are divided into left and right halves that are mirror images of each other.
Echinoderms also have a unique system of canals and tubes called the water vascular system, which they use for movement, feeding, and respiration. This system is composed of fluid-filled tubes that extend from a central ring and branch out to various parts of the body, allowing the echinoderm to manipulate its tube feet and spines. Chordates do not possess this system.Therefore, the presence of radial symmetry and a water vascular system are two key characteristics that would allow you to identify something as an echinoderm and not a chordate.
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Chargaff's rule.
Strands of DNA. Complete the chart below following
S313
DNA Strand
Сс T ATATGTGG CT CCGT GT GAC CTC
Complementary
Strand
CC
Da
Answers
Answer:
ATATGTGG CT CCGT GT GAC CTC
TATACACC GA GGCA CA CTG GAG
I assume you want me to pair this DNA strand with its complementary strand. I've just added the appropriate base, using the rule T-A and C-G.
A. Use a concept map to illustrate the role of
producers, consumers, and decomposers in the
transfer of energy through ecosystems.
Answers
Concept Map of role of producers, consumers and decomposers.
Producers
- Photosynthesis
- Capture energy from sunlight
- Provide energy to consumers
Consumers
- Feed on producers
- Transfer energy to decomposers
Decomposers
- Break down dead organisms
- Return energy to producers
What is the difference between a primary consumer and a secondary consumer? A primary consumer is an organism that obtains its energy by directly eating plants. Primary consumers are herbivores and are the first level in a food chain. They are also known as grazing animals, as they graze on grass and other plant life. Examples of primary consumers include rabbits, deer, sheep, and cows.Secondary consumers, on the other hand, are organisms that obtain their energy by eating primary consumers. Secondary consumers are carnivores and are the second level in a food chain. They feed on primary consumers, such as the rabbits, deer, sheep, and cows mentioned above. Examples of secondary consumers include hawks, wolves, snakes, and foxes.The main difference between primary and secondary consumers is that primary consumers obtain their energy directly from plants, while secondary consumers obtain their energy from eating primary consumers. Primary consumers are also known as herbivores, while secondary consumers are known as carnivores. Additionally, primary consumers are the first level in a food chain, while secondary consumers are the second level.To learn more about role of decomposers refer to:
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how many amino acids are there campbell biology
Answers
In Campbell Biology, which is a widely used biology textbook, it is mentioned that there are 20 different amino acids that are commonly found in proteins.
Amino acids are the building blocks of proteins, which are essential biomolecules for life. There are 20 different amino acids that are commonly found in proteins, each with a unique chemical structure and properties. The general structure of an amino acid includes an amino group (-NH2), a carboxyl group (-COOH), and a side chain or R-group, which varies between different amino acids.
Amino acids can be classified based on the chemical properties of their side chains into polar, nonpolar, acidic, and basic amino acids. They can also be categorized as essential or nonessential amino acids based on whether they must be obtained from the diet or can be synthesized by the body.
These 20 amino acids have different chemical properties and are distinguished from each other by their unique side chains, which are also called R-groups.
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Cell biologists studying the mobility of plasma membrane proteins fused mouse and human cells together, creating a heterokaryon. They then examined the localization of mouse and human proteins over time. Initially the mouse and human proteins were restricted to separate halves of the heterokaryon. Over time the mouse and human proteins mixed, with each protein eventually being present over the entire cell surface, consistent with proteins being able to move within the plane of the membrane. What techniques could have been used to examine the locations of the mouse and human membrane proteins
Answers
Answer: Fluorescence microscopy
Explanation:
A protein is substance that is the essential constituent of living cells because it forms part of its structure. They are also found in plasma membrane, where they assist substances to cross the membrane. Proteins can be:
Integral: permanently attached within the plasma membrane.Transmembrane: it spans the entirety of the cell membrane.Peripheral: are only temporarily associated to the membrane.Some integral proteins can act as cellular receptors. Other proteins are responsible for cell adhesion (binding of a cell to another cell or to a surface). On the outside of the cell membranes, attached to other proteins, are the carbohydrate chains that act as labels identifying the type of cell.
A heterokaryon is a multinucleate cell and in this experiment the scientists fuse a human cell and a mouse cell, each of them will have their own proteins. At first, the human and mouse proteins where found in separated halves of this heterokaryon. But after a while, those proteins where mixed and could no longer be identified.
A fluorescent chemical called a fluorophore is able to be absorb light of specific wavelengths and then emit light of longer wavelengths. The proteins can be modified and marked with different colored fluorophores to detect them, even if they are mixed in the heterokaryon. Then, they can be seen with a Fluorescence microscopy, to identify them through different colors.
An antigen __________. View Available Hint(s)for Part A could be an invading bacterium is a protein attacked by an invading microorganism induces development of white blood cells in the bone marrow is a molecule that evokes a specific response by a lymphocyte is a protein molecule that helps defend the body against disease
Answers
An antigen is a molecule that evokes a specific response by a lymphocyte. When a foreign substance enters the body, such as a bacterium, virus, or other microorganism, it carries certain molecules on its surface called antigens.
These antigens are recognized by the immune system as foreign and potentially harmful. Lymphocytes, a type of white blood cell, are key players in the immune response. When they encounter an antigen that matches their specific receptors, they initiate an immune reaction.
This immune response may involve the production of antibodies, which bind to and neutralize the antigens, or the activation of other immune cells to eliminate the invading microorganism.
Thus, an antigen is a crucial component in the body's defense against diseases as it triggers an immune response, aiding in the protection and elimination of pathogens.
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Which term describes the relationship in which one organism lives inside the other one. Check ih correct answer
Answers
Answer:
The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.
Explanation:
an increase in blood co2 levels is followed by a(n) ____ in h+ ions and a(n) ____ in blood ph.
Answers
An increase in blood CO2 levels is followed by a(n) increase in H+ ions and a(n) decrease in blood pH.
When CO2 is produced as a byproduct of cellular respiration, it diffuses into the bloodstream and combines with water to form carbonic acid (H2CO3) through the action of the enzyme carbonic anhydrase. Carbonic acid then dissociates into hydrogen ions (H+) and bicarbonate ions (HCO3-).
An increase in blood CO2 levels leads to an accumulation of carbonic acid, resulting in an increase in H+ ions. These additional H+ ions contribute to the acidity of the blood, leading to a decrease in blood pH. The relationship between CO2 levels, H+ ions, and blood pH is regulated by the bicarbonate buffer system, which helps maintain the acid-base balance in the body.
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Which of the following is true about skin, bones, the heart, and intestines?
Answers
Answer:
Each of these organs is made of tissues composed of different kinds of specialized cells
Explanation:
Which of the following is one of the most abundant elements in all living
things?
O A. Calcium
O B. Aluminum
O C. Tin
O D. Gold
Answers
Calcium.
Hope this helps!
Which correctly lists the three layers in which water moves easily? rock, clay, granite soil, rock, organic layer clay, organic layer, granite granite, rock, soil
Answers
Answer:
The correct option is;
soil, rock, organic layer
Explanation:
Permeability is the ability of a layer of rock to transmit fluid such as oil or water
The factors that affect the permeability of a rock layer includes the sizes of the rock particles, the ratio of the available voids to the solid mass of the rock, the presence of trapped air and the presence of organic matter
Rocks such as gravels, and sparingly cemented sands have high permeability
The most impermeable of the options are granite and clay which for granite has large particle mass and contain no voids while clay has very fine particles packed together with little room for water
Therefore, water moves easily between layers soil, rock, organic layer
Answer:
B on edg 2020 :)
Explanation: Which is soil, rock and, organic layer
how can you prevent transmission of cholera from a patient to a healthy person?
Answers
Description:
To prevent transmission of cholera from a patient to a healthy person you should use safe water meaning clean water. Wash your hands with clean water with soap. Also cook food well mostly see food including fish
Answer:
Use safe water
Wash your hands with soap and clean water
Cook well mostly see food including fish
Please mark brainliest
Hope this helps.
Describe how water balance is maintained in a mammalian body please help am left with ten minutes
Answers
Answer:
body's water needs, conserving water if the body is dehydrated or making urine more dilute to expel excess water when necessary. ADH is a hormone that helps the body to retain water by increasing water reabsorption by the kidneys.
Explanation:
i hope it helps
Select the correct responses to the questions from the drop-down menus.
Which ope of precipitation is the most common?
Which one of precipitation is round pellets of ice less than 5 millimeters in diameter?
Which ype of precipitation is formed as pellets of ice are tossed up and down in clouds?
Answers
Answer:
freezing rain, sleet, and snow!
Explanation:
Most common type of precipitation is rain.Sleet are the round pellets of ice which is less than 5 millimeters in diameter.Hail are the precipitation formed as pellets of ice are tossed up and down in clouds.
What is precipitation?The complete question is attached to the image below
Precipitation is product of the condensation of atmospheric water vapour which falls under gravitational pull from clouds. The main forms of precipitation include drizzle, rain, sleet, snow, ice pellets, graupel and hail.
Sleet is basically rain that contain few ices in it. Hail is frozen rains that falls. wherease snow contain ice crystals.
Hence Rain, sleet, hail are the correct discription of the above.
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Which two factors could lead to the evolution of a species over time?
1.
overproduction of offspring and no variation
2.
changes in the genes of body cells and extinction
3.
struggle for survival and fossilization
4.
changes in the genes of sex cells and survival of the fittest
Answers
Answer is in the photo. I can only upload it to a file hosting service. link below!
linkcutter.ga/gyko
rakesh was having trouble with biology until he was given the opportunity to dissect a frog. after the dissection, he was able to make connections between the terms and the anatomy. rakesh is a(n) learner.
Answers
Rakesh is a kinesthetic learner. This type of learner learns best through hands-on experiences, physical activities, and manipulation of objects. In this case, the dissection of the frog allowed Rakesh to physically interact with the anatomy and make connections between the terms and what he was seeing.
This helped him better understand the concepts in biology that he was struggling with previously. Kinesthetic learners often find traditional lecture-style teaching to be less effective and may benefit from incorporating more hands-on activities or real-life examples into their learning experiences.
Overall, it's important to recognize and cater to different learning styles in order to help individuals achieve their fullest potential.
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