Which food group contains all of the essential amino acids? Is the only group that contains essential amino acids? Explain your answer.
Answers
Complete proteins are foods that include all nine of the required amino acids. These foods include quinoa, buckwheat, dairy, soy, fish, poultry, and eggs.
Which of the following groups includes each significant amino acid?The body is unable to synthesise a necessary amino acid on its own. You can only get these amino acids from diet.
What cuisine offers the best protein and all the necessary amino acids?Essential amino acids are present in variable levels in various diets. In general: Because they include all necessary amino acids, animal products (such chicken, cattle, or fish and dairy products) are referred to be "complete" proteins.
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Prairie dogs are small mammals that live in large colonies in underground burrows. Prairie dogs that are near their own kin are more likely to make a warning bark when predators are near than when they are near unrelated colony members. Prairie dogs that hear the warning are more likely to hide in their burrows than those who do not hear the warning. However, the animal giving the warning bark is more likely to be spotted and killed by the predator. Which of the following represents the evolutionary explanation for this behavior? a. The barking prairie dog chooses to warn others so that more prairie dogs can live above ground b. The warning bark changes the behavior of related prairie dogs nearby allowing the prairie dog's family to have a better chance of survival and reproduction. c. The barking prairie dog does not want to give an advantage to its closer relatives d. An individual who does not bark will ensure its own survival
Answers
Prairie dogs' warning barks are a complex example of altruistic behavior, where an individual risks their own safety to warn others of danger. The evolutionary explanation for this behavior is that it benefits the survival and reproduction of the individual's kin, who share a large percentage of their genetic material. Therefore, the correct answer to the question is b.
By warning related prairie dogs, the barking individual is increasing the chances of their kin's survival and therefore the transmission of their shared genes. This is the reason why prairie dogs are more likely to make a warning bark when predators are near related colony members than unrelated ones. While the warning barking prairie dog puts itself at risk, the benefits to its kin outweigh the costs, as more individuals are likely to survive and reproduce. Therefore, the correct answer to the question is b. The warning bark changes the behavior of related prairie dogs nearby, allowing the prairie dog's family to have a better chance of survival and reproduction.
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Which must happen first in order for the body to use the fuel energy stored in food?
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How do you think genomics and genetic engineering will contribute to the development of more productive food crops and what ecological implications should be considered? Be sure to include examples of existing and future GMOs that are contributing to the debate. What are the main criticisms of the Green revolution, and how can we mitigate some of the negative aspects? Cite your work
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Answer:
The importance of optimal nutrition for human health and development is well recognised. Adverse environmental conditions, such as drought, flooding, extreme heat and so on, affect crop yields more than pests and diseases. Thus, a major goal of plant scientists is to find ways to maintain high productivity under stress as well as developing crops with enhanced nutritional value. Genetically-modified (GM) crops can prove to be powerful complements to those produced by conventional methods for meeting the worldwide demand for quality foods. Crops developed by genetic engineering can not only be used to enhance yields and nutritional quality but also for increased tolerance to various biotic and abiotic stresses. Although there have been some expressions of concern about biosafety and health hazards associated with GM crops, there is no reason to hesitate in consuming genetically-engineered food crops that have been thoughtfully developed and carefully tested. Integration of modern biotechnology, with conventional agricultural practices in a sustainable manner, can fulfil the goal of attaining food security for present as well as future generations.
Explanation:
In the signal cascade triggered by epinephrine within liver cells, glycogen synthase is
Answers
Glycogen synthase is inactivated and doesn't create glycogen in the signaling cascade that epinephrine initiates within liver cells.Epinephrine causes a signal cascade in liver cells that activates glycogen phosphorylase and releases glucose.
Which biological response in liver cells is brought on by epinephrine?Epinephrine activation of the cAMP pathway stimulates glycogen breakdown and limits glycogen synthesis in the liver and muscle, but not in adipose tissue.
Epinephrine is a kind of cell signaling, right?Epinephrine uses a particular kind of cell signaling called endocrine signaling.A ductless gland secretes a hormone into the blood directly, which is a type of cell signaling known as endocrine signaling.The hormone is then carried to its intended places by the circulation.
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Please help with this it is carbon cycle
Answers
Answer:
1.H
2.E
3.D
4.A
5.F.....................
reaction norm for a trait for which there is genetic variation but no phenotypic plasticity
Answers
The reaction norm is the range of possible phenotypic expressions of a given genotype in different environments. For traits with genetic variation but no phenotypic plasticity, the reaction norm will be a straight line from one point to another, which represents the range of phenotypes that can be observed in different environments.
For example, let's say we have a population of plants with genetic variation in height, but no phenotypic plasticity. In this case, the reaction norm would be a straight line from the minimum possible height to the maximum possible height for that population. This means that the range of heights that can be observed in different environments is determined solely by genetic variation and not influenced by the environment.
Furthermore, the reaction norm for traits with genetic variation but no phenotypic plasticity will be the same for all genotypes because there is no interaction between genes and the environment. Therefore, the reaction norm will not change depending on the genotype of the individual.
In summary, for a trait with genetic variation but no phenotypic plasticity, the reaction norm will be a straight line representing the range of phenotypic expression that can be observed in different environments. The reaction norm will be the same for all genotypes because there is no interaction between genes and the environment.
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Which refers to the addition of a repeat segment of a chromosome? (A) translocation (B) inversion (C) duplication (D) deletion.
Answers
Duplication refers to the addition of a repeat segment of a chromosome. The correct answer is (C) duplication.
It is a type of structural variation in the genome where a segment of DNA is copied or replicated, resulting in an extra copy of that segment within the same chromosome.
During duplication events, a portion of the chromosome is duplicated, leading to the presence of additional genetic material. This can result from errors during DNA replication, recombination events, or other genetic mechanisms. The duplicated segment can be of varying sizes, ranging from small sections to entire genes or larger chromosomal regions.
Duplication can have significant implications for genetic diversity, evolution, and disease. Depending on the size and location of the duplication, it can affect gene dosage, disrupt normal gene regulation, or create opportunities for the emergence of novel genes or gene functions.
Translocation refers to the movement of a chromosome segment to a different chromosome. It involves the transfer of genetic material between two non-homologous chromosomes. Inversion, on the other hand, is the rearrangement of a chromosome segment where it is flipped in orientation. Hence option c) is the answer.
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help will give brainlist
Answers
Answer:
Its B or C but im pretty sure its C
Answer:
d. ...............
Regulatory proteins that prevent a cell from entering the s phase under conditions of dna damage are also known as _____.
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Answer:
tumor suppressors
Explanation:
what molecule makes the trunk of a tree sturdy
Answers
Answer:
Cellulose
Explanation:
trunk is the main axis of a tree that supports the branches and is supported by roots. Cellulose makes it sturdy. Cellulose is the main substance in the walls of plant cells, helping them to remain stiff and upright.
Answer:
Cellulose, that is the molecule that makes a tree sturdy.
Explanation:
What factors influence the survival of Kangaroos in its natural habitat?
Answers
Answer:
Kangaroos from desert and semi-arid environments have adapted to drier conditions and have several features that help them deal with the lack of water. Kangaroos need very little water to survive. Kangaroos hop over large distances to find food and water. Hopping is a fast, energy efficient way to travel. Kangaroos need very little water to survive and are capable of going for months without drinking at all. The kangaroo usually rests in the shade during the day and comes out to eat in the late afternoon and night when its much cooler. It eats mostly grass. It needs very little water to survive.
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which of the following is true of mitosis? the result is gamete formation. there are two cell divisions before the process is complete. the process requires only one cell division to be complete. does not require dna to replicate.
Answers
Out of the given options, the statement that is true of mitosis is that the process requires only one cell division to be complete.
Mitosis is a type of cell division that occurs in somatic cells (body cells) to produce two identical daughter cells that are genetically identical to the parent cell. Mitosis results in the production of cells that are diploid, meaning that they have the same number of chromosomes as the parent cell.
Gametes are sex cells that are produced by meiosis. These cells are haploid, which means they only contain half the number of chromosomes as the parent cell. During fertilization, the male and female gametes combine to form a zygote with a complete set of chromosomes.Therefore, option C, the process requires only one cell division to be complete, is the correct answer. Mitosis does not result in gamete formation and requires only one cell division. Additionally, DNA replication is an important step in the process of mitosis, so option D is also incorrect.
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The students are studying for an exam in pharmacology. They know several local anesthetics have been covered along with other forms. Which medication can they anticipate as being local anethetics on the exam?
a) marcaine
b) xylocaine
c) novocain
Answers
Answer:
These are all examples of local anaesthetics a) marcaine(Bupivacaine) b) xylocaine(lidocaine) c) novocain(procaine) are all examples of local anaesthesia
Explanation:
Generally local anaesthetic are drugs used in clinical anaesthesia to block or suppress the sensation of pain at the specific region or part of the body where it was applied.The effect of the application depends on the dose applied and the period of application.
The work by inhibiting transmission of action potential as nerve transmission,through blocking of sodium channels. Thus depolarization is prevented,and nervous transmission to the brain (and therefore pain) is suppressed
Generally pain transmission fibres are blocked first,motor sensation are lost afterwards ,therefore touch sensation and pressure are the last to be lost by the local region.
They are classified into Amide or ester group based on the chemical structures.The examples in the question are amides.
Subcutaneous or epidural administrations can be used to apply
why does exposure to toxins have more devasating neural effects druing earlt pregnanct rhan in late pregnanct
Answers
Exposure to toxins during early pregnancy can have more devastating neural effects compared to exposure during late pregnancy due to the critical developmental stages of the fetal brain that occur during this time.
During the first trimester of pregnancy, the fetal brain undergoes critical periods of neural development, including the formation of neural tube and the migration of neurons to their final locations. These stages are particularly sensitive to external factors such as toxins, which can interfere with the normal development of the fetal brain and lead to permanent damage.
In contrast, during the later stages of pregnancy, the fetal brain is already formed, and the major structures and connections have been established. While some growth and development still occur during the later stages of pregnancy, the fetal brain is less vulnerable to external factors at this time. Therefore, exposure to toxins during early pregnancy can have more severe effects on the developing brain compared to exposure during late pregnancy.
Furthermore, early exposure to toxins can lead to a wide range of developmental disorders, including cognitive and behavioral deficits, neurodevelopmental disorders, and birth defects, while exposure during later pregnancy may result in more subtle effects, such as alterations in brain function and structure.
Overall, the timing of toxin exposure during pregnancy is a critical factor that can affect the development of the fetal brain and result in different levels of severity in neural effects.
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What are some primary goals of antimicrobial treatment?
Answers
The primary goals of antimicrobial treatment are to eliminate or control the microbial infection, prevent the infection to other parts of the body or to other individuals, & reduce the likelihood of developing complications from the infection.
When administering antimicrobial treatment, healthcare providers aim to target the specific type of microbe causing the infection while avoiding harm to the patient's healthy cells. This is crucial in preventing the development of drug-resistant strains of microbes. Additionally, antimicrobial treatment aims to reduce the symptoms associated with the infection, such as fever, pain, and inflammation. This not only improves the patient's comfort, but it can also improve their overall health outcomes by allowing them to rest and recover more easily.
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The Constitution USA episode on federalism argues that the distribution of powers between the federal government and the states needs to be settled once and for all. True False
Answers
False. The Constitution USA episode on federalism actually argues that the distribution of powers between the federal government and the states is an ongoing debate that is never fully settled.
The episode highlights the tension and conflict that arises when the federal government and state governments have different views on how to exercise their respective powers. It also discusses the various ways in which the balance of power has shifted over time, such as through Supreme Court decisions and amendments to the Constitution. Ultimately, the episode suggests that federalism is a dynamic concept that requires ongoing negotiation and compromise between the federal government and the states, rather than a fixed set of rules that can be settled once and for all. The Constitution USA episode on federalism actually argues that the distribution of powers between the federal government and the states is an ongoing debate that is never fully settled.
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This very important component of the heart's conduction system is located in the posterior wall of the right atrium, near the entrance of the superior vena cava:
Answers
The sinoatrial node is very important component of the heart's conduction system that situated close to the site of superior vena cava connection on the posterior wall of the right atrium (SA node). The SA node, which is made up of autorhythmic cells, acts as the heart's "pacemaker" by producing the action potentials that cause contraction to begin.
What is sinoatrial node or important component of the heart's conduction system?The SA node, which is made up of autorhythmic cells, acts as the heart's "pacemaker" by producing the action potentials that cause contraction to begin. Bachman's bundle, a unique band of swiftly conducting tissue that quickly transmits the action potential to the left atrium, is hypothesised to help the two atria contract concurrently.
The atrioventricular node (AV node), which is situated in the right atrium's floor close to the interatrial septum, senses the action potential. The internodal pathways are once again specialised conduction routes that swiftly transfer the action potentials from the SA node to the AV node. The action potential is then "delayed" by the AV node for around 0.15 seconds, enabling the atria to contract before the ventricles.
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Plz help fast will give 5 star
Answers
What occurs during a decomposition reaction?
New compounds are formed by chemical bonding
The components of several molecules recombine to form new molecules,
A compound partitions into its components,
Answers
Answer:
A compound partitions into its components,
Explanation:
Decomposition reaction is a type of chemical reaction occur when compounds partition of breakdown into new components or elements.
An example is the decomposition of hydrogen peroxide. Hydrogen peroxide decomposed to water and oxygen. Another example is the decomposition or breakdown of water into hydrogen and oxygen.
Answer:
A compound partitions into its components
Explanation:
Researchers discover a plant that does not need sunlight for growth. They isolate a unique compound found in the plant's roots. The compound breaks down into amino acids and functions to break down organic matter into food for the plant. What type of compound did the researchers discover?
a . biological catalyst
b. carbohydrate
c . antibody
d .nucleic acid
Answers
If the new compound breaks down into amino acids and functions to break down organic matter into food for the plant, then the researchers discovered a biological catalyst.
What is an enzyme?An enzyme can be defined as a special type of biological catalyst that helps to speed up the rate of a given chemical reaction.
Enzymes are proteins that can be considered as the main class of biological catalysts, but there are also other biological catalysts called ribozymes which are specifically composed of nucleic acids, i.e., RNA-based catalysts.
In conclusion, if the new compound breaks down into amino acids and functions to break down organic matter into food for the plant, then the researchers discovered a biological catalyst.
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1/. In the________(LYTIC PATHWAY / LYSOGENIC PATHWAY) of bacteriophages, the virus initiates its replication process and eventually produces enough viral particles to cause its host cell to burst. In the _________(LYSOGENIC PATHWAY/ LYTIC PATHWAY) of bacteriophages, viral DNA is integrated into the host's chromosome and replicates with the host until the integrated DNA is reactivated and viral particle replication initiates.
2/. Of the protists, cells of a________(unicellular organism / multicellular organism / colonial organism) live together and behave together in an integrated fashion, but remain self-sufficient. In comparison, the cells of a________(unicellular organism / multicellular organism / colonial organism) have a division of labor and rely on one another for survival.
3/. Binary fission is a prokaryotic mechanism of ______(sexual / asexual) reproduction that yields two equal-sized,_________(genetically distinct / genetically identical) descendant cells.
4/. The experiments of Stanley Miller and Harold Urey tested whether ________(heat / LIGHT / electricity ) could trigger the formation of simple organic compounds from _________(a mixture of gases mimicking the modern Earth atmosphere / a mixture of complex organic compounds / a mixture of gases mimicking the early Earth atmosphere)
Answers
In the LYTIC PATHWAY of bacteriophages, the virus initiates its replication process and eventually produces enough viral particles to cause its host cell to burst.
In the LYSOGENIC PATHWAY of bacteriophages, viral DNA is integrated into the host's chromosome and replicates with the host until the integrated DNA is reactivated and viral particle replication initiates.
Of the protists, cells of a COLONIAL ORGANISM live together and behave together in an integrated fashion, but remain self-sufficient. In comparison, the cells of a MULTICELLULAR ORGANISM have a division of labor and rely on one another for survival.
Binary fission is a prokaryotic mechanism of ASEXUAL reproduction that yields two equal-sized, GENETICALLY IDENTICAL descendant cells.
The experiments of Stanley Miller and Harold Urey tested whether ELECTRICITY could trigger the formation of simple organic compounds from A MIXTURE OF GASES MIMICKING THE EARLY EARTH ATMOSPHERE.
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Can you please tell me an explanation of what happens during the metaphase stage of mitosis?
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Please dont copy and paste
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Which is required
for both
anaerobic respiration and aerobic respiration?
•oxygen
• water
• mitochondria
• glucose
Answers
Answer:
Water, mitochondria, and glucose are all required for both anaerobic respiration and aerobic respiration.
Answer: glucose
Explanation: TOOK TEST the others are wrong --
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Light energy is converted into chemical energy or food in the?
A. folds of the mitochondria of plant and animal cells
B. nuclei of plant and animal cells
C. ribosomes of animal cells
D. chloroplasts of plant cells
E. both a and c
PLSS HELP ASAP!!
Answers
Which letter best represents wavelength
D.
B.
C.
A.
Answers
12. Which area of deep ocean research provides the most economic
benefit?
a sea-floor spreading
b. oil resource
C.new habitats
d hydropower
Answers
Answer: Oil resources
Explanation:hope this helps and happy early hallowen :D
Maltose is hydrolyzed by the enzyme maltase into two molecules of glucose. Maltose is classified as a ___.
Answers
Answer:
Disaccharide
Explanation:
Monosaccharides include
~Glucose
~Galactose
~Fructose
Disaccharides include
~Maltose
~Sucrose
~Lactose
Polysaccharides include
~Cellulose. ~Chitin
~Glycogen
~Starch
what is the general mechanism of an enzyme? a) it acts by reducing the activation energy b) it acts by increasing the activation energy c) it acts by decreasing the ph d) it acts by increasing the ph
Answers
The general mechanism of an enzyme involves reducing the activation energy needed for a reaction to occur. This is accomplished by binding to the substrate and altering its chemical bonds, making it easier for the reaction to proceed. Enzymes do not act by increasing the activation energy or by affecting the pH, although they can have optimal pH ranges for their activity.
pH is a measure of the acidity or basicity of a solution, and is widely used in chemistry, biology, and agronomy [2]. The term pH stands for "potential of hydrogen" or "power of hydrogen" and historically denoted the concentration of hydrogen ions in a solution [1]. The pH scale ranges from 0 to 14, with 7 being neutral, values below 7 indicating increasing acidity, and values above 7 indicating increasing alkalinity. Each unit of change on the pH scale represents a tenfold change in acidity or alkalinity
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Which type of molecule makes up the double layer of a cell membrane?
A)carbohydrate
B)lipid
C)nucleic acid
-D)protein
Answers
Answer:
B. Lipid
Lipids are molecules that include fats, waxes, and some vitamins, among others. Each phospholipid is made up of two fatty acids, a phosphate group, and a glycerol molecule. When many phospholipids line up, they form a double layer that is characteristic of all cell membranes.
Answer:
b. lipid
Explanation:
The phosphor lipid of cell membrane are arranged which are called lipit bilayer.
I really need help on this
Answers
Answer:
all have Aa
Explanation:
since it's the first generation