These are the four major modes of prokaryotic nutrition.
Photoautotrophs obtain their energy from the sun and their carbonsource from carbon dioxide which is use in photosynthesis to produce food.Photoheterotrophs get their energy source from sunlight and their carbon source from organic matter. They depend on photoautotrophs.Chemoautotrophs obtain their energy from Chemical compounds and Carbon from Carbon dioxide or related compoundsChemoheterotrophs also obtain their energy from Chemical compounds and carbon source from Organic compounds.What are prokaryotic?Prokaryotic are organisms that don't have nucleus or membrane bound organelles.
What is Nutrition?Nutrition refer to processes in which organism uses food to sustain life. It involve processes like anabolic and catabolic process gathering and breaking down of food particles.
Therefore, The four mode of prokaryotic nutrition are;
Photoautotrophs obtain their energy from the sun and their carbonsource from carbon dioxide which is use in photosynthesis to produce food.Photoheterotrophs get their energy source from sunlight and their carbon source from organic matter. They depend on photoautotrophs.Chemoautotrophs obtain their energy from Chemical compounds and Carbon from Carbon dioxide or related compoundsChemoheterotrophs also obtain their energy from Chemical compounds and carbon source from Organic compounds.Learn more on Prokaryotic mode of nutrition from the link below.
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which of the following is not a component of a nucleic acid?
sugar
peptide bond
base
phosphate group
During the process of polymerization, combine by sharing electrons. this process forms a , which is made of repeating subunits. the resulting material is used in a variety of ways.
During the process of polymerization, monomers combine by sharing electrons. This process forms a polymer, which is made of repeating subunits. The resulting material is used in a variety of ways.
The rate of frequency of repetition that lies within the range of human hearing that results in sound conveying a sense of pitch is:
A lichen is an organism that structurally appears to be a single organism. But a lichen is actually two different organisms—a fungus and green algae—living together as one organism. The fungal partner derives its nutrition from the photosynthesizing algae. How does a lichen differ in its photosynthetic activity from Elysia chlorotica, the sea slug that’s considered to be a photosynthesizing animal?
Lichens can photosynthesize only because of the living algal partner, while Elysia chlorotica incorporates chloroplasts from algae into its cells.
Lichens are a symbiotic association between a fungus and an algae or a cyanobacterium. The fungus benefits from the photosynthetic activity of the algae or cyanobacterium, while Elysia chlorotica, the sea slug, incorporates chloroplasts from algae to perform photosynthesis.
Explanation:Lichens are a symbiotic association between a fungus and an algae or a cyanobacterium. The fungus provides support and protection while the photosynthetic partner provides energy through photosynthesis. This relationship is considered to be a controlled parasitism, as the fungus benefits while the photosynthetic organism is harmed to some extent.
In contrast, Elysia chlorotica, the sea slug, is considered a photosynthesizing animal. It consumes algae and incorporates their chloroplasts into its own cells through a process called kleptoplasty. The slug then uses the chloroplasts to perform photosynthesis and produce its own energy.
What would happen if DNA didn't have a backbone?
A main sequence star becomes a ____ after it uses up the hydrogen in its core.
How are the different colors observed related to the electron structure of the atoms?
Every atom has one or more electrons surrounded its nucleus. The electron emits light after changing from a high energy state o to a lower energy state which is known as transition. The wavelength of this light is unique to each element because each atom of a particular element has a different transition energy. And since we humans perceive different wavelengths as different colors, all the colors are related to the electron structure of the atoms.
Geraldine suffered a stroke which left her with language impairment. she has good comprehension, but produces speech that contains mostly content morphemes such as "car," "book," and "cup," and lacks function morphemes such as "and," "but," and "the." geraldine most likely has damage to _____ of her brain.
In which stage of meiosis does the separation of homologous chromosomes occur?
Answer: Meiosis 1.
Explanation:
Which of the choices below is not a mechanism of heat production?
At a chiasma, two ________ are attached to each other.
During the course of muscle contraction the potential energy stored in atp is transferred to potential energy stored in _____.'
High levels of cytosolic atp would be expected to
The most important factor for regulating respiratory rate is
When bird chicks open their mouths, the mother bird immediately finds food and feeds them. The baby chicks’ response is an example of _____.
Bird chicks opening their mouths when the mother bird returns to the nest is an example of innate behavior called gaping, which helps them receive food and increases their chances of survival.
Explanation:The baby chicks' response of opening their mouths when the mother bird returns to the nest is an example of an innate behavior called gaping. Gaping is a reflex behavior in bird chicks, where they instinctively open their mouths wide to signal hunger and elicit a feeding response from the mother bird. This behavior helps ensure that the chicks receive food and increases their chances of survival.
In birds like the herring gulls and graylag geese, these behaviors are instinctual responses that have evolved to enhance fitness, by making sure the offspring receive enough food and care. Similarly, human newborns display reflex behaviors like the sucking reflex and grasp reflex that are vital for their survival.
Just like bird chicks, human babies exhibit these innate behaviors without having to learn them, which ensure they feed and stay close to their caregivers for protection and survival.
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The technique of severing the connections between the frontal lobe and the thalamus is called:
Which would most likely favor species survival in changing environmental conditions?
Answer:
genetic recombination
Explanation:
As a result of genetic recombination, the species integrity—an essential structure responsible for the preservation and improvement of ecological stability of animals in developing lineages—is continuously homogenized within the species.
What is genetic recombination?Genetic recombination is the splitting and reassembling of chromosomes or chromosome fragments to rearrange DNA sequences.
It also discusses how these rearrangements affect the offspring who inherit novel allele combinations because they have recombinant chromosomes.
Crossover can occasionally result in the production of novel chimeric alleles and causes kids to have gene combinations that are distinct from those of their parents.
Therefore, genetic recombination favor species survival in changing environmental conditions.
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Shape is the most important quality of a protein. what gives any protein its correct shape
Which intervals show f(x) increasing? Check all that apply.
[–2.5, –1.6)
[–2, –1]
(–1.6, 0]
[0, 0.8)
(0.8, 2)
The answer is just C and D if your using edgen
Answer:
The correct options are 3 and 4.
Explanation:
From the given graph it is clear that the turning points of the graph are (-1.6,-56), (0.8,11.4) and (2,0).
Using these points we can say that,
1. The given function increasing on [tex](-1.6,0.8),(2,\infty)[/tex].
2.The function is decreasing on [tex](-\infty,-1.6),(0.8,2)[/tex].
In interval [–2.5, –1.6), the function is decreasing.
In interval [–2, –1], first the function is decreases, after that the function increases.
In interval (–1.6, 0], the function is decreasing.
In interval [0, 0.8), the function is decreasing.
In interval (0.8, 2), the function is decreasing.
Therefore, the correct options are 3 and 4.
This is the process of combining two incomplete proteins to make a complete one.
a. mutual supplementation
b. protein stabilization
c. amino acid sequencing
What is activation energy?
the energy needed to get a reaction started
the energy stored in the bonds of a reaction’s enzyme
the energy absorbed by the bonds that form in a reaction
the heat energy given off by a reaction
Answer:The energy needed to get a reaction started.
Explanation:
Activation energy is the minimum amount of energy needed to initiate a chemical reaction. It's the force necessary to break initial bonds and allow a reaction between reactants, transformation into products. Therefore, option a. is the correct answer.
Activation energy is the energy required to initiate a chemical reaction and start the process of breaking and forming chemical bonds in reactant molecules to produce products. Here's an explanation of what activation energy is and how it works:
Energy Barrier: In any chemical reaction, reactant molecules must first overcome an energy barrier, known as the activation energy barrier, to transition from their initial state to the state where new chemical bonds are formed in the products.Breaking Bonds: Before new bonds can form in the products, the existing chemical bonds in the reactant molecules must be broken. Breaking these bonds requires energy because chemical bonds hold atoms together, and breaking them apart involves overcoming the electrostatic forces that hold the atoms together.Activation Energy: Activation energy is the minimum amount of energy needed for these initial bond-breaking processes to occur. It acts as a barrier that reactant molecules must surpass to proceed with the reaction.Facilitating Reaction: Enzymes and other catalysts play a crucial role in lowering the activation energy required for a reaction. They do so by providing an alternative reaction pathway that has a lower activation energy than the uncatalyzed reaction. This allows reactions to occur more readily and at lower temperatures in biological systems.Endothermic and Exothermic: Activation energy can vary depending on the specific reaction. For endothermic reactions (absorbing heat), activation energy represents the energy required to absorb heat and break bonds. For exothermic reactions (releasing heat), activation energy represents the energy needed to initiate the reaction and release heat during bond formation.In summary, activation energy is the energy "hurdle" that reactant molecules must overcome to initiate a chemical reaction. It represents the energy required to break existing bonds in reactants, allowing new bonds to form in the products. Catalysts, like enzymes, lower this energy barrier, making reactions more efficient and feasible under physiological conditions.
Therefore, option a. is the correct answer.
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The wall that separates the two lower chambers of the heart is called
How did the discovery of the rhesus factor affect society?
Answer:
New treatments during pregnancy could prevent harm to the developing child.
Explanation:
The Rh factor is inherited, meaning it is passed from parent to child through genes. The fetus can inherit the Rh factor from the father or the mother. Most people are Rh positive, meaning they have inherited the Rh factor from either their mother or father. If a fetus does not inherit the Rh factor from either the mother or father, then he or she is Rh negative. When a woman is Rh negative and her fetus is Rh positive, it is called Rh incompatibility.
When the blood of an Rh-positive fetus gets into the bloodstream of an Rh-negative woman, her body will recognize that the Rh-positive blood is not hers. Her body will try to destroy it by making anti-Rh antibodies. These antibodies can cross the placenta and attack the fetus’s blood cells. This can lead to serious health problems, even death, for a fetus or a newborn.
Thus the discovery helped society understand this.
Which type of protein in the plasma membrane has carbohydrate attached to it so that cells can be distinguished from one another?
Cell recognition protein in the plasma membrane that has carbohydrate attached to it.
What is cell recognition protein?Cell recognition proteins are glycoproteins that help to recognize pathogens. They can be found in red blood cells, white blood cells, platelets.
Carbohydrates play the role of identifying a site for recognition and then attaching to it. They can be found in the plasma membrane of plants and animals and are attached to proteins and lipids.
Therefore, Cell recognition protein in the plasma membrane that has carbohydrate attached to it.
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How does cellular respiration affect the rate of photosynthesis?
Explanation:
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As carbon dioxide (CO2) increases, the rate of photosynthesis increases. Photosynthesis consumes CO2 and then releases the O2 that will be used in cellular respiration. Cellular respiration consumes O2 to release CO2 that will be used in photosynthesis. And so the circle works.
In each of the offspring what percentage of the genetic material comes from the male parent
Each parent, including the male parent, contributes approximately 50% of their genetic material to their offspring. This is exemplified during the formation of sex chromosomes in a child, as well as through Mendelian genetic crosses where the distribution of alleles illustrates the probable genotypes of offspring.
In the context of classic Mendelian genetics, when considering the genetic material each parent contributes to their offspring, the male parent contributes approximately 50% of the genetic material to each of the offspring. This is because, during sexual reproduction, a male contributes one set of chromosomes through his sperm, while the female contributes the other set through her egg, each constituting half of the child's genetic makeup.
For example, if we consider the sex of a baby, a mother can only pass on an X chromosome while the father can pass on either an X or a Y chromosome. This determines the child's sex. In genetic crosses such as those studied by Mendel, the probabilities of offspring genotypes can be predicted using Punnett squares. In a cross of two heterozygous parents (Aa x Aa), for instance, there is a 25% chance of offspring being AA, 50% chance being Aa (as Aa and aA are the same genotype), and 25% chance being aa. These reflect the probabilistic distribution of inheriting each allele from the parents.
Proteins that minimize fluctuations in ph are known as
Proteins that minimize fluctuations in pH are known as buffers, and their action is essential for maintaining stable conditions crucial for biological processes. These proteins contribute to the body's pH regulation, preventing the denaturation of enzymes and other proteins necessary for proper function.
Proteins that minimize fluctuations in pH are known as buffers. These buffers help to prevent the pH of the body from getting too high or too low, maintaining a stable environment crucial for the function of various biological processes, including enzyme activity. Proteins have the ability to buffer pH because they can react with both strong acids and strong bases, therefore preventing large swings in the pH levels. The property is also related to the isoelectric point (pI) of proteins, which is the pH at which a protein carries no net charge. At this point, proteins are least soluble and may precipitate out of solution, which is useful in some protein isolation techniques. The isoelectric pH is used in isoelectric focusing to separate proteins based on their charge under different pH environments.
Moreover, proteins are sensitive to pH changes; they can denature or change their shape when exposed to different pH levels. The body regulates pH and temperature, but certain proteins, known as chaperone proteins, assist with refolding proteins back into the correct shape if denaturation occurs. This highlights the necessity for regulating pH levels within biological systems to maintain protein stability, especially important in pharmaceutical applications where bacteria are used to produce proteins and are sensitive to pH variations.
Which best describes the diagnosis replaced by the new dsm-5 diagnosis of asd?
The old DSM-IV diagnoses of Autistic Disorder, Asperger's Disorder, Childhood Disintegrative Disorder, and Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS) have been replaced by the new DSM-5 diagnostic of Autism Spectrum Disorder (ASD).
The most severe of the four diagnoses, autism disorder was defined by the DSM-IV as having confined and repetitive behaviours as well as major deficits in communication, social interaction, and behaviour. The diagnostic of ASD in the new DSM-5 is far more inclusive than the Autistic Disorder diagnosis was.
It is a spectrum condition that affects people with a variety of symptom severity levels, ranging from slightly to seriously impacted. ASD is defined by the DSM-5 criteria as having limitations in social interaction, social communication, and limited and repetitive behaviours.
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? is removed from inhaled air by the ?
How does the structure of the chloroplast relate to its function?