Cell respiration occurs in

Cell respiration occurs in

animals only.

plants only.

heterotrophs only.

all eukaryotes.

In a population, 12 Students must complete their eval for the p allele to become fixed.

To determine how many more students must complete their evaluation for the p allele to become fixed, we need to calculate the frequency of the p allele in the current population. We can do this using the formula:

p = number of p alleles / total number of alleles

Since we are dealing with a diploid organism, each individual has two alleles, so the total number of alleles in the population is 26 (13 students x 2 alleles per student). If p = 0.146, then the number of p alleles in the population is:

number of p alleles = p x total number of alleles

number of p alleles = 0.146 x 26

number of p alleles = 3.796

We can't have a fraction of an allele, so we round up to 4 p alleles in the population. To calculate how many more students must complete their evaluation for the p allele to become fixed, we need to consider that fixation occurs when the frequency of one allele is 1 (or 100%). Since there are only two alleles in this population (let's call the other allele q), the frequency of q is:

q = 1 - p

q = 1 - 0.146

q = 0.854

So, if the p allele is to become fixed, all individuals in the population must have the p allele. Currently, there are 4 p alleles in the population, which means there are 22 q alleles (since there are 26 total alleles). Each student has two alleles, so there are still 11 students whose allele frequencies are unknown. To calculate how many more students must have the p allele for it to become fixed, we need to calculate the number of q alleles that remain:

number of q alleles = q x total number of alleles

number of q alleles = 0.854 x 26

number of q alleles = 22.204

Again, we can't have a fraction of an allele, so we round up to 23 q alleles. This means that at least 12 students (since each student has two alleles) must have the p allele for it to become fixed, which will result in a p frequency of 1 (or 100%) and a q frequency of 0.

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You probably will consume carrageenan today and, if you haven't already, nori at some point in the future. You will be consuming a red algae product in any scenario.

'What is Red algae?'

Red algae are crucial for the environment. They are an essential link in the food chain and contribute between 40 and 60 percent of the world's oxygen supply, which is used in both terrestrial and other aquatic settings. Here are a few examples of red algae's ecological and commercial value.

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Only once bacteria come into touch with carbapenems do they develop resistance. This bacterial drug resistance is an illustration of how non-resistant bacteria can mutate into resistant strains.

The original "carbapenem," thienamycin, would become the parent or model compound for all subsequent carbapenems. Recent research demonstrates unequivocally that carbapenem resistance is growing globally. In particular when porin losses occur, excessive synthesis of weak carbapenemases as CMY-10 and PDC Beta-lactamases might result in carbapenem resistance. Gram-positive bacteria develop resistance to carbapenems and other beta-lactam antibiotics through mutation-derived modifications to their PBPs, whereas Gram-negative bacteria frequently enlist the help of additional defense mechanisms to combat the effects of these drugs.

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Independent variables is acidity, pH,  Dependent variables respond on any change in the independent is the solubility.  Confusing variables can influence the results if not controlled include temperature, pressure, surface contact.

Independent variable Refers to all the variables is that provoke a response in another variable, the scientist changes it on purpose to observe the response of the dependent variable.

Dependent variable  Refers to the variable response depends on any change in the independent variable. The response might be inversely proportional to the change in the manipulated variable.

The independent variable is acidity, Solubility is the dependent variable, which responds to the acidity of the solvent.

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Answer:

The correct order in which body structures would respond to changes in environmental conditions such as temperature is:

cell, tissue, organ, organ system, organism

The response to environmental changes typically begins at the cellular level, where individual cells detect and react to the changes. These cells then work together to form tissues, which collectively respond to the environmental stimuli. Organs, composed of different tissues, coordinate their activities to produce a response. Organs within an organ system work together to carry out specific functions related to the environmental change. Finally, the overall organism as a whole responds and adapts to the changes in its environment.

Explanation:

Answer:

Microplastics are abundant and widespread in the marine environment. They are a contaminant of global environmental and economic concern. Due to their small size a wide range of marine species, including zooplankton can ingest them. Research has shown that microplastics are readily ingested by several zooplankton taxa, with associated negative impacts on biological processes. Zooplankton is a crucial food source for many secondary consumers, consequently this represents a route whereby microplastic could enter the food web and transfer up the trophic levels. In this review we aim to: 1) evaluate the current knowledge base regarding microplastic ingestion by zooplankton in both the laboratory and the field; and 2) summarise the factors which contribute to the bioavailability of microplastics to zooplankton. Current literature shows that microplastic ingestion has been recorded in 39 zooplankton species from 28 taxonomic orders including holo- and meroplanktonic species. The majority of studies occurred under laboratory conditions and negative effects were reported in ten studies (45%) demonstrating effects on feeding behaviour, growth, development, reproduction and lifespan. In contrast, three studies (14%) reported no negative effects from microplastic ingestion. Several physical and biological factors can influence the bioavailability of microplastics to zooplankton, such as size, shape, age and abundance. We identified that microplastics used in experiments are often different to those quantified in the marine environment, particularly in terms of concentration, shape, type and age. We therefore suggest that future research should include microplastics that are more representative of those found in the marine environment at relevant concentrations. Additionally, investigating the effects of microplastic ingestion on a broader range of zooplankton species and life stages, will help to answer key knowledge gaps regarding the effect of microplastic on recruitment, species populations and ultimately broader economic consequences such as impacts on shell- and finfish stocks.

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A terrestrial ecosystem is a population of land-based species and the relationships between biotic and abiotic elements in a specific space. The tundra, taigas, temperate deciduous woods, tropical rainforests, grasslands, and deserts are a few examples of terrestrial ecosystems. A location's temperature range, average annual precipitation, soil type, and amount of light all affect the sort of terrestrial ecosystem that can be found there.

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Different links show relationships between two species. In the scientific world, there are three types of links, including mutualism, parasitism, and commensalism.

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The third trophic level is made up of prairie dogs that get their matter and energy from the grasses (option d).

The energy pyramid depicted in the image illustrates the flow of energy through an ecosystem. In an energy pyramid, each level represents a trophic level, indicating the position of organisms in a food chain. The pyramid narrows as it ascends, indicating the decrease in available energy at higher trophic levels.

In this specific pyramid, the lowest trophic level is occupied by the grass. This makes sense because grass is a producer that captures energy from the sun through photosynthesis. As a result, it possesses the most energy within the ecosystem.

Moving up the pyramid, the second trophic level is occupied by the prairie dogs. They are herbivores that primarily consume grass for their energy needs. This demonstrates that the prairie dogs acquire their matter and energy from the grasses, supporting option D.

The third trophic level contains the coyotes, which are tertiary consumers. Tertiary consumers feed on other consumers, not producers. Therefore, option A is incorrect since vultures, not coyotes, are tertiary consumers in this ecosystem.

Option B is also incorrect because the coyotes do not obtain their energy from other coyotes located in the third trophic level. They acquire their energy indirectly from the grasses through the prairie dogs.

Finally, option C is incorrect as it states that the grasses' trophic level has the most energy. While the grasses are indeed the primary producers and possess the most energy, not all of that energy moves to the second trophic level.

Thus, the correct statement supported by the ecological pyramid is option D: The third trophic level is made up of prairie dogs that get their matter and energy from the grasses.

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Answer: The biggest threat to biodiversity to date has been the way humans have reshaped natural habitats to make way for farmland, or to obtain natural resources, but as climate change worsens it will have a growing impact on ecosystems.

Explanation: hope it helps!

Answer:

hypertrophic cardiomyopathy (HCM) is a condition where the heart muscle becomes thickened. Although HCM is a relatively rare heart disease

Explanation:

The activation energy of the reaction without an enzyme is represented as X.

Activation energy of a reaction is the minimum energy that reactant molecules must possess in order to effectively collide to form products,

The activation energy of a reaction depends on the bond energies of the reactants.

Given an energy profile diagram, the activation energy is represented as EA.

In the diagram, the activation of the reaction without an enzyme is X because it the activation energy of an uncatalyzed reaction is greater than the activation energy of a catalyzed reaction.

In conclusion, activation energy is greater for an uncatalyzed reaction.

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Folding and faulting are similar in that they both involve the deformation of rock layers in response to stress and difference between folding and faulting is the nature of the deformation.

Folding and faulting are the two processes that occur in the Earth's crust due to tectonic forces. They are similar in that they both involve deformation of rock layers in response to stress, and they can both result in the formation of mountains and other topographic features.

The main difference between folding and faulting is the nature of  deformation. Folding occurs when rock layers are bent or curved without breaking. This can result in the formation of large-scale folds, such as synclines and anticlines, which are characterized by downward and upward curves, respectively.

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Answer:

Bonded to meteorites that hit the Earth

Explanation:

The origin of water on Earth is being linked to the existence of very old meteorites that have been found on Earth. The "Carbonaceous chondrites," which are meteorites, have a similar content to that of seawater. Its isotope levels for hydrogen and nitrogen are similar with Earth's seawater. They're believed to have come from the outer asteroid belt and later on delivered water to Earth after collision.

Answer: cell wall, chloroplasts, plastids, and a central vacuole

Explanation:

Answer:

Vacuole

cell wall

chloroplast : photosynthesis

Answer:

It's because an organism's phenotype, or physical traits, are what truly decide whether it can reproduce and pass on its genotype to the following generation.

Because the phenotype of an organism represents the alleles that are actually expressed in that organism, natural selection affects that phenotype.

Explanation:

Answer:

identify the variables

Explanation:

control:type of lemon used

dependent:whether apple slice turns brown at pH>2

independent:pH value

Answer:

The correct answer is a) 48.16 grams of HCl will be produced, b) mass of chlorine consumed is 206 grams.

Explanation:

a) The reaction given is:

K₂S₂O₃ + 4Cl₂ + 5H₂O ⇒ 2KHSO₄ + 8HCl

Based on the given information, the mass of KHSO4 is 45 grams. The moles of KHSO4 can be determined by using the formula,  

Moles = given mass/Molar mass

= 45/136.16

= 0.33 Moles of KHSO₄

From the reaction it can be seen that when 2 moles of KHSO₄ is produced, 8 moles of HCl is also produced. Therefore,  

2 moles of KHSO₄ = 8 moles of HCl

So, moles of HCl will be,  

Moles of HCl = 8 × 0.33/2

= 1.321 moles

Now the mass of HCl is,  

Mass of HCl = Moles of HCl × Molar mass of HCl

= 1.321 × 36.46

= 48.16 grams of HCl

b) It is known that 1 mole is equal to 6.023 × 10²³ molecules

In the given case, the molecules of water is given, that is, 2.20 * 10²⁴ molecules. Now let us consider that the moles of water is x.  

x mole of water = 2.20 × 10²⁴ /6.022 × 10²³

= 3.653 mole of H2O

From the reaction given, it can be seen that when 5 moles of water are consumed, 4 moles of chlorine are consumed.  

5 moles of water = 4 moles of chlorine

3.653 moles H₂O = x moles of Cl₂

Moles of Cl₂ = 4 × 3.653 /5  

= 2.906 moles Cl₂

Now the mass of Cl₂ determined as,  

Mass of Cl₂ = moles of Cl₂ × Molar mass of Cl₂

= 2.906 × 70.9

= 206 grams

Methionine (AUG)Amino acids can be abbreviated using the first three letters of their name.

Methionine can be abbreviated as Met.

The given RNA sequence is AUGUAACGAUGCGUCGUGGCAUCAUGCUGCGUCAGCGGCGAGUCUGACCCGUCUCUAACAGGACGGCCGGGCGUUGUCGUUGA.

We can use the codon chart to determine the amino acid sequence.

The codon chart is used to determine which amino acid is coded by a particular codon in a strand of DNA/RNA.A codon is a sequence of three nucleotides in DNA or RNA that encodes for a specific amino acid.

Each codon codes for a different amino acid.

For example, the codon AUG codes for the amino acid methionine.

To determine the amino acid sequence, we start reading the RNA strand from the start codon AUG and continue reading until we reach a stop codon (UGA, UAA, or UAG).

Then we write down the amino acid sequence for the codons we read, using the codon chart.

Here, the sequence starts with AUG, which codes for methionine.

After that, the next codon is UAA which is a stop codon, so we can stop.

The amino acid sequence is therefore Methionine. So, the answer would be Methionine (Met).

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Answer:

Momentum.

Explanation:

Answer:

- Obligate anaerobes: B

- Facultative anaerobes: A

- Aerotolerant anaerobes: D

- Obligate aerobes: C

Explanation:

Obligate anaerobes are microorganisms that dead in normal atmospheric oxygen (O2) levels (around 21%). Some examples of obligate anaerobes are procaryotic bacteria such as Clostridium, Fusobacterium, Actinomyces and Peptostreptococcus.  Facultative anaerobes are organisms that can grow without O2 and produce energy by fermentation, but they can produce more energy (ATP) by the aerobic respiration mechanism. Facultative anaerobes include both prokaryotic (e.g., Escherichia coli) and eukaryotic (e.g., Saccharomyces cerevisiae) organisms. Aerotolerant anaerobes are microorganisms that can live in O2 atmospheric conditions, but they use fermentation as cellular mechanism to produce energy (ATP). Some examples of aerotolerant anaerobes are lactobacilli and streptococci (bacteria) found in the oral microbiota. Finally, obligate aerobes are organisms that can grow only in normal O2 conditions and metabolize foods through cellular respiration, a process more energetically efficient than fermentation. An example of an obligate aerobe is the human species.

In a pedigree, family information is displayed in a chart that is simple to read.

The term "family tree" might be used to describe it. Squares and circles are the conventional symbols used in pedigrees to denote males and females, respectively.

The building of a pedigree is a family history, and when memories fade, information about a previous generation may be hazy.

In terms of genetics, a pedigree is a diagram that shows how a trait or medical condition is passed down through a family's generations. When information is available, the pedigree specifically demonstrates the ties between family members and identifies which relatives possess the desired trait(s).

Therefore, In a pedigree, family information is displayed in a chart that is simple to read.

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Answer:

A good soil for nurseries is the correct mixture of sand, clay and organic matter. Top soil from a forest is usually a good soil. To see if a soil is good try and roll it into a pencil sized roll. (The soil should be damp but not wet.)

Explanation:

Based on the information given, the reaction C->D is endergonic.

Endergonic reactions are chemical reactions that are driven by energy. In other words, they are reactions that consume energy in order to take place. This energy is usually in the form of heat.

Endergonic reactions are unique from exergonic reactions. The latter does not consume energy in order to take place, rather they release energy. Similar to endergonic reactions, the energy is also usually released in the form of heat.

The reaction: ATP -> ADP is known as ATP hydrolysis. When it happens, the energy in one of the phosphate groups in ATP is released. This energy is utilized to drive reactions that require energy.

Thus, if C->D requires that an ATP molecule is hydrolyzed, it means the reaction requires energy. The energy released from the hydrolysis of ATP is what is used to drive the reaction.

Thus, C->D is an endergonic reaction.

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Answer:

densest, least densest

Explanation:

Answer:

densest; least dense is ur answer!

Hope this helped. K-12

Answer:

Protein phosphorylation can activate/deactivate protein function, while small RNAs can be used for repressing translation of mRNAs through the RNA interference (RNAi) pathway

Explanation:

Protein phosphorylation is one of the most important posttranslational modifications (PTMs) that acts to activate, inhibit, or reversibly switch on/off protein function. Protein phosphorylation confers a reversible and versatile process that cells use to transmit signals and respond to environmental stimuli. This PTM is well known to modify the tertiary structure of the protein and thus activate/inhibit protein functions such as, for example, signaling pathways associated with protein interactions. In consequence, protein phosphorylation can be used by a cell to regulate Brec activity. On the other hand, small non-coding RNAs (ncRNAs) such as, for example, microRNAs (miRNAs), small interfering RNAs (siRNAs), and PIWI-interacting RNAs (piRNAs), are regulatory molecules that bind by complementary base pairing to messenger RNAs (mRNAs) in order to repress translation and/or trigger mRNA degradation through the RNA interference (RNAi) pathway. The RNAi pathway is widely used in molecular biology to silence genes of interest (for example, in this case, the gene that encodes for the kinase D protein).

1. Adding the phosphate group to the amino acid chains is known as phosphorylation. This attachment affects the tertiary arrangement and function of Brec.

2. Small RNA's are RNA fragments which is around 150 nucleotide in length.

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Answer and Explanation:

To assess the balance between structure and interaction, it is necessary to identify whether the conversation is establishing itself in an unbridled way, without focus and objectivity, but it is happening in the most complete mess and chaos, without allowing any of the members of the group to concentrate. This means that the conversation is out of balance and has a lot of interaction and little structure. It is also necessary to assess whether the conversation is taking place in an organized manner, but without allowing interactivity and understanding between group members. This means that the conversation is out of balance, with a lot of structure and little interaction.

The physiological process being investigated is diffusion.

Diffusion is the movement of molecules from a region where they are more concentrated to one where they are less concentrated.

The net movement of molecules is from a region of high concentration to one of low concentration during diffusion.

In a cell, there are four different kinds of transport systems.

These are main active transport, secondary active transport, facilitated diffusion, and simple diffusion.

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