Who is credited with being the father of the modern u. S. Wilderness conservation?.

Answer:

Bears and lizards are more closely related.

Explanation:

The chart shows the branches of the species. The relativity of each species to each other shows how closely related they are.

organisms that are placed close to each other and have a nearly common ancestor have some similarities, so the bear and the lizard are closer to each other than the newt because they are closely present in the cladogram.

The cladogram is the diagrammatic representation of the animals and shows how the organisms have evolved and their special traits. This cladogram explains how the species show commonness and difference, such as the bear and the chimpanzee, which are both derived from the common mammal ancestor.

From the common amneote ancestor, the lizard, bear, and chimpanzee are descended, so they all have the traits of the amneote. From a common tetrapod ancestor, the newt, the lizard, the bear, and the chimpanzee are derived, and all have some characteristic of the tetrapoda.

Hence, the bear and the lizard are closer to each other than the newt because they are both present closely in the cladogram.

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Substance is being reabsorbed in the renal tubules, it is being taken back into the bloodstream instead of being excreted in the urine. Therefore, excretion rate will only a small amount, if any, of substance A would be excreted in the urine.

Based on the given information that substance A is freely filtered in the glomeruli and reabsorbed in the renal tubules, the expected excretion rate for substance A in this volunteer would be minimal or close to zero.

Since substance A is freely filtered in the glomeruli and reabsorbed in the renal tubules, it is effectively being reabsorbed back into the bloodstream instead of being excreted in the urine. As a result, only a small amount, if any, of substance A would be excreted in the urine, leading to a minimal excretion rate.

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Answer:

A-2

B-4

C-1

D-3

Explanation:

In description A, the car is first moving at a constant speed, which means it will have a constant slope. Then, it stops, which causes a slope of 0. Finally, it moves in the opposite direction, which will cause a negative slope. The second graph has a positive, zero, and negative slope; therefore, it fits A.

Description B has a constant slope, a zero slope, and a higher slope. Graph 4 goes up normally, then stops, and finally goes steeper. This fits description B.

Description C has a constant and then a higher slope. Graph 1, increases steadily and then sharply increases; which fits C.

Description D has a constant and then a lower slope. Graph 3 increases fast but then flattens, which matches the slopes in the description.

Answer:

F1)  

F2)

                          50% Heterocigota, Ll

                           25% Homocigota recesivo, ll

                         25% frutos de vaina rugosa (ll)

Explanation:

Datos disponibles:

1er Cruza: planta de vaina lisa homocigota x planta de vaina rugosa homocigota

Parentales)    LL    x    ll

Fenotipo)    Lisa         Rugosa

Gametos)   L      L      l        l

Cuadro de Punnett)    L         L

                           l       Ll        Ll

                           l       Ll        Ll

F1) 4/4 = 100% de la progenie será heterocigota, Ll, para la textura de vaina, pero expresarán vainas lisas.

2da Cruza: Dos plantas provenientes de la F1

Parentales)    Ll      x      Ll

Fenotipo)  Liso             Liso

Gametos)    L     l        L      l

Cuadro de Punnett)     L       l

                              L    LL    Ll

                               l    Ll      ll

F2) 1/4 = 25% de la progenie será homocigota dominante, LL

      2/4 = 50% de la progenie será heterocigota, Ll

      1/4 = 25% de la progenie será homocigota recesiva, ll

      3/4 = 75% de la progenie tendrá vainas lisas

      1/4 = 25% de la progenie tendrá vainas rugosas.

The Nutrient A biosynthetic pathway is an example of a negatively controlled and repressible system. In this system, nutrient A acts as a corepressor by binding to a repressor protein, which then binds to the operator region of the genes involved in the pathway, preventing transcription. So the correct answer is option B.

This negative control system is also repressible, meaning that the repressor protein is not always bound to the operator region. When nutrient A is not present, the repressor protein is inactive and the genes involved in the biosynthetic pathway are transcribed. In contrast, an inducible system involves the activation of gene expression by the presence of an inducer molecule. A positively controlled system involves the activation of gene expression by a regulatory protein, rather than the repression of gene expression.

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Answer:

usually in association with myosin, are responsible for many types of cell movements. Myosin is the prototype of a molecular motor—a protein that converts chemical energy in the form of ATP to mechanical energy, thus generating force and movement.

Explanation:

The type of energy muscle cells use to produce mechanical energy in the movement of an arm is known as chemical energy.

The type of energy that muscle cells use is known as chemical energy. Adenosine triphosphate (ATP) is the energy source for all muscle contractions. Energy is released when ATP is broken into ADP+Pi (adenosine diphosphate and phosphate group).

Maintaining the availability of ATP for muscle contraction is the limiting factor since ATP is not stored in large amounts in skeletal muscle. Muscle contraction converts chemical energy to mechanical energy when ATP is hydrolyzed during cross-bridge cycling.

This mechanical energy is then distributed and stored in the tissue as the muscle deforms or is used to perform external work.

Therefore, chemical energy is the type of energy muscle cells use to produce mechanical energy in the movement of an arm.

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Explanation:

Endothermic reactionIn an endothermic reaction, the products are higher in energy than the reactants. Therefore, the change in enthalpy is positive, and heat is absorbed from the surroundings by the reaction.

Answer: (1.) several hierarchical levels in an ecosystem, that share the same function in the food chain and the same nutritional relationship to the primary sources of energy (2.) that only ten percent is available to the next level  

Explanation:

Answer:

the dried inner bark

Explanation:

dried inner bark

Answer: In this strategy, the laboratory-reared insects are bred in such a way that they are homozygous for several translocations, which means that they carry two copies of each altered chromosome. When these modified insects are released into the wild, they will mate with the resident wild-type insects. However, the translocations make it difficult for the offspring to produce viable gametes, which leads to a reduction in the number of fertile offspring produced.

Over time, the population of wild-type insects will decline, as their offspring are less likely to survive to reproductive age. The laboratory-reared insects that carry the translocations will also produce fewer viable offspring, but their reduced fertility is less of a concern because they were not meant to reproduce in the wild. Therefore, the sterile insects in this case are the offspring of the wild-type insects that have mated with the laboratory-reared insects carrying the translocations.

Compared to the use of irradiated sterile males, this method has the advantage of using insects that are not weakened by radiation and that can compete more effectively with the resident fertile males for mating opportunities. Additionally, the homozygous translocation approach can be applied to a wider range of insect species, whereas the use of irradiated sterile males is limited to certain types of insects.

Answer:

The enzymes digest extracellular domains of proteins that mediate cell adhesion.

Explanation:

You will find the explanation in the attached file due to technical problems.

The best reason for randomly assigning treatment levels (spraying or not spraying) to the experimental units (farms) is to reduce potential biases and ensure a more accurate representation of the population.

The best reason for randomly assigning treatment levels (spraying or not spraying) to the experimental units (farms) is to minimize the effects of any potential confounding variables that may influence the outcome of the experiment. By randomly assigning treatments, any potential bias or systematic differences between the treatment and control groups are reduced, allowing for more accurate and reliable conclusions to be drawn from the experiment. This helps to ensure that any observed differences between the treatment groups are truly due to the treatment itself, rather than any extraneous factors that may have influenced the results.
The best reason for randomly assigning treatment levels (spraying or not spraying) to the experimental units (farms) is to reduce potential biases and ensure a more accurate representation of the population. This process helps create comparable groups, eliminates confounding variables, and enhances the validity of the experiment's results.

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Arthritis or rheumatoid arthritis is a prevalent condition among the elderly.

The knee is one of the largest and most intricate joints in the body. The knee is the joint that links the femur (thigh bone) to the shin bone (tibia). The smaller bone that runs alongside the tibia (fibula) and the kneecap are the extra bones that make up the knee joint (patella).

Osteoarthritis is the most common kind of arthritis that affects the knee. Osteoarthritis is a degenerative disease in which the cartilage in the joint gradually deteriorates. It primarily affects persons in their forties and fifties. Osteoarthritis may be caused by excess stress on the joint such as repeated injury or being overweight.

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Answer: what are the choices

Explanation: hi

When dissolved in water, electrolytes produce solutions of ions. The correct option is 2.

When electrolytes are dissolved in water or other solvents, they produce ion solutions that conduct electricity.

These ions, which can be positively or negatively charged (cations or anions), form when the electrolyte dissociates into its constituent atoms or molecules in the presence of a solvent.

Electrolytes include ions such as sodium, potassium, calcium, magnesium, chloride, bicarbonate, and phosphate.

These electrolytes are important in many physiological processes in the body, including fluid balance, nerve impulse transmission, and muscle function.

Food and drink, supplements, and intravenous fluids are all sources of electrolytes.

Thus, the correct option is 2.

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The destroying of peptide generated by translation of target mRNA is NOT one of the ways in which small, non-coding RNA-enzyme complexes influence gene expression, Option (c) is correct.

The Small, non-coding RNA-enzyme complexes, such as microRNAs and siRNAs, use base pairing to target specific mRNA molecules and regulate gene expression in several ways.

These complexes can destroy the target mRNA, block the transcription of the gene that codes for the target mRNA, or inhibit the translation of the target mRNA into a peptide.

The destruction of the peptide generated by the translation of the target mRNA is not one of the ways these complexes influence gene expression.

Therefore, the correct option is (c).

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The given question is incomplete, the complete question is

Which is NOT one of the ways in which small, non-coding RNA-enzyme complexes influence gene expression?

(a) destroying the target mRNA

(b) blocking the transcription of the gene that codes for the target mRNA

(c) destroying the peptide generated by the translation of the target mRNA

(d) inhibiting translation of the target mRNA into a peptide.

Answer:

Explanation:

Photosynthesis use carbon dioxide and water to assemble carbohydrate molecules and release oxygen into the air easy

R-selected species are indeed short-lived.

Species whose populations are governed by their biotic potential are called r-selected species.

Biotic potential is defined to be the maximum reproductive capacity of a species under optimum environmental conditions. Environmental resistance, which includes any factor that holds back the increase in number of the population, restricts full expression of the biotic potential of a species.

The defining characteristic of r-selected species is the production of numerous small offspring, followed by exponential population growth. R-selected species mature quickly (thus require little or even no parental care), require short gestation periods, and are short-lived. Members of this group, unlike K-selected species, are capable of reproduction at a relatively young age, but many offspring die before they reach reproductive age.

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Option c is Correct. When species adapt similarly to similar selective forces and occupy similar ecological niches, this is known as convergence in evolution.  

The Australian marsupial mole, Eurasian mole rat, and North American pocket gopher are all burrowing animals with expanded forelimbs and small eyes that feed underground.  When species adapt similarly to similar selective forces and occupy similar ecological niches, this is known as convergence in evolution. "Analogous structures" relate to characteristics that result from convergent evolution. Despite being members of distinct families, all three species are also known as mole rats.

Convergent evolution is demonstrated in this case. 'Homologous structures,' which have a common ancestor, are contrasted with them. Diverse creatures can independently evolve features that are similar, a process known as convergence. For instance, although being totally unrelated, sharks and dolphins share a lot of physical similarities.

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Correct Question:

The North American pocket gopher, the Eurasian mole rat, and the Australian marsupial mole belong to different families but are all burrowing mammals with enlarged forelimbs and small eyes and feed underground. This is an example of...

a. adaptive radiation

b. coevolution

c. convergent evolution

d. divergent evolution

The North American pocket gopher, the Eurasian mole rat, and the Australian marsupial mole all are mammals belonging to different families but having similar habits and characters is an example of: convergent evolution.

Mammals are the most advanced type of animals that belong to the class of vertebrates. Mammals are identified by the presence of mammary glands in the females through which they feed their offspring. Th examples are: humans, kangaroo, bats, etc.

Convergent evolution is the form of evolution where the organism who are not closely related to each other evolve to develop similar trait or features due to the environmental factors.

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An increase in the number of neurotransmitters exocytosed by the presynaptic axon will increase the diffusion of molecules such as neurotransmitters.

what are neurotransmitters?

Any of a group of chemical agents released by neurons (nerve cells) to stimulate surrounding neurons, muscle cells, or gland cells allows impulses to be transmitted from one cell to the next throughout the nervous system. This is known as a neurotransmitter, also known as a chemical transmitter or chemical messenger.

These neurotransmitters are stored in synaptic vesicles of the axon terminals and are released during transmission of impulses from one neuron to another.

Neurotransmitter molecules are instantly destroyed by enzymes in the synaptic cleft after being released and binding to postsynaptic receptors; they are also absorbed by receptors in the presynaptic membrane and recycled.

Hence, if they are released in large amounts from the synaptic vesicles their diffusion will increase automatically.

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The segmented income statement for Shannon Company shows the sales, variable expenses, contribution margin, allocated common fixed expenses, and net operating income for each division. The percentages are calculated by dividing each item by the total sales and multiplying by 100. This segmented statement provides a clear view of the financial performance of each division and the company as a whole.

Segmented income statements provide a detailed breakdown of the financial performance of different divisions or segments within a company. In this case, we have Shannon Company, which consists of two divisions: North and South. The overall sales, contribution margin ratio, and net operating income for the company as a whole are $810,000, 32%, and $16,200, respectively. The North Division has a contribution margin of $111,600 and a contribution margin ratio of 36%, while the South Division's segment margin is $105,000. Additionally, there are $170,100 of common fixed expenses that cannot be traced to either division.

To prepare the segmented income statement, we need to allocate the common fixed expenses to the two divisions. The allocated expenses will be subtracted from the segment margins to arrive at the net operating income for each division. Here is the segmented income statement for Shannon Company:

Shannon Company Segmented Income Statement

Divisions      Total Company        North      South

Amount ($)     % of Sales           % of Sales % of Sales

-------------------------------------------------------

Sales          $810,000             $XXX       $XXX

Variable expenses:

 Variable costs $XXX                 $XXX       $XXX

 Contribution margin $XXX             $XXX       $XXX

Fixed expenses:

 Common fixed expenses allocated:

   North Division   $XXX              $XXX       $XXX

   South Division   $XXX              $XXX       $XXX

Net operating income $16,200            $XXX       $XXX

To calculate the percentages, we divide each amount by the total sales and multiply by 100. The North Division's contribution margin ratio is already given as 36%.

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Answer:

Cold air: less space for water vapour

Warm air: more space for water vapour

Fire investigators do not carry out collecting fingerprints (option a) as part of determining the origin of a fire.

Fire investigators primarily focus on tasks such as photographing burned remains, examining burn patterns on floors, walls, and ceilings, and analyzing samples for accelerants to determine the origin of a fire.

Collecting fingerprints is not a task typically performed by fire investigators, as their main goal is to understand the fire's cause and progression.

Fingerprint collection is usually handled by forensic experts or law enforcement if a criminal element is suspected.

Fire investigators collaborate with these experts when necessary, but their main focus remains on the fire itself.

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Answer:

I'm not great at science and especially not biology but

Explanation:

the energy is transformed by the nucleus inside the cell and energy is held there it will soon release motonchdria holds the blood cell and energy will be transformed somewhat that way sorry if it doesnt help

Answer: A Chemical energy from broken bonds is transformed into mechanical energy for muscles.

Explanation:

PLATO

Cilia are the highlighted structure. The stratified, keratinized epithelium that is highlighted is squamous epithelium.

Cilia :-

All mammalian cells have cilia, which are tiny, slender, hair-like structures. They may be solitary or many and are of a primitive character. Cilia are important for movement. They take part in mechanoreception as well. Ciliates are the name for organisms with cilia.

squamous epithelium

Simple squamous epithelium: This kind of epithelium usually lines blood arteries and bodily cavities and controls how much material may enter the underlying tissue. Simple cuboidal epithelium: Kidney tubules and glandular (secreting) tissue frequently contain this form of epithelium.

Your skin's epithelium is a delicate tissue that covers glands and other internal organs. You have squamous cells all over your body. Squamous metaplasia can occasionally develop into cancer.

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The salt solution is  Hypertonic.

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Answer;

these are used in photosynthesis altogether. light splits the water into hydrogen and oxygen. water is used to manufacture starch, soften the testa during germination, dissolve food as well. carbon dioxide is also used during photosynthesis.

Autonomic nervous system reaches a broader range of cells and impacts function in a greater number of areas within the body

The peripheral nervous system's autonomic nervous system controls physiological functions that are carried out automatically, such as digestion, blood pressure, respiration, and sexual desire. Has three  divisions in it: enteric, parasympathetic, and sympathetic. It is a section of the nervous system in charge of glands and the muscles of internal organs such the heart, blood vessels, lungs, stomach, and intestines, salivary glands and sweat glands.

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A bacterium extends a small tube from itself to another bacterium and transfers a copy of its plasmid. This is a form of horizontal gene transfer (HGT) and is called conjugation. Option b is correct.

The process of transferring a copy of the plasmid from one bacterium to another bacterium through a small tube is called conjugation. Conjugation is one of the three modes of horizontal gene transfer (HGT) in bacteria. The other two modes are transduction and transformation.In bacterial genetics, a plasmid is a small, circular DNA molecule that is separate from the bacterial chromosome.

Plasmids can carry genes that confer the host bacterium with various traits such as antibiotic resistance, pathogenesis, virulence, and symbiosis. Because of their ability to transfer genes horizontally among bacteria, plasmids play a vital role in the adaptation and evolution of bacterial populations.Conjugation is a process by which one bacterium transfers genetic material (usually a plasmid) to another bacterium through a direct physical contact.

The process is initiated by the donor bacterium which extends a small tube called a pilus towards the recipient bacterium. Once contact is established, a copy of the plasmid is transferred from the donor to the recipient through a mechanism called rolling circle replication.

Hence, Option b is correct.

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