Krupa uses many methods to control pests on her farm. She plants a variety of crops, uses ladybugs to control aphids, and uses chemical pesticides when necessary. Which term describes Krupa's farming practices? 1Points A inorganic plant material B integrated pest management C international park management D invasive predator migration

Answer:

A mutation that causes incorporation of an incorrect amino acid in a synthesizing protein is known as missense mutation.

Explanation:

Because of the protein that this amino acid would be carrying.

Answer:

The correct answer will be- Missense mutation

Explanation:

A missense mutation is a type of mutation which takes place due to the change in the single base pair nucleotide caused by the substitution of a different nucleotide.

The change in the single nucleotide leads to change in the codon read during the translation. This change in the codon causes the substitution of a different amino acid which could result in a different protein.  

Thus, missense mutation is the correct answer.

The difference in characteristics among the offspring, despite inheriting similar genes from their parents, is best explained by the fact that offspring vary in regard to their characteristics.

The statement that best explains why the offspring, who inherited similar genes from their parents, are so different is that offspring vary among each other in regard to their characteristics.

This variation can be due to a combination of genetic and environmental factors. While offspring inherit genes from both parents, they may receive different combinations of those genes, leading to variations in physical traits such as size and fur color. Additionally, environmental factors, such as diet, exercise, and social interactions, can also influence an individual's personality, resulting in drastic differences among the offspring.

SEO Keywords: offspring characteristics, genetic variation, environmental influence, inherited traits, physical traits, personality differences.

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Answer:

i think its D but im not 100%

Explanation:

Natural selection involves trade-offs between producing a larger number of offspring over a lifetime and investing resources in longevity.. The Option A.

Organisms face a limited amount of energy and resources that can be allocated to different life history traits. If an individual allocates more energy towards reproduction, it may have a higher number of offspring but may also have a shorter lifespan.

But if an organism invests more energy in survival and longevity, it may have a smaller number of offspring. These trade-offs are shaped by the specific ecological and environmental conditions in which the organisms exist. Therefore, the Option D is correct.

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Answer:

Mutations in the genome

Mutations in the genome occurs in all species of living organisms and may lead to an increase in genetic variation.

The sickle cell anemia will be caused due to the change in the DNA nucleotide sequence has been observed, where adenine has been substituted by the thymine, whose expression has the change in the sequence of the amino acids in β-globin, with valine being incorporated instead of glutamic acid. This constitutes a mutation of the missense type.

Mutations has been characterized by the substitution of one nucleotide by another in the DNA sequence and a point mutation whose consequence has been reflected in the transcription and substitution of one amino acid by another in a protein, whose structure or function will be altered.

The change from glutamic acid to the valine in β-globin causes an altered hemoglobin, giving the abnormal erythrocytes observed in sickle cell disease.

Therefore, Mutations in the genome occurs in all species of living organisms and may lead to an increase in genetic variation.

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Answer:

uncouplers

Explanation:

Metabolic uncouplers are chemicals/molecules that have ability to shuttle H+ across the membrane disrupting the proton motive force necessary for the generation of ATP. As a consequence the ATP synthesis is reduced and  anabolism is slowed down. These processes also known as metabolic uncoupling lead to the reduction in biomass yield (weight loss).

Fat Away works as a metabolic uncoupler, similar to DNP. It alters the electron transport chain of the mitochondria, thereby reducing ATP synthesis and increasing metabolic rate, leading to weight loss.

The weight loss drug Fat Away acts as a metabolic uncoupler in the body, affecting the electron transport chain and decreasing ATP synthesis by making the mitochondrial membrane permeable to H+. This causes H+ to leak from the intermembrane space to the mitochondrial matrix, disturbing the proton gradient needed for ATP synthesis and creating a state of uncoupled respiration. The energy that would otherwise be harnessed to generate ATP is instead dissipated as heat, causing an increased metabolic rate and thus, weight loss.

This mechanism resembles how substances such as DNP work. In effect, Fat Away acts similarly to DNP by dissipating the proton gradient in the matrix and increasing metabolic rate, rather than blocking the movement of protons through ATP synthase or reducing the proton gradient in the intermembrane space.

ATP production is a crucial part of cellular respiration and energy generation from food metabolism. The resistance to ATP synthesis forces the body to turn to alternate sources of energy. This often involves the breakdown of fatty acids – a process known as fatty acid oxidation or ß-oxidation – to generate the much-needed ATP. Thus, the overall effect of the drug is a heightened metabolic rate and weight loss due to increased fat oxidation.

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Answer:

Inertia

Explanation:

This force ensures that objects remain in one course with less tendency to change direction when in motion or at rest. This force is the reason why you can let free the wheel of a car in motion and the car will more or less maintain course without toppling over. It is this same force that ensures that greater energy is required to launch the car from complete stall to motion.  

Final answer:

Friction is the primary force responsible for controlling a vehicle, providing the necessary forces for both acceleration and circular motion via the interaction of the tires with the road surface.

Explanation:

The scientific force primarily responsible for maintaining control of your vehicle is friction. When tires rotate and attempt to push against the ground, friction acts in the opposite direction, allowing the vehicle to move forward in response to your control inputs. According to Newton's Third Law, for every action, there is an equal and opposite reaction, which in the context of movement, means the ground pushes back on the tires with a reactionary friction force. Secondly, per Newton's Second Law, this friction force causes the car to accelerate, as the throttle, engine, and drivetrain work in unison to apply force to the road through the tires.

During circular motion, such as turning a corner, it's the friction force that keeps the car from sliding outwards. Despite what might feel like an outward pull, this sensation is actually a fictitious force arising from our inertia; the real force at work is still friction, directed towards the center of the circle the car is navigating (centripetal force). This explains why in slippery conditions, like ice, a car may struggle to stay on course, as the coefficient of friction is significantly reduced, making it harder to generate the necessary centripetal force to keep the vehicle following the curve of the road.

Answer:

Heritable variation exists for traits among individuals in a population.

Explanation:

According to Darwin's theory of evolution, natural selection is the main evolutionary mechanism. Darwin explains that organisms that have heritable traits that help them survive and reproduce, will be favorable by natural selection. Those favorable traits will enable organism to better adapt to their environment and to pass more genes on to the next generation (offspring).

Organisms adapt to their environment by changing their behavior, structural traits or physiology as a response to environmental change, so that they become well suited to it.

The correct statement combining postulates 1 and 2 of natural selection is that heritable variation exists for traits among individuals in a population. This genetic variance allows for certain traits, like drug resistance, to be selected for and become more common over generations.

The accurate combination of postulates 1 and 2 of natural selection is that heritable variation exists for traits among individuals in a population. Charles Darwin's theory of natural selection is based on the premise that there is genetic variance within species, and these variations are what allow natural selection to act. Because of heritable genetic differences, when the environment changes or when members of a population are exposed to factors such as drugs, those with favorable traits that provide an advantage in those conditions are more likely to survive and reproduce, passing those traits on to their offspring. This natural selection process eventually leads to these favorable traits becoming more common in the population over successive generations, while individuals without these traits are less likely to reproduce, decreasing those traits in the population. Drug resistance, for example, does not exist among all individuals but is a heritable trait found in some individuals that can be selected for in environments with antibiotics present.

Answer:

mutations

Explanation:

Mutations are changes in DNA sequence that can create genetic variation within the population and thus are the ultimate source of new alleles . Mutations are important for evolution because of their ability to form a new genetic variant (allele) that can be spread to the offspring.  If a new variant of a trait formed by a mutation is advantageous and helps the organism to survive and reproduce,  it is going to be favourable by natural selection. That  variation will more likely be passed to the next generation and remain over time.

Answer:

It is called pen and it is located at the dorsal side

Explanation:

Squid belongs to the class Cephalopoda, subclass Coleoidea which is characterized by internal shell (unlike subclass Nautiloidea in which shell is located externally).

The shell of the squid (the pen) in very reduced and small, formed from chitin and located at the dorsal side. The pen provides attachment for muscles and it gives the squid stiffness.

Most likely, this internal shell evolved from the  external shell, because it is believed the ancestral of the organisms from the Coleoidea was probably nautiloid-like.

Answer:

D. Anaerobic

Explanation:

The human body gets energy by breaking a terminal phosphate from adenosine triphosphate (ATP), a high energy molecule. In the cells, ATP is produced during cellular respiration.  

Cellular respiration may be aerobic or anaerobic. Aerobic respiration occurs in presence of oxygen and yields 38 ATP from the oxidation of one glucose molecule whereas, anaerobic respiration occurs in absence of oxygen and yields only 2 ATP from the oxidation of one glucose molecule.  

Normally human body fulfils its energy requirement by aerobic respiration. But when energy is a requirement is more during running a race, doing heavy exercises, aerobic respiration alone does not fulfil energy requirement, in such condition the body fulfil its required energy through anaerobic respiration in an oxygen-deficient environment.  

Answer:

No, because if you ground up a human and put it in a test tube, it would be dead but still have the same molecules

Explanation:

Answer:

Natural selection

Explanation:

this is what the example would be

When they leave, the gene frequencies in the remaining population will change for blue-eyes and brown hair in the next generation. This is an example of genetic drift.

Genetic drift is the arbitrary change in the population's frequency of a gene variant that already exists. Gene variations may totally vanish due to genetic drift, which would limit genetic diversity.

Additionally, it can make previously uncommon alleles far more common and even fixed.

Genetic drift occurs when the frequency of different alleles, or variable forms of a gene, fluctuates over time through chance. Changes in allele frequencies are used to measure these differences in allele presence.

Genetic drift, also known as genetic sampling error or the Sewall Wright effect, is an entirely random shift in the gene pool of a small population.

Thus, this is an illustration of genetic drift.

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A scientist looks at two different cells under a microscope. Cell A has many more ribosomes than cell B. What can the scientist conclude about the cells?

A. Cell A makes more proteins than cell B. B. Cell B makes more proteins than cell A. C. Cell A and cell B make the same proteins.

this is because ribosomes are responsible for the synthesis, or production, of proteins.

Final answer:

Cell A produces more proteins than Cell B due to the greater number of ribosomes present. Ribosomes are the sites of protein synthesis in cells, and their abundance is indicative of the cell's protein production capacity. This structural feature of cells, along with DNA and cell membranes, provides evidence for common ancestry among different life forms.

Explanation:

If a scientist observes that Cell A has many more ribosomes than Cell B, it can be concluded that Cell A makes more proteins than Cell B. This is because ribosomes are structures in the cytoplasm where proteins are made. The more ribosomes a cell has, the greater its capacity for protein synthesis. Cell B, having fewer ribosomes, would be expected to make fewer proteins compared to Cell A.

DNA in cells contains the genetic instructions required for making proteins. The presence of ribosomes across different types of cells, such as bacteria and human cells, suggests a common ancestry since these structures are essential for protein production, which is a fundamental process in all living cells.

Additional Features Indicating Common Ancestry

Answer:

I'm pretty sure it's liver

Explanation:

Answer:

The mucosa

Explanation:

The mucosa is the innermost layer of the GI tract and it has two main functions: Secretion and absorption.

The mucosa comes into contact (directly) to chyme, so the mucosa has goblet cells, which are specialized cells, that secrete a protective lining of mucus throughout the GI tract to protect it from harm. It is in the epithelium layer of the mucosa where the most absorption occurs.

Answer:

16 i guess

Explanation:

bcs i think it will bcome half it is called haploid or diploid im not sure the name

Hey there! :D

Changing amino acids in a protein of 433 amino acids would change the entire protein. It would no longer be the same. It depends on where the protein is affected, the first sequence, or the last one. One wrong nucleotide leading to a wrong amino acid affects the whole chain and destroys the proteins natrual purpose.

I hope this helps!

~kaikers

Changing a single amino acid in a protein can significantly alter the function and structure of the protein. This is demonstrated in medical conditions such as sickle cell anemia, where a single amino acid substitution affects the entire protein function.

Changing a single amino acid in a protein consisting of 433 amino acids can indeed have a substantial effect on the structure and function of the protein, as the functional properties of a protein are determined by its specific sequence of amino acids. For instance, in the case of sickle cell anemia, a single substitution of the amino acid glutamic acid with valine in the hemoglobin molecule changes its structure, leading to a different shape of red blood cells and subsequently a dramatic decrease in life expectancy. The unique sequence for every protein is ultimately determined by the gene encoding it. Gene mutations such as substitution, deletion or insertions can cause such changes in the amino acid sequence, resulting either in minor differences in the protein or tangibly altering its function. For example, frameshift mutations caused by insertions or deletions of a number of nucleotides can change every amino acid after the point of the mutation, possibly including a stop codon before the end of the coding sequence, rendering the resulting protein nearly always nonfunctional.

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Answer:

B. There is less biodiversity in the high tide zone because the tidal changes make survival difficult.

Explanation:

The high tide and low tide zones are located on the seashore as the ocean water merges with land.

High tide zones are usually covered with water during high ocean tide while low tide zones are always submerged in water.

There is low biodiversity in the high tide zone because the tide here changes rapidly and organisms find it difficult to adapt. Organisms that inhabit here must be welll adapted to withstand peroids of high tides.

Answer:

I'm doing this question right now.

I'm pretty sure it's C. There is more biodiversity in the high tide zone because the waves bring additional nutrients to the area.

Answer:

I believe it is the "Nucleus."

Explanation:

Hope my answer has helped you!

Answer:

only in the nucleus

Explanation:

DNA replication is when DNA makes another copy of itself. DNA replication is needed in order to maintain the number of chromosomes that is characteristic to a species during cell division. During cell division, one parent cell divides into two daughter cells. If DNA replication did not occur, then the daughter cells would receive only half the number of chromosomes characteristic of that species.

Soil is a mixture of organic matter and weathered rock, comprising the weathering of bedrock, as well as organic materials, making it a heterogeneous mixture.

The substance that is a mixture of organic matter and weathered rock is known as soil. Soil is created from the weathering of bedrock, which is the solid rock lying beneath the soil, as well as from organic materials. The lower layer of the soil, which includes the regolith and the saprolite, contains a mix of weathered bedrock, leeched materials, and organic matter. Soil also includes fragments of rocks, like sand, silt, or clay, and chemical precipitates. Since soil is composed of various materials, it is classified as a heterogeneous mixture.

There are two main types of cells among living organisms:

the technique of calorymetry is used to determine the energy content of food items.

●Determination of energy is the basic principle technique.

Answer:

These studies estimate that 6.7% of hospitalized patients have a serious adverse drug reaction with a fatality rate of 0.32%. If these estimates are correct, then there are more than 2,216,000 serious ADRs in hospitalized patients, causing over 106,000 deaths annually.

Explanation:

ADRs in hospitalized patients, causing over 106,000 deaths annually.

The Answer:

Choice C: mRNAs that are expressed from a specific gene.

Answer:

Because eukaryotic genes contain introns

Explanation:

Eukaryotic genes are much more complex than prokaryotic genes. Some of the differences between these two groups of organisms are:

On the other hand, prokaryotic genes are organized in operons, structural units that contain more that one gene, under the control of one promotor.

Eukaryotic gene expression is more complex due to physical separation of transcription and translation, epigenetic regulation, and larger genomes.

Eukaryotic gene expression is more complex than prokaryotic gene expression because the processes of transcription and translation are physically separated within the eukaryotic cell. Eukaryotic cells can regulate gene expression at multiple levels, beginning with control of access to DNA through epigenetic regulation. This complexity is further enhanced by the larger genomes, alternative splicing of mRNAs, and chromatin wrapping in eukaryotes.

The diameter of the DNA double helix is uniform throughout because a purine (two rings) always pairs with a pyrimidine (one ring) and their combined lengths are always equal.

Final answer:

The uniform diameter of the DNA double helix is due to the base pairing between purine and pyrimidine bases, which each occupy the same amount of space, resulting in a consistent structure with a diameter of 2 nm.

Explanation:

The characteristic of the subunits that allows for a uniform diameter of the double helix in DNA is the base pairing between a purine and a pyrimidine. DNA comprises two anti-parallel strands twisted around each other, with the purine bases (adenine and guanine) pairing with the pyrimidine bases (thymine and cytosine) in the opposing strand. This pairing is stabilized by hydrogen bonds; adenine pairs with thymine via two hydrogen bonds, while guanine pairs with cytosine via three hydrogen bonds. The purine and pyrimidine bases pair so that the DNA strands form a double helix with a uniform diameter of 2 nm. These base pairs each take up the same amount of space and create a regular pattern of major and minor grooves along the DNA molecule, which assists in binding proteins to the DNA.

Answer:

Proliferative phase

Explanation:

Uterine cycle is part of the menstrual cycle in which changes occur in the reproductve female system in order to prepare female on possible pregnacy. Uterine cycle isdivided into three phases:

The proliferative phase is when the endometrium doubles in thickness. This phase is stimulated by increased estrogen levels and prepares the uterus for potential pregnancy. If no fertilization occurs, this thickened lining is shed during menstruation.

During this phase, the granulosa and theca cells of the tertiary follicles begin to produce increased amounts of estrogen, stimulating the endometrial lining to rebuild. This phase occurs after menstrual flow ceases and is characterized by a thickening of the endometrium, the inner lining of the uterus, due to an increase in blood vessels and tissue in preparation for a potential pregnancy. If the egg is not fertilized, the corpus luteum degrades, leading to a decline in progesterone production and the shedding of the endometrium during menstruation.

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Answer:

A. Chytridomycota

Explanation:

They are the most primitive true fungi and they produce zoospores that have a flagellum. Chytridomycota are usually aquatic but some species thrive on land. Most of them are unicellular and have commonalities with protist/s in terms of their habitat and structure of the cell.