Due to the nerves they share with cats, dogs, and people, fish may experience pain. Fish that have been hooked go through physical pain as well as terror. When they are removed from their natural environment, they start to suffocate.
Do fish that have been hooked recover?
Hook wounds were discovered in 100 percent of angled fish on the day of angling and were remained observed on greater than 90 percent of bass seven days after capture. Only 12 percent of hook wounds in July were healed within six days, compared to 27 percent in May.
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End-diastolic volume is decreased during exercise because of the increased heart rate. True or false ?
True , End-diastolic volume declined more faster following blood volume growth than before, explaining the higher slope of the SV/HR relationship. Changes in inotropy had no effect on end-diastolic volume or the SV/HR relationship.
The end-diastolic volume initially reduces because the thicker heart muscle squeezes more tightly. End-diastolic volume increased by 18% (P 0.001) and end-systolic volume dropped by 21% (P = 0.002) from rest to activity at a heart rate of 160 beats min(-1). During exercise, stroke volume increased almost linearly (45% increase, P 0.001).
An increase in heart rate caused by right atrial pacing resulted in a decrease in end-diastolic volume, stroke volume, stroke work, and end-diastolic pressure in 12 conscious dogs.
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_______ Aseptic technique means that that you perform the preparation of media or the transfer. of living microbes.
Aseptic technique refers to the uniform and systematic execution of media preparation or the transmission of living microorganisms.
What are microorganisms and what do they do?
Everywhere in the environment, microorganisms play a crucial part in a variety of natural processes. Among some other things, they run the fundamental drug cycles required for the plants to get the nutrients they need from the response of organic materials in the soil.
What function do microorganisms do that is most crucial?
In addition to producing carbon dioxide and oxygen microorganisms also fix nitrogen into forms that are useful to a variety of creatures. They contribute to the gut microbiome, which aids in the digestion of food by animals. Some microbe species are symbiotic by nature.
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Rank the phases of matter from the one with the least kinetic energy to the greatest kinetic energy for the particles in the substance.(1 point)
Responses
Least gas
↓
liquid
Greatest solidLeast gas downarrow liquid Greatest solid ,
Least gas
↓
solid
Greatest liquidLeast gas downarrow solid Greatest liquid ,
Least solid
↓
liquid
Greatest gasLeast solid downarrow liquid Greatest gas ,
Least solid
↓
gas
Greatest liquidLeast solid downarrow gas Greatest liquid ,
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Answer:
Rank the phases of matter from the one with the least kinetic energy to the greatest kinetic energy for the particles in the substance.
Least kinetic energy: solid
↓
liquid
↓
gas: Greatest kinetic energy
how is the pressure of the vaporized liquid determined
The mass of the disintegrated fluid is the mass of the fume and the flagon is short of the mass of the carafe.
On the off chance that the substance being referred to is an unpredictable fluid, a typical technique to decide its molar mass is to utilize the best gas regulation, PV = nRT. Since the fluid is unpredictable, it can without much of a stretch be switched over completely to a gas. While the substance is in the gas stage, you can quantify its volume, tension, and temperature.
How is the tension inside the test tube estimated when the fluid arrives at its edge of boiling over? The tension in the test tube is equivalent to the barometric strain in the room.
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give an example of a primary consumer
What is the definition of community ecology?
The community ecology can be defined as the study of the organization and functioning of communities in an ecological system.
Community ecology is the study of how communities, which are assemblages of interacting populations of the species residing in a specific area or habitat, are organized and function. The interaction of species populations results in the formation of biological communities.
Species populations come together to form biological communities as a result of their interactions. These communities provide as excellent examples of what is meant by the word "biodiversity" due to the large number of interacting species and the complexity of their relationships. The interactions between the species keep changing as they undergo evolution.
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Members of which bacterial phylum share a unique morphology?
In addition to filament and sheathed bacteria occurring within this phylum, the Proteobacteria, once known as purple bacteria, and their relatives bewildering range of physiological and morphological traits.
The phylum to which do bacteria belong?Along with the eukaryotes and archaea domains, bacteria are regarded as a domain in taxonomy. This indicates that bacteria contain various phyla rather than belonging to a single phylum. These phyla include Chlamydial, Actinobacteria, and Cyanobacteria as examples.
What three structures do bacteria have?The main surface layers include capsules or loose slime, the complex cell envelope of Punned bacteria and the cell wall of Staphylococci bacteria, as well as plasma (cytoplasmic) membranes and mesosoma transmembrane vesicles, which develop from plasma membrane invasions.
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how did the culture of rice cultivation reach colonial carolina?
The historical paper artifacts that describe early rice farming have all but vanished. From the early decades of Carolina's experimentation with and production of rice as a commercial crop, there are no surviving plantation notebooks and ledger books.
According to ship logs, rice shipments to England started in 1699. But due to storms, floods, and second- and third-growth woods, the early rice fields that were abandoned millennia ago have collapsed.
According to Max Edelson, a historian at the University of Virginia, "the truth is that we know very little" about Carolina rice farming from the colony's inception in 1670 until 1699, when commercial rice planting began.
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Highlight (2) U Calculator
allows scientists to study several generations of Brassica plants in a short time. Usually the scientists use Brassica plants to study genetics
In one investigation that studied the inheritance of Brassica stem color, scientists crossed a heterozygous dominant (Rr) plant with a homoz
plant. This resulted in offspring with purple stems (RR or Rr) and offspring with green stems (rr). A Punnett square for this cross is shown i
You may use the calculator.
Type your answers in the boxes.
What percent of the offspring will have green stems?
What percent of the offspring will have purple stems?
Based on the Punnett square, the percent of offspring with green stems is 25%. The percent of offspring with purple stems is 75%.
What is a Punnett square?A Punnett square is a graphical representation used in genetics to predict the frequency of different genotypes in the offspring produced from a cross between two parent organisms. It is named after Reginald Punnett, who developed the concept in 1905.
A Punnett square is a table that shows the possible combinations of alleles from the two parents, and the frequency at which each combination is expected to occur in the offspring. By using a Punnett square, scientists can predict the likelihood of certain genetic traits appearing in the offspring, and therefore gain a deeper understanding of the laws of inheritance.
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in gel electrophoresis, dna fragments migrate toward the negative pole of the electric field.TrueFalse
Answer:
False
Explanation:
DNA fragments are negatively charged. In the process of gel electrophoresis, the fragments are drawn through the gel down towards the positive pole of the electric field.
A good scientific experiment is reproducible. What does this mean?A. Scientific results have undergone systematic and critical testing.
B. Experiment, hypothesis.
C. It must be open to revision in the light of new data.
D. Anyone can conduct the same experiment in another lab and expect the same results.
Anyone can conduct the same experiment in another lab and expect the same results.
What is reproducible ?When a researcher collects new data to reach the same scientific conclusions as a prior study, this is referred to as "replicability." In contrast, "reproducibility" refers to situations in which the original researcher's data and computer programmes are utilised to regenerate the results.
A process called an experiment is used to ascertain whether real-world observations support or contradict the hypothesis' derived predictions. A hypothesis gains more credibility if evidence from an experiment supports it.
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Why is the unknown in this example not Pseudomonas?
A. It can tolerate oxygen.
B. It ferments lactose.
C. It is a Gram-negative cell.
D. It is a rod-shaped cell.
Based on the given information, the unknown microorganism cannot be identified as Pseudomonas. Here option E is the correct answer.
It can tolerate oxygen: This characteristic is not specific to Pseudomonas, as many other bacteria are also capable of tolerating oxygen. It ferments lactose: This characteristic is not consistent with Pseudomonas, as Pseudomonas is not known to ferment lactose. Instead, Pseudomonas is a non-fermentative bacterium.
It is a Gram-negative cell: This characteristic is shared by Pseudomonas, as it is a Gram-negative bacterium. However, other bacterial genera are also Gram-negative. It is a rod-shaped cell: This characteristic is also not specific to Pseudomonas, as many other bacteria are also rod-shaped.
Overall, the given characteristics are not enough to identify the unknown microorganism as Pseudomonas. Additional tests, such as biochemical or molecular tests, would be needed to accurately identify the microorganism.
Complete question:
Why is the unknown in this example not Pseudomonas?
A. It can tolerate oxygen.
B. It ferments lactose.
C. It is a Gram-negative cell.
D. It is a rod-shaped cell.
E. None of these
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Select all of the following that are components of nucleotides.a. nitrogen-containing baseb. hydrocarbon tail attached to a polar headc. glycerold. sugare. phosphorus-containing groups
Nitrogen containing bases, sugar and phosphorus containing groups are the components of nucleotides.
The correct options are option a, d and e.
The nucleic acids are basically the building blocks or we can say the monomeric units of the macromolecules which are known as the nucleic acids. That is why, the nucleotides are very essential. These nucleic acids are basically responsible for transmission of the hereditary information form one generation to the other generation.
The nucleotides are basically composed of sugar, phosphorus containing groups as well as nitrogen containing bases which are the guanine, cytosine, thymine and adenosine. These nucleotides make up our DNA.
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What is the difference between the bacterial and archaea domains?
The two are fundamentally different in terms of their cellular make-up and biochemistry, with archaea possessing distinct membrane lipids, cell wall compositions, and other molecular characteristics from bacterial.
What two key distinctions exist between bacteria and archaea?The lipid makeup of bacterial and archaeal cell membranes and the properties of their cell walls are different from one another.
Prokaryotes are single-celled creatures without a nucleus (domains Archaea and Bacteria). They only have a single circular piece of DNA in the nucleoid area of the cell. The cell wall of the majority of prokaryotes crosses the plasma membrane. Some prokaryotes may furthermore possess a capsule, flagella, and pili. Bacterial and archaeal cell membranes differ from one another in terms of their lipid composition and the characteristics of their cell walls. In archaeal membranes, phytanyl units—not fatty acids—are linked to glycerol. Some membranes of archaeal organisms exhibit lipid monolayers rather than bilayers.
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Which vesicular transport process occurs primarily in some white blood cells and macrophages? A) exocytosis. B) phagocytosis. C) pinocytosis
Phagocytosis occurs primarily in some white blood cells and macrophages.
What do you mean by Phagocytosis?
Phagocytosis is a type of endocytosis in which a cell takes in material by engulfing it with its cell membrane. The material is then brought into the cell and degraded by lysosomal enzymes. This process is used by immune cells such as macrophages, neutrophils, and dendritic cells to engulf and destroy pathogens and cellular debris.
During phagocytosis, white blood cells and macrophages recognize and bind to foreign particles, such as bacteria and other pathogens, and engulf them into their cell membranes. The engulfed particle is then digested by lysosomes within the cell, which help to break down the particle and dispose of it. This process is important for protecting the body from infection and disease.
Hence, option B is correct.
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Contains instructions for protein synthesis and cell reproduction; contains genetic information.
The statement is describing the function of DNA (Deoxyribonucleic Acid), which is the molecule that contains instructions for protein synthesis and cell reproduction, and carries genetic information.
Importance of DNA in living organisms ?
DNA (Deoxyribonucleic Acid) is of utmost importance in living organisms for several reasons:
Genetic information: DNA contains the genetic information that determines an organism's traits, such as eye color, height, and susceptibility to diseases. This information is passed down from generation to generation, allowing for the preservation of the species.
Protein synthesis: DNA provides the instructions for making proteins, which are essential for the structure, function, and regulation of cells and tissues. These proteins carry out metabolic reactions, transport molecules, and communicate with other cells.
Cell reproduction: DNA is responsible for the replication of cells through the process of cell division. This process ensures the growth and repair of tissues, and is essential for the development and maintenance of the organism.
Evolution: DNA provides the genetic variability that allows for natural selection and evolution of the species. Mutations in DNA can result in changes in the genetic code, which may confer advantages or disadvantages to the organism, affecting its survival and reproduction.
In summary, DNA is essential for the survival, growth, development, and evolution of living organisms, making it one of the most important molecules in biology.
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the continual life cycle of keratinocytes being sloughed and replaced by cells undergoing mitosis takes about _________.
A cell that starts out in the basal lamina or stratum will eventually move through all of the epidermis strata in this fashion.
Describe a strata?A subset of the population's whole collection of things being sampled is referred to in statistics as a stratum, plural strata. Thus, stratification is the practice of separating the population into groups within which a random sample of individuals can be selected.
An epidermis is what?In botany, the epidermis is the outermost layer of cells generated from the protoderm that covers the stalk, root, leaves, blossom, fruit, and seed sections of a plan.
In botany, the epidermis is the outermost layer of cells generated from the protoderm that covers the stalk, root, leaves, blossom, fruit, and seed sections of a plant. The waxy cuticle of the epidermis acts as a barrier against infection, water loss, and mechanical harm.
A tissue that serves as protection for the entire plant is called the epidermis.A cell that starts out in the basal lamina or stratum will eventually move through all of the epidermis strata in this fashion.
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Using a microscope, you observe an amoeba moving toward a food source. This is an example of. A) reproduction. B) cellular structure. C) metabolism.
You see an amoeba migrating toward a source of food under a microscope. This demonstrates responsiveness.
Describe Amoeba.Single - celled organisms with the ability to change their shape include amoebas. Ponds, lakes, and rivers with slow moving freshwater are common places where they can be found. Periodically, these human organisms might invade the human body and spread a variety of ailments.
Can amoebas harm you?It is often described to simply as the "brain-eating ameba" although it can infect this very same brain whenever water carrying ameba flows up the nose. Only three Americans contract a fatal sickness from themselves each year, despite this. Some of the early symptoms include headaches, fever, nauseousness, and vomiting.
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What are MHC class I molecules?
Virtually all somatic cells produce MHC class I molecules (MHC-I), which are cell surface recognition molecules. These molecules take peptides made inside the cell as samples.
It is used to alert T lymphocytes and natural killer (NK) cells to the physiological status of the cell. All nucleated cells express MHC class I molecules, which are located on the cell surface and contain peptide fragments originating from intracellular proteins.
These peptides often come from the cell's own "house-keeping" proteins, but in a cell that has been infected by a virus, peptides from viral proteins may also be present. To CD8+ and CD4+ T lymphocytes, respectively, MHC I and II molecules present protein fragments. These molecules, which are crucial for cell-mediated immunity, first arose during the time the adaptive immune system was developing.
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given left atrial pressure of 2 mmhg and pulmonary trunk pressure of 15mmhg, the driving pressure is
Given left atrial pressure of 2 mmhg and pulmonary trunk pressure of 15mmhg, the driving pressure is 25.
What is atrial pressure ?
It enables medical professionals to assess your blood's circulation and determine if it reaches all of your vital organs.
What is pulmonary trunk pressure ?
Pulmonary blood pressure, as opposed to systemic blood pressure, which indicates the power of your blood flowing through your body's blood vessels, reflects the force your heart uses to pump blood from your heart through the arteries in your lungs.
Therefore, Given left atrial pressure of 2 mmhg and pulmonary trunk pressure of 15mmhg, the driving pressure is 25.
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When was the FBN1 gene first discovered?
Answer:
1991 is the correct answer
Explanation:
good
Please can someone help me?
Answer: Crossing over is important because it allows for more genetic diversity of gametes.
I hope this helped you!
Most children with cystic fibrosis have frequent lung infections and digestive difficulties. Some people have mild cases, with onset of minor respiratory problems in adulthood. Some men with cystic fibrosis only exhibit the symptom of infertility. Which exception to Mendelian laws of inheritance best explains these symptoms?
Some suffer from moderate cases, developing minor respiratory issues as adults. Some cystic fibrosis patients' sole noticeable symptom is infertility.
Fibrosis: What is it?Chronic inflammatory responses brought on by numerous stimuli, such as recurrent infections, autoimmune disorders, allergic reactions, chemical assaults, radiation, and tissue damage, culminate in fibrosis. The main goals of treatment are to minimise symptoms and halt the disease's progression. Palliative care for the end of life will be provided as the disease progresses.
Describe a tissue?The intercellular matrix, a nonliving substance, fills the gaps between both the cell. There might be a lot of this in particular tissues and not much in others. Tissues make up every single component of the body
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What role does nondisjunction play in the formation of a fertile allopolyploid hybrid?-It doubles the chromosome number in the hybrid.-It allows gametes of the two parent species to combine.-It causes the chromosomes to line up at the center of the cell during mitosis.-It breaks down chromosomes that don't exist as homologous pairs.
Nondisjunction plays an important role in the development of a fertile allopolyploid hybrid. The hybrid's chromosomal count is doubled as a result.
What happens if meiosis 2 nondisjunction takes place during gametogenesis?Two of the four products will be unaffected by nondisjunction in meiosis II, whereas two of the products will be aberrant. One of the aberrant products will have an additional chromosome, whereas the other will not have that chromosome.
What occurs when there is nondisjunction?When nondisjunction occurs, the homologous or sister chromatids are drawn to one pole of the cell because the separation does not take place. Mitotic nondisjunction can be caused by the inactivation of topoisomerase II, condensin, or separase.
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at what sound frequencies in the audible range will the child have increased hearing sensitivity?
The answer to this is 6600 Hz to 19,800 Hz. When sound waves or longitudinal air vibrations enter the ear canal and impact the ear drum, the brain interprets the sound.
The range of low frequencies between 2,000 and 5,000 Hertz is where people are most sensitive. The human ear degenerates with age and is expected to become less sensitive to high frequencies.
The shape of the human ear is analogous to a closed ended pipe hence
we have λ = 4L or wavelength = 4 * length of the child ear
The frequency c/λ where c = speed of sound = 343 m/s
hence the child's audible range is multiples of 343/(4*0.13) =6600Hz
or 13200 Hz or 19,800 Hz
The generally quoted range of human hearing is 20 Hz to 20 kHz.
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Full Question: A child has an ear canal that is 1.3cm long. At what sound frequencies in the audible range will the child have increased hearing sensitivity?
which phylum harbors the most functional diversity observed and also has the most cultured representatives?
a. Actinobacteria
b. Bacteroidetes
c. Firmicutes
d. proteobacteria
The phylum Proteobacteria now represents the largest and most phenotypically diversified evolutionary branch within the domain Bacteria.
The correct statement is D.
What function does a protobacterium serve?By consuming oxygen and reducing the electrocatalytic activity in the gut environment, the proteobacteria are believed to play a significant role in preparing the intestine towards colonization by the stringent anaerobes necessary for optimal gut function.
What makes proteobacteria unique?The phylum (Proteobacteria) of bacteria, which is made up primarily of staphylococci bacteria with only an outer membrane largely made of lipopolysaccharides, is known as the Bacteria. They all have flagella that are used for propulsion. Some of them are non-motile, whereas others move through bacterial gliding. This phylum includes anaerobic organisms.
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how many arms does squid have
Answer: 8 Arms and 2 Tentacles
Explanation:
The 2 tentacles are for catching and eating the prey they catch. The 8 arms are for doing the same thing as the tentacles but it also helps them swim.
Transporting a substance against its concentration gradient requires -a transporter that is facilitated in its diffusion.
-countertransport with another molecule against its concentration gradient.
-cotransport with another molecule against its concentration gradient.
-a transporter that uses energy.-a channel that is specific for that substance.
A transporter that consumes energy is necessary to move a material against its concentration gradient.
What does a solution's concentration gradient look like?The change in concentrations per unit of distance in something like a solution is known as a solute's gradient of concentration. Diffusion between two places where a substance's concentration varies produces a pressure gradient; the process continues until the two regions' concentrations are equal.
What happens when the gradient of the concentration is reduced?When the molar concentration is eliminated, there will be a neutral net flow of particles. This indicates that the two areas have attained their balance. Nanoparticles or solute concentrations in one sector are comparable to those in the other.
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Diagram shows genetic structures which label best describes the area Mark Y
The label that will best represents the area marked Y is DNA.
What is the structural bone of DNA molecule?The structural backbone of the DNA molecule is made up of two types of molecules called nucleotides, which are joined together by a sugar-phosphate backbone.
Each nucleotide consists of three parts: a nitrogenous base, a sugar molecule called deoxyribose, and a phosphate group. Adenine (A), guanine (G), cytosine (C), and thymine are the nitrogenous bases found in DNA (T).
The two strands of DNA are twisted together into a double helix shape, with the nitrogenous bases facing each other in the center and held together by hydrogen bonds. The sugar-phosphate backbone runs along the outside of the helix and provides structural support for the molecule. This arrangement of nucleotides and hydrogen bonds is what gives DNA its characteristic shape and allows it to store and transmit genetic information.
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What determines which cells act as targets for endocrine signals?
a.Those cells that are derived from the same embryonic tissue as the endocrine organ.
b.Those in the same area as the cells that release the hormone.
c.Those with receptors specific for the signaling molecule.
d.Those with a high density of CAMs.
Cells that originated from the exact similar embryonic tissue that comprises the endocrine organ are targeted by endocrine signals.
What is the term endocrine?A type of tissue known as the endocrin is responsible for producing and releasing hormones into the bloodstream, wherein they control the actions of many cells and organs. Endocrine tissues include, among others, the pituitary, thyroid, and adrenal glands.
How does the endocrine function in our body?The management of adult body functions, the act of reproduction, and childhood growth and development are all handled by the endocrine system. The endocrine system, which controls and regulates all of the body's essential functions and processes, is responsible for energy management and reproduction.
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