A mutation in a specific gene can be identified by a technique called Direct DNA sequencing. This is mostly used to recognize single base pair mutation.
The most accurate way to identify any gene mutation is through direct DNA sequencing, a sort of genetic testing. The precise order of the nucleotides along the chromosomes and genomes is determined in laboratories via DNA sequencing, a crucial biological technique. This technique enables the investigation of a wide range of diseases and genetic disorders as well as the identification of gene mutations.
The complete question is:
Which type of genetic testing is the most sensitive method for detecting any mutation in a specific gene? Select one:
a. Direct DNA sequencing
b. Immunohistochemistry
c. Fluorescence in situ hybridization
d. Banded chromosomal analysis
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Which of the following statement is true about asexual reproduction?
A
Only plants reproduce by asexual means
B
All multicellular organisms perform asexual reproduction
C
In asexual reproduction two different sexes are involved
D
Fertilization does not take place in asexual reproduction.
Answer:
D
Explanation:
The answer is D since fertizilation does not take place
Answer: correct answer is D
Explanation: Asexual reproduction is a type of reproduction that occurs without the involvement of two different sexes or fertilization.
In asexual reproduction, a single organism or cell divides to produce offspring that are genetically identical to the parent.
While some plants and many single-celled organisms reproduce asexually, not all multicellular organisms do.
For example, some animals, such as certain species of worms and lizards, can reproduce asexually.
fungi can fill all of these ecological roles except? group of answer choices pathogen primary producer symbiont decomposer
Fungi can fill all of these ecological roles except primary producer.
Fungi can fill all of these ecological functions except being a primary producer as they not produce their own food because they lack chlorophyll and therefore cannot be primary producers.
In the food chain, a primary producer is a pathogen that generates its own nutrition without having to rely on other organisms for energy. Primary producers extrapolate energy from sunlight, which they transform into chemical energy. Photosynthesis is the name given to this process.
The microbes that acquire their energy from other organisms are called consumers. All animals are consumers who consume other organisms. Fungi, as well as many protists and bacteria, are consumers.
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mitochondria in organisms in the clade have lost their genomes through the process of reductive (degenerative) evolution. these vestigial mitochondria are called .
Mitochondria in organisms inside the clade have lost their genomes via the technique of reductive (degenerative) evolution. these vestigial mitochondria are called Metamonada, mitosomes.
Mitochondria in organisms within the clade have lost their genomes via the process of reductive (degenerative) evolution. these vestigial mitochondria are called Metamonada; mitosomes.
Mitochondria are membrane-sure mobile organelles (mitochondrion, singular) that generate most of the chemical energy to power the cellular's biochemical reactions. Chemical energy produced through the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).
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Should potatos grow on trees, please answer with as many details as possible.
No, potato should not grow on trees.
Tubers, which are specialised roots that store nutrients, carbohydrates, and sugars, are what potatoes are.
In contrast to trees, which are woody, potato plants are herbaceous. They don't have the woody components that give trees their stiffness.
Water, nutrients, and carbohydrates are moved up and down the potato plant from the roots to the topmost leaves through the interior of the entire stem.
The cambium, or inner bark, is the only place where water, nutrients, and sugar are transferred in genuine trees. There is wood inside of this, toward the middle of the tree. The majority of this is cellulose, and even though it isn't growing, it keeps the tree from collapsing as it grows higher. The bark is located outside of the cambium and serves mostly as a barrier.
The wood, cambium, and bark in potato plants are absent.
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M protein, hyaluronidase, collagenase, and often a capsule, can be virulence factors for certain pathogenic strains of:
a.Mycobacterium
b.Streptococcus
c.Neisseria
d.Staphylococcus
e.Yersinia
M protein, hyaluronidase, collagenase, and often a capsule, can be virulence factors for certain pathogenic strains of Streptococcus. Correct answer: letter B.
This is because they allow bacteria to adhere to and penetrate the host's tissues, as well as help evade the host's immune response. While hyaluronidase, collagenase and capsule are components of the bacterial cell wall.
What is streptococcus bacteria?Streptococcus is a genus of bacteria that includes several species commonly found in the human body. These bacteria are spherical or ovoid in shape, and typically grow in chains or pairs. Many species of Streptococcus cause diseases in humans, including:
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planktonic organisms that spend part of their life in planktonic form, and the rest of their life as either benthos or nekton are called:
Planktonic organisms that spend part of their life as plankton and the rest as nekton are called meroplankton.
Plankton are microorganisms that are found living in waters and are a source of food for other animals. Based on the life cycle of plankton can be divided into two, namely holoplankton and meroplankton.
Meroplankton is an aquatic organism that is part of its life cycle is planktonic and is the most critical phase because it has not been able to escape from predators. These organisms become plankton only when they become eggs and larvae, then they will become marine biota, namely nekton or benthos. Nekton are animals that can swim actively and freely and benthos are organisms that live attached to the seabed. Because only part of their life becomes planktonic, meroplankton are often referred to as semiplankton organisms.
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water takes up ______ space as a liquid than it does as solid
Water takes less space as a liquid than it does as solid. As a solid, water has more volume than as a liquid. The water molecules in the solid are an open cage-like form by the hydrogen bonds in the water.
Which occupies more room, a solid or a liquid?With the exception of water, most liquids contain particles that are larger while they are liquid than when they are solid. Liquids allow their constituent particles to move and slide past one another.
What is the name for both solid and liquid?The term "non-Newtonian fluids" applies to them. The amusing name of this material derives from the Dr. Seuss novel Bartholomew and the Oobleck.
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what is the connection between the order the units come in on the dna/rna and the order the amino acids come in?
The sequence of entry of DNA/RNA becomes the sequence of entry of amino acids for proteins.
Protein synthesis is the process of converting amino acids into proteins with the help of DNA. After the RNA is formed from the transcription of DNA, the RNA will be translated into the amino acids that make up the protein.
In the formation of proteins, DNA is a code that instructs cells to produce certain proteins in the order of RNA. The coding sequence is then translated into an amino acid sequence via tRNA which is an adapter for the addition of amino acids to the end of the polypeptide chain. So the order of entry of DNA becomes the order of entry of amino acid units.
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clonal selection question 10 options: a) happens only when b cells become plasma cells. b) happens only with b cells that produce ige. c) affects only memory cells. d) occurs with both t cells and b cells.
Clonal selection occurs with both T cells and B cells.
Define clonal selection.
To respond to infections, the body creates B and T cells through a process known as clonal selection. These cells can recognize particular viruses because they each have a different set of receptors. The B and T cells that can identify the intruder grow quickly to produce an army of cells to combat the infection when it enters the host.
Random mutations during clonal expansion result in the development of B cells with higher antibody-binding affinity for their antigens during clonal selection. Secondary immune responses are so successful at preventing reinfection by the same pathogen, which may be explained by the clonal selection hypothesis.
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the pulmonary artery, which connects the heart to the lungs, is 8.5 cm long and has a pressure
The Pulmonary artery, which connects the lungs to the heart, is 8.5cm long and has a pressure difference over this length of 450 Pa.
A pulmonary artery is a pulmonary circulation artery that transports deoxygenated blood from the right side of the heart to the lungs. The major pulmonary artery or pulmonary trunk from the heart is the biggest, and the smallest are the arterioles that go to the capillaries that surround the pulmonary alveoli.
The pulmonary arteries are blood vessels that transport venous blood from the right ventricle of the heart to the pulmonary microcirculation. In contrast to other organs where arteries deliver oxygenated blood, the blood delivered by the pulmonary arteries is deoxygenated since it is venous blood returning to the heart. The primary pulmonary arteries arise from the right side of the heart and then divide into smaller arteries that gradually divide and form arterioles before narrowing into the capillary microcirculation of the lungs, where gas exchange takes place.
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phase of mitosis in which the chromosomes separate and move to opposite ends of the cell
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP -will give points
Answer:
1. Interphase
2. Chromatin
3. Chromosomes
4. The equatorial plane
5. Anaphase
6. Cytokinesis
7. nucleolus
8. Interphase
9. The centromere of each pair of sister chromatids
10. Prophase
the ________ is a flagellated cell that sweeps water through a sponge's body.
The choanocyte is a flagellated cell that sweeps water through a sponge's body.
Choanocytes( or' collar- cells'), are grouped within chambers. They're the main' pumping stations' for sponger survival. These collar cells have a bitsy central hair- suchlike scourge( flagellum) that laboriously beats to produce a water current.
The abecedarian element of the suite of cells in a sponger body is the choanocyte. Choanocytes are the cells that line the spongocoel and conduits of poriferans. They retain flagella and the collaborative movement of flagella pollutants the nutrients out from the water.
Choanocytes are specialized cells that have a single flagellum girdled by means of a net- suchlike collar of microvilli. Choanocytes join together to produce the choanoderm, where they perform their main functions. The first is to produce a inflow of water and the second is to capture food particulars as they pass through these cells.
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How do you identify and address any ethical, social, or environmental issues related to the classification of organisms?
Identifying and addressing ethical, social, or environmental issues related to the classification of organisms begins with understanding the history of species classification and its various implications.
What is classification of organisms?Classification of organisms is the process of assigning organisms to categories based on shared physical or biological characteristics. This process is used to group and organize organisms into a hierarchical system of classification, with each level being more specific than the last. This system of classification is based on the scientific method, and is used to help scientists study and understand the natural world. Classification of organisms is a key part of the scientific field of taxonomy, and is essential for understanding the diversity of life on Earth.
This includes evaluating the impact of classifying organisms into taxonomic groups and understanding the biases that may have been introduced by taxonomists in the past. It is also important to consider the ethical implications of how species are classified and how this classification can affect conservation efforts and the social and cultural implications of classifying certain organisms as “invasive species” or “pests.” Acknowledging and understanding these issues is the first step in developing an ethical and socially responsible approach to the classification of organisms.
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you perform an experiment by incubating a radiolabeled nucleotide into the medium of a culture of cells. the cells that take up the radiolabel would be expected to be in what phase of the cell cycle?
Cells are now actively replicating, and the radiolabeled nucleotide is integrated into newly formed DNA during this stage.
The nuclear DNA is duplicated while the cell grows during interphase. The mitotic phase comes after interphase.
The duplicated chromosomes are separated and distributed across daughter nuclei during the mitotic phase. Typically, the cytoplasm is also divided, giving rise to two daughter cells. The nuclear membrane vanishes, the nucleolus vanishes, the mitotic spindle forms, and chromosomes become visible.
The centromere, a constrictive area of the chromosome, is where the two "sister" chromatids are linked. Spindle fibers that are attached to the centromere pull the sister chromatids to the opposing sides of the cell during cell division. Soon after, the cell divides into two daughter cells, each of which has the same DNA.
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describe the environment concerning the function of dna and protein in the early 1940s. what things are the most strikingly different from what we know now?
However, even by late 1940s, DNA had essentially replaced the widespread belief that the gene was a protein rather than a nucleic acid.
Because of the DNA's seeming simplicity in terms of chemistry, biologists had trouble embracing it as the genetic information in the 1940s. We previously understood DNA to be a lengthy polymer made up of just four distinct component kinds that are chemically similar to one another. DNA was initially investigated using x-ray spectral resolution, a method for figuring out the three-dimensional molecular structure of a molecule, in the early 1950s (discussed in Chapter 8). According to the preliminary x-ray diffraction findings, DNA is made up of two strand of the polymer coiled into a helix. One of the key hints that led to a Watson-Crick DNA's structure was the discovery that DNA was double-stranded, which was of significant relevance.However, even by late 1940s, DNA had essentially replaced the widespread belief that the gene was a protein rather than a nucleic acid. Only with the introduction of this paradigm did DNA's capacity for replication and The encoding of information becomes clear. This section looks at the architecture of the Dna strand & provides a broad explanation of how it may store genetic information.
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In addition to the pigments commonly associated with photosynthesis a certain photosynthetic species contains two additional pigment types .which of the following best supports the claim that the species is better adapted to environmental change than other photosynthetic species are?
The additional pigments allow the species containing them to harvest energy from wavelengths of light that the other photosynthetic species cannot use.
What is Photosynthesis Pigment ?A pigment that is found in chloroplasts or in bacteria that can synthesise photosynthetic material is known as a photosynthetic pigment.
Chlorophyll is the most widely distributed pigment in photosynthesis plants. These pigments are chelated forms of cyclic tetrapyrroles.
The three types of pigments that are present as leaves age chlorophylls, carotenoids, and anthocyanins will be represented structurally in more intricate diagrams.
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What is an astronomical unit (AU)?
the diameter of the Sun
the radius of the Sun
the average distance between Earth and its moon
the average distance between Earth and the Sun
Answer:
An astronomical unit (AU) is the average distance between the Earth and the Sun, which is approximately 93 million miles or 149.6 million kilometers. It is used as a standard unit of distance in the field of astronomy.
Answer:
d
Explanation:
FILL IN THE BLANK. a photoautotrophic unicellular organism with a shell made of silica is most likely a(n) ______.
A photoautotrophic unicellular organism containing a shell made of silica is most likely to be a diatom.
Photoautotrophic refers to the organism who can make their own food in the presence of sunlight energy. This process of synthesizing food is called photosynthesis. The example of such organisms is plants, some bacteria and fungi.
Diatom refers to the unicellular organisms that eukaryotic. They are algae that belongs to the Division Chrysophyta. These are the organisms found in the oceans and form an important part of the phytoplankton. These are majorly known for forming the diatomaceous earth after they are fossilized in the earth.
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a 5-year old dog weighing 30lb presents for urinary problems. the urine output for this animal is 625ml of urine in a 24 hours period. which term properly identifies this situation?
A 30-pound 5-year-old dog appears with bladder difficulties. This animal's pee output during a 24-hour period is 625ml. The correct term for this situation is oliguria.
Oliguria is described as having a urinary output of less than 400 ml per day or less than 20 ml per hour, and it is one of the first indicators of compromised renal function.
It was mentioned early in the literature when Hippocrates recognized the predictive significance of urine flow.
Oliguria is defined as a urine output of less than 1 mL/kg/h in babies, less than 0.5 mL/kg/h in children, and less than 400 mL or 500 mL per 24 hours in adults (equivalent to 17 or 21 mL/hour). For an adult weighing 70 kg, this equates to 0.24 or 0.3 mL/hour/kg. However, the value of 0.5 mL/kg/h is also often used to characterize oliguria in adults.
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__act as biological catalysts allowing reactions to occur at the rate necessary
Answer:
Enzymes.
Explanation:
According to Britannica.com, an enzyme is "a substance that acts as a catalyst in living organisms, regulating the rate at which chemical reactions proceed without itself being altered in the process."
these factors are directly responsible for the survival of a organism. they include water, shelter, space, and food and can all run out if being used by too many individuals.
Limiting factors, These elements directly contribute to an organism's ability to survive. They include food, water, shelter, and space, all of which can run out if they are used by too many people.
What is meant by the variables that affect an organism's capacity for survival, adaptation, and reproduction?While fitness refers to the ability to withstand (only the fitness organisms) all environmental conditions in order to survive and reproduce, it is also known as survival of the fittest. Adaptation is the process by which living organisms adapt themselves to live and reproduce in all environmental conditions.
What are the elements that can sustain an organism's needs?The factors of space, food, oxygen, and water are restrictions. The climate of an ecosystem is influenced by temperature and precipitation, which has an effect on the kind of creatures that may survive there. A population cannot be supported indefinitely by an ecology.
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look at the picture please help !
Noncompetitive inhibition is binding of inhibitor to enzyme at a position other than active site, whereas competitive inhibition is binding of inhibitor to enzyme's active site.
What is an easy way to define enzyme?Enzymes are usually proteins that acts likes a biological catalyst. It quickens a particular internal chemical process in the cell. The enzyme is not degraded during the operation and is used constantly.
What is an enzyme's purpose?The chemical reactions, or metabolism, of our bodies are sped up by proteins known as enzymes. Some compounds are created, while others are broken down. Everything that is alive contains enzymes.
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tissue detects stimuli, transmits information in the form of electrical signals throughout the body, and interprets the information.
Nervous tissue is the answer. The nervous tissue picks up sensations, sends information throughout the body via electrical signals, and interprets that information.
Nerves, the spinal cord, and the brain all include nervous tissue. Your nervous system's neurons are the cells that send and relay impulses using both electrical and chemical signals. The primary component of each neuron is called the cell body. Excitable and able to transmit and receive electrochemical signals that convey information to the body, nervous tissue is described as such. The neuron and the neuroglia are the two basic groups of cells that make up nervous tissue.
Thus, we might conclude that the nervous tissue is the answer. The nervous tissue detects sensations, transmits information via electrical signals throughout the body, and interprets that information.
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cells transplanted from the neural tube of a frog embryo to the ventral part of another embryo develop into nervous system tissues. this result indicates that the transplanted cells were:_____.
Cells transplanted from the neural tube of a frog embryo to the ventral part of another embryo develop into nervous system tissues. this result indicates that the transplanted cells were: determine
It has been found that cells transplanted from a frog embryo's neural tube to another embryo are tissues of the nervous system.
An immature cell that is predestined to differentiate and divide into particular tissue types to produce particular particular organs is referred to as a determined cell. In whatever setting, these decided cells would differentiate into their distinct cell type.
The growth of nervous system tissues from the transplanted neural tube therefore points to the neural tube's specified nature.
The critical areas of the frog brain are analogous to those areas of the human brain.
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38. All minerals
a. Form crystals b. Are inorganic c. Form naturally d. All of these
(Option D) All minerals has all the characteristics mentioned in the options.
Minerals are inorganic solids that exist in nature and have a distinct chemical composition and crystal lattice structure.
what are Minerals?A mineral or mineral species is, broadly speaking, a solid chemical compound with a very well-defined chemical composition and a particular crystal structure that happens to occur naturally in pure form in geology and mineralogy.
A mineral is an inorganic solid that occurs in nature and has a specific chemical composition and organized internal structure.
Types of mineralssome of the major types of minerals are:
Native elements. eg. Gold, Silver, Mercury, graphite, diamond.Oxides. eg corundum (incl. sapphire), hematite, spinel.Hydroxides. eg. Goethite, brucite.Sulfides. eg. Pyrite, galena, sphalerite.Sulfates. eg. Baryte, gypsum.Carbonates. eg. Calcite, magnesite, dolomite.Phosphates. Halides.learn more about minerals here
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An illustration of how a particular DNA mutation will most likely affect the polypeptide produced is shown. (Original DNA strand) GTAGTAGTAGTAGTAGTAGTA (Mutated DNA strand) GTAGTAGTAGGAGTAGTAGTA. What type of mutation is illustrated? A insertion B Translocation C Substitution D Deletion
when does the loss of an immune-system gene associated with an inherited immunodeficiency disease usually not pose a serious consequence?
It won’t have an effect if a compensatory function is provided by another member of the multigene family.
What do you mean by Immune system gene?
The immune system is a sophisticated and complex mechanism, but its goal is to find and eliminate invaders. A person's mortality from an infection by a virus, bacteria, fungus, or parasite will happen if they were born with a seriously compromised immune system. Lack of an enzyme causes toxic waste to accumulate inside immune system cells in severe combined immunodeficiency, killing them and severely weakening the immune system.Hence, in any e.disorder or disease if the gene is missing which is the ultimate cause of that particular disease, then the compensatory function must be provided by the other member of the same family of gene to not to pose any serious consequenc
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the factor required for growth of a plant or phytoplankton that is available in the least supply is defined as
The factor required for growth of a plant or phytoplankton that is available in the least supply is defined as Limiting factor.
The foundation of the marine food chain, phytoplankton fix over 50 Pg of carbon annually, or about half of the world's CO2 emissions. As a result, these tiny, photosynthetic creatures play a crucial role in regulating the amount of CO2 in the atmosphere and the climate of Earth. Due to phytoplankton's need on sunlight, its ability to repair CO2 is only possible in the upper, sunlit surface of the ocean (that is, the euphotic zone). Due to the high concentration of CO2 in saltwater, phytoplankton development is typically not restricted. Inorganic nutrients including inorganic nitrogen, phosphorus, iron, and/or silica, which are essential for primary production in the ocean, are, however, deficient in the great majority of the surface waters.
Growth of phytoplankton is primarily maintained by nutrient recycling or by the mixing-in of nutrients from deeper waters. However, only a small portion of primary production is supported by "external" or "new" nutrients, and it is the amount of carbon that can be permanently stored in the deep ocean as a result of these nutrients.
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A mycologist studying an organism in the Deuteromycota group would find all the following except:
a. cell walls with chitin
b. a nucleus
c. zygospores
d. absorptive nutrition
e. asexual spores
Answer:
Answer: B. a nucleus
Explanation: