The transpiration pull is due to the negative pressure potential that causes water to move up through the xylem that begins at the surface of mesophyll cells.
Transpiration is the process in which the water travels through the plant and evaporates through the open surfaces of plant like stem, leaves or flowers. Stomata is the main component in the leaves and stem that causes transpiration.
Negative pressure potential arises due to high content of solutes in any cell. The top of any plant is high on solutes while the bottom or root part has optimum amounts of water. This is the reason why the abundance of solute and negative pressure potential causes the water to rise up.
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an autosomal dominant disease in which patients lack the plasma factor that mediates platelet adhesion is called:
Von Willebrand disease is an autosomal dominant condition in which patients lack the plasma component necessary for platelet adhesion.
What autosomal illness is the most prevalent?
One of the most prevalent hereditary single gene diseases in Caucasians is cystic fibrosis. One in every 2500 Caucasian infants is born with CF, and one in every 25 Caucasians with a northern European ancestry possesses the CF gene.
What are autosomal dominant and recessive diseases?Autosomal Dominant Condition
A child who inherits a dominant allele from a parent who has an autosomal dominant condition has a 50% probability of developing that ailment as well. A mutated gene must exist in two copies (one from each parent) for an autosomal recessive disorder to manifest.
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ssuming kelly did have a bacterial infection when she went to the urgent care center, what would her likely antibody isotypes and general titer profiles possibly have looked like compared with those of an immunocompetent patient? please select all applicable answer choices. there may be more than one correct answer.
Kelly's IgE antibody titers would be slightly greater than they were at baseline, but they would be much lower than they would be in an infected person.
Which of the above situations represents a primary immunodeficiency?Agammaglobulinemia, a hereditary disorder that causes lowered antibody production, affects your patient from birth. the immune system attacking healthy self-tissues that should typically be left alone, leading to chronic diseases. Proteins are a less rich source of energy than fats since fats are highly reduced molecules.
What are three primary immune response instances?In vitro primary immune responses demand a highly immunogenic antigen. Hemocyanin, ovalbumin, and sheep erythrocytes are a few examples of substances that have proven effective for investigating various immune response-related topics in vitro as opposed to certain antigen-related subjects.
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what is an euglena draw and label it
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the acacia ant gains shelter and nutrients from the acacia plant. in turn, it protected the plant from predators. this is an example of .
The acacia ant gains shelter and nutrients from the acacia plant. In turn, it protected the plant from predators. This is an example of defensive mutualism.
In shielding mutualism, one companion gets meals and refuge and in return, it facilitates the companion via way of means of protecting in opposition to the herbivores or predators or parasites. For instance The aphids and the ants.
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After a substrate binds to an enzyme,
A. the substrate and enzyme are joined permanently.
B. the enzyme can start the process again once the products are released.
C. the enzyme cannot be used in the process again.
D. the enzyme is destroyed in the chemical reaction.
a silent mutation occurs when the nucleotide changes, but the resulting amino acid is the same. the protein that is made from this new dna will have no functional difference from the original. what if a mutation occurred in the human insulin gene and the first triplet was changed to c c g? is this a silent mutation? explain how you know.
Yes, it is a silent mutation even if the amino acids are the same even when the first triplet is changed to CCG.
Silent mutations, which can be either substitutional or point mutations, occur when the amino acid sequence is unaffected by a change in the DNA sequence of the gene. The protein produced from this additional DNA won't operate any differently than the original protein. As an illustration, AAA (which codes for the amino acid lysine, Lys) can change to AAG (which also codes for Lys). As CCG codes for proline, the Amino acid remains the same even when the sequence of bases is altered.
Two chains, often referred to as A and B and each having 21 and 30 amino acids, make up the 51 amino acids that make up human insulin. Three disulfide bridges connect the chains.
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which statements about euchromatin and heterochromatin are correct? heterochromatin is less condensed than euchromatin. the majority of transcription takes place on euchromatin. most genes are present in heterochromatin. euchromatin undergoes condensation and decondensation throughout the cell cycle. euchromatin largely consists of repeated sequences.
The statements about euchromatin and heterochromatin are correct as the majority of transcription takes place on euchromatin and heterochromatin is less condensed than euchromatin as well as euchromatin undergoes condensation and decondensation throughout the cell cycle. Thus, option A, B, and D are correct.
What is euchromatin?The term euchromatin has been considered as the part of chromosomes which are loose in the form and are involved in the transcription process because these are available for the transcription into specific protein products. On the other hand, heterochromatin has been considered as the region of chromosomes that appears dark in staining process.
This region has transcriptionally inactive because of the DNA template in the DNA-protein complexes and which means that genes present in the region are not active and not involved in the process of transcription.
Therefore, The statements about euchromatin and heterochromatin are correct as the majority of transcription takes place on euchromatin and heterochromatin is less condensed than euchromatin as well as euchromatin undergoes condensation and decondensation throughout the cell cycle. Thus, option A, B, and D are correct.
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Organisms that live in desert and desert-scrub biomes have developed unique adaptations that aid in their survival. coyotes are crepuscular desert mammals that grow to be approximately three feet tall and weigh between 20 and 50 pounds when full-grown. how does being crepuscular help enable the coyote to survive the heat of the desert? a. it is only active at dawn and dusk b. it is only active at noon c. it is only active at night d. it is only active in the morning please select the best answer from the choices provided a b c d
Answer:
A.
Explanation:
One kind of plasmid in bacteria is called an r plasmid. What kinds of genes are typically present on such plasmids?.
These plasmids frequently contain genes that are resistant to antibiotics.
Photo of An r plasmid is one of the plasmid types found in bacteria. Which types of genes are usually found on such plasmids? .tra genes are found in fertility F-plasmids. They have the capacity for conjugation, which causes the expression of sex pili. plasmids called "resistance" (R) carry genes that make organisms resistant to toxins or antibiotics.
R plasmids: what are they?photo of An r plasmid is one of the plasmid types found in bacteria. What types of genes commonly exist on such plasmids. Many bacterial strains contain plasmids, an extrachromosomal genetic component.
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To calculate an allele frequency, you should divide the number of copies of that allele by the?.
An allele frequency is calculated with the aid of using dividing the range of instances the allele of hobby is located in a populace with the aid of using the entire range of copies of all of the alleles at that unique genetic locus cell the populace.
An allele frequency is calculated with the aid of using dividing the range of instances the allele of hobby is located in a populace with the aid of using the entire range of copies of all of the alleles at that unique genetic locus withinside the populace. Allele frequencies may be represented as a decimal, a percentage, or a fraction.
The general range of dominant A alleles in our populace equals 600, that's the sum of: - the range of AA people instances 2 (the range of A alleles in keeping with individual) = one hundred eighty x 2 = 360 - the range of Aa people (instances 1, the range of A alleles in keeping with individual) + 240 600 The general range of all alleles of the gene ...
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Which part of the dna model is most directly associated with the coding of genetic information.
Nucleotide is referred to as the part of the DNA model which is most directly associated with the coding of genetic information.
What is DNA?This is referred to as deoxyribonucleic acid and it is the genetic material of most living organisms and it ensures that traits are passed from the parent to the offspring.
The nucleotide is present in it and consists of different compounds such as sugar molecule such as deoxyribose, a phosphate group and a nitrogen-containing base. This part is where the coding of genetic information takes place during reproduction thereby making it the correct choice.
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during your fetal pig dissection you discover an extremely long tubular organ that is associated with a dense network of vascular tissue. the organ most likely is the . group of answer choices large intestine stomach small intestine esophagus
The extremely long tubular organ you discover during your fetal pig dissection that is associated with a dense network of vascular tissue is most likely the small intestine.
The small intestine is the longest segment of the gastrointestinal tract, which is the long, continuous pathway through which food travels in your digestive system. Food is broken down into liquid in the small intestine, where the majority of its nutrients are absorbed. The waste is then transferred to the large intestine.
A fetal pig dissection is useful for anatomy studies because the organs are easy to find and identify due to their size.
The small intestine is by far the longest section of the gastrointestinal tract, measuring approximately 22 feet in length. The lining of the small intestine has a large surface area that has been scrunched into folds and peaks. Many layers of tissues and muscles line the tube. Nerves, blood vessels, immune cells, and lymphatic glands are all found in the tissues.
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Which of the following is not a basic feature of a map?
O title
O scale
O legend
O fault line
Answer:
d) Fault line
Explanation:
Fault line is not a basic feature of a map. The basic features of map are title, scale, legend, etc. Hence, option (d) is correct.
dinitrophenol (dnp) is an uncoupler that makes the inner mitochondrial membrane leak protons (h ) . it was used until 1938 as a weight-loss drug. why do you think this might be an effective weight-loss drug?
DNP poisoning prevents the electron shipping chain from developing a proton gradient and prevents ATP synthase from generating ATP. DNP decouples ATP production, making it a mighty weight-reduction plan drug.
Adenosine triphosphate is used and saved as electricity on the cell level (ATP) Adenine, ribose, and 3 serially certain phosphate corporations make up the shape of ATP, that's a nucleoside triphosphate.
The 3 succeeding processes—glycolysis, tricarboxylic acid cycle (TCA or Krebs cycle), and ultimately oxidative phosphorylation—catabolize glucose, that's frequently the number one electricity supply for cell metabolism, to make ATP.
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Which recombination frequency corresponds to perfect linkage and violates the law of independent assortment?.
The frequency at which the law of independent assortment is broken is 0.50, which corresponds to perfect linkage.
To what genotype does XXY correspond?The Klinefelter syndrome type associated with the XXY genotype results in phenotypically male individuals with tiny testes, larger breasts, and reduced body hair. There are more severe varieties of Klinefelter syndrome where the number of X chromosomes can reach five.
How do XXY and XYY work?Genes found on chromosomes are responsible for traits like eye color and height that are unique to each person. Boys typically have one X and one Y chromosome, or XY, but those with XYY syndrome have an additional Y chromosome, or XYY.
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The two strands of a dna double helix are antiparallel. This means that __________.
Two strands of DNA double helix are said to be anti-parallel which means that while one of the strands runs in the 5'→3' direction, the other one runs in the opposite direction, i.e. 3'→5' direction.
The anti-parallel nature of the two strands in a DNA double helix simply means that if one strand has the polarity 5'→3' then the other exhibits opposite polarity, i.e. 3'→5'. The DNA double helix model was put forward by Watson and Crick in the year 1953 which was based on the X-ray diffraction data generated by Maurice Wilkins and Rosalind Franklin. The DNA molecule is made up of two strands that are joined together with the help of Hydrogen bonds.
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What hormone is responsible for the fight or flight response in the alarm stage of a stress response?.
Answer: The answer to that would be epinephrine (also known as adrenaline).
Explanation: I hope this helps!!!!
5. Energy flow in _____________ direction, and matter _______________ through the environment. Chemical, even, ATP, one, ix, carbon dioxide, radiant, bacteria, cycle
Energy flow in one direction and matter recycles through the environment.
What is an Energy?
The study of energy and energy transfer involving physical matter is referred to as thermodynamics. The matter relevant to a specific case of energy transfer is referred to as a system, and everything outside of that matter is referred to as the surroundings.
According to the first law of thermodynamics, the total amount of energy in the universe is constant and conserved. In other words, the universe has always had and will always have the same amount of energy.
Kinetic energy is the energy associated with moving objects. Kinetic energy is present in a speeding bullet, a walking person, and the rapid movement of molecules in the air.
The energy used to lift the wrecking ball did not vanish; instead, it is now stored in the wrecking ball due to its position and the force of gravity acting on it. This is referred to as potential energy.
Chemical energy is the type of potential energy that exists within chemical bonds and is released when those bonds are broken. Chemical energy is responsible for supplying energy from food to living cells. When the molecular bonds within food molecules are broken, energy is released.
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A characteristic found in all the organisms in a clade that also appeared in the extinct common ancestor is an example of.
A derived character is one that is shared by all the species in a clade and also existed in their extinct common ancestor.
What is a good illustration of a characteristic?
The distinctive qualities or traits of anything are its characteristics. Consider traits as the attributes that set one object or a person apart from another. The chameleon, for instance, is known for its capacity for camouflage.
What term best describes a Characteristic ?
The words distinct, unique, and strange are some popular synonyms for characteristic. While all of these terms refer to "identifying a special quality or identity," the term "characteristic" refers to something that sets an individual, item, or class apart from others.
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Canis lupus (wolf), canis latrans (coyote), and canis familiaris (domestic dog) are examples of dog-like animals. Canis refers to the genus, while lupus, latrans, and familiaris all refer to different species within the genus. What kind of naming scheme is this?.
Binomial nomenclature is the naming system that is mentioned in the question.In the biological system used to name organisms, the name is made up of two components.
Here, the first term illustrates the genus of the creature, while the second term illustrates the species.As a result, Canis in the question refers to the genus, while Lupus, Latrans, and Familiaris are used to denote the species.Therefore, binomial nomenclature, option d, is the appropriate response.In addition to the traits of the species in which they are found, these groupings also have unique morphological traits that set them apart from one another.The Canis lupus species, which includes both dogs and wolves, is a zoological subspecies.In addition to significant physiological and anatomical distinctions, the domestication process that gave origin to dogs is mostly to blame for this division into subspecies.As a result, we can infer that dogs belong to a subspecies of wolves called Canis lupus familiaris, where “familiaris” refers to domestic dogs. Canis lupus is the species that includes both dogs and wolves.
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During replication, the strands of a double-stranded dna molecule separate from each other when bonds are broken between their.
When bonds are broken between their phosphate groups, the strands of a double-stranded DNA molecule separate from each other.
What is DNA replication?
DNA, as we know, is a self replicating structure.
During replication of DNA, the DNA produces multiple copies of itself. DNA replication is a biological polymerization.
The reactions are enzyme catalyzed. The main enzyme is DNA Polymerase in the replication process.
It involves the steps initiation, elongation, and termination.
Initiation: initiation is the point at which replication begins. A region called the origin of replication is where it initiates. After spotting the origin, unwinding of the two DNA strands occurs. Elongation: after separation of the strands, the polymerase enzymes start synthesizing the complementary sequence in each strand. The parental strands are a template for the newly synthesising daughter strands. Elongation is always unidirectional i.e. DNA always polymerizes only in the 5′ to 3′ direction. Termination: termination is different in different organisms.Therefore, when bonds are broken between their phosphate groups, the strands of a double-stranded dna molecule separate from each other.
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Which period did the sheep numbers in the us stabilize due to 5-6 million due to ewe lab retention programs?.
The sheep population in the US stabilized between 1996 and 2000 at 5–6 million as a result of ewe lab retention efforts.
Which of the following factors is included while figuring out carcass maturity?The top three thoracic vertebra (buttons), as well as the sacral and lumbar vertebra, can be used to determine the carcass's skeletal maturity. Additionally, consider the ribs' color and shape.
Which of the following traits is considered while assigning lamb quality grades?For ranking purposes, lamb carcass competitions frequently employ %BCTRC. Grade of Quality The carcass's tenderness, juiciness, and flavor are measured by quality grades, which are also known as classifications. Three elements—maturity, flank streaking, and conformation—are used to establish the final quality grade.
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Why is it important for the surface area-to-volume-ratio of exchange surfaces to be maximized?.
Strong "driving forces" help to hasten thermodynamic processes that reduce free energy when there is a high surface area to volume ratio.
How significant is the surface area to volume ratio for drug exchange?All areas of the cell are easily accessible, and substances can diffuse in and out at a high rate. Larger creatures need transport mechanisms to carry chemicals, like oxygen, around the body to where they are needed because of their lower surface area: volume ratio.
Why is it critical that exchange surfaces have more surface area?
The area across which gases and other materials can be carried into and out of the organism via diffusion and active transport is expanded as a result, which is favorable. A gas exchange surface illustration with a large SA: volume ratio is the alveoli.
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Multicellular organisms generally utilize more complex gene regulation than unicellular organisms via mechanisms that include?.
Multicellular organisms generally utilize more complex gene regulation than unicellular organisms via mechanisms that include transcriptional repression and epigenetic modification.
Gene is the most basic factor of heredity that contains the genetic information for any trait/character. A gene is composed of two alleles. These genes are present on the chromosomes.
Epigenetic modification are the alterations in genes that are non-heritable. The sequence of the genes is not disturbed in this alteration. This means they cannot be passes on from one generation to another. However, these modifications can regulate the expression of genes. There are three types of genetic modifications: DNA methylation, histone modification, and noncoding RNA action.
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not all of the energy harvested during the chemical breakdown of food molecules is captured and stored in atp. what happens to the rest of the energy?
The rest of the energy harvested during the chemical breakdown of food molecules is released as heat.
Digestion is the process by which the molecules in a food are broken down and energy is made through these molecules in the form of ATP. As the breaking down of food is an exothermic process, hence heat is released during this process.
The excess energy that is harvested from the breakdown of food is stored inside the body so that it can be utilized whenever needed. The rest of the energy is lost as heat as the process of breaking down of food is an exothermic process.
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In eukaryotic cells the default position of most genes is 'off', (they're not expressed). Explain why?
As a result of histones covering the majority of the DNA and thus preventing RNA polymerase interaction, most genes in eukaryotic cells are typically in the "off" state by default.
What is the cause of abnormal histones?Because the histones largely cover the DNA and block the polymerase and RNA binding, the transcriptional state of eukaryotic genes is off by default. The most prevalent protein in a cell is histones. They are in charge of the complex of DNA and proteins known as chromatin's creation. In eukaryotes, the histone proteins serve a variety of purposes, including cell division and development.
How do eukaryotic genes work?The proteins known as histones are in charge of keeping RNA polymerase from interacting with DNA. All eukaryotic cells are constructed from eukaryotic genes. They are in charge of a cell's whole life cycle and everything that takes place inside of it. They are in charge of transcription of lengthy nucleotide chains in DNA.
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Which normal meiotic event would be the most likely explanation for the mutation that causes williams syndrome?.
Cytokinesis is the meiotic event that would mostly cause Williams syndrome.
What is Williams syndrome?
Williams syndrome (Williams-beuren syndrome) is a rare genetic disorder. It is characterized by delays in growth before and after birth, varying degree of mental deficiency, short stature, and distinctive facial features that become pronounced with age.
The syndrome can be usually identified when the child is a baby or during early childhood.
Williams syndrome occurs due to loss/ deletion of genetic material of specific part of chromosome 7. There are 25 to 27 genes in the deleted region, and many believe that the loss of many of these genes is what contributes to the characteristic features of the syndrome.
A person with Williams syndrome is usually overfriendly, highly sociable, empathetic, with some anxiety relating to social events.
Therefore, Cytokinesis is the meiotic event that would mostly cause Williams syndrome.
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motor development reflects an interaction between maturation and environment in which the infant acquires increasingly complex of action.
Motor development reflects an interaction between maturation and environment in which the infant acquires increasingly complex Dynamics of action.
Motor development is change in children's capability to handle their body's movements, like spontaneous waving and kicking movements , locomotion and other important skills these are complex dynamics of action .
Motor skills and motor controls begins when the child is born and continue until the child is capable of doing everything . from walking to lifting weight , writing. A good motor skill is very essential for children over all development .
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The smallest number of clones that represents the entirety of the genome are called what?.
Why do neural cells have different characteristics than skin cells?.
Explanation: Different genes are expressed in neural than in skin cells.
