If the rate of [tex]CO_{2}[/tex] is the same as the rate of [tex]O_{2}[/tex], the photosynthesis and cellular respiration are said to be at equilibrium where they achieve the compensation point.
The point on the light curve when photosynthesis and respiration occur at the exact same rate is known as the (light) compensation point. The early mornings and late evenings are when this point is achieved. While photosynthesis is mostly dependent on the amount of sunlight, respiration is rather constant.
The point on the light curve when photosynthesis and respiration occur at the exact same rate is known as the compensation point. At this moment, the intake of [tex]CO_{2}[/tex] by photosynthesis routes and the respiratory release of [tex]CO_{2}[/tex] are perfectly matched, just as the uptake of [tex]O_{2}[/tex] by respiration and the photosynthetic release of [tex]O_{2}[/tex] are perfectly matched.
At this compensation point, the plant neither produces nor consumes biomass, and thus they are said to be at equilibrium.
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which statement describes emphysema?
The statement which describes emphysema is A disease of the airways characterized by destruction of the walls of overdistended alveoli.
A type of chronic obstructive lung illness is emphysema (COPD). In emphysema, the walls of the overextended alveoli are destroyed, which impairs the exchange of oxygen and carbon dioxide.
A prolonged inflammatory reaction may cause disruption of the parenchymal tissues, which is what is meant by the pathological term "emphysema," which defines an abnormal distention of the airspaces beyond the terminal bronchioles and loss of alveolar walls. Airflow blockage is a common symptom of asthma. When sputum and cough are produced for at least two to three months at a time throughout the course of two years, it is considered to be bronchitis. A bronchus or bronchi will enlarge over time if you have bronchiectasis.
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The complete question is :
Which statement describes emphysema?
a. A disease of the airways characterized by destruction of the walls of overdistended alveoli
b. A disease that results in reversible airflow obstruction, a common clinical outcome
c. Presence of cough and sputum production for at least a combined total of 2 to 3 months in each of two consecutive years
d. Chronic dilatation of a bronchus or bronchi
in posthyperventilation apnea (phva), respirations stop after hyperventilation followed by the return of rhythmic breathing. what stimulus causes the hyperventilation?
The reason of the hyperventilation is an anxiety or panic stimuli.
How and why does hypoventilation occur?A state of diminished or insufficient ventilation is referred to as hypoventilation. Hypoventilation can be caused by a variety of things. However, problems of the respiratory muscles, diseases of the neural system, or depression of the central nervous system are the main causes of hypoventilation.
What is the potential trigger for hyperventilation?The most frequent causes of this syndrome are worry, panic, jitters, or stress. A panic attack is a common shape that it takes. Bleeding is one of the other causes.
What occurs physically when someone is hyperventilating?Hyperventilation is characterized by breathing that exceeds the body's metabolic requirements, expelling more carbon dioxide than is produced and, as a result, leading to respiratory alkalosis and a raised blood pH.
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one difference between gram-postive and gram-negative bacteria is
Gram-positive bacteria have more peptidoglycan in their cell walls.
Each cell in a plant is enclosed by the cell wall, a complex extracellular matrix. In 1663, Robert Hooke was able to recognize and name cells for the first time thanks to the thick cork cell walls that were visible in a crude microscope. The extracellular matrix created by animal cells is typically thinner, weaker, and—most importantly—less rigid than the walls of adjoining plant cells, which are cemented together to form the entire plant (Figure 19-68). Early plant cells lost the capacity to crawl and instead adopted a sedentary lifestyle that has survived in all living plants today by creating relatively hard walls that can be as thick as many micrometers.
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CHOOSE THE CORRECT STATEMENT:
A. Open systems have no interactions with other systems.
B. Open systems exchange energy with other systems.
C. Open systems are not normal in nature.
D. Open systems are isolated from other systems.
A system that interacts with the outside world is an open system. These interactions can involve the transfer of information, energy, or materials into or out of the system border. Thus, option B is correct.
What are the properties of open system?Open systems have the potential to function with other systems due to their interoperability and portability, which allow them to be utilized in a variety of situations.
Open systems also make their source code available for learning, modification, and enhancement.
Information, energy, or substances may be transferred into or out of the system border during these exchanges.
Therefore, Open systems exchange energy with other systems.
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Write down the example of bacterial motility?
A bacterium moving towards a food source is an example of bacterial motility.
Bacterial motility refers to bacteria's capacity to move autonomously utilizing metabolic energy. Most of the motility mechanisms that emerged in bacteria also evolved in archaea. Bacterial locomotion, or motility, is an essential feature. Bacterial motility is classified into three types: flagellar, spirochaetal, and gliding. Bacterial motility is believed to have a role in putting them in a niche rich in desirable nutrients, low in harmful or unwanted chemicals, or rich in protective sites. Bacterial motility is demonstrated by bacteria migrating towards a food source. A high cost is frequently matched by a large reward, implying that cell mobility is critical for survival. The ultimate benefit of bacterial motility is that it permits a cell to more efficiently store necessary resources in a competitive environment.
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what is electrophoresis
Answer:
Electrophoresis is a laboratory technique used to separate DNA, RNA or protein molecules based on their size and electrical charge.
Explanation:
Answer:
Electrophoresis is a laboratory technique used to separate DNA, RNA or protein molecules based on their size and electrical charge.
Explanation:
An electric current is used to move the molecules through a gel or other matrix.
What methods of prenatal diagnosis carries the least amount of risk to a developing fetus?
Aggressive prenatal testing Through a vaginal or abdominal puncture to get access to the amniotic cavity, invasive prenatal diagnostic methods directly study fetal cells.
This suggests a slight risk of fetal harm or gestational loss, even though it is currently less than 1%. Prenatal diagnostic made before birth are referred to as prenatal. Your doctor can use it to check for issues with your unborn child. Prenatal diagnostic and chorionic villus sampling are the two major procedures (CVS). Before birth, these tests can help identify genetic abnormalities. Some parents are more likely to have a child who has a genetic condition or another issue.
Abdominal puncture is an in internal medicine, the area where the umbilical cord and the anterior superior iliac spine converge most frequently is the site of a abdominal puncture.
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Rewrite the processes in order.
Dispersal / Fertilisation / Germination / Pollination / Growth of Seedling / Growth of Pollen Tube / Release of Pollen / Seed Production
The correctly ordered processes are: Dispersal→ Pollination→ Growth of pollen tube→ Release of pollen→ Fertilization→ Growth of seedling→ Seed production→ Germination .
Pollination is the process of transfer of pollen grains from the anther of a flower to the stigma of another or the same flower. The pollination can occur in same flower, or a different flower of the same plant or even in a different flower of some different plant.
Germination is the process of the development or the sprouting of seed, usually happens after a state of dormancy. During germination, the inactive enzymes stored within the seed become active and aid in the development of the plant.
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the head of the fibula articulates with the . the head of the fibula articulates with the . femur, patella, and tibia tibia femur patella
The head of the fibula articulates with the tibia.
The correct option is tibia.
what is the Fibula?The fibula said to be the long bone in the lower extremity that is positioned on the lateral side of the tibia. The fibula is way smaller and thinner than the tibia.
The Fibula is located just behind the tibial head at the knee joint and then runs down the lateral aspect of the leg until it reaches the ankle joint.
If the fibula is ruptured or fractured it heal with no much problems, but the following complications are possible:
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based on what you know about mrna, the transcript will include sequences just upstream of the start codon and just downstream of the stop codon. what are these upstream and downstream sequences known as?
Upstream and downstream in molecular biology both relate to the relative positions of genetic information in DNA or RNA. Due to the carbon location on the deoxyribose ring, each strand of DNA or RNA has two ends: the 5' end and the 3' end.
By convention, upstream and downstream refer to, respectively, the 5' to 3' and 3' to 5' directions in which RNA transcription occurs. The RNA molecule's downstream is located around the 3' end, while its upstream end is near the 5' end. In double-stranded DNA, upstream is at the 3' end and downstream is at the 5' end of the coding strand for the relevant gene.
What is DNA?
All known organisms, including many viruses, require deoxyribonucleic acid, a polymer comprised of two polynucleotide chains that coil around one another to create a double helix, to develop, function, grow, and reproduce. DNA and ribonucleic acid are examples of nucleic acids.
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which statement best explains why modern europeans, asians, or africans lack denisovan dna in their genome? a. denisovans never interbred with any population of homo sapiens. b. denisovans dna was eliminated from those populations by strong purifying selection. c. denisovans interbred only with the population whose ancestors are melanesians. d. neanderthal genes and denisovan genes are incompatible, so modern populations have one or the other.
Denisovans interbred with only the population whose ancestors are Melanesians statement best explains the reason modern Europeans, Asians, or Africans lack Denisovan DNA in their genome.
So, the correct option is C.
383,000 extra base pairs of DNA that appear to have come from Denisovans are present in Melanesians. It entered the DNA of the ancestors of the Melanesian people between 60,000 and 170,000 years ago. According to the researchers, 79% of a heterogeneous sample of Melanesians currently carry this variation. According to many researchers, their study provides the greatest proof yet that Denisovan DNA is present in Europeans. It indicates that ancient hominins dispersed their genes around fairly easily.
This species is the first fossil hominin to be recognized as a distinct species solely based on its DNA. Both Neanderthals and contemporary people have a close relationship with Denisovans.
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Types of Forces:Question 2
When placed at equal distances apart, the greatest gravitational
attraction will be between two
The force of attraction between any two bodies is directly proportional to the product of their masses and is inversely proportional to the square of the distance between them, according to Newton's universal law of gravitation.
The strongest gravitational attraction between two objects placed at equal distances apart will be between them.
Image for Types of Forces: Question 2 The strongest gravitational pull will occur between two objects that are equally spaced apart?
The gravitational attraction between two skateboards will be highest when they are positioned at equal distances apart. The relationship between two objects' gravitational pull and their separation increases, The force of gravity weakens as the distance between two things grows.
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the group of processes resulting in the mechanical disruption of rocks is called blank?
Answer:
weathering
Explanation:
the group of processes resulting in the mechanical disruption of rocks is called weathering
A tooth held in the alveolar socket of either the maxilla or mandible is an example of a fibrous joint called a.
A tooth held in the alveolar socket of either the maxilla or mandible is an example of a fibrous joint called a Gomphosis.
Gomphosis are immovable joint between the teeth and sockets of the lower and upper jaws. The periodontal ligament is a fibrous tissue that connects the tooth and the alveolar. Joints that move easily are called semi-joints. The singular form is amphiarthrosis. In this type of joint, the bones are connected by hyaline or fibrocartilage.
A symphysis is a type of fibrous joint found between parallel bones. The gaps between the bones are wide, either filled with a fibrous interosseous membrane or narrowed by ligaments that lie between the bones. Sutures are a type of suture found only in the skull that holds bone plates together. It is a fibrous joint. Sutures are held together by a matrix of connective tissue called Sharpey fibers that grow from each bone to adjacent bones.
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Studies of identical twins in which one twin has schizophrenia have revealed a relationship between schizophrenia and enlargement of the?
The studies revealed a relationship between cerebral ventricles in identical twins having schizophrenia.
The main conclusion of the study was that practically every twin who had schizophrenia showed signs of brain structural abnormalities. Even when the cerebral ventricles were small, even when the variations were slight, relatively larger ventricles were typically visible.
Heritability is the percentage of variance that may be attributed to genetic influences. For monozygotic twins, the concordance rates of schizophrenia have been reported to be between 40 and 50 percent, and heritability estimates hover around 80%. Monozygotic twins refers to the twins developed from a single zygote due to mitotic divisions.
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The diagram below shows the structure of an animal cell.
Which number label represents the nucleolus?
6
5
3
2
Answer: 5
Explanation:
Explanation: I hope this helps.
Answer:
the climax, or final stage, of old-field succession is an oak-hickory forest, which is usually well established after 160 years. what happens to the diversity of bird species after 160 years?
The total number of species stays stable, but the quantity of breeding pairs is progressively decreasing.
What is Succession ?
Succession is the process through which a region's species and habitat mix changes over time.
There are two types of biological succession: primary and secondary.
When bare rock or fresh land are exposed, primary succession occurs, creating an environment that can support the earliest colonization of an ecosystem.
The ecological succession known as secondary succession takes place when certain plants and animals still remain after the primary succession has been interrupted.
What are the stages of Succession ?
Nudation, Invasion, Competition and Co-action, Reaction, and Climax or Stabilization are the five stages of succession. At the same location, a succession of biotic communities organically emerge one after another until the Climax stage is reached. In their early stages, biotic communities evolve slowly.
Therefore the overall diversity of species is constant.
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When you bring any of your fingers in contact with your thumb, this movement is called __________.
When you bring any of your fingers in contact with your thumb, this movement is called opposition.
What is movement?
Movement is a noun that denotes a shift in position or location. If you're watching a play, you might realise that an actor's character exhibits nervousness by frequently moving from one side of the theater to the other. Another type of movement, similar to the civil movement of the 1950s as well as 1960s, involves a campaign to bring about some change or accomplish a goal. A movement is another name for a significant section of a musical piece. A symphony's movements can vary in tempo and feel, helping to build the composition's dramatic conclusion. The Fifth Symphony by Beethoven has four movements.
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What is the term that describes an
element that is "locked away"
(perhaps deep underground in a
deposit) and unable to enter a
biogeochemical cycle?
A. decomposition
B. cellular respiration
C. sequestration
D. biodiversity
Answer:
it’s C sequestration
Explanation:
The birth of a red knot
They can be found in a range of colors, including red, gold, green, blue, and even black, though red is the color that is most frequently utilized. This is so that it can represent luck and wealth.
What do red knots mean?They can be found in a range of colors, including red, gold, green, blue, and even black, though red is the color that is most frequently utilized. This is so that it can represent luck and wealth. The red knot, also known as the just knot, is a medium-sized shorebird that nests in tundra and the Arctic Cordillera in Canada, Europe, and Russia's extreme north.It is the second-largest Calidrids sandpiper after the big knot. Recognized subspecies number six.Arthropods and larvae are preferred food items at the breeding grounds, whereas different hard-shelled mollusks are taken at other feeding areas at other times. Their diet varies depending on the season.While the Eurasian populations spend the winter in Africa, Papua New Guinea, Australia, and New Zealand, North American breeders travel to coastal regions in Europe and South America.When not breeding, this bird forms large flocks. Tringa cantus was the name given to the red knot by Carl Linnaeus in his seminal 1758 10th edition of Sistema Nature.According to one idea, the knot's name and species epithet are derived from King Cnut; the name would allude to the knot's foraging along the tide line and the legend surrounding Cnut and the tide.To learn more about red knots, refer to:
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What do those two codons code for in carrots?
In carrots, two codons code for are:
AUG codes for the amino acid methionine and CAG codes for glutamine.
Each codon gives instruction to the cell to start or stop the creation of a protein chain and to add a specific amino acid to the growing protein chain.
Different codons can produce the same amino acid due to their way of transferring RNA .
Genetically modifying carrots contains increased levels of a gene that helps in the transport of calcium across membranes of plant cells. Thus, can make the vegetables a better source of calcium
Sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or stop signal during the synthesis of protein is called codon. tRNA has anticodons that helps in transferring the amino acids to the mRNA.
Sense- codon are those that code for a particular amino acid is whereas non - sense codon are those that do not code for an amino acid.
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6. What is cell transport?
What is the term for the ability of the brain to prioritize the sensory input it receives and to ignore unimportant stimuli?.
Sensory processing is the ability of the brain to prioritize the sensory input it receives and to ignore unimportant stimuli.
The brain distinguishes sensory stimuli through a sensory pathway action potentials from sensory receptors travel along neurons that are dedicated to a particular stimulus. These neurons are dedicated to that particular stimulus and synapse with particular neurons in the brain or spinal cord.
Sensory processing deals with how the brain processes sensory input from multiple sensory modalities. examples of sensory processing include Children may overreact to sounds, actions and food textures. Or they may underreact to sensory input. Some examples include jumping off tall things or swinging too high on the playground.
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under what circumstances does membrane transport require energy?
Answer:
Active transport
Explanation:
As it is against the concentration gradient
The membrane is a small part that is practically a cell which travels through the body.
What is Energy Transport?Energy is a very precious component of human body. We have energy in the form of heat, electricity, and food. The membrane is just a way for our cells to move. The sole reason we need energy is that the chemicals and energy which are needed for our cells to stay alive is not the energy we consume.
The process of membrane transport is known as energy transport, which is different from energy. It differs in meaning, but energy is a route of transporting energy to where you want it. We need to direct it to do things that what you intend to command , like move your body and move your mind, and move your senses.
Energy is a measure of how much work it is needed to move a material. So when someone is moving energy, the work that you need to do to make the material move is directly proportional to the energy you want to have for moving . So when you are moving materials, you are either moving energy (in a biological sense) or you are moving matter (in a physical sense).
Thus, the membrane is a small part that is practically a cell which travels through the body.
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the rabbits were ruining darcy's garden so she came up with a plan. she put a poison on the plants that would make the rabbits very sick, but not kill them. to her delight, the rabbits started staying away from her plants. what is the unconditioned stimulus
The rabbits were ruining Darcy's garden, so she came up with a plan. She put a poison on the plants that would make the rabbits very sick, but not kill them. To her delight, the rabbits started staying away from her plants. The plant is the unconditioned stimulus.
What is unconditioned stimulus?
An unconditioned stimulus is one that elicits an intuitive response. In Pavlov's experiment, the meal functioned as the unconditioned stimulus. An unconditioned response is a reflexive reaction to a stimulus. The dogs' unconditioned response in Pavlov's experiment was their salivation for food.
Hence the correct answer is the plants.
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How do processes in the hydrosphere and atmosphere interact to affect climate and
ecosystems? Provide at least one example.
Answer:
When a parcel of air in the atmosphere becomes saturated with water, precipitation, such as rain or snow, can fall to Earth's surface. That precipitation connects the hydrosphere with the geosphere by promoting erosion and weathering, surface processes that slowly break down large rocks into smaller ones.
What do we mean by the period of heavy bombardment in the context of the history of our solar system?.
The first few hundred million years after the planets formed, which is when most impact craters were formed.
What is solar system ?The Solar System is made up of the Sun, eight planets, and a variety of other celestial bodies. These celestial bodies and planets are drawn to the Sun and circle around it. The Sun, an ordinary star, the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune make up our solar system.
Roughly speaking, the planets orbit the Sun in the same plane. The galactic plane and the planetary orbital plane form a roughly 60° angle as the Solar System travels through the galaxy. As it circles around the Milky Way, the Sun appears to move up and down and in and out of the galaxy.Learn more about Solar system here:
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Check all that are a function of skeletal muscle tissue.
a. Regulation of blood pH
b. Body movement
c. Maintenance of posture
d. Heat production
e. Regulating elimination of materials
f. Protection and support
Skeletal muscle tissue has five primary functions:
Body movement
Maintenance of posture
Heat production
Regulating elimination of materials
Protection and Support
Skeletal muscles allow humans to move and carry out daily tasks. They are important in respiratory mechanics and in maintaining posture and balance. They also protect the body's vital organs.
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what are two reasons why viruses might be considered living organisms
What is the name of poisonous proteins produced and secreted by some bacterial cells?.
Exotoxins are poisonous proteins produced and secreted by some bacterial cells.
Nearly wherever we look, both within and outside of living things, there are microbes. Toxins produced by these pathogens are the main contributors to illnesses.
Exotoxins are heat-labile proteins that are mostly released by a few uncommon bacterial species. Once the poisons have been released, they disperse into the surrounding medium and injure the host cells either by interfering with their normal function or by killing them outright.
Exotoxins, as the name implies, are poisons created by the bacteria themselves as a byproduct of their metabolism. Diseases caused by these toxins include: Scarlet fever, Botulism, Scalded skin syndrome.
Examples of exotoxin producing bacteria are:
Clostridium botulinum (Botox),Clostridium tetani (Tetanus)Corynebacterium diphtheriae (Diphtheria).To know more about exotoxins visit the link:
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