Helicase is the name of the specialized enzyme that unzips the bonds between bases.
By severing the hydrogen bonds between base pairs and unwinding the DNA molecule's two strands, an enzyme known as Helicase aids in unzipping the molecule. It binds to and dissolves the hydrogen bonds connecting the bases on the DNA strands. These hydrogen bonds continue to be broken as the helicase travels along the DNA molecule, separating the two polynucleotide chains.
Primase, a different enzyme, momentarily binds to each strand when the helicase separates them in order to build a foundation upon which replication can start.
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How would a biologist explain how an animal became well camouflaged to its environment?
More camouflaged individuals have the better chances of survival until all the individuals that remain are all well camouflaged.
What s natural selection?The term natural selection implies that organisms that we well adapted to their environment tend to survive better and have the opportunity to reproduce. This is based on the principle of the survival of the fittest.
These organisms tend to pass on these favorable traits to their offspring and thus the gene pool is changed as only the organisms that have these favorable genes remain.
If camouflage helps an organism to survive better in its habitat, then it follows that more camouflaged individuals have the better chances of survival until all the individuals that remain are all well camouflaged.
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A group of proteins in the thylakoid membrane that shuttles electrons between the proteins and other carriers is called a(n)____chain.
A group of proteins in the thylakoid membrane that shuttles electrons between the proteins and other carriers is called an Electron transport chain.
In photosynthetic eukaryotes, the electron transport chain is observed on the thylakoid membrane. here, light energy drives electron transport through a proton pump and the ensuing proton gradient causes the next synthesis of ATP.
The light reactions are finished by means of the thylakoid membrane protein complexes photosystem II (PSII), cytochrome b6/f complicated, photosystem I (PSI), and ATP synthase. Many proteins that play crucial capabilities in both reactions have poor roles in viral pathogenesis.
The most outstanding thylakoid transporter is the proton-translocating ATP-synthase. Currently, 4 additional transporters were recognized inside the thylakoid membrane of Arabidopsis thaliana, namely one copper-transporting P-ATPase, one chloride channel, one phosphate transporter, and one ATP/ADP service.
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Your 70-year-old grandfather shows signs of loss of hair and some baldness. What age-related disorder do you suspect is the cause?
Katie designed an experiment using a paint roller pan, sand, and water. The steps of the experiment are listed below.
1. Put 3 inches of moist sand on a paint roller pan.
2. Make a beach by scooping the sand toward the higher portion of the pan.
3. Pour water into the deeper end of the pan.
4. Use a straw to blow on the water for 2 minutes to create waves.
5. Observe how the sand is displaced by the waves.
Katie's model most likely represents the interactions between the
A) atmosphere, hydrosphere, and geosphere
B) atmosphere, ocean, and biosphere
C) cryosphere, biosphere, and ocean
D) geosphere, ocean, and biosphere
Katie's model most likely represents the interactions between the atmosphere, hydrosphere, and geosphere (option A).
What are the spheres of life?The spheres of life summarizes the constituents of the Earth.
According to this question, Katie designed an experiment using a paint roller pan, sand, and water.
Katie's model represents the interaction between the following spheres;
Atmosphere; this is represented by the air blown into the water to make waveHydrosphere; this is represented by the water usedGeosphere; this is represented by the soil/sandLearn more about spheres of life at: https://brainly.com/question/11374994
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1. Which type of fungi fungi decompose dead matter?
Oparasitic
Osymbiotic
Oheterotrophic
Osaprophytic
Answer:
D.) saprophytic
Explanation:
Saprophytic fungi break down dead matter by releasing enzymes. This allows for the matter to be taken up by the fungi as a food source.
i need help with this in bio
Answer:B
Explanation:Codominance, as it relates to genetics, refers to a type of inheritance in which two versions of the same gene are expressed separately to yield different traits in an individual.
the chambers in the lower part of the heart , which pump blood to the rest of the body , are called ______
The chamber in the lower part of the heart, which pump blood to the rest of the body, are right ventricle and left ventricle.
what is the lower part of the heart ?
The lower two chambers are known as ventricles, and the upper two are known as atria (singular form: atrium) (singular: ventricle). The septa or septum, that are muscular walls, divide the heart into two sides. The right atrium and ventricle of the heart work together to pump oxygen-poor blood to the lungs.
how many chambers are there in the heart ?
There are four chambers in the heart. left and right ventricle and left and right atria.
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In what way are lungs well ventilated?
Lungs ventilation is an automatic, apparently handy inspiratory growth and expiratory contraction of the chest cage.
Air flows due to pressure variations between the atmosphere and the gases in the lungs. Air, like different gases, flows from a region with higher stress to a region with decrease stress. Muscular respiration moves and cringe of elastic tissues create the changes in strain that result in ventilation.
Lung air flow is an important a part of breathing, accountable for the fuel trade between alveoli and the atmospheric air. It entails often replacing stale gases within the lungs with fresh gases from the environment.
Deep respiratory exercises may also help increase lung capacity. for instance, the British Lung foundation say that deep respiration can help clean mucus from the lungs after pneumonia, allowing extra air to flow into. This act of ordinary breathing has a rather consistent charge and inspiratory extent that collectively represent normal respiratory rhythm.
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Lungs are ventilated through Pulmonary Ventilation.
Pulmonary ventilation is the process through which air flows into the lungs i.e. Inhalation and air flows out of the lungs i.e. Exhalation.
These processes depend upon the volume change in the cavity of chest.
Inhalation: Process of taking air into lungs. It occurs due to the contraction of muscles in which Diaphragm contracts leading to increase in volume of thoracic cavity.
Exhalation: Process of letting air out from lungs. It occurs due to the relaxation of muscles in which Diaphragm relaxes leading to decrease in volume of thoracic cavity.
Proper ventilation helps to keep the air fresh maintaining a flow of fresh air inside and dirty air outside. Air travels through mouth and goes down into the trachea or windpipe through the pharynx.
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Increasing the strength of the stimulus applied to the sensory receptor increased _______
Which of the following best describes a population?
All of the seagulls that live along the coast would best describe a population.
What is a population?A biological population refers to a group of organisms of the same species living in a particular area at a particular time.
In other words, there can be more than one population of organisms in an area if more than one species of organisms occupy that area.
Thus, seagulls represent a species of organism. All of the seagulls living in an area will, therefore, constitute a population of seagulls.
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A function ________ eliminates the need to place the function definition before all calls to the function.
A function prototype eliminates the need to place the function definition before all calls to the function.
The variable that are defined inside the function but not out side the function are local variable and global variable . A static variable that is defined within a function is initialized only once, the first time the function is called. A function prototype is a definition that is used to perform type checking on function calls when the EGL system code does not have access to the function itself. We prototype the function to tell the compiler about the number of arguments and about the required datatypes of a function parameter, it also tells about the return type of the function.
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Which cell type is the most numerous white blood cell in circulation, is the first leukocyte recruited from the bloodstream to injured tissues, and releases potent antimicrobial peptides
Neutrophils are the most numerous leukocytes in circulation, it is the first leukocyte recruited from the bloodstream to injured tissues, and releases potent antimicrobial peptides.
Neutrophils are a type of white blood cell, they are granulated and have a multilobed nucleus. The cytoplasmic granules contain microbicidal substances.
The major functions of neutrophils are:
Destroying the pathogen by phagocytosis.Disintegrating the bacterial toxins Helping other immune cells to generate an immune response against the invading pathogen.Neutrophils play a very important role in immune functions as they are the first cells to travel to the site of infection and disintegrate the pathogen by microbicidal substances in their granules and by phagocytosis.
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What is a wireless pan technology that transmits signals over short distances among cell phones, computers, and other devices?
Bluetooth is a wireless pan technology that transmits signals over short distances among cell phones, computers, and other devices.
Bluetooth is a wireless technology enormous, used will change records between cell(mobile) gadgets, like smartphones, drugs, headsets, and wearables, over short distances in a one-to-one style (because of this that it is not possible to assemble a network-based totally on Bluetooth).
Bluetooth is a wireless generation that uses a radio frequency to share statistics over a short distance, putting off the want for wires. you may use Bluetooth to your mobile tool to percentage files or to hook up with unique Bluetooth-enabled devices.
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A student wanted to look at germination of five different seeds in vermiculite (a soil additive). He planted the seeds in identical containers and left them together in full sunlight. He gave each seed the same amount of water and charted the germination of each seed type. What is the independent variable in this experiment
The independent variable is the seed type. This cannot be changed while the other variables can be changed such as water, soil additive, and light.
Independent variables:
The variable which is not affected by the change in other variables at the time of study is called the independent variable. It is the cause of study. The dependent variables are the effect and are observed. These are dependent on the change in the independent variables. For example, seed type is an independent variable whereas germination which is the combined effect of light, water, and soil additive that determines the process of germination.
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Clonal interference doesn't occur in the human species. Why?
Answer:
In a small population with a small to modest mutation rate, the establishment of a beneficial mutation is an extremely rare event so clonal interference is unlikely to occur, and the distribution of mutations that fix are simply the distribution of mutations that establish.
Which division of time on the geologic time scale is the longest?
OA. A period
OB. An eon
C. An epoch
OD. An era
SUBMIT
The division of time on the geologic time scale that is the longest is an eon, which is in option B, as an eon can span billions of years and is divided into eras, which are then divided into periods and epochs.
What is geological time?The geologic time scale is a system used by geologists and other scientists to divide the history of Earth into specific intervals of time based on major events and changes in the planet's geology, climate, and life forms. The geologic time scale is divided into four main categories: eons, eras, periods, and epochs. An eon is the largest and longest division of time on the geologic time scale, spanning billions of years.
Hence, the division of time on the geologic time scale that is the longest is an eon, which is in option B.
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Most mycoses are difficult to treat because?
According to the research, most mycoses are difficult to treat because to determine the responsible fungus it is necessary to culture the lesions.
What is contact dermatitis?They are skin conditions resulting from parasitization by "fungi"; these are vegetables that do not carry out the phenomenon of photosynthesis.
They are caused by fungi belonging to the genera Epidermophyton, Microsporum and Trichophyton.
Therefore, we can conclude that according to the research, most mycoses are difficult to treat because to determine the responsible fungus it is necessary to culture the lesions.
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If Johns used cars has 612 cars and 49 trucks , what percentage of the vehicles on Johns lot are trucks ?
The answer is 7.4%.
Percentage of trucks on the lot is equal to the ratio between the number of trucks and the total number of cars.
Number of trucks ÷ Total number of cars49 ÷ (49 + 612)49 ÷ 6617.4%Answer:
8.007%
Explanation:
Given:
John has
⇒ 612 cars
⇒ 49 cars
To find: We have to find what percentage of 612 the number 49 is.
To calculate this, we must multiply 49 by 100 and then divide it by 612.
Here is the formula to further illustrate: (100 * X)/Y = Percent
After inserting (X = 49) and (Y = 612) into the formula above, you should have a result of ⇒ (100 * 49) / 612 = 8.007%
Therefore, 49 is 8.007 percent of 612.
- Thank you.
Two organisms of different species mate and produce offspring that cannot mate with its siblings or with members of either parental species. This is an example of __________.
Two organisms of different species mate and produce offspring that cannot mate with its siblings or with members of either parental species. This is an example of hybrid infertility.
Hybridization is the technique used to combine two distinct hereditary, which might cooperate in a dissonant way. This sort would be supposed frequently prompt to awful outcomes. The combination in a single organic entity of two genomes that are independently useful will mostly bring about adverse interaction on the grounds that every one of the genes in a single genome should be viable with every one of the genes in the other.
Hybrid infertility and sterility, on the whole known as half-breed incongruence, can diminish the exchange of hereditary variations between species. In this way, hybrid infertility can be significant during the process of speciation by acting as a reproductive inhibitor.
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Which stage of a thunderstorm is associated with the coexistence of updrafts and downdrafts?
a. mature stage
b. cumulus stage
c. dilating stage
d. dissipating stage
e. contracting stage
According to the research, the correct option is a. The mature stage of a thunderstorm is associated with the coexistence of updrafts and downdrafts.
What is a thunderstorm?It is characterized by the coexistence of two or more air masses of different temperatures, which causes instability in the environment that includes strong winds and precipitation.
These originate with the combination of a low pressure center with a high pressure center, resulting in the formation of clouds and the development of winds presenting three stages: cumulus, maturity and dissipation.
During the mature stage, the precipitating droplets create a downdraft and the mixing of the current of updrafts and downdrafts with the drier air of the lower troposphere produces strong evaporative cooling.
Therefore, we can conclude that according to the research, the mature stage of a thunderstorm is associated with the coexistence of updrafts and downdrafts.
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Approximately half of the solid waste produced in the united states is____waste, which is generally recycled into the____on the farms where it is produced.
Approximately half of the solid waste produced in the united states is agricultural or farm waste, which is generally recycled into the soil, ground, earth, or fields on the farms where it is produced.
Each American creates more than 1,700 pounds of it annually, totaling 239 million tons. China and India produce more waste, or not? Yes, they together bear responsibility for 27% of the world's rubbish.Municipal solid waste (MSW) generation in 2018 totaled 292.4 million short tons (U.S. short tons, unless otherwise noted), or 4.9 pounds per person each day. About 69 million tons of the MSW produced were recycled, and 25 million tons were composted.Only 94.2 million tons of the 267.8 million tons of municipal solid trash that Americans produced in 2017 were recycled or composted, according to the EPA.learn more about solid waste here: https://brainly.com/question/19152477
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11. In plant cells grown in the presence of a metabolic poison that specifically inhibits mitochondrial F1ATP synthase, one would expect:
In plant cells grown in the presence of a metabolic poison that specifically inhibits mitochondrial F1ATP synthase, one would expect: An increase in the pH difference across the inner mitochondrial membrane.
The electron transport chain can no longer pump electrons into the intermembrane space. The pH of the intermembrane space would increase, lowering the pH gradient and stopping ATP synthesis. The function of ATP synthase is to form ATP from ADP and inorganic phosphate (Pi) in the F1 sector. This is possible due to the energy derived from the gradient of protons that cross the inner mitochondrial membrane from the intermembrane space into the matrix via the Fo part of the enzyme.
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Respiratory and Circulatory System:
= > The respiratory system and the circulatory system are two important organ systems in the human body. The respiratory system involves all passageways and organs involved in breathing, while the circulatory system involves the heart and blood vessels.
Answer and Explanation: 1
= > The respiratory system and circulatory system interact in both the enriching of blood with oxygen and the delivery of oxygen-rich blood to the tissues.
= > In the lungs, air fills small sacs called alveoli. The alveoli are made of thin sheets of squamous epithelial cells suffused with capillaries. The epithelial tissue allows oxygen from the inhaled air to pass into the blood of the capillaries while allowing waste gases, like carbon dioxide, to escape the blood and be exhaled from the body.
= > After leaving the lungs, the blood returns to the heart, where it is pumped back out to the rest of the body. The oxygen-rich blood travels through the blood vessels and eventually into capillaries that suffuse the tissues of the body. In the tissues, the oxygen from the blood is extracted and delivered to the cells to power their metabolic functions.
= > Both processes are vital to the survival of an organism because tissues would die without the delivery of oxygen that begins in the interaction of the respiratory system and circulatory system.
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The respiratory and circulatory systems interact in the supply of oxygen to the cells of the body.
Circulatory and respiratory system interactionThe respiratory system supplies oxygen into the blood. The circulatory system transport oxygenated blood to tissues/cells that require oxygen and supply them with the gas.
On the other hand, carbon dioxide waste that needs to leave the body system is transported by the blood from cells/tissues to the respiratory system. The respiratory system gets rid of this waste.
Without oxygen supply and getting rid of carbon dioxide, the cells of the body will die in no time.
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According to the gate control theory of pain, the structure that is the likely location of the gate is: Group of answer choices the substantia gelatinosa. the ventral horns of the spinal cord. the transverse section of the medulla. supraspinal nerve endings.
According to the gate control theory of pain, the structure that is the likely location of the gate is the substantia gelatinous.
What is substantia gelatinous?A group of cells called the substance gelatinosa can be found in the spinal cord's gray matter (dorsal horns). It receives direct input from the dorsal (sensory) nerve roots, particularly those fibers from pain and thermoreceptors, and is present at all levels of the cord.The spinal cord has a system that permits pain signals to be amplified in the brain before being processed at the spinal cord itself, or attenuated there, in accordance with the Gate Control Theory of Pain.The "gate" is the device that either permits or forbids the transmission of pain signals.To feel intense pain if the gates are more open since many more pain signals will flow through to the brain. The likelihood that you will feel less discomfort increases as the gates are more tightly shut.
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Many emerging adults want to engage in sexual activity but know that they are not emotionally ready to be parents. their solution is:_________
Many emerging adults want to engage in sexual activity but know that they are not emotionally ready to be parents. their solution is: Contraception
The practice of preventing conception is known as birth control or contraception. Medication, procedures, technology, and behavior are examples of methods.Barrier techniques, like condoms, are a type of contraception that aid in preventing both pregnancy and sexually transmitted diseases (STIs). No matter what alternative method of birth control you use, you should still use condoms to safeguard your partner's and your own sexual health.the following are the types of contraceptives:
The contraceptive implant, contraceptive injection, emergency contraception pill (the "morning after" pill), contraceptive ring, intrauterine device (IUD), condom, oral contraceptive pill, contraceptive implant, contraceptive injection, and contraceptive implant.
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The virtually universal decline in near vision in middle adulthood is called __________.
The virtually universal decline in near vision in middle adulthood is called presbyopia.
What is vision?Vision is the ability of the eyes to receive and send signals to the brain which then interprets and produces a picture of the object.
A common eye defect the occurs as people grow into adulthood is known as presbyopia.
In conclusion, presbyopia is an age-dependent eye defect.
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Rocks in continental crust are as old as ____ years.
A. 200 million
B. 44 million
C. 4.4 billion
Answer:
4.4 billion
Explanation:
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___occurs as the earth comes out of an ice age.
o a. magnetic deviation
o b. polar deviation
o c. global warming
o d. global cooling
The phases of meiosis that can result in the most variation in the four resulting daughter cells are:_______
Phases of meiosis that can result in the most variation in the four resulting daughter cells is Telophase II. In telophase II, nuclear membranes form around each set of chromosomes, and the chromosomes decondense. Cytokinesis splits the chromosome sets into new cells, forming the final products of meiosis four haploid cells in which each chromosome has just one chromatid.
During telophase II, the chromosomes are enclosed in nuclear membranes. Cytokinesis follows, dividing the cytoplasm of the two cells. At the conclusion of meiosis, there are four haploid daughter cells that go on to develop into either sperm or egg cells.
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PLEASE ANSWER QUICK
Angiosperms represent
Group of answer choices
Seedless Vascular Plants
Nonflowering Seed Plants
Flowering Seed Plants
Gymnosperms
Answer:
"Flowering Seed Plants"
Explanation:
Angiosperms are vascular plants, which bears seeds in fruits or mature ovaries. Angiosperm forms flower that carries reproductive organs and fruits.