Answer:
Small fragments travel farther than large fragments. A high voltage rate will cause the DNA fragments to move slowly across the gel
If there is gene flow between two adjacent populations of the same species, then the two populations will
If there is gene flow between two adjacent populations of the same species, then the two populations will have similar gene pools.
What is gene flow?Gene flow is the movement of genes within a population or between two or more populations of organisms as a result of mating that occurs between the species.
Gene flow between two populations ensures similarity between the gene pool of the populations.
Therefore, if there is gene flow between two adjacent populations of the same species, then the two populations will have similar gene pools.
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In the process of _________________________________ one sperm fertilizes the egg, and the other fuses with 2 gametophyte nuclei to form the first endosperm cell. This process occurs in gymnosperms and angiosperms.
Answer: in the process of polyspermy development
Explanation: in most cases the egg cell blocks polyspermy
based on sex assigned at birth, women tend to reach higher bac levels more quickly than men because:
Women tend to reach higher bac levels more quickly than men because they have lower levels of the enzyme alcohol dehydrogenase.
What is BAC levels?BAC levels refers to the blood alcohol levels.
Women tend to reach higher BAC levels than men.
The enzyme alcohol dehydrogenase is responsible for the metabolism of alcohol.
Women generally have lower levels of the enzyme in their body and thus metabolize alcohol more slowly.
Thus, women reach higher BAC levels than men.
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Which month recorded the lowest amount of ozone over the Antarctic?
What is it that makes diseases caused by viruses and bacteria hard to treat?
Answer:Why are diseases caused by viruses often difficult to treat?
Explanation
Viruses are much harder to treat since they are within the human host cells. Most antiviral medications slow down the virus but do not kill it. Antivirals keep the infection under control, or stop the virus from multiplying, while your immune system does the heavy lifting.
Answer:
Antimicrobial resistance all of a sudden happens when germs and fungi develop and then it gives the ability to kill the drugs designed to kill them hundred times smaller then human cells
Explanation:hope that helps have a great day and stay safe (;..... p:s this is ashely/cee cee
suggest why a plant cell in 0.10 mol dm salt solution will not burst
Answer:
So, the correct answer is 'Cells wall is rigid and does not get overstretched'
What do inhibitory neurotransmitters cause ?
According to the research, inhibitory neurotransmitters cause the diminution of an action potential.
What are neurotransmitters?They are substances used by neurons to transmit impulses within the nerve synapse, they drive and balance said signals.
It is involved in inhibitory effects on the neuron, decreasing the probability that it will fire an action potential.
Therefore, we can conclude that according to the research, inhibitory neurotransmitters cause the diminution of an action potential.
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a newborn has just been given an inoculation and cries. variations in crying from one infant to another correlate with temperament and thus confirm that temperament:
The variations in crying from one infant to another correlate with temperament and thus confirm that temperament varies from one individual to another.
What is Temperament?Temperament refers to differences that exists in individuals due the pattern of emotional responses to their environment.
I'm psychology, temperament is believed to have a genetic basis.
Temperament varies between individuals.
The variations in crying from one infant to another correlate with temperament and thus confirm that temperament varies from one individual to another.
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histones are _____ that are usually associated with _____.
Histones are basic proteins that are usually associated with deoxyribonucleic acid (DNA).
What are Histones?Histones can be defined as the basic proteins that are combined together with deoxyribonucleic acid to form the structure called Chromosome.
The main function of the histones is to provide structural support to the chromosome.
Therefore, Histones are basic proteins that are usually associated with deoxyribonucleic acid (DNA).
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volume and pressure inside the left ventricle at the end of diastole is referred to as:
The volume and pressure inside the left ventricle at the end of diastole is referred to as end-diastolic volume and end-diastolic pressure respectively.
What is a diastole?A diastole is the part of the heartbeat cycle when the heart muscle relaxes and allows the heart chambers to fill with blood.
The volume inside the left ventricle at the end of diastole is referred to as end-diastolic volume.
The pressure inside the left ventricle at the end of diastole is referred to as end-diastolic pressure.
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What is an adverse effect of Rocuronium, Atracurium, Tubocurarine, Pancuronium?
An adverse effects of the drugs Rocuronium, Atracurium, Tubocurarine, and Pancuronium is high or low blood pressure.
What are adverse drug effects?Adverse drug effects are effects produced by drugs which are not what they were intended for.
Adverse effects of drugs may range from mild to severe adverse effects.
The drugs Rocuronium, Atracurium, Tubocurarine, and Pancuronium are muscle relaxant drugs.
An adverse effects of Rocuronium, Atracurium, Tubocurarine, and Pancuronium is high or low blood pressure.
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Which action is likely to cause air to enter the victim’s stomach (gastric inflation) during bag-mask ventilation?
The action that is likely to cause air to enter the victim’s stomach (gastric inflation) during bag-mask ventilation is ventilating the patient when is chest is not rising.
What is gastric inflation?Gastric inflation is the process in which air is been blown into the stomach of the patient which can be as a result of inflation of the lungs during lung or bag mask ventilation.
Therefore, The action that is likely to cause air to enter the victim’s stomach (gastric inflation) during bag-mask ventilation is ventilating the patient when is chest is not rising.
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list down the food items that are generally spoiled by the presence of bacteria
Answer:
The most common food item that is spoilt by bacteria is dairy products,canned food,fish meat etc.
which statement does not describe a general aspect of signal sequences?
Signal peptide are often found at the N-terminus of secreted proteins.
What is signal sequence?
A signal peptide is a short peptide present at the N-terminus of most newly synthesized proteins that are destined toward the secretory pathway.
The following statements describes general aspect of signal sequences;
They are often found at the N-terminus of secreted proteins.They contain 10-15 hydrophobic amino acids.They tend to form an α-helical structure.Learn more about signal peptide here: https://brainly.com/question/13992443
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Which of these describes ATP?
A. the site of photosynthesis
B. genetic material
C. energy storage
D. cell waste
Answer:
C
Explanation:
ATP has to do with energy so the correct answer would be energy storage.
The one that describes ATP is energy storage. The correct option is C.
What is ATP?A chemical that is a part of all living cells and gives energy to a variety of metabolic processes, including the production of RNA.
In patients with advanced solid tumors, the effects of laboratory-produced ATP on weight loss and muscle strength are being investigated. Likewise known as adenosine triphosphate.
The principal energy source for critical biological processes such muscular contraction, nerve impulse transmission, and protein synthesis is ATP generated in mitochondria.
For example, large levels of ATP signal that the cell has enough ATP and does not need to produce any more through cellular respiration. In this instance, a product "feeds back" to block its pathway, which is a form of feedback inhibition.
Thus, the correct option is C.
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Which of the following is the best example of a scientific question?
A. What is my favorite food to eat in the morning?
B. What causes trees to lose their leaves in the fall?
C. Is it ethical to do experiments on animals?
D. How high can my dog jump?
SUBMIT
Answer:
b
Explanation:
Answer:
its c
Explanation:
2. Describe three conditioned reflexes that you exhibit while at school.
Answer:
digestion, circulation, and respiration.
Explanation:
Drag the tiles to the correct boxes to complete the pairs.
Match the factors affecting genetic diversity with the examples.
m. All rights reserved.
habitat fragmentation
pollution
exploitation
sewage from cities dumped into vers
sections of large forests cut down for resources
Burmese pythons Infesting the Everglades
rhinos Indiscriminately killed for their horns
▶ O GE
invasive species
101
N
Factors that affect genetic diversity are:
sewage from cities dumped in vers - pollutionsections of large forests cut by resources - habitat fragmentationBurmese pythons infesting the Everglades - invasive speciesrhinos indiscriminately killed by their horns - explorationWhat is genetic diversity of an example?
The diversity of alleles of individuals of the same species is what we call genetic variability.
Haireyeskin colorheight and voice,for example, are characteristics present in human beings that make us quickly understand that we have phenotypic variations in relation to others.
With this information, we can conclude that Factors that affect genetic diversity are: sewage from cities dumped in vers - pollution, sections of large forests cut by resources - habitat fragmentation, Burmese pythons infesting the Everglades - invasive species, rhinos indiscriminately killed by their horns - exploration
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Which of the following statements about Jesus's life is true according to the Bible?
A. Jesus was sentenced to death by crucifixion.
B. Jesus was born to a Jewish family in a Roman province.
C. All of the choices are correct.
D.Jesus was baptized by John the Baptist.
Answer:C
Explanation:A he was sentenced to death B he was born in a jewish family in the roman empire d he was baptized by John the Baptist.
Plant cells are different from animal cells in this way:
Answer:
C . Cell wall and Chloropylast is correct answer
Explanation:
Because plants don't move so they have cell walls and chloroplasts but human cell moves so they don't need cell wall
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[tex]\red:\implies[/tex] Cell Wall ; Chloroplasts➥ Plants are autotrophic organisms which manufacture their own food. Plant cells have chlorophyll containing chloroplasts which are involved in the process of photosynthesis. A plant cell is surrounded by cellulosic cell wall which is dead at maturity. Chloroplasts and cellulosic cell wall are characteristics of plant cells only.
Which of the following is true about the scientific method?
The conclusion should confirm the original hypothesis.
Scientists frequently do not work in a linear sequence.
It is important to follow each step in order so the results are valid.
All scientists utilize the same scientific method with the same steps.
The statement which is true about the scientific method is that "it is important to follow each step in order so the results are valid." Thus, the correct option is C.
What is the Scientific method?The scientific method may be characterized as an approach to investigation in which a problem is determined, appropriate data are collected, an assumption is composed of these data, and the hypothesis has been empirically experimented with.
Scientific methods always deal with a scripted format of identifying the problem, making a hypothesis, collecting the data associated with a hypothesis, synthesizing a methodology, observing it, and making a conclusion.
Therefore, the correct option for this question is C.
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Environmental factors can influence natural selection because they can increase or decrease and what can they increase or decrease in
Environmental factors can influence natural selection because they can increase or decrease and what can they increase or decrease in the amount of genetic variation in a population.
What is natural selection?Populations of living things adapt and change through a process called natural selection. A population's members are naturally varied, which means that they are all distinctive in some ways. Because of this variety, some people have characteristics that suit their surroundings more than others.
Four requirements must be met for natural selection to take place: reproduction, inheritance, variety in physical traits, and variation in the number of children produced by each person.
Reproduction:
A population must procreate to produce a new generation in order for natural selection to affect it. Over many generations, people who have the characteristics that are most compatible with their environment tend to breed more than people who don't.
Heredity:
Since the genes of the parents combine to form the DNA of their offspring, heredity and reproduction go hand in hand. Natural selection must operate if parents with favourable qualities pass those traits on to their kids.
Variation in Characteristics:
Only when individuals within a community differ in their personal features can natural selection take place. For instance, different people must have varied colors in order to research natural selection on color within a population. There wouldn't be any traits for nature to "select" over others in the absence of variety in traits.
Fitness Variation:
Compared to its popular notion, fitness has a more technical meaning. Fitness in the context of evolution refers to an organism's capacity for maximum survival and reproduction. Natural selection cannot take place in a population unless its individuals have varying levels of fitness. Some people must have characteristics that make it easier for them to survive and procreate more frequently than others. Otherwise, natural selection cannot act to increase the number of people with advantageous features and decrease the number of people with undesirable qualities.
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Imagine an instance where there are two parents, and both have polydactyly, a trait which is determined in this example by a singel gene. They have four children, one of hwom have polydactyly. what is the probailty their next child witll have polydactyly
The probability that their next child will have polydactyly is 0.75
What is Polydactyly?Polydactyly may be characterized as a circumstance in which an individual has more fingers or toes as compared to normal.
In humans, it occurs due to the homozygous mutants for a HOXD13, and due to which digits are joined and a condition known as Polysyndactyly occurs.
If both parents carry the genotype heterozygous for Polydactyly, i.e. Pp, the resultant offspring will have the genotypes PP, Pp, Pp, and pp. In which pp is normal, while all the three are affected due to the expression of dominant allele causing Polydactyly.
Now, according to the question, only one of the offspring possess the genotype of pp, hence the probability of their next child will have polydactyly is [tex]\frac{3}{4}[/tex] = 0.75.
Therefore, the probability that their next child will have polydactyly is 0.75.
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what does the sympathetic and parasympathetic do ?
The sympathetic and parasympathetic are responsible for the body's spontaneous actions, such as breathing, heartbeat, digestion, body temperature control.
What is the function of the sympathetic and parasympathetic nervous systems?The sympathetic nervous system acts in an opposite way to the parasympathetic one, preparing the organism to react in situations of fear, stress and excitement, adapting the functioning of several internal systems to a high state of readiness.
In this case, the Sympathetic nervous system also controls body functions that are rarely conscious and parasympathetic nervous system the part of the autonomic nervous system responsible for stimulating actions that allow the body to respond to calm.
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Black eyes are dominant to orange eyes, and green skin is dominant to white skin. A male MendAlien with black eyes and green skin, has a parent with orange eyes and white skin. A female MendAlien with orange eyes and white skin. If these male and female MendAliens were to mate, the predicted phenotypic ratio of their offspring would be _____.
The phenotypic ratio of their offspring would be 1/4 each for black eyes/green skin, black eyes/white skin, orange eyes/green skin, and orange eyes/white skin respectively.
Dihybrid crossingThe male would be heterozygous since he has a parent that is homzygous recessive.
Assuming that eye color is A/a and skin color is B/b.
The genotype of the male would be: AaBb
The genotype of the female would be: aabb
AaBb x aabb
Progeny
A_B_ = Black eyes, green skin = 1/4
aaB_ = orange eyes, green skin = 1/4
A_abb = black eyes, white skin = 1/4
aabb = 1orange eyes, white skin = /4
See the attached image for the Punnet's square analysis.
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Mr. jones science class is comparing three samples. Mr.jones divided his class up into four groups. Each group was given one of each of the samples to measure the mass. What would be the explanation why group 3's measurements were so different from the rest of the groups
It could be that group 3 was given a different sample entirely.
Mass measurementThe class was divided into 4 groups, whereas, only 3 samples were to be weighed and compared.
Thus, it could be that group 3 was given another sample that is entirely different from the other groups.
If group 3 was actually given one of the 3 samples, it means that they made a mistake during weighing.
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What is data ?
A. a numerical value to represent how accurate
the recordings of an experiment are
B. detailed recordings of experimental
observations
Umak
C. only non-numerical observation from an
experiment
Answer:
B
Explanation:
The definition for 'Data' is facts and statistics collected together for reference or analysis.
So I would answer B as this seems the most appropriate
The data is the detailed recordings of experimental observations. The correct option is B.
What is experimental observations?Because of the physical insight they provide to the scientist in formulating the theory, experimental observations and measurements are widely accepted to be the backbone of physical sciences and engineering.
Observational studies are those in which researchers examine the impact of a risk factor, diagnostic test, treatment, or other intervention without attempting to change who is or is not exposed to it.
Observational studies are classified into two types: cohort studies and case control studies.
Experiments or surveys are used to collect data for statistical studies. The branch of statistics that deals with the design and analysis of experiments is known as experimental design.
Thus, the correct option is B.
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How many of Earth's spheres does
the carbon cycle move through?
A. one
B. a few of the Earth's spheres
C. impossible to know
D. all of the Earth's spheres
The carbon cycle moves through virtually all of the earth's spheres.
Carbon cycle
There are 4 majors spheres of the earth:
AtmosphereGeosphere or LithosphereBiosphereHydrosphereThe carbon cycle moves through the air (atmosphere), oceans (hydrosphere), organisms (biosphere), and the soil (geosphere).
Thus, the carbon cycle moves through all the spheres of the earth.
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Answer: D. all of the Earth's spheres
Explanation:
Which trait is most likely to be selected in the population of plants growing in this region of the desert?
The ability to limit water transport and to conserve it is the feature most likely to be chosen in the plants growing in the desert.
Since the plants in desert regions are tiny, have deep roots, and have a thick, which also helps to keep the plants cool and slows evaporation, they lose less water and are more effective in hot temperatures like deserts. Animals cannot consume the majority of desert plants because they have. As a result of cactus and aloe vera flourishing in this area of the desert, The flora is frequently seen in deserts.
So The ability to limit water transport and to conserve it is the feature most likely to be chosen in the plants growing in the desert
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In the 1918 flu pandemic, why did more teenagers and young adults die than other
age groups?
1. They spiked high fevers that couldn't be controlled.
2. They didn't rest enough to heal properly.
3. Their bodies were healthier causing an immune system overreaction called a
cytokine storm.
4. They were more susceptible to getting the flu because they were the caretakers
of others who were infected.
Answer:
4
Explanation:
I believe it's four, scientifically speaking a young person most likely wouldn't die of infection because their immune systems can fight off the infection to some degree. But if the young person was the caretaker of someone who was/is infected, the younger person is more susceptible to getting an infection and dying because there is no one there to take care of them when they get infected.
Answer:
their bodies were healthier causing an immune system overreaction called a cytokine storm
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