Select the gene regulatory mechanisms that are different between prokaryotes and eukaryotes 7 Chromatin packaging occurs in eukaryotes II: Eukaryotic DNA contains enhancers III. Multiple basal transcription factors are found in eukaryotes. IV. The structure of adenine is different in eukaryotic DNA. V. Nuclear export of RNA occurs in prokaryotes. A. Iand II are correct '8 I II and III are correct C. I, II, III and IV are correct D. All are correct E: All are incorrect
Answers
The correct answer is option A: I and II are correct. Gene regulatory mechanisms that are different between prokaryotes and eukaryotes are:I: Chromatin packaging occurs in eukaryotesII: Eukaryotic DNA contains enhancersIII: Multiple basal transcription factors are found in eukaryotesIV:
The structure of adenine is different in eukaryotic DNAV: Nuclear export of RNA occurs in prokaryotes.I and II are correct because chromatin packaging is characteristic of eukaryotes, while enhancers are present only in eukaryotes. In contrast, prokaryotes lack enhancers, and their DNA is arranged in a more linear fashion than eukaryotic DNA.II and III are not appropriate because eukaryotic DNA contains enhancers, not promoters.
Furthermore, prokaryotic DNA only needs one basal transcription factor to get started, whereas eukaryotic DNA requires several. As a result, III is incorrect.All is incorrect because nuclear export of RNA is characteristic of eukaryotes. On the other hand, prokaryotes don't have a nucleus, so the question of nuclear export of RNA doesn't arise. Also, the structure of adenine is not different in eukaryotic DNA, so IV is incorrect.
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Related Questions
T or F: Enzymes accelerate a reaction by making the ΔG more favorable.
Answers
False. Enzymes do not make the ΔG of a reaction more favorable. Instead, they lower the activation energy required for the reaction to occur.
which increases the rate of the reaction without changing the overall thermodynamics of the reaction or the ΔG. In other words, enzymes do not change the free energy change of a reaction, but they do increase the rate at which it occurs.Enzymes are biological catalysts that speed up chemical reactions in living organisms. They work by reducing the activation energy required for a reaction to occur, which is the minimum energy required to initiate a chemical reaction. By lowering the activation energy, enzymes make it easier for reactant molecules to achieve the necessary energy to undergo a reaction.However, enzymes do not change the overall thermodynamics of a reaction, including the change in free energy (ΔG) that occurs during the reaction. ΔG represents the difference in free energy between the reactants and products of a reaction, and it determines whether a reaction is energetically favorable (exergonic, ΔG < 0) or unfavorable (endergonic, ΔG > 0).Enzymes do not affect the overall free energy change (ΔG) of a reaction. Instead, they lower the activation energy, which enables the reaction to proceed more quickly and efficiently. This is accomplished by binding to the reactant molecules in a way that stabilizes the transition state of the reaction, thereby reducing the energy required to reach that state.In summary, enzymes do not make the ΔG of a reaction more favorable. Instead, they lower the activation energy required for the reaction to occur, which increases the rate of the reaction without changing the overall thermodynamics of the reaction or the ΔG.
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Which of the following actions would you take to remain safe in the lab?
Check all of the boxes that apply.
A bottle of liquid looks like water; you taste it to be sure.
While cutting a screen for an aquarium top, you point the scissors away from your body.
You pipette a liquid using a bulb pipette.
You heat a liquid by placing it in a plastic beaker on a hot plate.
You arrange all lab items neatly and make sure they are away from the edge of the lab table.
Answers
You arrange all lab items neatly and make sure they are away from the edge of the lab table.
You pipette a liquid using a bulb pipette.
The following guidelines should be included in most safety policies because they apply to practically all laboratories. They go on emergency preparedness, appropriate signs, safety gear, how to use lab equipment properly, and fundamental common sense standards.
Make careful to read any safety and fire alarm signs, and in the event of an accident or emergency, heed the directions.Make sure you are completely informed of the evacuation protocols for your building or facility.Make sure you are familiar with the location and proper use of all of the safety supplies in your lab, including eye wash stations, fire extinguishers, first aid kits, and safety showers.Be aware of the emergency phone numbers to call for assistance.Lab spaces with lasers, radioisotopes, and other biohazards need to be adequately labeled with warning signs.When working in the lab, avoid eating, drinking, and chewing gum.Never use laboratory glassware as a container for food or drink.Make sure to inspect your glassware for chips and cracks before each usage. Glassware that is broken should be reported to your lab manager so it can be disposed of properly.Never utilize lab equipment that you have not been given permission or been taught to use by your supervisor.Inform a technician as soon as possible if an instrument or piece of equipment malfunctions while in use or isn't functioning properly. Never attempt to fix a piece of equipment by yourself.
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When taking a person's blood pressure, after proper inflation of the cuff, the first pulse sound that is heard through the stethoscope indicates that blood is flowing through the artery past the cuff. The reading on the pressure gauge at this point represents:_________.
Answers
Answer:
Diastolic pressure
Explanation:
The reading on the pressure gauge at this point represents the Diastolic pressure. In a medical context, this is the pressure of the blood in the arteries when the heart is filling. In the numerical readings, this is represented by the lower end of the two blood pressure measurements. For example, if the individual's blood pressure is taken and the measurement of 120/80 is taken, then 80 is the diastolic pressure in this scenario.
Bradley improved his hitting after taking batting practice. A. Bradley improved his hitting B. after improvement C. taking batting practice D. practice with Bradley
Answers
A because the others didn't make no sense
Which event shows conditions that lead to natural selection?
A-Weeds are removed by a gardener from a public park
B-Wild horses are tamed over many years and selectively allowed to reproduce.
C-A crab produces millions of offspring in a year, but few survive to adulthood.
D-Farmers collect the largest corn seeds to plant in their fields the following year.
Answers
Sam is investigating the factors that affect photosynthesis. She keeps some plants in the dark for 24–48 hours. They receive no light. What does this remove from the plants?
Answers
Keeping the plants in the dark for 24-48 hours removes the source of light from the plants.
Light is one of the essential factors required for the process of photosynthesis in plants.
During photosynthesis, plants use light energy to convert carbon dioxide and water into glucose and oxygen. This process takes place in specialized cell structures called chloroplasts, which contain the pigment chlorophyll that captures light energy.By depriving the plants of light for an extended period, the plants are unable to carry out photosynthesis. As a result, they are unable to generate the energy-rich molecules necessary for their growth, development, and survival.Without the presence of light, plants cannot perform the chemical reactions involved in photosynthesis and cannot produce the required carbohydrates and other organic compounds.Thus, the plant's source of light is removed by keeping them in the dark for 24 to 48 hours.
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Free 10 points! Right Answers Only!
Answers
Answer: C, A, D
Explanation:
lemme get brainliest bruv
Answer: The answers are the following:
1.C
2.A
3.D
Explanation:
a. which type of population growth pattern rises slowly at first, then increases rapidly, and ultimately slows down and levels off?
Answers
Logistics growth is a type of population growth pattern rises slowly at first, then increases rapidly, and ultimately slows down and levels off.
When a population's rate of per capita growth declines as it approaches the carrying capacity, a limit set by finite resources, logistic growth occurs ( K).Birth or beginning phase and growth phase are periods of logistic population increase. Deceleration phase and stationary phase are the other two phases.Logistic expansion occurs in populations when resources are scarce. In logistic growth, population growth slows as resources become more limited and levels out when the environment can no longer support any more increase, producing an S-shaped curve.To know more about population growth here
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What impact did the Industrial Revolution have on the economies of the North and South ???
Answers
Answer: production.
Explanation:
How are tropical rain forests and temperate forests different?
A. Rain forests have more biodiversity.
B. Rain forests have more seasonal changes.
C. Rain forests are less productive.
D. Rain forests have fewer species.
Answers
Answer:
A
Explanation:
Tropical rain forests and temperate forests different because rain forests have more biodiversity. The correct option is A.
What is the difference?Tropical rain forests have a much greater variety of species, from plants to animals, than temperate forests. Temperate forests have a lower biodiversity because they have fewer species of trees and less variation in temperature and rainfall throughout the year.
Additionally, tropical rain forests have a much higher productivity level than temperate forests due to the constant sunlight and warm temperatures.
Tropical rain forests have a significantly higher number of species and greater overall biodiversity compared to temperate forests. This is due to factors such as a more stable climate, high levels of rainfall, and abundant sunlight, which support a wide variety of plant and animal life.
Therefore, the correct option is A.
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rimary psychopath a. Individual who is antisocial because of social learning 1. b. Process whereby, if a person responds in time to a warning signal, he or she avoids painful or aversive stimuli semantic 2. aphasia criminal c. Robert Hare's classification of the "true" psychopath psychopath 3. d. Psychopaths exhibit deficits on variety oftasks that require activation ofthe 4. PCL e. A term used for the neurobiological indicators of a particular phenomenon, such as psychopathy 5. recidivism left f. Individuals who commit antisocial acts because of severe emotional problems or inner conflicts 6 hemisphere emotional g. A return to criminal activity after being convicted of a criminal offense paradox 7. h. Psychopaths seem to be able to talk about emotional cues but lack the ability to use them in the real world secondary psychopath 8. i. Developed by Robert Hare, currently the best- dyssocial known instrument for the measurement of criminal psychopathy j. Higher order mental abilities involved in goal 9, _psychopath antisocial directed behavior. 10 personality disorder is characterized by a k. history of continuous behavior in which the rights of others are violated markers 11 executive 1. Primary psychopaths who engage in persistent and serious antisocial/criminal behavior. 12. functions avoidance . Characteristic found in psychopaths whereby the words they speak are devoid of emotional sincerity learning
Answers
a. Individual who is antisocial because of social learning: secondary psychopath.
b. Process whereby, if a person responds in time to a warning signal, he or she avoids painful or aversive stimuli: avoidance.
c. Robert Hare's classification of the "true" psychopath: primary psychopath
d. Psychopaths exhibit deficits on a variety of tasks that require the activation of the: left hemisphere.
e. A term used for the neurobiological indicators of a particular phenomenon, such as psychopathy: markers.
f. Individuals who commit antisocial acts because of severe emotional problems or inner conflicts: paradox.
g. A return to criminal activity after being convicted of a criminal offense: recidivism.
h. Psychopaths seem to be able to talk about emotional cues but lack the ability to use them in the real world: emotional
i. Developed by Robert Hare, currently the best-known instrument for the measurement of criminal psychopathy: PCL
j. Higher-order mental abilities involved in goal-directed behavior: executive functions
k. History of continuous behavior in which the rights of others are violated: antisocial personality disorder.
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Please Help!! I got this question wrong when I answered lysosomes and ribosomes.
Answers
Answer:
Mitochondria and Chloroplast
Explanation:
Because the mitochondria is the power house
How does a nuclear reaction compare to a chemical reaction?
Answers
Answer:
Nuclear reactions involve a change in an atom's nucleus, usually producing a different element
Explanation:
Chemical reactions, on the other hand, involve only a rearrangement of electrons and do not involve changes in the nuclei. Different isotopes of an element normally behave similarly in chemical reactions.
Mention The importance of royal jelly For Queenbee
Answers
Sorry If this wasn’t the game I was referring to, I just don’t understand how this question is for biology.
it is typical to put the dependent variable on the y-axis and the independent variable on the x-axis. explain why, in this lab, area is the independent variable and species is the dependent variable.
Answers
It is typical to put the dependent variable on the y-axis and the independent variable on the x-axis.In this lab, area is the independent variable and species is the dependent variable because the number of species (dependent variable) is expected to change as a result of variations in the area (independent variable).
By placing area on the x-axis, it allows for a clear visualization of how changes in area impact the number of species found within that area. This arrangement helps in identifying any patterns, trends, or relationships between the two variables. It is crucial to distinguish between independent and dependent variables, as it helps in understanding the cause and effect relationship in scientific experiments and studies.
In this specific case, analyzing the impact of area size on species diversity can provide valuable insights into the habitat requirements and ecological dynamics of various species, allowing for more informed conservation and management decisions. Therefore, it makes sense to plot the area on the x-axis as the independent variable and the number of species on the y-axis as the dependent variable, allowing for a clear representation of the cause and effect relationship between the two variables.
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1. What are the main differences between the two
ecosystems in terms of the organism population?
Biodiversity is the variety of different organisms found on
Earth. It is the measure of the variety of organisms in a
particular ecosystem.
Answers
The variety of natural life and environments on Earth are referred to as biodiversity.
What are the difference in ecosystems and Biodiversity?
An ecosystem is the interactions between living and nonliving elements in a certain area.
An organism is a single living item. A population is all the organisms of the same species in the same place at the same time.
By raising the possibility that species would use complementary resources, and by increasing the likelihood that a particularly productive or efficient species is present in the population.
Therefore, ecosystem and biodiversity both are different but entirely interconnected.
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simple nutrients bypass the requirement for hlh-30 in coupling lysosomal nutrient sensing to survival
Answers
HLH-30 is a transcription factor in Caenorhabditis elegans that plays a crucial role in linking lysosomal nutrient sensing to survival. It regulates various genes involved in the response to nutrient availability and stress conditions.
However, in the presence of simple nutrients, such as basic sugars or amino acids, the requirement for HLH-30 may be bypassed. Simple nutrients can directly activate other nutrient sensing pathways or provide sufficient energy and resources to support survival, independent of HLH-30's regulatory function.
This suggests that HLH-30 may be more critical for coordinating responses to complex nutrient conditions or specific metabolic signals rather than being essential for survival in the presence of simple nutrients alone. The ability of simple nutrients to bypass HLH-30's requirement highlights the complexity and flexibility of nutrient sensing mechanisms in regulating survival and metabolic responses in organisms.
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from an evolutionary perspective, behavior can be viewed best as:
Answers
From an evolutionary perspective, behavior can be best viewed as an adaptive trait that promotes an organism's survival and reproductive success.
Evolutionary theory posits that behaviors have evolved through natural selection, with those that enhance an organism's fitness being favored and passed on to subsequent generations.
Behaviors that increase an organism's chances of survival, such as finding food, avoiding predators, and seeking shelter, are essential for its reproductive success and continuation of its genetic lineage.
From this perspective, behavior can be seen as a product of both genetic factors and environmental influences. Genes play a role in shaping behavioral tendencies, providing a foundation upon which an organism's behavior is built.
However, behavior is also responsive to environmental stimuli and can be shaped by learning, social interactions, and cultural influences.
By understanding behavior through an evolutionary lens, researchers can explore the adaptive significance and evolutionary history of various behavioral traits.
This perspective allows for the examination of how behaviors have emerged and persisted over time, and how they contribute to an organism's survival and reproductive success in its specific ecological niche.
Additionally, it provides insights into the similarities and differences in behavior across species, helping to uncover common principles and patterns that underlie the diversity of behaviors observed in the natural world.
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n a blood typing activity you have three samples which react as given below. which blood groups can sample 3 donate blood to?
Answers
In the blood typing activity given in the question, sample 3 reacts with Anti-B serum but does not react with Anti-A serum or Anti-D serum. The interpretation of this result is that sample 3 has B antigens on its red blood cells (RBCs), but not A antigens or the Rh factor (represented by D).
This is because these blood groups have B antigens on their RBCs, which means that they can donate blood to individuals who have B and AB blood groups. They cannot donate blood to individuals who have A or O blood groups because those blood groups do not have B antigens on their RBCs. In addition, only B+ and AB+ blood groups have the Rh factor (D antigen), which means that they can donate blood to individuals who are Rh positive (i.e., have the D antigen), but not to individuals who are Rh negative.
Hence, sample 3 can donate blood to individuals who have B+, B-, AB+, and AB- blood groups who are Rh-positive.
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Which example is an abiotic factor of a desert environment?
Answers
Answer:
Lots Of Sunlight
Explanation:
Sunlight is the biggest source of energy on our planet which makes it a very important abiotic factor. Sunlight is needed for photosynthesis where a plant would make food by converting carbon dioxide and water to oxygen
Answer:
Temperature
Explanation:
Abiotic factors are non-living components of an ecosystem that shape the living organisms and their interactions within the environment. They include things like temperature, light, water, soil, and air. In a desert environment, temperature is one of the key abiotic factors. Deserts are known for their extreme temperatures, with hot days and cold nights. This high temperature can be a limiting factor for the survival of the organisms that live in these regions.
how do you know when a surface has produced more friction
Answers
Answer:
Rougher surfaces have more friction between them. Heavier objects also have more friction because they press together with greater force.
Hard Rough Surfaces and Plowing
More plowing will result in a higher the friction coefficient, uplow, and thus higher sliding friction force.
3. Consider the statement: "An individual with two normal copies of the hemoglobin gene is said to
be
Which of the following phrases could fill in the blank to make the statement true?
Write "yes" or "no" next to each possible response.
Answers
Answer:
C IS THE ANSWER
Explanation:
YOU MUST ANSWER C
What is the precipitation of Seattle if:
wind speed (mph) - 7
air pressure (mb) - 1020.8
air temp (f) - 42
cloud cover (%) - 0
Answers
Answer:
88
Explanation:
I need help with question 43 and this is a hw assignment
Answers
The central dogma of molecular biology explains the flow of genetic information, from DNA to RNA, to make a functional product, a protein.
DNA - RNA - PROTEIN
The information in the DNA of every cell is converted into small, portable RNA messages. During translation, these messages travel from where the DNA is in the cell nucleus to the ribosomes where they are ‘read’ to make specific proteins.
How has the carbon cycle changed between the Pre-Industrial and Post-Industrial eras?
Answers
Answer: It converts corbon to dox
Explanation:
When was ancestry dna born
Answers
what is meant by locomotor skill
Answers
Answer:
Body moving from one place to another in a vertical plane. Develop bodily control. Walking, running, leaping, jumping, hopping, galloping, sliding, & skipping.
Explanation:
List four density dependent factors that limit population growth.
Answers
Answer:
Competition within the population. When a population reaches a high density, there are more individuals trying to use the same quantity of resources. ...
Predation. ...
Disease and parasites. ...
Waste accumulation.
Explanation:
Brainliest please tysm
Answer:
The density dependent that limit population factors is competition, predation, herbivory, parasitism, disease, and stress from overcrowding
Explanation:
You welcome :)
What is the period of the voltage source that operates the plasma pencil? A.2000 ns. B.1500 ns. C.1000 ns. D.500 ns
Answers
A high-frequency voltage source is often used in the plasma pencil's operation to produce non-thermal plasma, which may range from 500-2000 ns, depending upon the frequencies.
A voltage source's period is the amount of time required for one full cycle of its output waveform. Depending on how it is made and used, a plasma pencil's voltage source's precise period can change. You would need to know the voltage source's frequency (f) in order to calculate the period. The following formula can be used to determine the period (T):
T = 1/f
where:
T is the period and f refers to the frequency.
However, it's worth noting that the values you provided as options (2000 ns, 1500 ns, 1000 ns, and 500 ns) are in the nanosecond range, which suggests that the voltage source likely operates at high frequencies. Plasma pencils typically utilize high-frequency power sources to generate plasma and produce the desired effects.
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Which correctly lists the three gases that are part of Earth’s cycles in both the atmosphere and biosphere? radon, carbon monoxide, oxygen carbon dioxide, nitrogen, oxygen nitrogen, carbon dioxide, carbon monoxide carbon dioxide, radon, oxygen
Answers
The three gases that are part of Earth’s cycles in both the atmosphere and biosphere are:
oxygen- nitrogen- carbon dioxideExplain your answer?
The oxygen, nitrogen, and carbon dioxide are the three gasses that are constantly moving through the atmosphere and biosphere in their own respective cycles.
The oxygen is used by the animals for breathing, but it is also released as a byproduct by the producers. The nitrogen is used as a food source for the producers, as well as the carbon dioxide which is crucial for the process of photosynthesis.
Thus, Part of them is released through decomposition, part by releasing them in the atmosphere or in the soil.
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Answer:
It's B - carbon dioxide, nitrogen, oxygen
Explanation:
edge