In a eukaryotic cell, what separates DNA from the protein translation machinery in the cytoplasm?
Answers
Answer:
Explanation:
In eukaryotic cells, the membrane that surrounds the nucleus — commonly called the nuclear envelope — partitions this DNA from the cell's protein synthesis machinery, which is located in the cytoplasm.
Related Questions
toddlers begin to recognize gender differences by observing their role model. true or false
Answers
The statement is True. Toddlers begin to recognize gender differences by observing their role models.
Toddlers are highly observant and learn by imitating the behaviour of those around them, particularly their role models. Gender is one of the first social categories that children become aware of, and they start to recognize the differences between males and females early on.
They observe the behaviours, clothing choices, and activities of their parents, siblings, and other significant individuals in their lives, and through these observations, they begin to form a concept of gender. These early experiences contribute to the development of their own gender identity and understanding of societal gender roles. Therefore, it is true that toddlers begin to recognize gender differences by observing their role models.
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type of elements that make up less %1 of your body
Answers
Transcribe the following dna strands into mrna strands: ATTCGACGTC
GATAGCTAGG
Answers
Answer:
1. ATTCGACGTC
UAAGCUGCAG
2. GATAGCTAGG
CUAUCGAUCC
Explanation:
First write the DNA strands out:
ATTCGACGTC
GATAGCTAGG
Next, bind the strand with the opposite to the corresponding letter.
For mrna strands, the following is associated with:
A -> U
T -> A (apples in the tree mnemonic)
C -> G (cars in the garage mnemonic)
G -> C (cars in the garage mnemonic)
The strands transcribed into mrna strands would look like:
1. ATTCGACGTC
UAAGCUGCAG
2. GATAGCTAGG
CUAUCGAUCC
Answer:
The first one will be UAAGCUGCAG. The second one is CUAUCGAUCC.
pls help me plsssssss
Answers
PLEASE HELP!! BIOLOGY
Which of the following is NOT an element in the process of natural selection?
a
Individuals struggle for survival.
b
Organisms cause environmental change.
c
Fitness with your environment can lead to an increase in your population.
d
Genetic variation exists within a species.
Answers
Answer: what I learned is that natural selection needs 4 things
Explanation:
over production
genetic variation
i don’t remember the rest but those are the main ones so that there’s lots of offspring in case some cant survive
HOPE I HELPED
Students constructed this model of a hill by covering sugar cubes with clay. The
students placed the model in a large pan and poured hot water over it every day for
a week.
What does the model best represent?
A method for removing fossil fuels from hills
B The formation of caves in hills
C The formation of plains
D A method for separating minerals
Answers
Suppose you inoculate three flasks of minimal salts broth with E. coli under the following conditions:
Flask A: c ontains glucose
Flask B: contains glucose and lactose
Flask C: contains lactose
After a few hours of incubation, you test the flasks for the presence of cAMP bound to CAP. Which flask(s) do you predict with have this bound molecule?
a
b
c
a&b
B&C
Answers
After a few hours of incubation, you test the flasks for the presence of cAMP bound to CAP. Flask A (contains glucose) is a control and produces a low level of cAMP bound to CAP.
Flask B (contains glucose and lactose) produces the highest level of cAMP bound to CAP because the cells are glucose-depleted and lactose is present. Therefore, the correct answer is a&b: Flask A and Flask B. Flask C (contains lactose) produces a lower level of cAMP bound to CAP than Flask B because glucose is absent, and cAMP production is reduced in the absence of glucose. Thus, Flask A and Flask B will have the bound molecule (cAMP bound to CAP) and flask C will not contain it.
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Which answer is not a mechanism for evolution?
Answers
Random mutation is not an mechanism of evolution .
Five important factors for evolution mechanism are Natural Selection, genetic drift, gene flow, mutations, and non random mating. Through these process members of a population differs greatly in their traits.
Natural selection is the most important mechanism of evolution, other evolutionary mechanisms can also change the frequencies of traits in populations. These include mutation, genetic drift and migration. Natural selection have 5 basic and major components These are Variation (individual have variation in appearance and behavior ), Inheritance( traits are continuously passed on from parent to offspring), Selection, Time and Adaptation.
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I have to write a hypothesis based on if plants need sunlight
I would put one plant inside and one outside with everything they get the same except the amount of sunlight
Answers
Answer:
Sunlight is related to plant growth. If the amount of sunlight is increased, then plant growth will increase. The hypothesis that plant growth increases as the amount of sunlight increases was supported by the data.
in what ways does studying thousands of years of climate data and plant distribution data from a specific area help explain the area's current composition of plant species?
Answers
Studying thousands of years of climate data and plant distribution data from a specific area can help explain the area's current composition of plant species in several ways.
Here are some examples: Climate change: Climate data can be used to determine how the climate in the area has changed over thousands of years. This can help explain how the distribution of plant species has changed over time in response to changes in temperature, precipitation, and other environmental factors. Historical events: Historical events such as natural disasters, human settlement, and land use changes can also affect the distribution of plant species in an area.
By studying plant distribution data from thousands of years ago, researchers can gain insight into how these events have affected the composition of plant species in the area over time. Evolutionary processes: Plant species that are found in a particular area today have likely evolved in response to the local environment over thousands of years.
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stagnat water should be drained to destroy mosquitoes
Answers
Answer:
yes and another way u can put fish in pond with stagnant water to eat the larva stage of mosquitoes
Suppose a species lived in an environment that changed very little over millions of years. Which theory about how fast evolution occurs would most likely explain the evolution of that species?
Answers
Gradualism is referred to the theory about how fast evolution occurs in this type of species.
What is Gradualism?This type of evolutionary changes occurs gradually and not in large steps or volume.
This however explains why the species had very little changes for a very long time as a result of the environment being best suited for them.
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Which genotype represents a carrier for an X-linked trait?
XhXh
XHXh
XhY
XHYh
Answers
Answer:
Phenotype Genotype
Normal male XHY
Normal female XHXH
Affected male XhY
Carrier female XhXH
Explanation:
Which of the following organelles directs cellular
activity and stores chromatin?
Answers
Answer:
Nucleus
Explanation:
The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information.
Chromatin is a complex of DNA and protein found in eukaryotic cells. The primary function is to package long DNA molecules into more compact, denser structures.
15 points+brainliest!! please help asap! i need this done rn :(
Answers
Explanation: The two animals were walking peacefully until they came in contact with each other/noticed each other. They fought, and one animal won. It is possible that the green-footprint animal killed the red-footprint animal.
1. two different footprints; red and green.
2. The green footprints are larger than the red footprints
3. the green footprints were the only ones to walk away.
Logical Explanation:
The animal with the green and larger footprints comes in contact with a smaller animal with smaller footprints. The green footprints represent a primary animal, while red represent a secondary animal. The green footprint animal is the only one with footprints walking away because the primary animal, aka the bigger animal, ate the secondary animal.
You are studying a population of Dlugosch’s Small Octopus that has been suffering from a skin disease. In your work, you find that some individuals have more resistance (immunity) to the disease than others. You remember learning about life history trade-offs in your Ecology class, and you hypothesize that immunity trades off with investments in other major life history traits in the octopuses. You decide to design a study to test whether higher immunity leads to a lower number of eggs produced by females.
9. State a prediction for what the results of your study would look like if they support the hypothesis given in the Mission.
Make a figure of results that would be consistent with that prediction:
Label y axis with the variable that should be on the
Label x axis with the variable that should be on the
Draw results bars or lines consistent with your prediction
If the infection reduces the population size of the octopus, would you predict an r or a K strategy would be more likely to evolve (based on what we discussed in class)? Explain why that life history strategy would be favored in a small population, and give at least two traits associated with the strategy that you predict.
Answers
If higher immunity leads to a lower number of eggs produced by females in Dlugosch's Small Octopus, then there will be a negative correlation between immunity level and egg production.
A K approach would be more likely to develop if the illness causes the octopus population to decline. Resources are few in a tiny community, therefore long-term stability and survival are prioritized over rapid population expansion. The K approach emphasizes having fewer kids while allocating more resources to ensuring their survival and welfare. In a small population, the following two characteristics connected to a K strategy might be more prevalent:
Increased parental care: Parents invest more time and resources in raising a smaller number of offspring to increase their chances of survival and reproductive success.
Delayed maturation: Individuals take longer to reach reproductive maturity, allowing them to invest more time in growth, development, and building up resources before reproduction.
These traits help ensure the survival and success of the limited number of offspring in a small population, aligning with the K-selected life history strategy.
In this figure, the y-axis represents the number of eggs produced by females, and the x-axis represents the immunity level of the octopuses. The bars or lines would show a decreasing trend as the immunity level increases, indicating a negative relationship between immunity and egg production.
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please help me please and thank you!
Answers
Answer:
Nuclear Fission
Explanation:
Answer:
Nuclear Fusion
Explanation:
Okay so I might be wrong on this so don't quote it but since it has nucleus Im thinking nuclear.
What force will a cannonball have if it has a mass of 4 kg and accelerates it to 110 m/s²?
Answers
F = ma, you could change this to a = F/m to get a better understanding of the equation. Acceleration and force are directly proportional. The mass is inversely proportional to acceleration. This means the net force will be in the same direction as the acceleration.
Alright back to the problem:
F = 4kg*110m/s^2
F = 440N
Answer the following questions;
a) write 3 examples about reduction of complexity in simulation
b) how to describe models
c) give 3 examples to systems
d) how to classify systems
e) what is sytem analysis
f)how to check models
g) what is numerical simulation
h) explain MBS(multi body systems
i) what is optimization
Answers
Reduction of complexity in simulation can be achieved through abstraction, simplification, and optimization techniques.
How can models be described in simulation?Simulation models can be described using mathematical equations, algorithms, or graphical representations that capture the essential characteristics and behaviors of the system being simulated.
Examples of systems include an ecosystem, a manufacturing assembly line, and a transportation network.
Systems can be classified based on their complexity, behavior, and interdependencies. They can be categorized as simple or complex, deterministic or stochastic, and open or closed systems.
System analysis involves studying and understanding the components, interactions, and behavior of a system to gain insights, make improvements, or solve problems.
Model checking involves verifying the correctness, consistency, and validity of a simulation model by comparing its outputs or behavior with expected or desired outcomes.
Numerical simulation refers to the process of using mathematical models and algorithms to approximate and solve complex real-world problems or phenomena.
Multi-Body Systems (MBS) are mechanical systems consisting of multiple interconnected bodies or objects whose motion and interactions are governed by Newton's laws of motion.
Optimization refers to the process of finding the best or optimal solution to a problem by systematically exploring and evaluating different options or configurations based on defined criteria or objectives.
In summary, reduction of complexity in simulation can be achieved through techniques such as abstraction, simplification, and optimization.
Models in simulation can be described using mathematical equations, algorithms, or graphical representations.
Systems can vary from ecosystems to manufacturing assembly lines, and they can be classified based on various criteria. System analysis involves studying and understanding the components and behavior of a system.
Model checking is used to verify the correctness of simulation models. Numerical simulation uses mathematical models to solve complex problems.
Multi-Body Systems (MBS) involve interconnected mechanical bodies governed by Newton's laws. Optimization aims to find the best solution based on defined criteria.
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It is confusing that genes and proteins are given the same name, such as epas1. let’s sort them out with the basics. a gene is a section of what type of molecule?
Answers
It is confusing that genes and proteins are given the same name, such as epas1. A gene is a section of DNA or deoxyribonucleic acid.
A gene is the basic structural and functional unit of heredity. Genes contain instructions which directs the cells to synthesize molecules called proteins. Proteins perform various functions in the body required for maintenance of health of an individual.
The EPAS1 gene, also called as HIF2A , delivers instructions for the synthesis of a protein known as hypoxia-inducible factor 2-alpha (HIF-2α). This protein is a part or subunit of a larger protein complex called HIF, which plays a crucial role in the body's capacity to adjust to dynamic oxygen levels.
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Will mark brainiest ; worth 24 points ; please help And also can you separate them by claim , evidence and reasoning
Answers
Based on the evidence, Sample B is a better choice for a marathon runner before a big race.
What makes Sample B better?Claim: Sample B is a better choice for a marathon runner before a big race.
Evidence:
Sample B has more calories, carbohydrates, and protein than Sample A.Marathon runners need a lot of calories, carbohydrates, and protein to fuel their long runs.Carbohydrates are the body's main source of energy.Protein is needed for muscle repair and growth.Reasoning:
Sample B has more of the nutrients that marathon runners need to fuel their long runs and recover from their races. Therefore, Sample B is a better choice for a marathon runner before a big race.
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a person who is more than 2o percent heavier than the average person of the same sex and height is said to be
Answers
Answer:
overwieght
Explanation:
HELP
Why is it more advantageous to be multi-cellular than uni-cellular?
Group of answer choices
Uni-cellular organisms are easier to kill than multi-cellular organisms.
Multi-cellular organisms can be seen easily.
Organelles are more specialized making for more efficient life functions.
The life span for uni-cellular organisms are very long.
Answers
Multicellular creatures have longer life spans than unicellular ones because they contain more cells. Multicellular organisms have a higher capacity for environmental adaptation.
What benefits do several cells have?But multicellularity has many benefits, including tolerance to physical and chemical stressors, better resource acquisition, protection from predators, more effective colonization of new lands, and a higher probability of surviving intermicrobial wars.
Why is cell communication favorable to the cells?All multicellular organisms require communication between their cells in order to promote development, environmental adaption, and proper function.
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the negative charge in a water molecule occurs because
Answers
Answer: The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms. When a neutral molecule has a positive area at one end and a negative area at the other, it is a polar molecule.
Explanation:
We know that for example stem Bromelain has an enzymatic activity of 0.542 U/mg and there are 20 billion bacteria in our teeth. Calculate how long does Bromelain take to degrade all of the biofilm created by the bacteria using this rule : a) Any assumptions must be written as "(Assumption)". Plus point for those who tell me why they choose that assumption b) Any other data gained from other sources must be written specifically. If it is a book, you can just write the title of the book and the page. If it is a source/website/journal, just write the title of it. c) If you write other data without stating that it is assumption or obtained from other sources, I assume that you create data by yourself without knowing anything!!
Answers
Given that Stem Bromelain has an enzymatic activity of 0.542 U/mg, and there are 20 billion bacteria in our teeth. We need to calculate how long it takes to degrade all of the biofilm created by the bacteria.Assumptions and explanations used in the calculation: Assumption: The mass of the biofilm is not given. Therefore, it is assumed that the biofilm's mass is 1 mg, as the enzymatic activity of bromelain is provided per mg. If the biofilm's mass is different, the result will be different.
We know the enzymatic activity of bromelain, which is 0.542 U/mg.We are given that the number of bacteria in our teeth is 20 billion. The biofilm is created by these bacteria. Bromelain is supposed to degrade the biofilm. Therefore, we need to calculate the mass of the biofilm. The mass of the biofilm is assumed to be 1 mg, as the enzymatic activity of bromelain is given per mg.Now we can use the given data to calculate the time required for bromelain to degrade all of the biofilms created by the bacteria.First, we need to find the total enzymatic activity required to degrade the biofilm. The mass of the biofilm is assumed to be 1 mg.Enzymatic activity of bromelain = 0.542 U/mgTotal enzymatic activity required to degrade 1 mg biofilm= 0.542 U/mg × 1 mg= 0.542 UThe total enzymatic activity required to degrade the biofilm created by the 20 billion bacteria is:Total enzymatic activity required= Enzymatic activity per bacteria × Total number of bacteria= 0.542 U/mg × 20 billion= 1.084 × 10^10 UTo find out how long it takes for bromelain to degrade all of the biofilm, we need to know the rate of degradation. The rate of degradation depends on various factors, such as temperature, pH, etc., which are not provided in the question. Therefore, it is impossible to calculate the time required for bromelain to degrade all of the biofilms created by the bacteria without knowing the rate of degradation. Thus, the answer cannot be calculated.
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Some form of early Homo is estimated to have evolved into Homo erectus around: O 5-7.5 million years ago
O 1.7-2 million years ago O 10,000-40,000 years ago O 50,000-70,000 years ago t
Answers
Some form of early Homo is estimated to have evolved into Homo erectus around 1.7-2 million years ago, option B is correct.
Homo erectus is believed to have evolved around 1.7-2 million years ago based on fossil evidence and dating methods. Fossil discoveries, such as the famous Nariokotome Boy skeleton found in Kenya, provide crucial insights into the anatomy and characteristics of Homo erectus. These fossils, along with other archaeological and genetic evidence, suggest that Homo erectus was the first hominin species to exhibit significant anatomical and behavioral differences from earlier hominins.
The emergence of Homo erectus marked a significant milestone in human evolution, as this species had a larger brain size, more advanced tool-making abilities, and potentially even the ability to control fire. These developments laid the foundation for the subsequent evolution of Homo sapiens, option B is correct.
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The complete question is:
Some form of early Homo is estimated to have evolved into Homo erectus around:
A) 5-7.5 million years ago
B) 1.7-2 million years ago
C) 10,000-40,000 years ago
D) 50,000-70,000 years ago
A DNA sequence is shown: TAGCATGAG. What is produced when the sequence is transcribed?
1) a section of DNA with the base sequence ATCGTACTC
2) a section of mRNA with the base sequence AUCGUACUC
3) a section of mRNA with the base sequence AUCCUCGUA
Answers
Answer:
2) a section of mRNA with base sequence AUCGUACUC
Explanation:
To transcribe the sequence means to find the mRNA sequence. First, get the DNA sequence that will pair with the given sequence. Next, change the symbol of thymine to uracil.
The first option contains the DNA sequence that will pair with the given sequence. If thymine is changed to uracil, the answer is AUCGUACUC.
A DNA sequence is shown TAGCATGAG. a section of mRNA with base sequence AUCGUACUC is produced when the sequence is transcribed. Thus, option B is correct.
What do you mean by transcribe the sequence?The term transcribe means the sequence means to find the mRNA sequence. First, get the DNA sequence that will pair with the given sequence. Next, change the symbol of thymine to uracil and the DNA sequence that will pair with the given sequence. If thymine is changed to uracil, the answer is AUCGUACUC.
The list is to start with the the suggestion that will reduce medical errors the most. After you review the data, you find that the errors are even spready among many areas.
Therefore, A DNA sequence is shown TAGCATGAG. a section of mRNA with base sequence AUCGUACUC is produced when the sequence is transcribed. Thus, option B is correct.
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Disruptive selection in the environment refers to?
A. One extreme/trait favored
B. Two extremes/traits favored
C. No extremes/traits favored
D. Three extremes/traits favored
Answers
Answer:
B - Two extremes with traits favored.
Explanation:
Removes individuals with average valued traits creating two populations with said extreme traits.
Which of the following is formed when a group of tissues works together to preform a common function
A. Body
B. Organ
C. Brain
D. Organ system
Answers
Hope you like that
An organ is a structure made up of two or more tissues that work together to carry out a specific job.
the α-helix and the β-pleated sheet are part of which protein structure?
Answers
The most widely realized sorts of extra plans are the α helix and the β creased sheet. The two plants are held in the body by hydrogen bonds, which structure between the carbonyl O of one amino caustic and the amino H of another.
The α-helix is a typical component of protein optional construction, framed when amino acids "end up" to shape a right-given helix where the side chains bring up from the focal loop.
In the α-helix construction of proteins, the polypeptide chains are balanced out by intramolecular hydrogen holding though the β-chimed sheet design of proteins is settled by intermolecular hydrogen holding.
Valine, threonine, histidine, tyrosine, and isoleucine are probably going to establish in beta sheets. Though leucine, glutamate, and alanine will more often than not be available in alpha helices. Beta sheets come in two structures; hostile to endlessly resemble.
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