(BRAINLIEST QUESTION) Transcription makes mRNA copies from DNA. For this reason transcription must take place in the ____________ of the cell.
Cytoplasm
Nucleus
Ribosomes
Endoplasmic reticulum
I think it's B
Answers
Nucleus always have DNA
Related Questions
Researchers have been studying the evolution of bighorn sheep in response to trophy hunting at Ram Mountain, Canada, since 1973. This population was intensively hunted until 1996, when hunting regulations increased the minimum size of the horns of rams (males) that could be shot, after which the number of rams killed by hunters each year decreased dramatically. More recently, researchers observed that, in response to the selective pressure imposed by the hunters, the average horn length of rams decreased by almost 30% between 1973 and 1996. After hunting pressure decreased in 1996, horn length rebounded, increasing by about 13%. Which evolutionary mechanism likely underlies born length in the bighorn sheep population? O genetic drift natural selection speciation inbreeding
Answers
The evolutionary mechanism that likely underlies horn length in the bighorn sheep population at Ram Mountain, Canada is natural selection.
Researchers observed a significant decrease in average horn length of rams between 1973 and 1996, which coincided with intense trophy hunting. This suggests that hunters were selectively targeting rams with larger horns, leading to a decrease in the average horn length over time. However, after hunting regulations were implemented in 1996, which increased the minimum horn size for hunting, the number of rams killed decreased, allowing individuals with longer horns to survive and reproduce. This resulted in a rebound in horn length, indicating that natural selection favored individuals with longer horns.
Natural selection is a fundamental mechanism of evolution that acts on heritable traits within a population. In this case, the selective pressure imposed by trophy hunting exerted a strong influence on horn length in bighorn sheep. The initial decrease in average horn length can be attributed to selective hunting of rams with larger horns, as those individuals were more likely to be targeted and killed by hunters. This artificial selection altered the genetic composition of the population, favoring individuals with shorter horns.
However, when hunting regulations were modified to protect rams with shorter horns, the selective pressure was alleviated, allowing individuals with longer horns to have higher reproductive success. Over time, this led to an increase in average horn length as the genetic trait for longer horns became more prevalent in the population.
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Which phase of the cycle of violence includes physical acts intended to inflict pain? A) acute battering. B) tension building. C) remorse/reconciliation
Answers
Acute battering phase of the cycle of violence includes physical acts intended to inflict pain.
A is the correct answer.
The batterer displays unrestrained violent outbursts during the Acute Battering Incident phase. Despite being the shortest of the three, this is the most hazardous. In order to punish the victim, batterers frequently cause harm to them. The wounds may initially appear tiny, like a slap, a pinch, or a hair pulling.
The best way to understand battering is as a continual traumatic experience that, like many other types of trauma, has a significant psychological impact on the victims. PTSD, despair, chronic pain, and substance dependence are among the long-term physical and mental health issues that battered women are more likely to experience.
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what enters and leave the body during respiration in order for the body to function correctly
Answers
Answer:
The respiratory system enables oxygen to enter the body and carbon dioxide to leave the body.
In the 1840s, many Irish families grew one variety of potato for food. Suggest
why a disease (potato blight) caused mass starvation in Ireland at this time.
Answers
The proteins are incubated with the primary enzyme The proteins are transferred from the gel onto a thin membrane of nitrocellulose or other absorbing First he proteins are sprayed from a capillary under a strong electric field. Second The proteins are incubated with the secondary antibody Third Proteins reacted with substrate for secondary antibody enzyme tag Fourth The proteins are digested using enzymes. Fifth The proteins are incubated with the primary antibody The separation of proteins via electrophoresis.
Answers
Electroblotting or electrotransfer plans depend on the electrophoretic versatility of proteins to move them out of a gel.
The procedures include putting a protein-containing polyacrylamide gel in direct contact with a piece of nitrocellulose layer, PVDF film, or other reasonable protein-restricting help.
Protein moves from the gel to the layer is fundamental for two reasons: Better taking care of capacity presented by the film contrasted with a delicate gel. Better objective protein availability on the layer by macromolecules like antibodies.
Electroblotting is the most ordinarily utilized methodology to move proteins from a gel to a layer.
The electric field utilized for the exchange is situated opposite the outer layer of the gel making proteins move out of the gel and onto the blotching film, which sits between the gel surface and the positive terminal.
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What needs to happen to a carbohydrate before it is absorbed in the small intestine? A. It needs to be combined with other carbohydrates. B. It needs to be converted into amino acids. C. It needs to be broken down into simple sugars. D. It needs to travel from the stomach to the mouth.
Answers
Answer:
C.
Explanation:
Answer:
a
Explanation:
i looked it up (brainliest pls)
Is antibiotic resistance a gain in genetic information, or a loss in genetic information?
Answers
Answer: Yes, it indicates that the resistance to antibiotics comes from a loss of genetic information, not a gain in information.
Explanation:
Some scientists found that in each strain of bacteria that had developed resistance to antibiotics the bacteria had dropped from its chromosomes a gene called
k
a
t
G
which codes for the production of two enzymes.
17) The function of the kidneys is to cleanse the blood. To do that, kidneys filter almost everything from the blood, and then put most everything back in to the blood. One of the
substances filtered and then put back is glucose. If a doctor notices that there is glucose in a patient's urine sample, then what would be a reasonable explanation?
1. The patient must be on a low carbohydrate/high protein diet.
II. The patient has too many carbohydrates in his/her blood.
111. The patient is dehydrated.
IV. The patient has diabetes.
A) I only
B) il only
I and II only
D) II and IV only
Answers
Answer:
I think its II and Iv
ExplanationBecause when they is glucose in a patient's urine it means that the patient has diabetes or are too many carbohydrate in his or her blood
if a patient eat too much food containing carbohydrates ,the digestive system breaks down the digestible one into sugar which enters the blood. As blood sugar level rises ,the pancreas produces insulin(a hormone that prompt cells to absorb blood sugar for energy or storage)
why biology is an incomplete subject
Answers
Explanation:
I dont think so biology is an comlete subject
The 'Cell theory' states that all living things are made of cells.
Which of the statements below also form part of the 'cell theory'?
A. Cells come from pre-existing cells.
B. Cells are surrounded by a cell wall.
C. Cells have a nucleus.
.D. Cells contain proteins.
Answers
The cell theory also states that cells come from pre-existing cells, the answer is option A.
What is the cell theory?The cell theory of life according to Theodor Schwann, states three components which include:
All living things are composed of one or more than one cellsThe basic unit of an organism's structure and organization is the cellCells emerge from pre-existing cellsCells are the units and building block of every living organism on their own and contain genetic information encodings. They have energy flowing through them and are usually composed of the same chemicals.
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Questions for Hydration: Why its so Important
1) What percentage of your body does water make up?
2) What 5 functions does water serve in our bodies?
3) In what 3 ways do you lose water from your body every day?
4) What percentage of your daily water intake do you receive from eating?
5) What happens at about 1% hydration loss?
6) Why does urine become darker in the body?
7) How many total fluid Ounces of water should you be drinking each day (yes you need to do
math)?
8) True or False. You can drink too much water?
9) When is it recommended to drink sports drinks and what is the ingredient in them that makes
them more beneficial?
10) What is the problem with juices and sports drinks?
11) How much water do you drink every day?
Answers
Answer:
1
Explanation:
because it makes your body have more energy when you are tired of doing certain things.
amoeba sisters: nature of science
Answers
Answer:
The scientific mrthod is a process used by scientists to find answers to a question or to solve a problem. No there isn't just one because there are several versions of the scientific method. Some versions have more steps, while others may have only a few. Scientists can add steps, take out steps, revise, or make models.
The scientific method is a systematic approach used by scientists to investigate and understand the natural world.
It consists of a series of steps that guide the process of conducting scientific research and acquiring knowledge.
While there is a general framework for the scientific method, it is important to note that there is no single, universally accepted version of it.
The exact steps and emphasis may vary depending on the field of study, the specific research question, and the nature of the scientific inquiry.
Different branches of science may have their own specialized methodologies and techniques.
For example, the methods used in social sciences or qualitative research can differ significantly from those used in the natural sciences.
Thus, this is all about scientific methods.
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Which response is not associated with the successful use of a liquid disinfectant for the inactivation of a biohazard
Answers
Slow exhaust time setting is the response which is not associated with the successful use of a liquid disinfectant for the inactivation of a biohazard.
What is a Disinfectant?This is referred to a chemical substance which destroys or inactivates microbes on surfaces etc.
Its action is usually very fast and it having a slow response means its use wasn't a successful one as damages may have been done already.
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FIRST TO ANSWER GETS BRAINLIEST
put the animals from the food web into food pyramid (producer, primary consumer, secondary consumer, and tertiary consumer)
Answers
Food pyramids represent food webs or chains. Producers are located on the base of the pyramid, while the last links are located on the top of the pyramid. 1st level ⇒ producers ⇒ tree, shrub, grass, 2nd level ⇒ herbivores ⇒ giraffe, rhino, grasshopper, mouse, impala, 3rd level ⇒ carnivore ⇒ fiscal shrike, caracal, lion, 4th level ⇒ carnivore ⇒ snake, baboon, shunk, leopard, 5th level ⇒ vulture.
What is a food pyramid?
A food pyramid is the representation of a food web drawn as a pyramid, in which the lowest levels are located on the base of the pyramid, while the highest levels are placed on the upper part.
1st level ⇒ producers ⇒ on the pyramid base2nd level ⇒ herbivores ⇒ follow producers3rd level ⇒ carnivores ⇒ follow herbivores4th level ⇒ carnivores ⇒ follow carnivores from the anterior levellast level ⇒ top predators ⇒ on the top of the pyramidEnergy flows from the bottom to the top of the structure, and as it does, part of it is lost to the environment as heat, following the 10% rule.
In the exposed web,
1st level ⇒ producers ⇒ tree, shrub, grass2nd level ⇒ herbivores ⇒ giraffe, rhino, grasshopper, mouse, impala3rd level ⇒ carnivore ⇒ fiscal shrike, caracal, lion4th level ⇒ carnivore ⇒ snake, baboon, shunk, leopard5th level ⇒ vultureYou can learn more about a food pyramid at
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Which scientist determined the nature of the forces that keep the planets in their orbits?
Newton
Brahe
Galileo
Copernicus
Answers
Answer:
Newton
Explanation:
Isaac Newton discovered this forces that keep the planets in their orbits
"Study nature, love nature, stay close to nature. It will never fail you."
Agree
Disagree
Explain why you voted the way you did.
Answers
Agree
Living near nature help you to keep your mood in positive way!!!When i study with nature i feel very good. Nature is my best friend!
Which of these experiences the highest rates of cellular respiration?
A. Plants
B. Protozoa
C. Animals
D. Fungi
Answers
The experiences the highest rates of cellular respiration is the plants.
Vital renewal is a complex process and produced in most factories with plants, usable energy (ATP) and usable power (P)H) for process transformation and maintenance. As a result, convert a large part of photosyntates back to CO2.
What is photosynthesis?It is a process carried out by photosynthetic autotrophic organisms, such as plants, algae and some prokaryotes. These organisms capture sunlight, convert it into chemical energy, which will be used to produce organic compounds, based on water and carbon dioxide.
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A hiker has become overwhelmed with heat while walking in the Grand Canyon. The hiker's body goes into overdrive to keep cool in the heat. The hiker needs to hydrate his or her cells. What process is used to regulate homeostasis?
A. Balanced equilibrium
B. Passive transport
C. Cellular transport
D. Hydration
Answers
Suppose you destroyed a bacterial cell's ability to make cyclic AMP (cAMP \&). Would this affect the cell's ability to metabolize glucose and lactose, and if so, how? Yes. The cell could metabolize glucose normally, but could only use a small amount qflactose. Yes. The cell could NOT metabolize any lactose, regardless of whether glucose was present or not. Yes. The cell could NOT metabolize any glucose and would have to rely solely on lactose for energy. No, the cell's ability to metabolize glucose and lactose would be unchanged
Answers
Whether or not there was glucose available, the cell was unable to digest any lactose. Yes is the correct response.
Cyclic AMP (cAMP) is a second messenger that plays a role in a variety of cellular processes, including metabolism. In bacteria, cAMP is involved in the regulation of the lactose operon. When lactose is present, it binds to a receptor on the cell surface, which activates a protein called adenylate cyclase.
Adenylate cyclase then catalyzes the conversion of ATP to cAMP. cAMP then activates a protein called CAP, which binds to the promoter region of the lactose operon and initiates transcription of the genes that encode the enzymes necessary for lactose metabolism.
If the ability of a bacterial cell to make cAMP is destroyed, then the lactose operon will not be activated, even if lactose is present. This means that the cell will not be able to metabolize lactose. The cell will still be able to metabolize glucose, however, because glucose does not require cAMP for its metabolism.
In summary, destroying a bacterial cell's ability to make cAMP will prevent the cell from metabolizing lactose, but it will not affect the cell's ability to metabolize glucose.
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the formal taxonomic system used by biologists today was developed by _____.
Answers
The formal taxonomic system used by biologists today was developed by Carolus Linnaeus, a Swedish botanist, physician, and zoologist, in the 18th century. Linnaeus' system of taxonomy classifies living organisms into a hierarchical structure based on their similarities and differences.
This system includes seven taxonomic ranks, from the largest group to the smallest: kingdom, phylum, class, order, family, genus, and species. Each organism is assigned a unique scientific name based on its genus and species, known as binomial nomenclature.
Linnaeus' contribution to the field of biology was revolutionary, as it provided a standardized way for biologists to organize and name the vast array of living organisms on Earth. Today, the taxonomic classification remains a crucial tool in biological research, allowing scientists to understand the relationships and evolutionary history of species. However, as new technologies and discoveries emerge, the taxonomic system continues to evolve, and biologists are constantly revising and refining their understanding of the natural world.
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Indicate the statements that support the relationship between protein and structure.
1) A protein that unfolds or is incorrectly folded can use chaperones to correct the structure.
2) When some proteins are denatured, with the return of the normal environmental conditions they might refold.
3) A protein's final shape is determined by the secondary structure.
4) pH, temperature, and agitation can denature proteins rendering them active.
5) A disease may occur if proteins don't fold correctly.
Answers
This statement underscores the critical role of a protein's structure in maintaining proper cellular function and suggests that misfolding can have serious consequences for health.
The statements that support the relationship between protein and structure are as follows:
1) A protein that unfolds or is incorrectly folded can use chaperones to correct the structure. This statement suggests that a protein's structure is essential for its proper function, and when it is compromised, chaperones can assist in the folding process.
2) When some proteins are denatured, with the return of the normal environmental conditions they might refold. This statement indicates that a protein's structure is not fixed and can change based on its environment, but it has the ability to regain its original structure.
3) A protein's final shape is determined by the secondary structure. This statement emphasizes the importance of a protein's secondary structure in determining its final shape and, consequently, its function.
4) pH, temperature, and agitation can denature proteins rendering them inactive. This statement highlights the sensitivity of a protein's structure to external factors, which can alter its shape and function.
5) A disease may occur if proteins don't fold correctly. This statement underscores the critical role of a protein's structure in maintaining proper cellular function and suggests that misfolding can have serious consequences for health.
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Why does air cool when it rises through the
atmosphere? What is this type of cooling
known as?
Answers
Describe the process of respiration which takes place in human beings whe
oxygen is not available and give an effect.
(T
Answers
Answer:
The process in which respiration takes place without oxygen is called as anaerobic respiration.
Aerobic respiration In anaerobic respiration the energy produced is very low as compared to aerobic respiration The organisms which use this type of respiration process are fungi, yeast In this process, (in yeast) glucose broke down into pyruvate and gives ethanol , carbon dioxide and energy In human muscle cells when there is a lack of oxygen this process occurs in which lactic acid and energy are produced.More to know -Pyruvate is three carbon -molecule.
The build up of lactic acid causes cramps in muscles.
A regular, unexcited carbon atom with an atomic number of 6 would be expected to have how many electrons?
question 12 pls!
Answers
Answer:
4 if I am not mistaken
Explanation:
i need help cant get this one wrong
Answers
Answer:
ik that 1 goes to blue
Explanation:
how rapidly are tropical forests being cleared and degraded and why is such cutting viewed as a serious global environmental problem?
Answers
Deforestation refers to destruction of naturally occurring forests, that takes place primarily due to human activities .
Activities includes cutting trees for fuel, burning agriculture, clearing land for livestock grazing, mining operations, oil extraction, dam building, and urban sprawl or other types of urban development and population expansion.
Their are many effects of deforestation that includes loss of trees and other vegetation that have major effects on climate, desertification, soil erosion, flooding, increased greenhouse gases in the atmosphere. It is one of the major environmental concern that may leads to loss of biodiversity, damage to natural habitats, disturbances in the water cycle, and soil erosion.
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What do you think chloroplasts do?
Answers
Answer: the chloroplast absorbs the energy in sunlight and uses it to produce sugars. ... Chloroplasts play an important part in the process of photosynthesis in some organisms. The chloroplast absorbs the energy in sunlight and uses it to produce sugars. The Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce food for the plant. Chloroplasts capture light energy from the sun to produce the free energy stored in ATP and NADPH through a process called photosynthesis.Without chloroplasts, plants would not be able to get their energy from the sun and would cease to survive, leaving us without food. On the other hand, without mitochondria, animals would be lacking in cellular energy and would also fail to survive.
Explanation:
Answer:
Chloroplast is where chemical reaction takes place in the cell.
Explanation:
2. I Love Popcorn!
Jason wanted to find out how he could increase the number of popcorn kernels that pop when
1
cooked. He hypothesized that more kernels would pop if he used more oil. To test this, he placed
100 kernels of "Pop Rite' popcorn into a popcorn popper that contained different amounts of oil. He
used the following amounts of oil: 5 ml, 10 ml, 20 ml, and 30ml. He used 5 ml of oil as the control.
Header
He conducted the test 3 times for each amount of oil. He then counted the number of kernels that
had popped. Each time he heated the oil for 2 minutes and cooked the popcorn for 4 minutes.
Hypothesis: I think the popcorn with the most oil will have the most popped kernels because the hotter
all the oil gets and the more oil there is in it, then the kernels will be able to pop faster. What are the:
Independent Variables:
Dependent Variables:
Controlled Variables:
Answers
Answer:
Independent: amounts of oil
Dependent: amounts of popped kernels
Controlled variables: Kernel brand, cooking time, popping time
Explanation:
Independent variables are what are changed in the experiment. The dependent variables depend on the independent so they are what is affected each time. Usually this is what is being tested for. Controlled variables are those that aren't being tested and are kept the same each time to make sure it doesn't change the outcome.
Explain how to distinguish different species by their DNA.
Answers
DNA analysis can be used to distinguish different species by comparing specific regions of their DNA sequences.
To distinguish different species by their DNA, scientists primarily focus on comparing specific regions of the DNA sequences that are highly variable among species. One commonly used region is the mitochondrial DNA (mtDNA), which is inherited maternally and has a higher mutation rate compared to nuclear DNA. Another region is the ribosomal RNA genes (rRNA), which exhibit variations among species.
The process typically involves extracting DNA samples from different organisms, isolating the target region of interest, and sequencing the DNA to determine the nucleotide sequence. The sequences obtained from different species are then compared to identify differences and similarities.
These differences can be used to create DNA profiles or genetic markers specific to each species. Advanced techniques such as DNA barcoding or whole-genome sequencing can provide more comprehensive information and aid in species identification.
By comparing DNA sequences, scientists can uncover genetic variations unique to different species, allowing them to distinguish and classify organisms accurately. This information is valuable in various fields, including taxonomy, conservation biology, forensic science, and evolutionary research.
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Which statement is FALSE about epigenetic modifications?
a. The tails of the nucleosome octamer components can be modified with methylation
b. The tails of the nucleosome octamer components can be modified with acetylation
c. Only non-DNA components of chromatin are modified with epigenetic markers
d. Epigenetic modifications control whether a region is euchromatin or heterochromatin
Answers
The false statement about epigenetic modifications is:
c. Only non-DNA components of chromatin are modified with epigenetic markers.
Epigenetic modifications refer to changes in gene expression that do not involve changes to the underlying DNA sequence. These modifications can be inherited and can influence how genes are turned on or off in different cells or at different stages of development.
a. The tails of the nucleosome octamer components can be modified with methylation: This statement is true. Methylation of the tails of nucleosome octamer components, which are made up of histone proteins, can affect gene expression by either activating or repressing the associated genes.
b. The tails of the nucleosome octamer components can be modified with acetylation: This statement is also true. Acetylation of histone tails is another type of epigenetic modification that can influence gene expression. Acetylation generally leads to gene activation by relaxing the chromatin structure and allowing transcription factors to access the DNA.
d. Epigenetic modifications control whether a region is euchromatin or heterochromatin: This statement is true. Epigenetic modifications play a crucial role in determining whether a region of DNA is in a euchromatin state, which is more accessible for gene expression, or a heterochromatin state, which is more condensed and less accessible for gene expression.
In summary, the false statement is c. Only non-DNA components of chromatin are modified with epigenetic markers. Epigenetic modifications can occur on both DNA and non-DNA components of chromatin, such as histone proteins. These modifications can have significant impacts on gene expression and are essential for cellular development and function.
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