Answer:
Transcription occurs in the nucleus.
Translation occurs at the ribosome in the cytoplasm.
Some female moths emit chemicals that male moths can detect from far away. How
does this most likely contribute to the survival of the moth's species?
O It confuses predators
It provides camouflage
O It helps find mates
It helps find food
Answer:
It helps find mates
Explanation:
Mating helps with reproduction which helps with survival.
History taking is key part of each initial consultation. Which of the following is NOT typically included?
How the animal is behaving
What tests are going to be carried out
What the symptoms are
How the animal is eating and drinking
What treatments they are receiving (including non-prescribed)
Answer:
what test are going to be carried out
Which of the following best describes the behavior of nonconservative elements in seawater?
A. Nonconservative elements are reactive in seawater and have a long residence time.
B. Nonconservative elements are reactive in seawater and have a short residence time.
C. Nonconservative elements are non-reactive in seawater and have a short residence time.
D. Nonconservative elements are non-reactive in seawater and have a long residence time.
Answer: Option C.
Nonconservative elements are non-reactive in seawater and have a short residence time.
Explanation:
Non conservative elements are elements that enter the sea water and have little concentrations in the ocean and show spartial variationns. These elements have short residence time I .e short replacement time and they are non reactive .Constituents such as phosphate, nitrate, and other nutrients, and dissolved oxygen, carbon dioxide, etc. are non-conservative because their concentrations are later changed by chemical reaction in the sea.
Pick one of the following misconceptions from the list below.
Write a 3 to 5 sentence statement to correct it.
Explain the error in the misconception and provide evidence, examples, or facts to support the correct answer.
If your explanation does not include specific details/facts and is constructed with vague statements, you will not receive points.
Use the information from the lessons to find supporting details.
Misconceptions- Pick ONE
weather and climate are the same thing
cold or unusually cool weather is proof that global warming is not really happening
human activity cannot change climate because the atmosphere and Earth itself are so big
The burning of fossil fuels, logging of forests, and raising of livestock all have a rising impact on the climate and temperature of the planet. This increases the greenhouse effect it causes global warming atmosphere.
Does the definition of climate and weather overlap?When you go outside on every given day, you encounter the weather. In those other words, it refers to the short-term atmosphere at a certain region. The average of a place's weather patterns over a longer time frame, typically 30 years or more, is called the climate.
How does anthropogenic climate change get destroyed?The amount of greenhouse gases, aerosols (small particles), or cloudiness in the Earth's atmosphere change as a result of human activities, which also contribute to climate change. Burning fossil fuels, which emits carbon dioxide gas into the atmosphere, is the largest known contributor.
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In which ways do cells use glucose during the production of ATP?
a) cells incorporate some of the atoms from glucose molecules into ATP molecules.
b) cells convert glucose molecules entirely into energy which is stored as ATP.
c) cells transfer some of the energy stored un glucose's chemical bonds to ATP.
d) cells directly combine glucose with oxygen in the ETC to produce energy for ATP.
The correct answer is option B. Cells convert glucose molecules entirely into energy which is stored as ATP.
Production of ATP (Adenosine Triphosphate) takes place from ADP (Adenosine Diphosphate) during photosynthesis in plants (from sunlight) and during cellular respiration in animals (through mitochondria). This occurs only when aerobic respiration is taking place. There are two ways through which animal cells or our body cells produce ATP. The two processes are: substrate level phosphorylation and oxidative phosphorylation. In both cases, glucose molecules are converted completely into ATP. Highest ATP production takes place through oxidative phosphorylation, which is also the most common method utilized by our body for ATP production.
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Choose which way of evolution caused the FQ antibiotic resistance.
Answer:
Antibiotic resistance is an act of evolution via natural selection. The antibiotic action is an environmental pressure: those bacteria which have mutation allowing them to survive and re-produce
Explanation:
A variation in the properties of an organism over a period of time is called evolution.
Antibiotic resistance can transpire naturally or due to progression.
This type of endurance occurs so that the bacteria can persist and proliferate in the changed conditions.
Fluoroquinolones (FQ) modify the enzymes like DNA gyrase and topoisomerase IV.
The bacteria in order to survive from this antibiotic adapted mechanism so that the use of antibiotics would not hinder their reproduction mode and hence they will be able to survive.
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The chief advantage of learning over natural selection as a means of adapting to change is that learning
Learning has a major advantage over natural selection for adjusting to change because that learning is faster.
When certain genotypes respond to environmental stimuli by producing more offspring than others, this process is known as natural selection. From generation to generation, there is a non-random shift in allele frequencies. In On the Origin of Species by Natural Selection (1859), Charles Darwin outlined four prerequisites for evolution through natural selection:
1. The trait being selected for in the population must have more than one variant, or allele, in the gene that codes for it.
2. The trait under evaluation must be inherited and be encoded by a gene or genes.
3. the fight for survival, in which many more springs are formed than can endure in the environment.
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tRNA Molecules
Cytoplasm
Leu
Ser
Leu
car
Ser
Pro
Arg
Tyr
Glu
Gly
GAC
AGG
G A G
AGA
G GA
UCU
GUA
с и с
CC G
Anticodons
Met-Lys
H20 Counter
1
U UC
Codons
GA A GGG CCA ACGACUUU AUCGG
mRNA
5'
Ribosome
3'
Continue to build the protein by joining amino acids to the chain in the correct order. Every amino acid
joined to the protein results in the production of one more water molecule. Click "Dehydrate" to form the
peptide bonds and watch the water molecule counter and be sure to record all data in your data table.
1) Intro
Answer:
What are you even listing!
If one DNA strand reads CCGTAATGCAT, what will be the sequence of the complimentary strand?
the efficiency of energy transfer from grass plants to grasshoppers; grasshoppers to spiders; and spiders to birds was not exactly 10%. why do you think these answers did not equal exactly 10%?
Energy transfer efficiency in ecological systems is impacted by a variety of factors and might depart from the predicted value of 10%.
Here are a few reasons why the real efficiency could not be 10%:
Energy loss during metabolic processes: Energy is lost as heat within organisms during metabolic activities.
Inefficiencies in nutrition absorption: The capacity of organisms to absorb and digest nutrients from their food affects the efficiency of energy transfer.
Energy allocation and efficiency: Organisms allocate energy for a variety of reasons, including reproduction, maintenance, and mobility.
Complexity and trophic interactions: Ecological systems are complex, having several trophic levels and interwoven food webs.
Thus, these answers did not equal exactly 10%.
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If perfect growing conditions allowed a population of producers to grow and increase in density, which of the following changes in the food web would be expected initially?
A. New populations of herbivores would enter the food web
B. The population size o fab herbivores in the food web would decrease
C. Members of predator populations would leave the food web
D. The population size of predators in the food web would decrease
Answer:
A.
Explanation:
The population of herbivores wouldn't decrease because their food source is being increased. Predators wouldn't leave because more herbivores come to eat the increased number of producers, thus more than likely increasing the number of predators.
Initially, it would be expected that the food web would evolve when new populations of herbivores entered it. So, the correct option is A.
What is Food web?All the food networks in a specific ecosystem make up a food web. Each organism inside an ecosystem is a link in a number of food chains. Energy and nutrients can go along different food chains as their move through the environment.
A food web is created by the linkages between various, interdependent food chains. It involves intricate relationships between producers and consumers. Here, a variety of lower trophic level species are consumed by higher trophic level organisms.
At first, it would be anticipated that as additional population of herbivores entered the food web, it would change.
Therefore, the correct option is A.
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Which claim has the highest degree of objectivity?
O A scientist working for a real estate company wrote an article stating that the air quality in that town was the best
in the state.
O A research team working at a university wrote an article stating that multiple experiments have shown that marine
ecosystems are sensitive to water pollution
O A research team working for a bread company wrote an article stating that their company's bread is healthier
than the competitor's bread.
O A doctor who appears in commercials for a specific medicine wrote an article stating that many people could
benefit from taking that medicine.
Answer:
A research team working at a university wrote an article stating that multiple experiments have shown that marine ecosystems are sensitive to water pollution.
Explanation:
Answer:
B. A research team working at a university wrote an article stating that multiple experiments have shown that marine ecosystems are sensitive to water pollution.
Explanation: Got this right on edge ;)
1.
One hundred lab rats were used in a controlled study to determine the effect of aspirin on the frequency of heart
attacks. Fifty rats were each given a daily injection containing 40 mg of aspirin for a period of 1 year. On a daily
basis, each of the other 50 rats would most likely receive an
Answer:
The other 50 would probably not receive aspirin because you need a control group.
Explanation:
Help! a gene for a certain neurotransmitter is being made in a brain cell. how can mrna represent an exact copy of that gene?
A. it is put together using base-pairing rules.
B. it matches the nucleotides of the dna exactly.
C. rna polymerase cuts out a section of the dna.
The mrna represent an exact copy of that gene as it is put together using base-paring rules.
What is Gene expression?Gene expression is the process by which genetic information carried by DNA are converted from genes via messenger RNA to proteins. mRNA is the molecules that links genes to proteins.
The mRNA is formed through the process of transcription from a gene strand. The mRNA is then translated into protein by the joint action to transfer RNA and the ribosome.
mRNA therefore, serves as a temporary copies of information found in the DNA. Thus, and mRNA represents an exact copy of the gene and it is put together using base pairing rules.
Therefore, The mrna represent an exact copy of that gene as it is put together using base-paring rules.
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Answer: it is put together using base-pairing rules.
Explanation: i took the test !
bill and betty have had two children with down syndrome. bill's brother has down syndrome
Bill and Betty's family history suggests that there could be an inherited component to their children's condition and familial translocation Down syndrome is a possible explanation.
Down syndrome is a genetic condition that occurs when an individual has a full or partial extra copy of chromosome 21, resulting in a total of 47 chromosomes instead of the typical 46. This extra genetic material affects the development of the individual, leading to intellectual and developmental disabilities, as well as physical characteristics such as a flattened face and almond-shaped eyes.
In Bill and Betty's case, they have had two children with Down syndrome, which suggests that there might be a genetic predisposition in their family for this condition. While most cases of Down syndrome are not inherited and occur randomly during the formation of reproductive cells, there are certain instances where inheritance plays a role.
Bill's brother also has Down syndrome, which could indicate a possible genetic link. One form of inherited Down syndrome is called familial translocation Down syndrome, where a parent carries a rearranged chromosome 21 without any signs of the disorder themselves. If either Bill or Betty is a carrier of this rearranged chromosome, they might have an increased chance of having children with Down syndrome.
In summary, although most cases of Down syndrome occur randomly, Bill and Betty's family history suggests that there could be an inherited component to their children's condition. Familial translocation Down syndrome is a possible explanation, but genetic testing and consultation with a medical professional would be necessary to determine the exact cause.
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can someone please help me with this !
Scientists have changed the model of the atom as they have gathered new evidence. One of the atomic models is shown below. A purple center outlined in black with two concentric black circles around the center, the inner circle having 2 small green balls on it and the outer circle having 8 small green balls on it. What experimental evidence led scientists to change from the previous model to this one?
Answer:
A few of the positive particles aimed at a gold foil seemed to bounce back.
Explanation:
Some of the positive particles aimed at a gold foil seemed to bounce back which gives information to the scientists that some heavy particles present in the center of the atom which bounce back the positive particles. so from this evidence the scientists says that atom is divisible and having subatomic particles such as proton, electron and neutron. Proton and neutron is present in the center whereas electron is revolving around the nucleus of an atom.
Answer:
I don't have an exact answer.
Explanation:
Anyone who bothers to use the answer above me, DON'T! It's an inncorrect answer. I lost my 100% in my class for that answer alone so it is either (A. (C. (D.
What could occur if excess cement is left at the cavosurface margin of a crown?
A. Slowly dissolve, thus loosening the crown.
B. Irritate the area and cause inflammation.
C. Demineralized the enamel.
D. Create an occlusal prematurity.
Leaving excess cement at the cavosurface margin of a crown could cause irritation and inflammation of the surrounding tissues. Therefore, option B is the correct answer.
The excess cement can act as a foreign body and cause irritation and inflammation, leading to discomfort, pain, and swelling. Additionally, it can make it difficult for the patient to clean the area adequately, leading to plaque accumulation and potential periodontal problems.
Option A is incorrect because excess cement does not dissolve but hardens over time, making it difficult to remove. Option C is also incorrect because excess cement does not directly demineralize the enamel. Option D is also incorrect because excess cement at the cavosurface margin does not create an occlusal prematurity. However, if excess cement is present on the occlusal surface of the crown, it can lead to occlusal interference and cause occlusal prematurity.
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when a dividing cell undergoes cytokinesis, two cells are produced. What is a educated guess about the meaning of cytokinesis.
Answer: cytokinesis is the splitting of a single cell into two daughter cells after telophase of mitosis is completed
Explanation:
Which statement is true regarding sea anemones?(a) Although sea anemones lack definitive brains, they do possess ganglia that serve a similar function to the paired ganglia of flatworms.(b) None of the other answer options is correct.(c) Sponges, not sea anemones, possess what is considered to be the "simplest" nervous system found in animals.(d) Because sea anemones are "simple" organisms, these animals only possess motor neurons; sensory neurons or interneurons are never found in sea anemones.(e) Although sea anemones possess "net-like" nervous systems, these animals have brains located at their bases (near where they would attach to rocks).
The correct option regarding sea anemones is (b) i.e. None of the other given options of answer is correct. The order Actiniaria contains several marine creatures, including sea anemones. They resemble anemones, a kind of terrestrial plant, in look and name.
There is no free-swimming medusa stage in sea anemones. Invertebrates of the order Actiniaria that are predatory in the sea include sea anemones. The eggs and sperm produced by the polyp itself are fertilised to create a planula larva. It immediately grows into polyps. They are capable of having both sexual and asexual offspring. They are unable to produce their own food or engage in photosynthesis. As a result, sea anemones and single-celled algae form facultative mutualistic partnerships. The oral disc and tentacles are home to the algae, which are exposed to sunlight and protected from other feeders. The algae provide the sea anemones with food and oxygen. The stinging cells also protect the algae, making it less likely that herbivores would eat them up.
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What is the term given to sand, clay, and decaying organic matter?
which is not a way that ancient people classified plants and animals
One way that ancient people did not use to classify plants and animals is based on their genetic or evolutionary relationships.
Ancient classifications of plants and animals were typically based on observable characteristics such as appearance, behavior, and usefulness. They relied on morphological features like shape, size, color, and habitat to group organisms together.
Ancient classifications often focused on practical aspects such as medicinal uses, edible properties, or cultural significance. For example, plants might have been classified based on their healing properties or their suitability for food or construction materials. Animals might have been categorized based on their physical traits, such as their ability to fly or swim.
However, ancient people did not have access to the scientific understanding of genetics or the tools to study DNA sequences, which are fundamental in modern taxonomy. They lacked the knowledge of shared ancestry and evolutionary relationships that form the basis of modern classification systems such as cladistics and phylogenetics.
Therefore, the genetic or evolutionary relationships between organisms were not considered in ancient classifications, distinguishing them from the approach used in modern biological taxonomy.
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the skeletons of mammalian forelimbs represent variations of a structure that was present in their common ancestor. what has most likely caused the variation in forelimbs?
The variations in forelimbs of the skeletons of mammalian forelimbs are most likely caused by adaptive radiation, genetic drift, mutation, and natural selection.
Explanation:Adaptive radiation Adaptive radiation occurs when a species colonizes a new environment with an array of ecological niches and evolves to exploit these resources. Adaptive radiation can result in a wide variety of organisms being created that are adapted to specific ecological niches, and this can occur in a relatively short amount of time.Genetic drift Genetic drift refers to the random variations in gene frequencies over generations.
It has the potential to cause significant changes in the genetic make-up of a population in a relatively short amount of time, but it is more commonly seen in small populations. Mutation Mutations are random changes in the genetic material of an organism, usually caused by errors in DNA replication. Mutations may be caused by environmental factors such as radiation, or they may be random. Natural selection Natural selection is a mechanism of evolution that occurs when individuals with beneficial adaptations are more likely to survive and reproduce than individuals without these adaptations.
The variations in forelimbs of the skeletons of mammalian forelimbs are most likely caused by adaptive radiation, genetic drift, mutation, and natural selection.
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Many fossils are buried inside the canyon wall. What do you think scientists can infer from the rock layer in which a fossil is found? Construct an explanation to support your answer.
By analyzing the rock layer in which a fossil is found, scientists can gain valuable information about the age, habitat, and ecology of the organism, as well as the geology and climate of the region during the time period in which it lived.
What is Fossil Fuels?
Fossil fuels are natural resources that are formed from the remains of dead organisms, such as plants and animals, that have been buried for millions of years and have undergone geological processes such as heat and pressure. The three main types of fossil fuels are coal, oil, and natural gas, and they are used to generate energy to power many aspects of modern society, including transportation, heating and cooling homes and businesses, and electricity generation.
Scientists can infer a variety of information from the rock layer in which a fossil is found. For example, they can determine the age of the fossil by analyzing the age of the rock layer in which it is located. This is because different layers of rock form at different times, and by examining the properties of the rock, scientists can determine its age.
Additionally, scientists can use the characteristics of the rock layer to make inferences about the environment in which the organism lived. For example, sedimentary rocks that contain fossils may provide information about the type of habitat that the organism lived in, such as a riverbed, lakebed, or ocean floor.
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An atom of a certain element has 18 protons, 18 electrons, and a mass number
of 40. At room temperature this element is a very stable gas. How many
neutrons are in this atom?
Record your answer and fill in the bubbles on your answer document. Be sure
to use the correct place value.
Answer:
40-18 = 22
Explanation:
The mass number is the sum of the neutrons and protons. You know you have 18 protons and a mass number of 40.
Review why carbon can form a variety of organic compounds in a variety of shapes.
Answer:
Carbon atoms readily bond with each other and can form long chains, branched molecules, and rings—an enormous variety of carbon backbones for organic molecules.
Explanation:
Carbon atoms easily connect with one another, allowing for the formation of lengthy chains, branching molecules, and rings—a vast array of carbon backbones for organic molecules.
What is carbon?Carbon is defined as the elements are distinguished by their capacity to form firmly bound chains that are sealed off by hydrogen atoms.
Carbon is also defined as an atomic number 6 chemical element with the symbol C.
Carbon is nonmetallic and tetravalent, with each atom releasing four electrons to form covalent chemical connections.
Carbon has the capacity to quickly form bonds with other atoms, which allows for greater flexibility in the shape and function of biomolecules such as DNA and RNA, which are required for the defining traits of life growth and replication.
An organic molecule is defined as a complex molecule composed mostly of carbon atoms that are bound with other elements and/or other carbon atoms.
Carbohydrate, lipids, nucleic acid and protein are some of the example of organic molecules.
Thus, carbon atoms easily connect with one another, allowing for the formation of lengthy chains, branching molecules, and rings—a vast array of carbon backbones for organic molecules.
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View photo, help asap!
biotechnology can be seen from two perspectives
1. Traditional application of biotechnology
2. New application of biotechnology
so bacteria is used (traditionally) in food productions such as yogurt ( using the bacterias lactobacillus and streptococcus) and also Cheese.
Modern application: bacteria can be used in the production of biogas
hope this helps u!
What is a malformed frog
Answer:
Frogs with deformities that typically include missing limbs, extra limbs, partial limbs, limbs that are bent and contorted, or limbs that have little muscle, are malformed frogs. Most frogs are usually malformed because of the sensitivity to the environmental factors around them while growing out of the tadpole stage
Burning of organic matter releases carbon dioxide into the
atmosphere. This process is known as
a respiration
b decomposition
C consumption
d combustion
Combustion, so therefore the answer is D
Burial 1: Male; around 25 years old; no grave goods
Burial 2: Male; around 40 years old; buried with undecorated ceramic pot
Burial 3: Female; early teens; buried with a bronze bracelet and a ceramic pot
Burial 4: Female; around 40 years old; buried with a gold and garnet necklace, two blue glass bowls from France in a wooden box; a carved bone comb; three gold rings; an intricate gold and garnet crown; found beneath a burial mound (also known as a barrow)
Burial 5: Unknown sex; infant; no grave goods Burial 6: Male; around 40 years old; buried with an iron sword, leather sheath, and the remains of a shield
QUESTION: Although the sex of many of the individuals in this cemetery can be determined archaeologically, their gender is not immediately obvious. What is the difference between sex and gender?
Sex refers to biological and physical characteristics, while gender refers to the social and cultural roles and identities associated with being male or female in a particular society or culture. Sex and gender are two distinct concepts, and their meanings differ in the field of archaeology and anthropology.
Sex: Sex refers to the biological and physical characteristics that differentiate individuals as male or female. These characteristics are typically determined by reproductive anatomy and genetics, such as primary and secondary sexual characteristics.
Gender: Gender, on the other hand, is a social and cultural construct that encompasses the roles, behaviors, identities, and expectations associated with being male or female in a particular society or culture. Gender is influenced by social, cultural, and historical factors and can vary across different societies and time periods.
In archaeological contexts, sex is often determined through the analysis of skeletal remains, examining biological markers such as pelvic structure, skull features, or DNA analysis. It is an assessment of an individual's biological sex at birth.
On the other hand, gender in archaeological studies is more challenging to ascertain as it involves understanding the cultural and social roles and identities associated with individuals. Gender can be inferred from the presence or absence of certain grave goods, burial practices, or other cultural indicators. However, it is important to note that gender cannot be definitively determined from archaeological evidence alone and is often subject to interpretation and speculation based on cultural context.
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