B The oxygen concentration in the alveolus is greater than in the blood.
what is meant by translocation? view available hint(s)for part f what is meant by translocation? the two ribosomal subunits are joined in a complex. the ribosome slides one codon down the mrna. the polypeptide chain grows by one amino acid. the completed polypeptide is released from the ribosome.
The ribosome slides one codon down the mRNA. Option B.
Transcription is the technique of the producing of RNA from DNA. Translation is the gadget of the formation of protein from RNA. Translocation is the motion of substances in vegetation from the leaves to other elements of the plant. Translation takes area at the ribosome, which includes rRNA and proteins. In translation, the instructions in mRNA are take a look at, and tRNA brings the perfect collection of amino acids to the ribosome.
Metabolic techniques, particularly the products of photosynthesis are transported from the leaves in which they may be formed to unique factors of the plant. This shipping of soluble photosynthetic products is known as translocation and takes vicinity in a part of the vascular tissue called the phloem. A mutation wherein non-homologous chromosomes change stretches of DNA. Autosomal issues. Autosomal troubles affect each women and men.
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The carbohydrate produced by photosynthesis can be stored as starch in the leaf. A plant with variegated leaves used up its store of starch because it was placed in the dark. Explain why the plant used up its store of starch when it was placed in the darkThe carbohydrate produced by photosynthesis can be stored as starch in the leaf. A plant with variegated leaves used up its store of starch because it was placed in the dark. Explain why the plant used up its store of starch when it was placed in the dark
the process by which a nerve cell recaptures some of the neurotransmitters it has released is known as .
Important aspect of business is the process by which some small molecule transmitters are retrieved by the presynaptic terminal.
What are neurotransmitters and what do they do?Your body can't function without chemical messengers called neurotransmitters. These are charged with transmitting chemical "messages" through one neurons (nerve cell) to a succeeding target tissue. The following cell line may be a glandular, muscle, or another nerve cell.
What is controlled by neurotransmitters?Neurotransmitters, which are produced by nerve cells, also known as neurons, are crucial components of this system. Impulses are fired by nerve cells. By releasing neurotransmitters, also referred to as the body's chemical messengers, they achieve this. These substances send messages to other cells.
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environmental impacts from freshwater aquaculture include group of answer choices economic loss of income from sport fishing. nutrient overload and escape of exotic species. water loss due to increased irrigation. introduction of heavy metals into native fish.
Environment impacts freshwater aquaculture include nutrient overload and escape of exotic species.
When the aquaculture sector first started to take off, there were a few things that made it difficult for the sector to produce fish sustainably. The goal of fish farming has never been to harm the environment; rather, it is to improve food security.
Environmental issues did, however, develop. There was no lack of unfavorable press, and these reports have stuck with the general public. Nutrient and effluent build-ups, the negative effects of fish farms on nearby wild fisheries due to disease and escape, and environmental damage as a result of the site's location were common criticisms.
Aquaculture's harmful environmental effects are complex. When there are many fish in one place, nutrients might accumulate. The trash that fish produce has the potential to accumulate in the neighborhood. Algal blooms and dead zones may result from the water's oxygen being depleted in this way. Antibiotic use by farmers to prevent disease has raised concerns about the drugs' impact on the ecosystem surrounding the cages, including wild fish. Many people were also concerned that the escaped non-native fish would increase food competition among wild fish, possibly driving out the native fish.
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ap enivornmental science frq (c) identify the region of the world that is experiencing the largest growth rate. (d) explain three factors that have contributed to this growth.
Accumulation of capital stock. will increase hard work inputs, along with people or hours worked. Technological development.
Three out of five of the most populous international locations in the world are located in Asia. in the end, the highest populace growth price is likewise located there, the u. s . with the best population growth charge in Lebanon.
The area of the world with the best quotes of natural growth is Sub-Saharan Africa. B. three elements that make a contribution to high populace growth rates are the lack of training, lowering demise prices, and a lack of getting the right of entry to healthcare.
Elements of production are resources that are the building blocks of the financial system; they're what people use to supply goods and offerings. Economists divide the elements of production into four categories: land, labor, capital, and entrepreneurship.
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i need help with biology
Answer: A, carboxyl group
Explanation:
if a scientist wanted to compare the expression of one gene under two sets of conditions, what technique would they use?
If a scientist wanted to compare the expression of one gene under two sets of conditions, chain termination is the technique they would use.
Chain termination is any chemical response that ceases the formation of reactive intermediates in a sequence propagation step withinside the route of a polymerization, efficaciously bringing it to a halt.
Sanger sequencing, additionally referred to as the “chain termination technique”, is a way for figuring out the nucleotide collection of DNA. The approach become evolved with the aid of using time Nobel Laureate Frederick Sanger and his colleagues in 1977, subsequently the call the Sanger Sequence.
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the sequencing of entire genomes has made it possible to examine the level of gene expression in a particular cell or tissue by using oligonucleotide probes to assess the mrna expression level from a particular gene. this is done most effectively through the use of
Microarray is the technique for sequencing of entire genomes and examining the level of gene expression in a particular cell or tissue by using oligonucleotide probes.
A microarray is a laboratory technique used to simultaneously measure the expression of thousands of genes. A known DNA sequence or gene is contained in each of the thousands of tiny spots that are printed on microscope slides in specific locations. These slides are called DNA microarrays. These slides are frequently referred to as DNA or gene chips. To detect gene expression, also referred to as the transcriptome or the collection of messenger RNA (mRNA) transcripts expressed by a group of genes, the DNA molecules attached to each slide serve as probes.
mRNA molecules are typically taken from an experimental sample and a reference sample to perform a microarray analysis.
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what is the term that describes the amount of air moved in each breath multiplied by the respiratory rate?
Minute volume is the term that describes the amount of air moved in each breath multiplied by the respiratory rate.
In the field of biology, minute volume can be described as the approximate measure of the volume of air that is moved in or out of the lungs by a person during a time frame of one minute.
Minute volume is a measure of the approximate air that a person can either inhale or exhale so that the average respiratory rate of a person can be known.
Through the calculations made by minute volume, doctors can decide whether the lungs of a function are working properly or not. If the minute volume is lower than average, then this means that the lungs of the person have been damaged.
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Marine Science Explain the law of conservation of energy.
The law of conservation of energy states that energy can neither be created nor be destroyed in a chemical reaction or biological system. Although, it gets transformed from one form to another.
What is an example of the law of conservation of energy?An example of the law of conservation of energy is as follows:
When you roll a toy car from a flat staircase, it will fall into the ground where the kinetic energy gets transferred into potential energy.This may be clearly understood by the fact when taking all forms of energy are present in the environment, the total energy of this isolated environment always remains constant. This reveals the law of conservation of energy.
Therefore, the law of conservation of energy is well described above.
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Which axis indirectly shows the relative amount of dna per cell? by what relationship?.
The x-axis indirectly shows the relative amount of DNA per cell. As the DNA was stained, there is a relationship between fluorescence and DNA content.
The x-axis does not show the relative amount of DNA per cell directly. It can be seen through a special type of graph known as a histogram. If we look at it, peaks and dips can be seen as similar to fluorescence.
This indirectly shows the relative amount of DNA per cell. This confirms the relationship between the fluorescence and the relative amount of DNA in the cell.
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what would happen if the trna synthetase for proline added lysine instead of proline to the proline trnas in a particular cell? explain your answer in no more than 3 sentences, including the consequences for the proteins made by the cell and the cell itself.
If the tRNA synthetase for proline adds lysine instead of proline to the proline tRNAs in a particular cell, it will lead to mistranslation.
Mistranslation occurs when tRNA carries the wrong amino acid, leading to the addition of wrong amino acid in the nascent protein produced.
The mistranslated protein produced may get misfolded, leading to dire consequences inside the cell that can result in disease/disorder. It is found that the addition of lysine instead of proline will result in amyloid formation (Prions) and, thus lead to neurodegenerative diseases.
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100 points and brainlest if answer is right
Answer:
Evolved first
Explanation:
Prokaryotic cells Evolved to other forms of organelles (mitochondrial and chloroplast)in the eukaryotic cells
And with regards to the other options available can not only be with respect to Prokaryotic cells because other cell possess plasma membrane, ribosomes and DNA as well
Answer:
c) Evolved first
Explanation:
Eukaryotic cells started to form after the evolution of prokaryotes.
So, the characteristic of prokaryotic cells is that they evolved first. Hence, the option (c) is the correct answer.
Examine the diagram.
What genetic condition do the individuals in blue have?
which statement best describes the goal of medications used to treat myasthenia gravis? a. to inhibit ca2 release from the sarcoplasmic reticulum b. to inhibit the function of acetylcholinesterase c. to decrease the number of synaptic vesicles d. to increase the number of acetylcholine receptors e. to promote multiple motor unit summation
To increase the number of acetylcholine receptors best describes the goal of medications used to treat myasthenia gravis.
Myasthenia gravis is a persistent autoimmune, neuromuscular disorder that reasons weak spot withinside the skeletal muscular tissues that worsens after durations of interest and improves after durations of rest. These muscular tissues are chargeable for features concerning respiration and shifting components of the body, such as the palms and legs.
How critical is myasthenia gravis?
The maximum critical headaches of myasthenia gravis is a myasthenia crisis. This is a circumstance of excessive muscle weak spot, especially of the diaphragm and chest muscular tissues that assist respiration. Breathing can also additionally come to be shallow or ineffective.
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which species are representatives of the green algae? multiple choice chlamydomonas, volvox, and coralline coralline algae, volvox, and spirogyra diatoms, volvox, and spirogyra chlamydomonas, volvox, and spirogyra diatoms, chlamydomonas, and volvox
The representatives of the green algae are Chlamydomonas, Volvox, and Spirogyra
What is algae?
Algae are members of a paraphyletic group that set them apart from other types of life by being eukaryotic, watery, and photosynthetic. They cover a broad spectrum of creatures, from single cells through colonies to multicellular organisms.
What is green algae?
A kind of algae known as green algae are distinguished by their greenish color. The presence of a lot of chlorophylls a and b in the plastids of green algae is what gives them their greenish hue and allows them to photosynthesize. The ratios of these pigments are identical to those seen in vascular plants.
Therefore, Chlamydomonas, Volvox, and Spirogyra are the members belong to green algae.
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Q5: Based on your answer to Q3, how many of those units does each of the above have?
Circle each unit" in the above molecules.
Carbohydrates are made up of monosaccharide; lipids are made up of Glycerol and fatty acids and Proteins are made up of Amino acids.
What are Carbohydrates?
Carbohydrates are the simple sugar molecules which consist of carbon, hydrogen and oxygen atoms having a ratio of hydrogen–oxygen of 2:1. One of three main nutrients along with proteins and fats.
Body breaks down carbohydrates into glucose which is the main source of energy for your body's cells, tissues, and organs and can be used immediately or stored in the liver and muscles for later use.
There are three main types of carbohydrates:
1.Sugars
They are also called simple carbohydrates as they are present in the most basic form.
2.Starches
They are complex carbohydrates made up of lots of simple sugars strung together.
3.Fiber
It is also a complex carbohydrate which cannot be break down
Thus, Carbohydrates are made up of monosaccharide; lipids are made up of Glycerol and fatty acids and Proteins are made up of Amino acids.
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Eggs mature in the________
of the
female reproductive system. What
one word completes the sentence?
Enter your answer
Eggs mature in the ovaries of the female reproductive system.
Eggs in female refers to the female germ cells also called the ovum. It is a haploid structure that gets fertilized by a male germ cell in order to give rise to offspring. Egg is said to the largest single cell in the female body. It has no flagella and hence cannot move.
Ovaries are the gland or the reproductive organs that are involved in the production of female germ cell called the egg. In human females, there exists a pair of ovaries that consists of thousand of ova stored in it. Apart from ovum, these ovaries also synthesize some hormones.
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the human bacterial pathogen neisseria gonorrhoeae contains pilin, proteins that invoke an immune response. the amount of the pathogen eventually declines when the host antibodies recognize the pilin. however, the pathogen has replicated and have new pilin, so the old immune response is no longer effecive. this pathogen is successful in the host because:
Pathogen Neisseria gonorrhoeae is capable of evading host immune defenses through a variety of mechanisms, including ongoing alterations in the antigenic structure of its surface, resistance to complement-mediated bacteriolysis, and perhaps the synthesis of IgA1 protease.
The effects of gonorrhea on the body?The body may use inflammatory cells like neutrophils to fight off NG invasion in the case of a gonococcal infection, or it may start its adaptive immune response by presenting an antigen to get rid of the pathogen. The infection is challenging to eradicate due to NG's numerous immune escape strategies.
Can you become resistant to gonorrhea?It is generally known that gonorrhea can be contracted repeatedly without any visible development of a protective immunity due to prior infections. A purulent discharge is a sign of symptomatic infection, but it is unclear how the host will react.
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which of the following is unique to cardiac muscle cells? only cardiac muscle contains a sarcoplasmic reticulum. only cardiac muscle has gap junctions. only cardiac muscle is capable of autorhythmicity only cardiac muscle has a high concentration of mitochondria.
Only cardiac muscle cells shows autorhythmicity The unique feature of cardiac muscle cells is autorhythmicity .
Cardiac muscle cells (cardiomyocytes) are striated, branched, have a large number of mitochondria, and are controlled involuntarily.
Specialized cardiac muscle cells known as autorhythmic cells are where action potentials (electrical impulses) in the heart are thought to begin. These cells have the capacity to self-excite and produce an action potential without external nerve cell activation. The autorhythmic cells offer a conduction system to coordinate the contraction of muscle cells throughout the heart and act as a pacemaker to start the cardiac cycle (the heart's pumping cycle).
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Diya wants to test the effect of listening to different types of music on the human heart rate. She takes the resting heart rate of her test subjects then has them listen to one type of music for 5 minutes and takes their heart rate again. Each test subject repeats the test listening to three different types of music.
What is the independent variable in Diya’s experiment?
A. Listening for 5 minutes
B. Effect of listening
C. Different types of music
D.Heart rate
1) During the 1950's, several scientists were responsible for discovering the structure of DNA. One scientist, Erwin Chargaff, found that in DNA, the ratios of adenine (A) to thymine (T) and guanine (G) to cytosine (C) are always equal. What does Chargaff's discovery indicate about the structure of DNA and its impact on replication? All BUT ONE choice could apply.
A.)Adenine pairs with thymine; guanine with cytosine.
B) The base pairing facilitates DNA replication and RNA transcription. Eliminate
C) When pairing nucleotides, you must pair a purine with a pyrimidine.
D) If we read the sequence of nucleotides on one strand of DNA, we can identify the complementary sequence on the other strand.
Chargaff's discovery about the structure of DNA and its impact on replication is associated with the observation that adenine pairs with thymine; while guanine pairs with cytosine (Option A).
What is the deoxyribonucleic acid (DNA) molecule?The deoxyribonucleic acid (DNA) molecule is a double helix molecule composed of two chains of nucleotides (adenine or A, guanine or G, cytosine or C and thymine or T) linked via hydrogen bonds, where A pairs with T via two hydrogen bonds, while C pairs with G via 3 hydrogen bonds.
Therefore, with this data, we can see that in the deoxyribonucleic acid (DNA) molecule adenine pairs with thymine while cytosine pairs with guanine.
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which stress on a population is a direct result of overcrowding? responses air pressure changes air pressure changes rapid spread of disease rapid spread of disease mutation mutation immigration
Stress on a population that is a direct result of overcrowding is : rapid spread of disease .
What is overcrowding?Overcrowding increases the risk of infection as number of potential transmitters increases. This results in the children and adults living in crowded conditions getting more infections and severe infections.
While population density offers an objective measure of the number of people living per unit area but overcrowding refers to people's psychological response to density.
Overcrowding may be caused due to increased birth rates, lower mortality rates, reduced predation and large scale migration. This leads to the overabundant species and other animals in the ecosystem competing for food, space, and resources.
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in most animlas, a three-chamber heart would be very inefficient. why does it work well for amphibians
A three-chambered heart works well for amphibians because two atria in the amphibian heart pump blood into the single ventricle at different times, resulting in very little blood mixing.
An amphibian's heart, like the heart of a frog, contains three chambers: one ventricle and two atria. The body receives oxygenated blood from the ventricle as it goes to the lungs, skin, and other organs. Before leaving the heart, blood that has been deoxygenated and blood that has been oxygenated are combined in the ventricle. Compared to the mammalian heart, this is an extremely ineffective mechanism.
However, since amphibians have slower metabolisms, they need less oxygen. Less oxygen consumption reduces the demand on the heart to pump highly oxygenated blood. In light of the fact that amphibians could also take in oxygen through their moist skin, a heart with three chambers is ideal for their needs.
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What is the relationship between temperature and orca survival?
The relationship between temperature and orca survival is that they inhabit waters with a constant temperature of 0 degrees, therefore if the temperature rises, the orca's prey will perish.
What connection exists between Orcas and temperature?Orcas maintain a body temperature that is comparable to that of humans. Orcas, however, lose a lot more heat to the environment than humans do since they live in water.
Orcas have developed a variety of strategies to attempt and keep their heat under check in reaction to this.
Note that Killer whales have also been spotted in warm water environments, including Florida, Gulf of Mexico, as well as more temperate regions, like New Zealand as well as South Africa.
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which of the following is true of neandertals? select one: a. they could control fire. b. they deliberately buried their dead. c. they are considered by many archaeologists to be a subgroup of homo sapiens. d. all of the answers are correct.
Neanderthals performed funeral ceremonies and buried their deceased using flowers.
In 1908, a possible Neanderthal tomb was first found in southwest France at La Chapelle-aux-Saints. These 50,000-year-old bones' excellent preservation prompted scientists to hypothesize that Neanderthals interred their dead long before modern humans reached western Europe. At the time, soil samples connected to one of the bones included clusters of flower pollen, which led researchers to hypothesize that Neanderthals performed burial ceremonies and buried their dead using flowers. To bury their dead, Homo neanderthalensis (Neanderthals) built pits. They buried their deceased using flowers in their funeral ceremonies .The purposeful placement of remains in caverns and their intentional burial date to around 115,000 years ago at Qazfeh in Israel.
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the disease characterized by fatty infiltration of the liver and replacement of functioning liver cells with fibrous connective tissue is known as
Cirrhosis is a condition marked by fatty infiltration of the liver and replacement of healthy liver cells.
What does biological cirrhosis of the liver mean?Chronic liver disease known as cirrhosis causes healthy liver cells to break down and be replaced by scar tissue. The liver's ability to digest nutrients, regulate hormones, and detoxify medicines and toxins, including alcohol, is hindered by this scar tissue.
What is a liver degenerative disease?The liver disease cirrhosis progresses over time. If the trigger is removed, such as quitting drinking alcohol, or if the virus is treated, the damage to your liver may occasionally improve or reverse.
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which solvent is a commonly used to extract all the lipids from homogenized tissue samples and subsequent separation of the lipids from the proteins and sugars present in those samples?
Solvents that are used to extract the lipids from homogenized tissue samples and subsequent separation of the lipids from the proteins and sugars present are methanol and chloroform.
How are lipids extracted?Lipids are extracted using solvent-based techniques. In some cases, solvents are subjected directly into cell pellets, but in other cases, solvents are employed during disruptions of cell.
Lipids are insoluble in polar solvents like water but highly soluble in non-polar or weakly polar organic solvents like ether, chloroform, benzene, and acetone.
The Bligh and Dyer method is a widely practiced methods for lipid extraction. It is very similar to the Folch method, but differs in solvent/solvent and solvent/tissue ratios.
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To investigate how the vegetation in a coastal ecosystem changes with distance from
the high tide mark, the BEST sampling technique would be
(A) a line transect placed across the ecosystem
(B) regular observation of the ecosystem
(C) a quadrat placed randomly within the ecosystem
(D) a piece of string placed across the ecosystem
which gives results obtained
A line transect placed across the ecosystem is the best sampling technique.
What kind of vegetation is there along the coast?
Maritime forests, scrub thickets, grassy upland grasslands, freshwater swamps, freshwater marshes, mangrove swamps, saltwater marshes, and grassy or forested dunes are a few examples of common coastal vegetation environments.
What is line transect method?
As a guide for a sampling technique used to determine the distribution of organisms, a tape or string is laid along the ground in a straight line between two poles. Sampling is strictly limited to organisms that are in direct contact with the line.Another form of systematic sampling, similar to the belt transect, is the line transect. The line transect involves drawing a line through a habitat. It might be as easy as laying a string or rope across a habitat. In this strategy, the organisms that really touch the line are taken into account. As a result, only organisms that come into contact with the line can be sampled.Despite being similar to the belt transect, this approach only yields a little amount of data. It merely displays the changes occurring along the line. Species' existence and absence are noted. It displays a specific linear or gradient pattern along the line. With the aid of scale-drawn icons for various species, the data is presented as a diagram. The relative densities of different species cannot be determined via a line transect. The belt transect method is slower than this one, though.Hence line transect method is best used to investigate the vegetation of coastal system.
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an ecologist recorded 12 white-tailed deer per square kilometer in one location and 200 deer per square kilometer in another location. what was the ecologist comparing?
The ecologist was contrasting density.
What variables influence population change?Demographers often concentrate on four key variables when attempting to predict changes in population size: fertility rates, death rates (life expectancy), beginning age distribution of the population (whether it is relatively elderly or young to begin with), and migration.
Which of the following can contribute to population regulation that is density dependent?Competition and predation, which affect birth and mortality rates, can have an impact on density-dependent regulation. Abiotic elements and environmental factors, i.e., extreme weather and conditions like fire, can have an impact on density-independent regulation.
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