The majority of proteins are then carried in membrane vesicles to the Golgi apparatus.
How are proteins in secretions moved?The p24 family of type I transmembrane putative cargo receptors, which are important components of the transport vesicles and continuously recycle between the ER and Golgi with their short, carboxy-terminal cytoplasmic domains acting as ER export or retrieval, may also be used to transport soluble secretory proteins.
How does the endomembrane system transport proteins?A transport vesicle then carries the protein to the plasma membrane along with its final set of carbohydrate chains. The vesicle and plasma membrane merge, and the cargo of lipids and proteins is incorporated into the plasma membrane.
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bt corn is a genetically modified crop that contains a gene from another species. the genetic modification was made to give the plant which characteristic?
"Insect Resistance" is the characteristic this gene give the plant.
Bt-corn is a type of genetically modified organism.
Genetically Modified Organism :
A GMO is a animal or plant that has been genetically modified through the addition of a small amount of genetic material from other organisms through molecular techniques.
How was Bt corn genetically modified?
To create a Bt corn, plant scientists selected the gene for a particular Bt toxin and inserted it into the cells of corn plant at the embryo stage. The resulting mature plant has the Bt gene in all its cells and expresses the insecticidal protein (in leaves).
What are the benefits of Bt corn?
It can help producers keep crop loss minimum and retain higher profit margins and saves producers the time and money associated with scouting for pests and spraying pesticides on infected crops.
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what would the reproductive consequences be in dark skinned humans in geographic regions with low uv exposure?
Every person's DNA carries information about their genetic links with other people, including how far back those relationships date.
Genetic markers, which are unusual DNA changes that are passed down across generations, are essential for understanding the migration patterns of contemporary human groups. Various populations have unique markers. Once a marker has been located, it can be used to determine its origin, or the most recent ancestor shared by all those who carry the marker. Following these markers down the generations reveals a genetic tree with many different branches that can all be traced back to a common African root. The power plants of the body are the mitochondria found inside each cell; they produce the energy required for biological organisms to exist and operate. The DNA in mitochondria, also known as mtDNA, is separate from the DNA found inside the nucleus.
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What causes evaporation?
1.Air that is supersaturated with water vapor comes into contact with the surface of the water
2.Air that is cooler than the water comes into contact with the surface of the water
3.Air that is warmer than water comes into contact with the surface of the water
4.Air that is unsaturated with water vapor comes into contact with the surface of the water
Air that is warmer than water comes into contact with the surface of the water and causes evaporation. Therefore, option (C) is correct.
What is evaporation?A type of vaporization called evaporation takes place on the surface of a liquid as it transitions into the gas phase. When humidity impacts the rate of evaporation of water, for example, a high concentration of the evaporating substance in the surrounding gas considerably slows down evaporation.
The water cycle includes evaporation, which is a crucial step. The evaporation process is driven by solar energy, or heat from the sun. It absorbs moisture from both the largest oceans and lakes as well as garden soil. As the water is exposed to the sun's heat, its level will drop.
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Write an Analogy on each topic. Ex. The hormone is like a text because it carries information from the sender (gland) to the recipient (effector).
Pituitary Glands
growth hormone
Bloodstream
peripheral organ
a plant cell is placed in a hypotonic solution. what will happen to the plant cell?
The cells take up water from the external medium and swell up.
Plant cells are the cells found in green flora, photosynthetic eukaryotes of the kingdom Plantae.
The elements of a plant cell and plant cell components, so one can be mentioned, are plant mobile wall, plant mobile membrane, smooth endoplasmic reticulum, ribosomes, hard endoplasmic reticulum, vacuole, nucleus, peroxisomes, Golgi apparatus, mitochondria, cytoplasm, cytoskeleton, and plastids.
Plant cells are the building blocks of plants. Photosynthesis is the predominant characteristic performed with the aid of plant cells. Photosynthesis occurs inside the chloroplasts of the plant mobile. it's miles the system of getting ready meals by using the plants, through making use of sunlight, carbon dioxide, and water.
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how would we know if a fossil was that of a eutherian mammal? a.all teeth except for the molars are replaced
Therian mammals, including marsupials and eutherians, may be identified and discriminated by the quantity, form, and replacement pattern of their teeth.
However, some early Mesozoic fossils with therian characteristics have been discovered in Mongolia, and these cannot be definitively assigned to one of the groups;
that is, we do not know which group of therian mammals they belong to, or whether they belong to another closely related group that has since become extinct.
The infant molars are replaced by teeth known as premolars (also known as bicuspids). A whole adult dentition consists of 32 teeth, 16 on top and 16 on bottom.
The primary dentition is replaced by permanent central incisors, lateral incisors, canines, and first and second premolars. The permanent premolars replace the primary molars, and the permanent molars erupt posterior to those.
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what parts of the cortex show increased blood flow when a subject is asked to think about moving her right finger
Area 4 of the brain records increased blood flow when people move their fingers physically after mentally practicing the movement. Area 4 is engaged in carrying out motions.
Explain what blood is.Water, salts, and protein make up the liquid component, known as plasma. Plasma makes up the majority of your blood. Red, white, and platelet cells make up the portion of your blood that is solid. Your organs and tissues receive oxygen from your lungs thanks to red blood cells (RBC).
Why does blood matter?Blood is necessary for human life. Without blood, our bodies' organs would be unable to obtain the nutrition and oxygen they require to function, as well as the ability to maintain body temperature.
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Label the parts of the neuron cell
Provided that neurons are diverse in their roles as well as their shapes and sizes, not all of them have parts of the exact same size. Generally, a neuron can be broken down into its four main components: the soma, dendrites, axon, and axon terminals.
The soma of the neuron is essentially the neuron’s body. Due to the nucleus’ being located within it, the majority of protein production gets done right here.
As you may have seen in other answers, a neuron also has input points, which are known as dendrites. In the diagram, they are the protruding branch filaments on the left hand side of the neuron. To be simple, the dendrites are responsible for transmitting electrical signals, from the axon of other neurons, to the soma. This electrical transmission is done through points known as synapses found in the axon terminal of a neighboring neuron.
To elaborate more on the axon, it is the extensive fiber that carries nerve signals emitted by the soma. The signals first enter the axon from the soma at a point which is referred to as the axon hill, where the action potential is generated, or simply a nerve impulse that travels across and affects the structural polarity of the neuron.
They will then be transmitted to the neuron’s very own axon terminal, the branches on the right hand of the diagram, which are interconnected in a network with more neurons at their dendrites.
A neutron in its rest state is negatively charged, as the axon interior is roughly 70 mV more negative than the exterior.
So, to briefly summarize and put things in order: dendrites, the protruding branches on the left hand of the diagram, will receive the electrical signals from the synapses of a nearby neuron. These electrical signals will be transmitted to the soma, the “body” of the neuron, responsible for creating proteins, which contains the nucleus (the ellipse in the diagram). From here, these signals will be transmitted across the axon, the long filament seen above, as a nerve impulse that affects the polarities of the membrane as it travels through. It will then be sent to the axon terminal at the end of the cell, which forms a gap with the dendrites of neighboring neurons. This gap, as aforementioned, is known as the synapse.
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antibodies expressed by plasma cells are secreted from the cells. what is the function of these free antibodies?
They start a second immunological reaction.
What are the purposes of plasma cells that secrete antibodies?Distinguished B-lymphocyte white blood cells called plasma cells are able to secrete immunoglobulin, or antibody.These cells, which are the primary cells in charge of humoral immunity, play a crucial part in the adaptive immune response.
What use does an antibody protein serve?An antibody is a protein-based element of the immune system that travels through the blood, detects and destroys foreign entities like bacteria and viruses.
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Was it harmful when the Once-ler cut down the first tree? If so, who, or what did it harm?
Answer:
In general, cutting down trees can have negative effects on the environment and the creatures that live in it. Trees provide habitat and food for many different species of animals, and they also help to regulate the climate and prevent soil erosion. Cutting down trees can destroy habitat, disrupt the food chain, and contribute to climate change. Additionally, deforestation can have negative impacts on local communities and economies, particularly if the trees are a crucial source of livelihood for those who live in the area.Explanation:
which three elements are common to the reactants and the products of both photosynthesis and cellular respiration?
Carbon, hydrogen, and oxygen three elements are common to the reactants and the products of both photosynthesis and cellular respiration.
What are the components of photosynthesis and cellular respiration and what are their byproducts?In cellular respiration, the products and reactants for photosynthesis are switched around: Carbon dioxide and water, which are byproducts of cellular respiration, are the reactants in photosynthesis. Oxygen and sugar, byproducts of photosynthesis, are the reactants of cellular respiration.
Cytochromes are membrane-bound hemeproteins with heme groups that play a key role in ATP synthesis through electron transport. Both photosynthesis and respiration use it often.
The same reactions occur, but in reverse order. Carbon dioxide and water are converted during photosynthesis into glucose and oxygen. Carbon dioxide and water are produced during respiration in exchange for glucose and oxygen.
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the timing of a mutation during development has negligible effects on the severity of the genetic defect. State True or False your answer:
a. True
b. False
False. On the severity of the genetic abnormality, the timing of a mutation during development has very little of an impact.
Genes serve as an example.The genes you inherit influence a variety of traits, including your skin and hair hues. Emma's mother could have two genes—one for brown hair and one for red hair—and may have passed one of them on to her. If her father has two copies of the gene that causes red hair, she could get it.
Genes' relevanceThe instructions contained by your genes control the development and operation of your cells. Cells are the building blocks of the body. Every part of your body is made up of a billion cells working together. The components that keep genes in place called chromosomes.
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Terrestrial plants have a waxy covering produced by the dermal tissues called the cuticle. If this waxy covering was overproduced so that the stomata became clogged, what would happen to the plant?.
The plant's capacity to carry out photosynthesis would've been constrained since it would be unable to exchange oxygen with carbon dioxide.
The plant will not be able to exchange Oxygen for Carbon dioxide as well as the plant's ability to carry out the process of photosynthesis would also be limited, if the stomata get clogged due to overproduction of cuticle.
All apical portions of land plants have waxy cuticles to reduce water loss. Their major job is to make it possible for gases like oxygen, water vapor, including carbon dioxide to enter and exit the leaf quickly.
The question is incomplete. The complete question is:-
Terrestrial plants contain a waxy covering produced by the dermal tissues known as the cuticle. Suppose this waxy covering was overproduced in such a way that the stomata became clogged, then what would happen to the plant?
(A) The plant will not be able to exchange Oxygen for Carbon dioxide as well as the plant's ability to carry out the process of photosynthesis would also be limited.
(B) The sunlight would not be able to penetrate the plant's ground tissue cells through the thick dermal tissue and the plant's ability to carry out photosynthesis would be harmed.
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Tropomyosin is long enough to cover the active sites on _________ G- actin molecules.
Question options:
A) 1
B) 3
C) 5
D) 7
E) 9
F) 11
G) 13
Answer: D) 7
Explanation:
A population contain hort plant and tall plant. The hort plant are not able to compete with tall plant for unlight. The tall plant, however, are more uceptible to wind damage. Which type of election will thi population of plant mot likely experience?
Genetic variation among humans is relatively small when compared to other species. Where in the human genome does most of the diversity occur?.
Since all humans have a common ancestor, only a tiny subset of variations varies significantly in frequency between groups.
Due in part to the larger size of human populations in Africa over the course of human history and in part to the apparent low number of modern humans who left Africa to colonize the rest of the world, populations in Africa typically have lower levels of linkage disequilibrium than populations outside of Africa.
However, in general, local populations account for 85% of genetic variation, local populations on the same continent account for 7%, and large groups living on different continents account for 8%.
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why does a lack of proton gradient being produced, the atp synthesis would cease which causes metabolic problem
Without a proton gradient, protons will not flow through ATP synthase, hence no ATP will be produced.
What happens if ATP synthesis is blocked ?The output of ATP from OXPHOS is compromised by ATP synthase inhibition, and the energy metabolism is reprogrammed to favour enhanced glycolysis.
The proton motive force drives the synthesis of ATP once there are enough protons present. Therefore, a gradient enables cells to accumulate protons as "loose change," and this difference is crucial in determining whether there is growth or not, and whether there is life or not.
Protons need more and more energy to be pushed across the gradient as it increases. When the energy needed to push protons reaches 69.5 kJ/mole, electron transport must stop. In fact, before the gradient reaches that level, the second law of thermodynamics requires that electron transport cease.
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which is the period of time in the viral life cycle that is categorized by virtually undetectable virions inside the infected cell?
Eclipse period of the viral life cycle is categorized by virtually undetectable virions inside the infected cell.
The eclipse phase is the time between effective cell infection and the initiation of virus production. Its timeframe is precise to each virus strain and, along with an effective virus rate of production, plays a key role in infection kinetics.
The eclipse period begins immediately after viral particles enter the host cell. Eclipse is distinguished by the inability to detect free viruses because viruses are vigorously transcribing and replicating within the host.
Viruses are nucleoproteins. They are noncellular structures that contain infectious genetic material. Virions are viruses that are encapsulated in a capsid and contain DNA or RNA molecules. It contains both nucleic acid and protein layers.
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A btu is defined as the amount of energy required to raise the temperature of one lb of water by one degree celsius
a. True
b. False
False: The amount of energy needed to raise one pound of water's temperature by one degree Celsius is known as one BTU.
The correct definition of a BTU is the amount of energy needed to raise one pound of water's temperature by one degree Fahrenheit. It has a joule value of 1.055 x 10³. And the water has its highest density at that temperature (approximately 39 degrees Fahrenheit). The power, steam production, heating, and air conditioning industries all utilise the British thermal unit (BTU) as their standard energy measurement. The joule, a SI measure of energy, has essentially taken the place of the BTU in scientific applications.
The energy released while a match burns is approximately equivalent to one British thermal unit (BTU). Temperature is a unit used to represent hotness or coolness on any of a number of scales, including Fahrenheit and Celsius.
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increasing permeability of the membrane to potassium will have what effect on the membrane potential?
The membrane would become more adverse as a result. The membrane would become more negative if the membrane's potassium permeability increased.
How does potassium permeability affect membrane potential?The removal of positive charge by electrochemical gradients causes the membrane potential of the cell to shift more strongly in the direction of the equilibrium potential for potassium.
The membrane would become more negative as potassium permeability through the membrane increased. Given that potassium is a positively-charged ion and that the intracellular environment has a net negative charge, enhancing the membrane's permeability would result in a more negative membrane.
For instance, the magnitude of the potassium concentration gradient across the myocyte decreases as the extracellular potassium level rises, lowering the resting membrane potential.
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during transcription, which enzyme catalyzes the addition of new ribonucleotides to the free 3' of the growing molecule?
During transcription, the enzyme that catalyzes the addition of new ribonucleotides to the free 3' of the growing molecule is : RNA Polymerase
What is RNA polymerase?RNA polymerase is a multi-unit enzyme that synthesizes RNA molecules from template of DNA by a process called as transcription. Transcription of genetic information into RNA is the first step in gene expression that precedes translation that is the process of decoding RNA into proteins.
RNA polymerase is the enzyme responsible for transcribing the genetic information stored in DNA to RNA. RNA polymerase is also known as DNA-directed RNA polymerase and is found in all living organisms and also many viruses.
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How did scientists boost the spacecraft Juno on its way to Jupiter, helping it overcome the gravitational pull of the Sun?
A.
by using two rockets
B.
by using a gravitational slingshot
C.
by decreasing the mass of Juno
D.
by increasing the fuel on the rocket
of Life and Cell Structure talysts ruction Active Enzyme Activity Put the steps of enzyme activity in order from first to last using the drop down menu besic 2 The chemical reaction occurs.
Enzyme Activities are:
The enzyme and substrate bind to form an enzyme-substrate complex.The chemical reaction occurs within the active site of the enzyme.The product is released from the enzyme.What is an enzyme?Generally, An enzyme is a type of protein that acts as a biological catalyst. Enzymes are essential for many chemical reactions that occur in the body, and they play a key role in maintaining homeostasis, the balance of chemical reactions that allows organisms to function properly.
Enzymes are highly specific, meaning that they only catalyze specific reactions. They do this by bringing reactant molecules, called substrates, into close proximity and orienting them in a way that allows the reaction to occur more efficiently. Enzymes are able to do this because their shape and chemical properties allow them to bind to and interact with the substrate molecules in specific ways.
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How did chloroplasts end up in producers’ cells?
Answer:
They begin as bacteria but are then enlarged by larger cells.
Explanation:
i hope this helped
The chloroplasts end up in the producer's cell, as they begin as bacteria but are then enlarged by larger cells.
What are chloroplast cells?A membrane-bound organelle called a plastid, or chloroplast is a kind that primarily facilitates photosynthesis in plant and algal cells.
Both plants and algae include chloroplasts. They are in charge of collecting light energy for photosynthesis, which produces carbohydrates.
Chloroplasts and mitochondria probably started as microorganisms that were swallowed by larger cells (the endosymbiont theory).
Therefore, since the chloroplasts start out as bacteria before being expanded by larger cells, they ultimately end up in the cell of the producer.
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DNA and RNA are polymers composed of ______ monomers
a) nucleotide
b) carbohydrate
c) fatty acid
d) amino acid
A. nucleotide monomers are arranged in long chains to form DNA and RNA.
What monomers are DNA and RNA polymers composed of?DNA and RNA are polymers made up of monomers known as nucleotides, and they are both nucleic acids. Four different nucleic acid bases—guanine (G), cytosine (C), adenine (A), and uracil—are joined to a five-carbon sugar phosphate to form an RNA nucleotide.A DNA nucleotide uses the thymine base (T) instead of uracil because the sugar at the 2' position lacks the hydroxyl group. For reference, the typical system of numbers for DNA and RNA is displayed here; the prime (') symbol is used to separate the base carbon numbers from the sugar carbon numbers.The 5' phosphate and the 3' hydroxyl on the sugar act as the RNA or DNA monomer's two "hooks," and during the synthesis of DNA polymers, a "phosphate diester" group links them. DNA and RNA sequences are typically written from 5' to 3'.
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the northern leopard frog, tree frog, and wood frog are all different species of frogs. why is having a scientific name for each species of an organism important for scientists?
Every recognized species on Earth is identified using the two-part binomial nomenclature. They are essential because they allow for interspecies communication on a global scale.
Why is it important for scientists to understand what each species of an organism is known by in science?Scientific names are used to universally designate different types of species so that scientists from all over the world can instantly recognize the same animal.
The use of scientific names, which give organisms a universal name that acts as a code, avoids misunderstanding among numerous countries that may have different common names for them. Scientists from diverse nations can communicate with one another about various organisms by using scientific names.
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i need help with this please!
The plant should completely stop manufacturing high-energy sugars, as expected. Due to the fact that photosynthesis requires CO2, a plant without CO2 will not be able to produce energy and would most likely perish.
What is meant by photosynthesis ?Plants and other living things employ a process called photosynthesis to transform light energy into chemical energy that may then be released through cellular respiration to power the organism's activities. The word "photosynthesis" comes from the Greek words "light" and "putting together," and refers to the process of creating molecules of carbohydrates from carbon dioxide and water. These molecules, such as sugars and starches, are then stored with some of this chemical energy. Photoautotrophs are creatures that perform photosynthesis, including most plants, algae, and cyanobacteria. The majority of the energy required for life on Earth is produced and maintained through photosynthesis, which is also substantially responsible for creating and maintaining the oxygen concentration of the atmosphere.Learn more about photosynthesis refer to :
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The current decline of amphibian populations worldwide has been linked to a ________ fungus.
Answer:
chytrid
Explanation:
what are some of the major challenges that must be overcome to develop safer and more effective viral vectors for gene therapy?
DNA during integration is inserted incorrectly. a defense mechanism against viral introduction
What does DNA do? Why is it significant?A chemical known as deoxyribonucleic acid contains the biological instructions that give each species its uniqueness (DNA). Mature organisms reproduce by passing on their DNA to their offspring along with the genetic information it contains.
Why does an individual have DNA?All living things are made up of genes, which are included in DNA. The most important characteristic of DNA is its potential for repeated self-replication. DNA must be duplicated in order to produce new cells, transmit genetic material from parents to offspring, and serve as a code for RNA (ribonucleic acid), which is required to produce proteins.
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a. How do climax communities relate to biomes?
b. What factors affect the characteristics of climax communities?
c. How has cattle grazing affected the ecological balance between the sage brush
and grasses in the American Midwest?
Answer:
A. Climax communities are the end point of the process of ecological succession, which is the gradual process by which a community of organisms changes over time in response to environmental changes or disturbances. Climax communities are characterized by the presence of species that are well adapted to the particular environmental conditions of the area, and they typically exhibit a high level of stability and self-regulation. Climax communities can be found within a variety of biomes, including grasslands, forests, and aquatic systems.
B. The characteristics of climax communities are influenced by a variety of factors, including climate, soil type, topography, and the presence or absence of certain species. For example, a climax community in a tropical rainforest is likely to be quite different from a climax community in a desert, due to the differences in temperature, humidity, and other environmental factors.
C. Cattle grazing can have a significant impact on the ecological balance between sagebrush and grasses in the American Midwest. Grazing can reduce the cover of sagebrush, which can create an opening for grasses to establish and dominate the plant community. This can result in changes to the ecosystem, including alterations in the habitat of animal species that depend on sagebrush for food or shelter. In addition, overgrazing can lead to soil erosion and other forms of environmental degradation. Proper management of grazing can help to minimize these negative impacts and maintain the ecological balance between sagebrush and grasses.
Explanation: