Consider a lab-made protein that contains an er signal sequence at its n-terminus and a nuclear localization signal in its middle. what is the initial fate of the protein?
Answers
Other proteases in the ER quickly break down the signal sequence into amino acids when it is released from the pore. Ribosomes link a molecule to the er membrane as it is translated. However, the ribosome population is not static; is constantly moving through the ribosome.
Where can I get the signal sequence for proteins bound to the ER?The endoplasmic reticulum (ER) is a network of tubules and sacs (cisternae) enclosed by membranes that spreads throughout the cytoplasm from the nuclear membrane.
In most eukaryotic cells, the endoplasmic reticulum is the largest organelle and is surrounded by a continuous membrane. Its membrane may account for half of all cell membranes, while the region occupied by the ER (the lumen, or cisternal space) may account for 10% of total cell volume.
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Related Questions
True or False: If more people are using the water than normal, this can lead to a drought.
Answers
Answer: True, especially if the city/state you live in has a limit of water.
Explanation: Drought can also cause long-term public health problems, including: Shortages of drinking water and poor quality drinking water. Impacts on air quality, sanitation and hygiene, and food and nutrition. More disease, such as West Nile Virus carried by mosquitoes breeding in stagnant water.
Brainliest? <33
what types of powers are shared by the federal and state governments
Answers
Answer:
In addition, the Federal Government and state governments share these powers:
•Making and enforcing laws.
•Making taxes.
•Borrowing money
Answer:
concurrent power
Explanation:
this is the power to tax, build roads, and create lower courts.
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How are farmers scientists
Answers
Answer:
Agricultural sciences, sciences dealing with food and fibre production and processing. They include the technologies of soil cultivation, crop cultivation and harvesting, animal production, and the processing of plant and animal products for human consumption and use. Agricultural Sciences. See all media.
Explanation:
If a woman has brown eyes with the recessive allele for blue eyes (Bb), each of her sex cells will have
OA.
the allele for blue eyes, b.
ОВ.
the allele for brown eyes, B.
OC.
one allele or the other, B or b.
OD.
the same allele she does, Bb.
Answers
Answer:
c
Explanation:
Answer:
b. They would have the allele for brown eyes
Explanation:
the capital B means that it is the dominant letter.
Light + Carbon Dioxide +_________ ——>_______+ Oxygen
I WILL GIVE YOU BRAINLYEST!! Fill in the blanks
Answers
Answer: water (H2O) -> Glucose
Explanation:
two hundred million years ago, when dinosaurs inhabited earth, _______ were the dominant vegetation.
Answers
Two hundred million years ago, when dinosaurs inhabited earth, ferns were the dominant vegetation.
Two hundred million years ago, during the Mesozoic era, the dominant vegetation on Earth was gymnosperms, particularly conifers. Gymnosperms are a group of plants that produce seeds but do not have enclosed fruits or flowers. They include conifers, cycads, ginkgo, and gnetophytes. These plants were well-adapted to the drier and cooler climate that existed during the Mesozoic era. As flowering plants (angiosperms) evolved and became more widespread, they eventually replaced gymnosperms as the dominant vegetation during the Cenozoic era, which began around 66 million years ago and continues to the present day.
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what do the data suggest about how related Turtles are to humans compared to tuna and chimpanzees
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The data suggest that Turtles are less evolutionary related to humans when compared to chimpanzees and closer compared to tunes since amino acid differences account for the term divergence between species.
What does the term divergence between species mean in evolution?The term divergence between species in evolution makes reference to the difference between species in a given homolog protein sequence and or any other feature derived from a common ancestor. In this case, we can see that the aminoacid differences are higher between humans and tunas, thereby these species are evolutionary distant when compared to chimpanzees and also compared to humans and turtles (mammals and reptiles are evolutionary closer compared to tunas).
Therefore, with this data, we can see that the term divergence between species is based on the presence of homologies between individuals due to a common ancestor such as occurring between species.
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Using the food web explain what would happen if all of a sudden wolves would be gone from this ecosystem .
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Answer:
The animals below the wolves on the food web would become overpopulated, because there is not something balancing their population. I may be wrong, but I hope it helps.
Do Great white sharks eat tiger sharks
Answers
Answer: Great white sharks are one of the only animals capable of eating an adult tiger shark
Explanation:
during the power stroke, the myosin uses stored energy to pull on the actin, thus bringing the z-lines of the sarcomere closer together
Answers
During the power stroke, the myosin head binds to the actin filament and releases a phosphate group, causing a conformational change that results in the myosin head pulling on the actin filament.
This movement brings the Z-lines of the sarcomere closer together, shortening the muscle fiber and producing force. The energy used in this process is stored in the form of ATP molecules, which are broken down by the myosin ATPase enzyme to provide the necessary energy for the power stroke.
This process is repeated multiple times during muscle contraction, allowing for smooth and controlled movement.
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which of these body cavities is a long, continuous cavity located on the back of the body?
Answers
Dorsal Cavity
Explanation:
The body cavity that is long, continuous and located in the back of the body is the Dorsal cavity
Enzyme is lock or Key?
Answers
Cuáles son las características de la vida que no están presentes en un virus?
Answers
Answer:
을 수 있는 것입니다 수 있는 것입니다 수 있는 것입니다 수 있는 것입니다 수 있는 것입니다 것입니다
Explanation:
I'm actually a Korean I cannot understand that what you said.
Explain where the energy in an ecosystem comes from and how it is distributed to all living things in that ecosystem.
Answers
Answer:
ummmmmmmmmm
Explanation:
Ten grams of sugar is placed in a beaker with 100ml of water. Initially, the sugar is at the bottom of the beaker however once gradually heated the sugar disappears. Which statement best explains what type of change occurred?
Answers
The dissolution of sugar in water is an example of a physical change as no new substance is formed and it is easily reversible.
What are chemical and physical changes?Physical changes are changes that occur in the physical properties of substances.
The properties of physical changes include:
no great heat changes occurthey are reversibleno new substances are formed.Chemical changes are changes that occur in the chemical properties of substances.
The properties of chemical changes include:
great heat changes occurthey are not easily reversiblenew substances are formed.Considering the dissolution of sugar in water, no new substance is formed, instead a mixture of water and sugar is obtained. Also, the change is easily reversible as the sugar can be obtained by heating tue mixture to evaporate the water.
herefore, it is an example of a physical change.
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Note that the complete question is given below:
When sugar in a beaker is heated over a low flame, the solid crystals disappear and a thick, yellow-brown liquid forms. Determine whether this change is a chemical reaction or a physical change.
chemical reaction
physical change
in the uvr excision repair system in e. coli, which enzyme routinely synthesizes dna to replace the excised strand?
Answers
DNA polymerase I an enzyme routinely synthesizes DNA to replace the excised strand.
An enzyme called DNA polymerase to takes a role in the replication of bacterial DNA. It was the first known DNA polymerase, and Arthur Kornberg discovered it in 1956. It was first identified in E. coli and is found in all prokaryotes.
During lagging-strand synthesis, DNA polymerase I (pol I) processes RNA primers and fills up tiny gaps during DNA repair events. By extending the 3′ ends of an existing nucleotide chain and adding new nucleotides that are identical to the template strand one at a time using the formation of phosphodiester bonds, DNA polymerase adds a new strand of DNA.
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In a population of giraffes, in a 12-month period, 70 giraffes were born and 45 giraffes died. How did the population change during the 12- month period? (Assume all other factors did not change).
Answers
There is increase in the population of giraffes as the number of giraffes born is more than the number of giraffes died. If all other factors remain constant then the only component that affect here will be : births and deaths.
Population density and growth are influenced by a variety of causes, and these factors may cause fluctuations in population size throughout time.
The birth rate (b) and mortality rate are the two primary variables influencing population increase (d). Animals experience starvation and sickness when population density exceeds the carrying capacity of their habitat.
Anything that limits the size of a population and slows or prevents its growth is referred to as a limiting factor. Biological factors including food, mates, and competition with other species for resources are some examples of limiting constraints.
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Critically evaluate the national school lunch program and the breakfast program served at school. if you were in charge of changing the program, how would you modify it? improve it?
Answers
The National School Lunch Program and the School Breakfast Program are important federal programs that provide nutritionally balanced meals to millions of school children across the United States.
However, there are several criticisms and concerns about these programs that need to be addressed to improve their effectiveness.
Critique of the National School Lunch Program and School Breakfast Program:
Quality of food: There have been concerns about the quality of food provided by the programs. Some schools have been accused of serving processed, unhealthy, and unappetizing food.
Accessibility: The programs are not accessible to all students due to factors such as geography, transportation, and school schedule.
Wastage: There is a significant amount of food waste associated with the programs, which can be a financial burden on schools.
Cost: The cost of providing nutritious meals can be prohibitive for some schools, especially those in low-income areas.
If I were in charge of changing the program, here are some modifications I would consider to improve the National School Lunch Program and School Breakfast Program:
Increase funding: The federal government should increase funding for the programs to ensure that schools can provide healthy and nutritious meals to all students.
Improve food quality: The programs should be required to serve high-quality, fresh, and nutritious food that is appealing to children.
Expand accessibility: The programs should be expanded to ensure that all students have access to nutritious meals, regardless of their geographic location or school schedule.
This could involve providing meals during non-traditional hours or using mobile meal delivery services.
Reduce food waste: Schools should be encouraged to implement strategies to reduce food waste, such as composting or donating excess food to local charities.
Increase participation: Schools should implement strategies to increase participation in the programs, such as offering incentives to students who participate, or providing nutrition education to students and parents.
In conclusion, while the National School Lunch Program and School Breakfast Program provide a valuable service to millions of school children, there is room for improvement.
By addressing concerns about food quality, accessibility, food waste, and cost, these programs can be modified to better serve the needs of all students.
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.Any organism that can cause disease in the host after direct interaction is a(n)
A. focal pathogen.
B. opportunistic pathogen.
C. primary pathogen.
D. secondary pathogen.
Answers
Any organism that can cause disease in the host after direct interaction is a primary pathogen. The correct answer is C.
A primary pathogen is an organism that can cause disease in the host after direct interaction, without any predisposing factors such as a weakened immune system. These pathogens are typically capable of infecting healthy individuals, and can cause a range of illnesses from mild to severe.
Examples of primary pathogens include bacteria such as Streptococcus pyogenes (which can cause strep throat and invasive infections), viruses such as influenza virus (which causes flu), and fungi such as Candida albicans (which can cause thrush and other infections).
In contrast, opportunistic pathogens are typically harmless to healthy individuals, but can cause disease in people with weakened immune systems. They take advantage of the weakened state of the host to cause infections.
Secondary pathogens, on the other hand, are organisms that can cause infections after a primary infection has already weakened the host's immune system, making them susceptible to secondary infections.
Understanding the difference between these types of pathogens is important for developing effective strategies to prevent and treat infectious diseases.
The correct option is C.primary pathogen.
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______________ is a disease caused by the destruction of air sacs in the lungs. It results in labored breathing and increased heart strain.
Answers
Answer:
Emphysema is a disease caused by the destruction of air sacs in the lungs. It results in labored breathing and increased heart strain.
Each individual in a population belongs to one of three possible genotypes: AA (dominant), AB (hybrid), or BB (recessive). In a laboratory experiment, an individual of unknown genotype is mated with a hybrid. Offspring inherit one gene from each parent. A parent passes on a particular gene to the offsrping with equal probability. Show that the probabilities for the genotypes AA, AB, and BB of the offspring are given by vectors:
(a) (.5, .5, 0) if the unknown parent is dominant
(b) (.25, .5, .25) if the unknown parent is hybrid
(c) (0, .5, .5) if the unknown parent is recessive
Suppose the experiment of above is repeated a large number of generations—that is, in each generation an offspring is chosen at random and mated with a hybrid. Set up this process as a Markov chain, show that it is regular, and find the unique fixed-point stochastic vector. Interpret the result.
Answers
Interpreting the result, the unique fixed-point stochastic vector will provide insights into the long-term distribution of genotypes in the population. It shows the probabilities of each genotype reaching a steady state over multiple generations, taking into account the initial proportions and the probabilities of transitioning between genotypes in each mating.
In this laboratory experiment, we have three possible genotypes: AA (dominant), AB (hybrid), and BB (recessive). We are given that an individual of unknown genotype is mated with a hybrid, and the offspring inherits one gene from each parent with equal probability.
To determine the probabilities for the genotypes AA, AB, and BB of the offspring, we can consider the known genotype of the hybrid parent. Let's analyze each case:
(a) If the unknown parent is dominant (AA), it will always pass on the dominant gene (A) to the offspring. Therefore, the probabilities for the genotypes AA, AB, and BB of the offspring will be (1, 0, 0).
(b) If the unknown parent is a hybrid (AB), it has a 50% chance of passing on either the dominant gene (A) or the recessive gene (B) to the offspring. Therefore, the probabilities for the genotypes AA, AB, and BB of the offspring will be (0.5, 0.5, 0).
(c) If the unknown parent is recessive (BB), it will always pass on the recessive gene (B) to the offspring. Therefore, the probabilities for the genotypes AA, AB, and BB of the offspring will be (0, 0.5, 0.5).
Now, let's consider the process as a Markov chain, where each generation involves randomly selecting an offspring and mating it with a hybrid. This process is regular because there is a non-zero probability of transitioning from any state to any other state in a finite number of steps.
To find the unique fixed-point stochastic vector, we need to solve the equation:
P = P * T
Where P is the fixed-point stochastic vector and T is the transition matrix. The unique solution for P will represent the long-term probabilities of the genotypes in the population.
This analysis can help us understand how the population's genetic composition evolves over time and the stability of each genotype in the long run.
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I need help please 10 points
Answers
Answer:
Recessive
Explanation:
because, if the first generation is purple flowers that means the purple flower Dominant, Which makes the white flower Recessive.
2. Mars is the closest planet to Earth. Both Mars and Earth have different orbital speeds around the sun,
but when Mars is closest to Earth it is still 55,000,000 km away. How far is this in light-years?
Answers
Answer:
5.813504587e-6 that is what I found
what determines when cell division will occur in unicellular vs in multicellular organisms
Answers
The process of cell division in unicellular organisms and multicellular organisms is determined by different factors. In unicellular organisms, cell division typically occurs in response to specific signals or stimuli that trigger the process of cell growth and division.
For example, in yeast cells, cell division occurs when the cell reaches a certain size or when it is in response to a change in the environment. In bacteria, cell division occurs when the bacteria are in a state of nutrient abundance.
In multicellular organisms, cell division occurs as part of the normal growth and development of the organism. In some cases, cell division may be triggered by specific signals or stimuli, such as hormones or growth factors. In other cases, cell division may occur spontaneously or may be programmed to occur at specific times during the organism's lifespan.
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help will give brainlist
Answers
Answer:
Its B or C but im pretty sure its C
Answer:
d. ...............
One of the important tasks of the nitrogen cycle is to change atmospheric nitrogen (N2) to the form of nitrogen that plants can use. What is the usable form of nitrogen for plants?
Answers
Answer:
Nitrate.
Explanation:
Nitrogen Assimilation in plants is the process of plants absorbing nitrogen from the soil in the form of nitrate (NO3-) and ammonium (NH4+). This nitrate is usually the predominant form of the available nitrogen that is absorbed by the plant.
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which statement about connective tissues is true? which statement about connective tissues is true? the matrix of connective tissue is composed of both a ground substance and a fibrous component all connective tissues are avascular connective tissues are named for their most apical layers neuroglia are cells found within connective tissues
Answers
The matrix of connective tissue is composed of both a ground substance and a fibrous component this statement about connective tissues is true.
In addition to holding structures together and providing support for organs and the body as a whole, connective tissues also function to repair damaged tissues, store fat, transport substances, and defend against disease. They exist everywhere over the body. There are four categories of connective tissues: connective tissue proper, blood, bones, cartilage, and connective tissue . because blood transports various materials and gases from one area of the body to another as a result of the heart's pumping function, blood is viewed as a connective tissue. Therefore, it joins many body tissues and organs, earning its name as a connective tissue. The connective tissue that is most broadly spread in an animal's body is called areolar tissue. It is located beneath the skin and acts as a scaffolding for the epithelium.
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Glucose is an example of (choose Carbs or Lipids).
A. Carbs
B. Lipids
Answers
Answer:
Carbs
Explanation:
Carbohydrates are used for energy (glucose).
which component is released from the active site of an enzyme
Answers
Product
The correct answer is product
what statement best explains what’s happening to the hydra in the figure above
Answers
Answer: The hydra is reproducing asexually through the process of budding a new hydra in the above picture.
Explanation:
Asexual mode of reproduction is a mode of reproduction wherein only one parent is involved. There is no fusion of gametes or sex cells. This kind of reproduction is a very primitive type of reproduction. Due to child being produces by single parent, the child id exact copy of the parent. Hence the parent often is known to produce clone in such type of reproduction. This type of method can take place through various methods such as budding, binary fission etc.
The hydra being a primitive and simple organism reproduces through budding which is a method under asexual mode of production. A bud forms on the body of hydra that eventually detaches itself from the tubular like structure of hydra. The detached hydra grows into an adult hydra by developing mouth and tentacles and with time learns to function independently.
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The statement that best explains what is happening to the hydra in the figure above hydra is reproducing asexually through the process of budding a new hydra in the above picture; option A.
What is asexual reproduction by budding?Asexual reproduction is a form of reproduction in which the number of chromosomes is not altered and there is no fusion of gametes.
Asexual reproduction known as budding happens when a portion of a cell or body region grows, causing the original organism to split into two separate individuals. Some invertebrate creatures, including corals and hydras, frequently reproduce asexually by budding.
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