Answer: Anticodon and acceptor stem.
Explanation:
At one end of the L lies the anticodon; at the other is the acceptor stem. The L-shaped structure simply amplifies the two active ends of tRNA: the anticodon and the acceptor stem.
Anticodon and amino acid acceptor site are two different things that bind the two different ends of a tRNA molecule.
What are anticodons?Anticodons are sequences of three nucleotides in transfer RNA (tRNA) that are complementary to a specific codon in messenger RNA (mRNA). During protein synthesis, the anticodon pairs with a codon on the mRNA, thereby determining the amino acid that will be added to the growing protein chain.
The anticodon plays a critical role in ensuring that the correct amino acid is incorporated into the protein, and its proper pairing with the codon is crucial for the proper folding and function of the resulting protein. Anticodons are essential components of the translation process and are therefore important for the proper functioning of cells and organisms.
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Which of the following is not a characteristic of animals?
Question options:
Their cells contain a nucleus.
They are photosynthetic.
They are multicellular.
The statement "They are photosynthetic" is not a characteristic of animals (option B)
Why is this true?All creatures, in the animal kingdom are made up of cells classified as eukaryotes which means their cells contain a nucleus and various organelles.
In terms of nutrition animals are classified as heterotrophs, which implies that they are unable to produce their sustenance and must rely on consuming organisms for nourishment.
Animals lack the capability to perform photosynthesis. Thus they must source their energy from means, such, as consuming plants or other animals.
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Wild salmon spend most of their lives in the ocean but return to freshwater rivers to spawn, or reproduce. Most wild salmon will only spawn in specific spawning grounds in the rivers in which they were born. The construction of hydroelectric dams in rivers has blocked the paths of some salmon returning to their spawning grounds. This has led to population declines. Which method would be most effective in preventing further wild salmon population declines caused by the construction of hydroelectric dams?
Answer:
The creation of natural sanctuaries may be a useful approach to combat the extinction of this species
Explanation:
Natural sanctuaries are areas protected by the Government. These delimited areas preserve the habitat of native species with the aim they can reproduce and thus avoid their extinction.
Answer and Explanation:
Answer: A
Constructing passage ways near the dams to allow to salmon to swim around blocked rivers.
The development of dams in streams has hindered the way of certain salmons getting back to bringing forth grounds. The most ideal approach to defeat this is to make the entry ways close to the dams to permit salmons to swim in regions which have impeded because of dams. So salmons can got back to the producing ground and can generate which prompts increment in their populace.
A population of arctic hares burrows into the snow for shelter. It is found
that the hares on the smaller side are able to burrow between rocks, as
well, providing extra protection from predators. Over time, the hare
population becomes smaller in size, shifting the normal distribution curve for
hare size.
What type of selection is this?
Answer:
well, providing extra protection from predators. Over time, the hare
Explanation:
Artic hares are commonly found in northern Canada and coasts of Greenland. Some are found in artic Europe and Asia. They are found on sea icing and are herbivore dependent on land plants for food. 20% mass part of their body is fat insulation and they are low climate animal. They dig into the ground or burrow under the snow during cold weather. It's a way to offer protection against the harsh weather and protection against predators. This is a form of behavioral selection.
Final answer:
Arctic hares that are smaller in size are favored by environmental pressures because they can hide in snow burrows and rock crevices, leading to directional selection which shifts the population's size distribution curve towards smaller sizes.
Explanation:
The situation described with the population of arctic hares demonstrates a phenomenon known as directional selection. This type of selection occurs when environmental pressures favor one extreme of a trait distribution, in this case, smaller size in hares. As smaller hares can burrow into the snow and also fit in crevices among rocks for protection from predators, they are more likely to survive and reproduce, passing on their genes for smaller body size. Over time, this selective pressure results in the overall population becoming smaller, shifting the normal distribution curve for hare size towards the smaller end.
State two ways to keep muscles strong?
Answer:drinking milk, and eating veggies
, inherited traits that increase an
organisms chance of survival, also determine an
organism's niche.
Answer:
An organism's habitat and inherited traits determine its niche
Explanation:
An organism's phenotype refers to its
diploid.
traits.
оооо
alleles.
genes.
Answer:
Genes
Explanation:
Which of these are examples of polygenic traits ?
Answer:
skin color and eye color as well
Answer:
I think it is birth weight in calves and eye color in humans
Explanation:
Before there was evidence from rocks and fossils, many scientists theorized that the continents were once joined together. Using only maps, these scientists observed that - *
Answer:
Pangea
Explanation:
scientist observed that due to earthquakes and natural dissasters the continent Pangea was seperated
Alfred Wegener proposed the theory of continental drift in 1915, which suggested that continents were once connected in a supercontinent called Pangaea. His theory was supported by the fit of continental edges, fossil evidence, and paleoclimate data, and this concept is a precursor to the modern understanding of plate tectonics.
Explanation:The concept of continental drift was first proposed by Alfred Wegener in 1915, theorizing that the continents were once joined together. Wegener's hypothesis was derived from observing the congruency of continental shores, fossil correlations, and similarities in living species across oceans, all suggesting the existence of a supercontinent named Pangaea. Despite initially lacking a mechanism to explain the movement of continents and facing skepticism, evidence such as matching fossils, paleoclimate data, and geological formations across continents strengthened his theory, which later evolved into the widely accepted plate tectonics theory.
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The hair colors of the members of a family are listed below.
mother - brown hair
father - blond hair
older son - brown hair
younger son-blond hair
The hair colors of the sons are most likely a direct result of
1
natural selection in males
2
heredity
3.
evolution
4.
environmental influences
Answer:
2
Explanation:
Hair color can be determined by making a punnet square, and this involves heredity. this problem does not show natural selection or evolution, as well as environmental influences
Viruses cause disease by destroying _____ and by disrupting the body's natural homeostasis.
A. cells
B. influenza
C. tissues
D. organs
The answer is A, cells, as viruses infiltrate cells, make copies of themselves in them, and then lyse the cell and spread.
PLZ HELP 13+points
Burning fossil fuels releases CO2 into the atmosphere. What potential threat can it cause to Earth? *
A)a decrease in water levels
B)a rise in global temperatures
C)an inability of plants to conduct photosynthesis
Answer:
B.
Explanation:
When fossil fuels are burned, they release carbon dioxide and other greenhouse gases, which in turn trap heat in our atmosphere, making them the primary contributors to global warming and climate change
Answer:
B
Explanation:
A rise in global temperatures
During the process of nutrient absorption in animals, which two body systems are most responsible for breaking down food into smaller
pieces and distributing the nutrients to body cells?
Answer:
Digestive system and Circulatory system
Explanation:
The Digestive system has the stomach, small and large intestine- these are all responsible for breaking down food into smaller pieces and on the other hand the circulatory system helps to distribute the broken food around the body for necessary absorption by the body cell.
Final answer:
The digestive system and the circulatory system are responsible for breaking down food into smaller pieces and distributing nutrients to body cells.
Explanation:
The two body systems most responsible for breaking down food into smaller pieces and distributing the nutrients to body cells are the digestive system and the circulatory system. The digestive system includes organs such as the mouth, esophagus, stomach, and small intestine, which break down the food into smaller molecules through the processes of ingestion, digestion, and absorption. Digestion is the mechanical and chemical breakdown of food into nutrients, while absorption is the process by which nutrients are taken up by the blood or lymph. The circulatory system includes the heart and blood vessels, which transport the nutrients absorbed by the digestive system to the body's cells. The nutrients are carried in the blood, and they are delivered to cells through the capillaries.
Which type of energy used on earth comes directly from the sun
Answer:
solar radiation
Explanation:
What is the difference in trophic level efficiency between herbivores and carnivores?
Answer:
herbivores mostly eat plants,While herbivores eat meat.
Hope that was helpful.Thank you!!!
Write a paragraph using complete sentences about whether or not you think humans should establish an outpost on the Moon and the importance of water to this effort. Use evidence from the text and other resources to help justify your answer.
Answer:
Scientist are making efforts from a very long timem to establish life outof the Earth and once they selected moon for that.
For human survival water and oxygen are two essential components. Scientsts from NASA have launched many programms to such as Apollo to land human on Moon surface, which was successful. Other programs were also run by NASA to make humans live and work their but it was important to find out the existence of water first to live in Moon. LRO satellite found the existence of water (lunar water) on the Moon surface but because of less funds and delayed in the program, the mission was dropped.
But according to me, humans should establish an outpost on the Moon as water resources already exist in the Moon and water regulates most of the process in human body. Oxygen is already 40percent by mass at lunar crust which can be extracted as scietist says. so, This will maiantain the environmetal condition on the Earth as well, if the population will shiftto Moon.
A human outpost on the Moon offers numerous potential benefits for space exploration and resource availability. However, practical challenges like accessing water, a crucial resource, exist. Such a venture would require robust technology and international cooperation.
Explanation:The prospect of establishing a human outpost on the Moon is a matter of ongoing scientific debate. There are several compelling arguments for such an endeavor. Firstly, a lunar base could serve as a springboard for future space exploration, perhaps facilitating missions to Mars and beyond. The Moon is rich in resources like Helium-3, potentially crucial for future nuclear fusion reactors. Nevertheless, practical challenges abound. One particular challenge is the availability of water, a critical entity for sustaining human life and for generating fuel. Though recent lunar expeditions suggest the existence of water in the form of ice at lunar poles, extracting and utilizing it requires advanced technology and substantial assets. Hence, the realization of a human outpost on the moon may be feasible only with good rationale and strong international collaboration.
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Juanita and Juan visit a marriage counselor because they are contemplating divorce. Although the couple started out blissfully in love, they are not getting along well, especially since their children reached their teens. Based ONLY on the U-shaped curve ofmarital satisfaction, what should the therapist advise?
A)"Hold off on divorcing. You are apt to reconnect with each other at the empty nest."
B)"If you are not happy now, you'll feel worse after the children leave."
C)"Expect to feel exactly the same way about each other after the children leave."
D)"There is no research that addresses this issue."
Answer: The correct answer to the question is option A
HOLD OFF ON DIVORCING.YOU ARE APT TO RECONNECT WITH EACH OTHER AT THE EMPTY NEST.
Explanation: The U-shaped curve of marital satisfaction simply explains that there is always maximum happiness and marital satisfaction in the beginning of marriage or any relationship, however,this happiness and fulfilment isn't long-lived,the happiness declines with age due to overwhelming parental duties and obligation.but the good this out of it is that the declining marital happiness and fulfillment will definitely rise again if the relationship or marriage stand the rest of time through mutual understanding and appropriate/adequate communication and love.
So in a nutshell,we can say that marriages are happiest during the period of honeymoon that is few months following weddings if there is, then this happiness declines but further rises at the empty next.
PLZ HELP ME!!!!!!!!!!PLZ!Compare and contrast the terms habitat and biosphere.
After photosynthesis is finished inside of a plant, six molecules of oxygen have been produced, as well as a single molecule of C6H12O6, otherwise known as
In photosynthesis, a plant uses sunlight, carbon dioxide, and water to produce glucose and oxygen. This two-part process, encompassing light-dependent and light-independent reactions, converts low-energy molecules into high-energy ones.
Explanation:After photosynthesis occurs inside a plant, six molecules of oxygen and one molecule of glucose (C6H12O6) are produced. This occurs through a multi-step process that utilizes energy from sunlight, carbon dioxide, and water (6CO₂ + 6H₂O) to create glucose and release oxygen (C6H12O6 + 6O₂). Essentially, the plant uses light energy to convert low-energy molecules (carbon dioxide and water) into high-energy molecules (glucose and oxygen), which are crucial for life.
This is depicted in the overall equation for photosynthesis. However, it is important to note that while the equation looks simple, in reality, photosynthesis consists of two parts: the light-dependent reactions and the light-independent reactions or Calvin cycle. These stages involve various intermediate reactants and products, making the process much more complex than it initially appears.
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Choose a career option in marine science and do some online research to determine:
what a person with that job actually does all-day
the education required for that position
the starting salary range
the skills needed (such as technological skills)
Answer:
Ocean Engineering what they do all day? It's a multidisciplinary engineering field aimed at solving engineering problems related to the ocean environment, where engineers help oceanographers wisely explore the many vast oceans. They design and build structures, equipment and instruments that help advance marine science.
Explanation:did that help
It's a multidisciplinary engineering field aimed at solving engineering problems related to the ocean environment, where engineers help oceanographers wisely explore the many vast oceans. They design and build structures, equipment and instruments that help advance marine science.
Here is my biology test, (I'm not even sure if this is biology) I'll only post pictures and I'll do a second post once I get more points. I also bunched up a bunch of them to save time and picture space.
Answer and Explanation:
1) In the position "P" the sun´s solar altitude would be the highest in Rockville, Maryland. At this point, it is summer in the northern hemisphere, and the sun is heating directly to the cancer tropic. Maryland is near this tropic, so position"P" could be considered the season in which the sun would be highest in relation to this point.
2) The earth at position V is experiencing winter in the northern hemisphere because the angle of sunlight is more indirect in this hemisphere. It is summer in the hemisphere that is inclined towards the sun and winter in the other hemisphere which is inclined far from the Sun. The hemisphere that is inclined towards the Sun is hotter because sunlight travels more directly to the Earth's surface and less light is scattered through the atmosphere. This means that whenever it is summer in the southern hemisphere, it is winter in the northern hemisphere. The hemisphere that is inclined towards the Sun has longer days and shorter nights. That is why during the summer the days are longer than during the winter.
3) In position V the sun´s path through the sky would be the highest in Australia. At this point, it is summer in the southern hemisphere, which means that the sun is heating the earth directly in the Capricorn tropic. This tropic passes straight through Australia, so this is the position in which the sun would be the highest in this country.
4) In positions U and D the earth experiences 12 hours of daylight and 12 hours of darkness. At these two points, the sun´s rays reach the equator at approximately the same angle every day. This is why there are no seasons at this latitude. Every single day of the year the equator receives about 12 hours of sunlight and 12 hours of darkness.
how is fresh water collected in the rain forest?
Answer:
if you mean how you can gain water in the rainforest?
Kindly, look at below ^_^
Explanation:
The role of rainforests in the water cycle is to add water to the atmosphere through the process of transpiration (in which plants release water from their leaves during photosynthesis). This moisture contributes to the formation of rain clouds, which release the water back onto the rainforest.
Water Basics
The first thing you should do if you're stranded in the wild is find a source of drinkable water. The most obvious sources are streams, rivers and lakes. Animals always know where the water is, so be on the lookout for wildlife or animal tracks. Lush green vegetation is also a sign that water is nearby. Swarming insects may be a hassle, but they also signal that a water source isn't far away. Bird flight paths in the morning or evening can point you in the right direction. Stay on the move until you find a water source. When you pause to rest, use your ears -- rivers can be heard in the quiet woods from great distances. Remember that water always flows downhill, so low-lying areas and valleys are a good bet.
If you find a muddy area, there may be groundwater available. Dig a hole about a foot deep and one foot in diameter and wait. You may be surprised to find that the hole is soon filled with water. This groundwater will be muddy, but straining it through some cloth will clean it up, and it will get you by in the short term. It's crucial to remember that any time you drink found water without purifying it, you're taking a risk.
HOPE THAT ASSESS YOU ...
How many people were there in 1850?
Answer:
There were 1.2 billion persons in the year 1850
Explanation:
Step 6: Measure the Heights of the Plants at the End of Week 3 Use a calculator to compute the average heights of the plants in each group to the nearest centimeter. Week 3 Average Heights Control Group: cm Exper. Group: cm
Answer:
End of week 3
Control: 22cm
Experimental: 26cm
Explanation:
Answer:
Control: 22 cm
Experimental: 26 cm
Difference: 4 cm
Explanation:
Control and Experimental from observation reasonings and calculations, however, the difference is found by subtracting the average height of the control plants (22cm) from the average height of the experimental plants (26cm). So it would look like 26 - 22 = 4.
Can light calls glue to dry?
Which of the following is not true statement: When the egg hatches, the baby salmon can find its own food right away. The baby salmon knows where to go after hatching. The baby salmon needs the adult salmon to teach it how to navigate. The baby salmon can protect itself from predators.
Answer:
This is a behavior called natal homing. In the behavior, the animal uses geomagnetic cues from the earth as a way of finding its way back to the location it was born as a way of spawning or breeding in the same location.
Explanation:
Hope it works!^^
Final answer:
The incorrect statement about baby salmon is that they need adult salmon to teach them how to navigate. Baby salmon are born with the instincts they need for survival and navigation, and they embark on their journey alone, using their innate behaviors and keen sense of smell.
Explanation:
The statement that is not true about baby salmon is: The baby salmon needs the adult salmon to teach it how to navigate. When salmon hatch from their eggs, they already possess the instincts necessary to find food and begin their journey downstream towards the sea. Unlike ground-nesting birds, baby salmon, newly hatched as larvae with a yolk sac, do not require their parents to teach them how to survive. Rather, they rely on innate behaviors. As juveniles, they embark on a perilous trek downriver to the ocean, facing predators such as bears and eagles along the way. After spending years in the ocean growing and feeding on an abundant diet, mature salmon return to spawn at their birthplace, guided by their remarkable homing instincts, which scientists believe may be linked to their keen sense of smell.
Engineers are looking for a new material to build the body of an airplane. They agree that the material must be lightweight, but also strong and long-lasting. Above all, the material must maximize the safety of the passengers. Several engineers have developed some initial plans.
Which stage of technological design is described in this passage?
Identify a problem.
Design a solution.
Implement a solution.
Evaluate the solution.
Answer:
Design a solution.
Explanation:
Answer:
design a solution
Explanation:
just did it and got it right :)
(b) Identify the independent variable used in the experiment. Identify the difference between the control cells and the experimental cells used in the experiment. Justify the
researchers using a different range of concentrations for FX11 than was used for gossypol,
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І
у
=
=
Answer:
See explaination
Explanation:
The independent variable used in study are - different concentrations of drug used for treatment.
We basically made use of two groups in the experiment, control and treatment.
In control group cells are only incubated in media without drug.
While in treatment group cells are treated with different concentrations of drugs.
These two groups provide the idea that actually effect of drug on cell proliferation. Control group growth will be taken as 100% . And cell growth in presence of drug will be compared with control group to see he effect of drug on cell proliferation.
Both drugs have different toxicity on cells. Gossypol is highly toxic than Fx11. So lower concentration drug has been used for gossypol and a higher range is used for Fx11 in the experiment.
The independent variable is the concentration of the substances FX11 and gossypol. Control cells aren't exposed to these substances while experimental cells are. Researchers may use a different range of concentrations to study dose-dependent responses or due to different potencies of the substances.
Explanation:Given the nature of your question, the experiment seems to involve the usage of a substance referred to as FX11 and another one called gossypol, being tested in different concentrations on cells. The independent variable in this experiment is likely to be the concentration of FX11 and gossypol, as this is what is being manipulated or changed to monitor effects on the cells.
The difference between control cells and experimental cells lies in how they are treated during the experiment. Control cells would not be exposed to FX11 and gossypol, serving as a baseline to compare the results from the experimental cells that have been exposed to these substances. Therefore, any changes seen in the experimental cells can be attributed to the effect of the substances administered.
As for why the researchers used a different range of concentrations for FX11 than gossypol, it might be because they have different potencies or expected effects, or it could be a way to examine dose-dependent responses across a broader range.
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JervalIUNIS
Use the drop-down menus to answer the questions.
Which rock layer was the youngest?
How do you know that the rock layer is the youngest?
Breccia
Conglomerate
COM
Dolostone
Answer:
The youngest rock layer is always those on the top .
Explanation:
Breccia and conglomerate are similar sedimentary rocks composed by fragments larger than two millimeters in size.
Dolostone is a carbonate sedimentary rock that contains dolomite and is related to limestone.
DOM is the abbreviation of the term Dispersed Organic Matter.
Answer:
1. Which rock layer was the youngest?
conglomerate
2. How do you know that the rock layer is the youngest?
it was at the top of all the layers
can u mark me brainliest plz :)
i took the test
State an example of an abiotic factor and an example of a biotic factor in your ecosystem.
Answer:
Tree and Rain
Explanation:
Once nutrients are broken down by the Digestive system, they are absorbed and transported around the body through the _____________ system. *
Answer:
Circulatory
Explanation: