Answers
Answer:
tRNA has an anticodon at one end that compliments the mRNA codon and an attachment site to a specific amino acid that corresponds to the anticodon sequence at the other end.
Related Questions
In the lungs of birds, where does gas exchange occur?
A. Across thin parenchymal cells in the alveoli
B. In the alveolar sacs
C. Across a thin network of bronchioles and blood vessels
D. Inside of the air sacs
Answers
Gas exchange occurs only in alveoli. Alveoli are made of thin-walled parenchymal cells, typically one-cell thick, that look like tiny bubbles within the sacs. Alveoli are in direct contact with capillaries (one-cell thick) of the circulatory system.
what happens when you smell chlorine with bleach explain
Answers
Answer: Difficulty breathing or shortness of breath.
Explanation: Bleach and chlorine are dangerous chemicals and they also smell bad. When you inhale both of them at the same time it can knock you out. With all the chemicals the human body cannot control that and as a result your body doesn't know what to do. This can lead to you getting temporary/permanently injured.
Which is least affected by chemical weathering?(1 point) Responses a bridge made of iron rods a bridge made of iron rods a statue made of marble a statue made of marble a chair made of plastic a chair made of plastic a pile of tiles made of feldspar
Answers
The option that is least affected by chemical weathering is D. A pile of tiles made of feldspar.
What is Chemical weathering?Weathering is the term which is referred to as the process in which rocks are broken down into smaller particles through various types of action and mechanism. On the other hand, chemical weathering involves the breakdown of rocks through chemical reactions occurring between the substances involved.
Clay minerals such as quartz, feldspar etc are least affected by chemical weathering due to the absence of chemical reactions occurring thereby making it the most appropriate choice in this scenario.
In conclusion, the correct option is D.
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What is the name of the
root-like structure that
bryophytes use to absorb
water and nutrients?
A. branches
B. root hairs
C. tubers
D. rhizoids this
Answers
Answer:
D. rhizoids
Explanation:
How do the digestive tracts of the Nematode and Earthworm differ?
Answers
Answer:
Unlike the flatworms in which food and waste enter and exit from the same opening, nematodes have a complete digestive system. An animal with a complete digestive system has a mouth at one end, a long tube with specialized parts in the middle, and an anus at the other end.
Explanation:
list four types of evidence a scientist use to study climate conditions what's occurred in the past
Answers
The history of scientific discovery of climate change began in the early 19th century when Ice Ages and other natural paleoclimate changes were first suspected and the natural greenhouse effect was first identified.
Evidence of past climate includes:
Buried in sediments at the bottom of the oceans and lakesLocked away in coral reefsFrozen in glaciers and ice capsPreserved in the rings of treesTo know more about climate change visit:
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when does dna replication happen?
Answers
Answer:
In short, DNA replication happens after the cell is done growing, during the S or synthesis phase. In eukaryotic cells, this happens in the nucleus, and in prokaryotic cells, this happens in the cytoplasm.
Explanation:
There are many different proteins, such as topoisomerase, ligase, and polymerase; leave a comment if you need details.
3. These are a part of the biotic component and are responsible for making the
own food.
a. producers
b. consumers
u. bears
c. habitats
d. niche
Answers
Answer:
producers
Explanation:
because they are living and most produce their own food through processes like photosynthesis. (e.g. plants and algea)
Part B Can scientists determine a more precise age of this snail fossil? Explain your answer.
Answers
Yes, researchers can pinpoint the fossil's age with greater accuracy. The igneous strata above and below the snail fossil can be examined to determine their exact ages. Scientists can use this absolute age to estimate the sedimentary rock's age between these layers and the fossil it contains.
What is fossil ?Fossils are the remains or signs of prehistoric life that have been preserved by the forces of nature. Shells, bones, exoskeletons, objects preserved in amber, petrified wood, coal, hair, oil, and DNA traces are a few examples of fossils. Another type of fossil is a skeletal structure.
Scientists use a clock of some kind to establish the time of formation of a rock or fossil in order to calculate its age. To date historic occurrences in the distant past, geologists frequently utilise radiometric dating techniques, which depend on the radioactive decay of specific elements like potassium and carbon.Learn more about Snail fossil here:
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After an experiment, Monica creates a graph that shows a direct linear relationship between the size of a fish and the amount of oxygen the fish uses. Describe this trend in terms of the amount of oxygen that a fish would use us as it grows from being very smart very large
Answers
Increase in the metabolic activities of the fish necessitated the increase in the consumption of oxygen hence the straight line graph.
What is an experiment?We know that when we carry out an experiment, the aim of the experiment is so that we can be able to deduce the nature of the relationship that is seen to exist between two variables. The variables are the independent and the dependent variables. The dependent variable is directly affected by the independent variable as it changes.
We are also told that what we have here is a straight line graph. This implies that the amount of oxygen that the fish was using was increasing as the age of the fish was increasing. This is what has accounted for the straight line graph.
Now we can see that the reason why we have a straight line graph is that the metabolic activities of the fish was increasing as the age of the fish was increasing thus it had to take in more of the oxygen.
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Content Questions
1 According to the story, an
electrical circult is also called
A a circle
Ba wire
C a conductor
D a loop
Answers
Answer: It is a wire
Explanation:
13. The Law of Conservation of Mass states that matter cannot be created or destroyed
but transferred. This law was proven by the scientist Antoine Lavoisier, who heated
various substances and documented quantitative relationships. His observations proved
that the mass of the reactants is equal to the mass of the product in a chemical reaction.
Justify (give good reason) why Lavoisier's conclusions were considered a law instead of a
theory,
A. Lavoisier attempted to explain the results of his experiments.
B. Lavoisier provided sufficient empirical evidence to support his claim..
Lavoisier provided an explanation of an observed phenomena in nature.
D. Lavoisier applied the results of one experiment to explain a wide variety of
circumstances.
Answers
Lavoisier's conclusions were considered a law instead of a theory, because Lavoisier provided sufficient empirical evidence to support his claim
What is Lavoisier law ?In his tests, Lavoisier tried to show that his theory according to which matter is never generated nor destroyed in chemical reactions was true.
The knowledge of finance, biology, chemistry, and economics that Antoine Lavoisier possessed was well known. He recognised oxygen and articulated the law of conservation of mass in 1778. He detected hydrogen, developed the metric system, and changed element nomenclature in 1783.He rightly inferred that water wasn't an element but rather a combination of oxygen and combustible air, or hydrogen as it is today known. Lavoisier used the breakdown of water into oxygen and combustible air to prove his point.Learn more about Lavoisier law here:
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From a+b-2c take 3a+2b-4c
Answers
The value of the equation illustrated as a+b-2c take 3a+2b-4c is 2c - b.
What is an equation?An equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenario. It is vital to note that an equation is a mathematical statement which is made up of two expressions that are connected by an equal sign.
Based on the information, from a+b-2c we are to take away a+2b-4c.
This will be illustrated this:
(a + b - 2c) - (a+2b-4c)
Collect like terms
a + b - 2c - a - 2b + 4c
a - a + b - 2b - 2c + 4c
-b + 2c
= 2c - b
The value is 2c - b.
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Complete question
From a+b-2c take away a+2b-4c
Are the resulting cells at the end of Mitosis diploid or haploid
Answers
diploid
Explanation:The four daughter cells resulting from meiosis are haploid and genetically distinct. The daughter cells resulting from mitosis are diploid and identical to the parent cell.
If oxygen is present, then
glycolysis
goes too
Answers
Pyruvate from glycolysis gets delivered to the mitochondria if oxygen is available. The mitochondrial matrix, which is a region inside the cells, is where the pyruvate is transferred across membranes.
where are The mitochondrial matrix ?Three compartments are defined by the mitochondria's inner and outer membranes; each has a unique function and associated protein parts. The mitochondrial matrix is the final space, enclosed by the inner membrane.
What makes the mitochondrial matrix crucial?There are numerous uses for the mitochondrial matrix. The citric acid cycle is carried out there. This is a critical phase in the production of ATP, an energy molecule used in cell respiration. It has a component known as a nucleoid that houses the mitochondrial DNA.
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Which of the following is at the root cause for all cancers?
A.) Obesity
B.) A breakdown of the cell division process
C.) antibiotic resistance
D.) The normal cell division process
Answers
Answer:
B
Explanation:
if the cell cycle during meiosis is impaired, it will rapidly produce cells(w cell division) that cannot be controlled anddddd it'll soon become cancer
can someone please help my plant i have no idea what’s wrong with it
Answers
Plants can help you figure out what the problem is. Get the correct diagnosis and come up with a treatment plan to cure the plant. Light Meter Find plants that fit in every corner of your home! Some prefer shade others like the sun on their leaves. There are many reasons for sudden plant death, including gopher damage, microscopic nematodes that attack plant roots, and over-fertilization.
In most cases, the cause is simply too much or too little water. You've spent more money than it's worth on a normal plant. It's too late in the season for the withered plant to recover. Plants have no sentimental value or can be exchanged. You can use it to identify camera images and get detailed information about landmarks places plants, animals products, and other objects. You can also scan the text and have it automatically translated.
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Which of these is a form of CHEMICAL
energy produced during the light
reaction of photosynthesis?
A. ATP this answer
B. DNA
C. RNA
Answers
ATP is a form of CHEMICAL energy produced during the light reaction of photosynthesis.
The correct option is A.
Briefing:All told, these processes convert solar energy into chemical energy, which is represented by ATP and NADPH. ATP and NADPH from of the light-dependent activities are used in the Calvin cycle, the final stage of photosynthesis, to make sugars.
What is photosynthesis ?Photosynthesis is the process through which plants turn carbon dioxide, water, and sunlight into oxygen and sugar-based energy.
What makes photosynthesis so important?Sunlight is converted into chemical energy by photosynthesis, which is then conserved for later use. The biological systems on the planet largely receive energy from this method.
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The production of ATP in the mitochondria
a. is anaerobic
b. takes place in the outer layer of mitochondria
c. takes place in eukaryotic and prokaryotic cells
d. is directly responsible for beginning the process of making ribosomal RNA
e: requires oxygen
Answers
Answer:
E: Requires oxygen
Explanation:
During respiration, glucose reacts with oxygen to form energy stored as ATP which can later be used by the cell.
Based on its anatomy, infer which animal requires more energy: an Earthworm or a Salamander? Justify your answer.
Answers
Based on its anatomy, the animal that requires more energy is the Salamander. This is because it has a more complex anatomy and physiological structure.
Why do living organisms require energy?Living organisms require energy because they have to perform metabolic activities for proper and ideal survival of organisms. Such organisms use numerous strategies in order to accomplish the task.
An earthworm delivers energy from the environment more easily than compared to salamanders. This is because they extract food energy from decaying organic matter like plants and animals that have died.
On the other hand, Salamanders deliver energy by consuming small insects and other tiny living entities. It uses a mechanism more similar to human beings.
Therefore, the animal that requires more energy is the Salamander. This is because it has a more complex anatomy and physiological structure.
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if the wet bulb depression is 3 degrees and the dew point is 24 degrees, what is the relative humidity?
Answers
if the wet bulb depression is 3 degrees and the dew point is 24 degrees, relative humidity would be approx. 66%
What is relative humidity?
Relative humidity, often expressed as a percentage, indicates a present state of absolute humidity relative to a maximum humidity given the same temperature. It is a measure of how much water vapor is in a water-air mixture compared to the maximum amount possible.
Moreover, it measures the density of water vapor in a space relative to the temperature in the same space.
Calculate relative humidity RH using the formula, RH = 100 × {exp[17.625 × Dp/(243.04 + Dp)]/exp[17.625 × T/(243.04 + T)]}
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Describe how to improve the function of the cell membrane
Answers
Answer:
The plasma membrane is a common cell structure found in the cell of both eukaryotes and prokaryotes. It demarks the interior environment of the cell from the external environment and has a semipermeable nature. Structurally it is composed of phospholipids and molecules of proteins. The material which accounts for the rigidity of the plasma membrane is cholesterol; molecules of cholesterol are situated in the middle of phospholipid layers.
In his arguments, the rancher focuses only on his family. In what way is this technique effective? Could his arguments benefit from additional information? If so, what kinds of information?
Answers
This technique is effective because by doing so, he draws attention to his issue and makes it easier for others to relate to the rancher's family's predicament.
Arguments where the rancher just focuses on his family can be successful because he attracts attention to his issue and makes it easier for others to relate to the rancher's struggling family. People can identify with others more readily when the discussions are more intimate.
In the movie The Rancher, a physically and emotionally traumatized man comes back to claim the ranch he inherited from a father who hated him. By the time he was sixteen, he hated him so much that he drove him off his land. But when he got back, he discovered friends and family, even if they had to drag him into the group against his will.
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What name is given to animal cells with the capacity to differentiate into a specialised cell?
Answers
Answer: Stem cells I hope this is helpful to you mark me brainlist if correct then no if wrong
Explanation:
Stem cells are the cells that have an ability to become various types of cells. They are present both during embryonic development (embryonic stem cells) and in the adult body (adult stem cells). Human ES cells differentiating into neuronsStem cells are simple, unspecialised cells found in animals and plants that have the ability to divide to form cells of the same type. They can also differentiate into a variety of specialised cells. Stem cells can be harvested from embryonic umbilical cord or adult bone marrow..A cell capable of differentiating into any type of cell is known as "totipotent". For mammals, totipotent includes the zygote and products of the first few cell divisions. There are also certain types of cells that can differentiate into many types of cells.
Which of the following was most likely responsible for the fact that organic molecules no longer spontaneously form on Earth?
The amount of UV radiation increased.
The amount of oxygen in the atmosphere increased.
Water accumulated in the oceans.
Earth's surface temperature warmed.
Answers
Answer: The amount of oxygen in the atmosphere increased.
A. vascular tissue
B. ground tissue
C. nervous tissue
D. dermal tissue
Which of the
following is NOT a
tissue you would
find in a plant?
C
Answers
Nervous tissue is not found in plant instead they have some different system to respond to stimuli.
Biologists are aware that there are additional ways to process information in addition to our neurological systems and those of other animals, including fish. Plants can react to stimuli despite not having neural systems. For instance, when an aphid bites a leaf, the plant responds by sending an electrical signal from leaf to leaf instructing it to begin defending itself.
However, it's crucial to remember that a plant does not necessarily feel pain when it reacts to injury.
Plants lack nociceptors, the particular receptor types that are hardwired to respond to pain, in contrast to humans and other animals. They naturally lack the brains essential to convert such sensations into actual experiences since they also lack brains.
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which option correctly describes the mode of inheritance for sickle cell anemia
recessive, X-linked dominant, X-linked recessive Or dominant
Answers
The mode of inheritance for sickle cell anemia is recessive.
Sickle cell anemia is a type of inherited genetic disorder where the blood cells are shaped as sickle or crescent-shaped instead of being oval flat disc-shaped cells. This peculiar structure of the abnormal red blood cells deems them unable to carry sufficient oxygen to the tissues and organs of the body.
To be affected by sickle cell anemia, an individual has to inherit one copy of the sickle cell gene from each parent, irrespective of gender. Thus, it can be also called a type of autosomal recessive disease. The disease is only expressed in the homozygous recessive condition.
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3. List the main phases of mitosis in order from start to finish. *
Answers
The main phases of mitosis in order from start to finish are as follows:
ProphasePrometaphaseMetaphaseAnaphaseTelophase.What is Mitosis?Mitosis may be defined as a type of cell division through which a parental cell is successfully divided into two daughter cells. These daughter cells are genetically identical to the parental cells and generally diploid in nature.
Prophase is the longest phase of karyokinesis. In this phase, the nuclear membrane and nucleolus disappear. In metaphase, the chromosomes are usually lined up in one plane by attaching to the spindle through the centromere.
Anaphase is the smallest phase of mitotic cell division. In this phase, the centromere splits, and chromosomes move to opposite poles. In telophase, the two sets of daughter chromosomes reached opposite poles and are converted into chromatin thread.
Therefore, the main phases of mitosis order from start to finish are well described above.
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Explain how viruses, over time and evolution, have actually made cells stronger and better.
Answers
Viruses have actually made cells stronger and better because of "internal arms race" it forces the cell to adapt and change to first the virus.
Viruses in all likelihood play a minor position withinside the switch of mobile genes among lineages. Novel viral genes constantly arose in replicating viral genomes withinside the virocell. Integration of viral genes lets in mobile organisms to discover new evolutionary paths.
They do now no longer comprise any cellular organelle like mitochondria, ribosome etc. Viruses are alive best till they're interior their host cellular.
They are taken into consideration to act useless while out of doors the host cellular. Hence, Viruses are an exception to cellular theory.
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What 3 organelles are involved in energy capture?
Answers
Explanation:
Ribosomes
Mitochondria
Golgi bodies
Answer:
Mitochondria are the "powerhouses" of the cell, breaking down fuel molecules and capturing energy in cellular respiration. Chloroplasts are found in plants and algae.
Explanation: