Today's cells contain RNA molecules that perform catalytic activity.
Translation and splicing are two biological processes that depend heavily on catalytic RNAs.
Many of these ribozymes' catalytic mechanisms are just beginning to be understood, and they demonstrate that catalysis is always carried out by RNA, whether it is acting alone or in conjunction with proteins.
Catalytically active RNA molecules are ribozymes. Ribozymes come in a variety of sizes and forms in nature. DNA has various benefits over proteins and RNA as a synthetic catalyst that has been identified through in vitro selection. Deoxyribozymes' expanding range of reactions is expanding our fundamental knowledge of biocatalysis and enabling applications in both chemistry and biology.
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why are leaves included in experiments
Pls, help!! The word banks are in the pictures.
Answer:
1. life
2. microscope
3. organelles
4. tasks
5. flexible
6. covering
7. cell
8. diffusion
9. low
10. high
11. osmosis
12. thick
13. shape
14. cellulose
15. herbivores
16. nucleus
17. directions
18. parents
19. DNA
20. genes
21. powerhouse
22.
23. respiration
24. glucose
25. APT
26. vacuoles
27. storage
28. larger
29. cytoplasm
30. gel-like
31. water
The strongest evidence for evolution was not known in Darwin's time. It involves comparing the ______ of different species to determine how closely related they are.
DNA
PLS MAKE BRAINLEST {}
dna
Explanation:
it involves comparing how closely related they are
Why does the grass look green under sunlight and black under the moonlight? ( explain in the process of filtering light )
what does the anther produce?
A. ovary
B. eggs
C. pollen
Answer:
C. pollen
Explanation:
Hope this helps
What would be the best reason for having the lamp on during the experiment
Answer:
I'm not entirely sure what the experiment is BUT if I had to guess it would to help you see.
Explanation:
Sorry, I couldn't help it. In all reality I'm not possitive as to what the experiment is so I can't really give you a true answer besides this one
Which of the following elements are found in ALL four biomolecules? Select all of the correct answer choices.
Carbon
Helium
Hydrogen
Oxygen
Nitrogen
Phosphorous
Answer:
everything but Helium and Phosphorous
Explanation:
what is the next step in the scientific method, following forming a hypothesis?
A. Analyzing the data
B. stating the question
C. conducting an experiment
Hi there!
The answer to this question, I believe, would be C, conducting an experiment. When you make your hypothesis, you have already stated your question, analyzed the data, and formed a logical assumption that you need to prove is true. Your hypothesis is your logical assumption; therefore, you ought to experiment and see if your assumption - your hypothesis - is correct.
Hope this helps! :)
Answer:
Conducting an experiment
Explanation:
Historically, the use of wells appears in the __________.
A)
Old Stone Age
B)
New Stone Age
C)
Bronze Age
D)
Iron Age
E)
Copper Age
Historically, the use of wells appears in the __________.
A)
Old Stone Age
B)
New Stone Age
C)
Bronze Age
D)
Iron Age
E)
Copper Age
Answer:
pretty sure it's B
Explanation:
Answer:
ITS C
Explanation:
EDG
What statement is correct about the polarity of a water molecule?
1.Both oxygen and hydrogen ends have partial positive charges.
2.The oxygen side has a partial negative charge and the hydrogen ends have partial positive charges.
3.Both oxygen and hydrogen ends have partial negative charges.
4.The oxygen side has a partial positive charge and the hydrogen ends have partial negative charges.
ANSWER
I HOPE IT WILL HELP U
Explanation:
Answer: The correct answer is Option B. Explanation: Polarity of a molecule arises when difference in electronegativities is present between the atoms. Water is a molecule which is formed from hydrogen and oxygen atoms.
Jill has a mixture of sand and iron filings. The mass of the mixture is 250 g. Jill uses a magnet to separate the two substances. Then, she measures the mass of the sand as 150 g.
What should be the mass of the iron filings?
A.
250 g
B.
It is impossible to determine.
C.
150 g
D.
100 g
Answer:
D
Explanation:
250 - 150 = 100
What statement about enzymes and pH is true?
Most enzymes require a very basic environment to function well.
Most enzymes require a very acidic environment to function well.
Enzymes require a specific range of pH values to function.
Enzymes are unaffected by changes in pH levels.
Answer:
Enzymes require a specific range of pH values to function.
Explanation:
in fact some enzymes are denatured by specific pH ranges.
A major disturbance that the ecosystem was able to recover completely from.
Hello. Your question is incomplete. However, I managed to find a question exactly like yours on the internet and managed to realize that you forgot to say that your question asks you to give an example of the statement presented above.
Answer:
A major disturbance from which the ecosystem was able to recover completely was the disease that almost wiped out all of Ireland's potato in 1840.
Explanation:
You may have heard of the Irish Potato Famine, which was a time when the Irish population lived very difficult days, after an illness that almost decimated the country's potato plantations.
The potato was the main source of food for the Irish, but in 1840, a fungus called Phytophthora infestans, managed to infect almost all potato plantations in the country, preventing the potato from being harvested and could be consumed. This created major economic and social problems in Ireland, as people suffered from hunger, poverty and the diseases that arose, which caused many Irish people to immigrate to other countries, or to die.
The fungus plagued the ecosystem for years and only started to decrease in intensity in 1850, once the ecosystem started to recover. Currently, although the pest still exists, the Irish ecosystem is completely recovered and the pest is controlled and is unable to make such an impact.
PLEASE HELP ASAP
For the past 20 years, the population of the invasive Asian Carp in the Mississippi River has skyrocketed, while populations of native species have declined. Which of the following conclusions provides the best explanation for this phenomenon?
The carp out-competed the native species for food and space.
The food sources preferred by the carp increased.
The native species migrated to new areas, while the carp remained.
The native species contracted a virus that the carp were immune to.
Answer:
the carp out competed the native species for food and space.
Answer:
The carp out-competed the native species for food and space.
Explanation:
5points on disadvantage of fungi
Answer: Food Molds. Molds form in humid environments. ...
Poisonous Mushrooms. •••
Superficial and Subcutaneous Infections. Fungi can infiltrate the external layers of human bodies and cause itching and rashes. ...
Systemic Mycoses. ...
Affects of Fungi on Other Organisms.
Explanation:
Answer!!!
True or False: Trampling of plants by animals is an example of a biotic factor.
Answer:
false
Explanation:
i am sorry if it is wrong
The trampling of plants by animals is not an example of a biotic factor, while animals and plants are examples of biotic factors. Hence, it is false.
What are biotic factors?A living thing that alters its surroundings is referred to as a biotic factor. Examples of organisms found in a freshwater habitat include algae, fish, amphibians, and aquatic plants. A particular ecosystem is the result of the interaction of biotic and abiotic components.
A living entity that influences another organism in its ecosystem is referred to as a biotic factor. Examples include the plants and animals the organism eats as food and the animals it consumes.
The trampling of plants by animals is not a biotic factor while living organisms and plants are biotic factors. Hence, it is false.
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how and why are organisms classified according to shared characteristic
Answer:
All living organisms are classified into groups based on very basic, shared characteristics. Organisms within each group are then further divided into smaller groups. This grouping system makes it easier for scientists to study certain groups of organisms
Explanation:
10
What complementary mRNA is made from the following DNA strand AAG-CTG-CCT *
(1 Point)
TTC-GẠC-GGA
UUC-GAC-GGA
TUC-GAC-GGA
UUC-GUC-GGA
No Answer
Answer:
a
Explanation:
If a strand has 10% cytosine, what percent will be adenine?
Answer:
40% of adenine is present
Explanation:
i need help on fiding a plant that is really interesting and different and show me the picture please
Describe the process of how an Igneous Rock is created
Answer: Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. ... When lava comes out of a volcano and solidifies into extrusive igneous rock, also called volcanic, the rock cools very quickly.
Glycolysis that starts with glycogen instead of glucose can be considered to have a higher energy yield because:
A. Phosphorolysis reactions cleave bonds with phosphate instead of water.
B. Phosphorylase is a better enzyme than hexokinase
C. Phosphorylase produces a glucose phosphate without spending an ATP to do it
D. All of these
Answer:
A
Explanation:
The answer is a Because Phosphorolysis reactions cleave bonds with phosphate instead of water (: just trust me
Glycolysis that starts with glycogen instead of glucose can be considered to have a higher energy yield because phosphorolysis reactions cleave bonds with phosphate instead of water. The correct option is A.
What is glycolysis?Through a sequence of processes known as glycolysis, glucose is divided into two pyruvate molecules, each of which has three carbons.
The metabolic process that changes glucose into pyruvate is known as glycolysis.
The high-energy molecules adenosine triphosphate and reduced nicotinamide adenine dinucleotide are created using the free energy released during this process. A series of ten enzyme-catalyzed processes make up glycolysis.
In contrast to phosphorolysis reactions, which cleave bonds with phosphate rather than water, glycolysis can be thought of as having a larger energy yield because it begins with glycogen rather than glucose.
Not producing adenosine 5′-triphosphate is not the primary goal of glycolysis; rather, it is to produce pyruvate for the trichloroacetic acid (TCA) cycle.
By boosting the ratio of NADH to NAD+, the glycolytic synthesis of pyruvate lowers the cytosol.
Thus, the correct option is A.
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Is the adaptation physical or behavioral. Humpback whales migrate north from Antarctica to breed in warmer water.
Answer:
okay so im going with a behavioural adaptation becasue if it was physical wouldnt that mean that they would change their appearance bc of there adaptation?
okie peace
Explanation:
Answer:
This adaptation is behavioral
Explanation:
The human immune system detects the presence of pathogens using pattern recognition receptor molecules that bind to common components of pathogens, such as peptidoglycan polymers in cell walls and the flagellin protein of bacterial flagella, known as pathogen-associated molecular patterns, or PAMPs. These receptors are effective becauseGroup of answer choicesthey detect only human immune molecules.they result in rapid evolution of the host immune system.they recognize evolutionarily conserved molecules that are structurally essential to the various bacteria that use them.PAMPs evolve more quickly than other pathogen molecules.
They recognize evolutionarily conserved molecules that are structurally essential to the various bacteria that use them.
What are Pattern recognition receptor molecules?Pattern recognition receptor molecules detect pathogen-associated molecular patterns (PAMPs), which are structurally conserved components of pathogens such as bacteria, viruses, and fungi. These molecules are essential for the survival and function of the pathogen, and are not found in the host's cells.
By recognizing PAMPs, the immune system can quickly identify and respond to a wide range of potential pathogens, without needing to recognize every individual pathogen separately. Therefore, the receptors are effective because they recognize evolutionarily conserved molecules that are structurally essential to the various bacteria that use them.
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CAN Someone PLS answer my question!!!!!
Explanation:
I think the answer is E(big eyeball), because big eyeball is dominant over small one___ is the process the body uses to break down food
Answer:
Digestion
Explanation:
Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream
Somebody help me with these 4 questions please
Answer:
i only know question 1 is convergent boundaries.
sorry i am not sure about the others
Explanation:
question 1 is convergent since they are sliding towards each other to form the subduction zone
How is the process of protein synthesis similar to the process of programming a computer? How is it different?
Answer:
Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. ... Translation occurs at the ribosome, which consists of rRNA and proteins. In translation, the instructions in mRNA are read, and tRNA brings the correct sequence of amino acids to the ribosome.
Both the synthesis of proteins and computer programming entail a series of instructions that lead to a particular output. While programming a computer and making proteins have some parallels, they are essentially separate activities that take place in different domains and use different tools and procedures.
What are the similarities and differences between proteins and computer programming?Similarities between proteins and computer programming:
Protein synthesis and computer programming both involve a series of instructions that are carried out in a particular order to get the intended result.Both processes need input data to produce output, and both processes require input data.Both methods rely on a language or code that is used to specify the instructions.Differences between proteins and computer programming:
Protein synthesis is a biological process that takes place inside of cells, whereas computer programming is a human-made activity that takes place inside of a machine.DNA and RNA are used in protein synthesis, just as a programming language is used in computer programming.Ribosomes, tRNA, and amino acids are used in protein synthesis to create proteins, whereas compilers, interpreters, and machine code are used to create programme for computers.Therefore, both the synthesis of proteins and computer programming entail a series of instructions that lead to a particular output.
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Why does the sun appear brighter than the other stars in the universe
Answer:
because its closer and bigger
Explanation:
its just closer and bigger than all of the other stars
Explain the structure of the cerebrum:
Answer: The cerebrum, also known as the forebrain, is the largest part of the brain. It is derived embryologically from the telencephalon. The cerebrum consists of two cerebral hemispheres (right and left) separated by a deep longitudinal fissure which contains the corpus callosum. The cerebrum is the largest part of the brain. It consists of the cerebral cortex and other subcortical structures. It is composed of two cerebral hemispheres that are joined together by heavy, dense bands of fibre called the corpus callosum. The largest part of the brain. It is divided into two hemispheres, or halves, called the cerebral hemispheres. Areas within the cerebrum control muscle functions and also control speech, thought, emotions, reading, writing, and learning.
Explanation: