why are there no hydrogen bonds in RNA
Answers
Answer:
Below:
Explanation:
RNA can temporarily form hydrogen bonds between bases of two strands. When people think about nucleic acids, they typically think of DNA but there's another molecule RNA which is just as important. ... The basic building blocks that make up RNA are nucleotides just like with DNA. Due to this fact, we know that there are no hydrogen bonds in RNA.
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Related Questions
how do the input molecules become the output molecules in photosynthesis?
Answers
Answer:
In photosynthesis, water, carbon dioxide, and energy in the form of sunlight are inputs, and the
1. Conduct research about why molecular-level structure is important in the
functioning of designed materials. You should research at least two examples. Then
communicate this scientific and technical information using written text and
graphics. (5 points)
A) What is the difference between bonding forces holding compounds together and
other attractive forces? What types of chemical bonding and intermolecular forces do
the materials have?
B) Predict the general properties of your materials based on the types of bonds they
have. Properties include melting point, boiling point and conductivity
C) analyze your materials specific physical and chemical properties. properties include color, density, viscosity, buoyancy, boiling point freezing point, conductivity, and reactivity.
D) designed materials need to meet certain requirements. when designing new products why is it important to study the properties of the materials?
Answers
Molecular-level structure is vital in the design and use of materials mostly at the macroscopic-stage. The structure of a molecule is known to influence how it interacts with other molecules.
Note that Attractive and repulsive forces are the ones that plays a vital role in the total properties of matter seen on the scale.
Molecular structure is known to be the one that helps us to know more about Nature's intricate design methods and blueprints. When we know the blueprints and basic materials, we can then try to mimic her essential products that are cost effective and the ones that has less harmful environmental effects.
What is the Difference between bonding forces and intermolecular forces ?The Difference between bonding forces and intermolecular forces is that Intermolecular forces are known to be forces that are said to hold two or more molecules as one while a chemical bond is known to be an attractive force that exist between two or more atoms.
The types of chemical bonding and intermolecular forces that materials have are:
For Chemical bonds they are:
CovalentPolar covalentIonic bondsFor Intermolecular forces, the three types are van der Waals forces are:
Dispersion forces.Permanent dipole-dipole forces.Hydrogen bonding.Learn more about Molecular-level structure from
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if sd stimulation of blood vessels increases what happens to the size of the vessel? if sd stimulation decreases?
Answers
SD stimulation (short for sympathetic nervous system) is known to cause vasoconstriction, which means that blood vessels will narrow in size. On the other hand, when SD stimulation decreases, it results in the relaxation of blood vessels, causing their size to increase. This process is called vasodilation.
Vasoconstriction occurs as a result of the release of noradrenaline from nerve endings that supply the blood vessels. If SD stimulation increases, this will cause an even greater vasoconstriction, resulting in a further reduction in vessel size. Conversely, if SD stimulation decreases, this will cause vasodilation, which means that blood vessels will relax and increase in size.
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what will happen to the concentrations of atp, nadph, and sugar when you add diuron.
Answers
Answer: its decreas for all of them
Explanation:
Cuz I did it lol
The application of diuron decreases the activity of ATP, NADPH, and sugar production.
What is diuron?Diuron is a powerful herbicide and algaecide that blocks the natural process of photosynthesis and inhibits the weed's ability to convert light energy into chemical energy.
It stops the process of photosynthesis by stopping the creation of oxygen and blocking the transfer of electrons from photosystem II in plants, which stops the electron transport chain from working properly.
In the long run, this causes a reduction in the amount of ATP, NADPH, and sugar that plants produce.
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Inorganic materials do NOT contain. Iron, Hydrogen, DNA, Carbon
Answers
Answer:
carbon
Explanation:
because only organic compounds contain carbon
due to less snowfall in an area white mice are eaten by predators more than dark mice this should lead to
Answers
Due to the less snowfall in the area white the mice are eaten by the predators more than the dark mice this should lead to direction selection
An example of the directional selection is the fossil records that has show that the size of the black of bears in the Europe and decreased during the interglacial periods of the ice ages, but it increased during each the glacial period. an Another example is the beak size in the population of the finches as directional selection is giraffe neck lengths. The environment was created as selection pressure which is favored by giraffes with longer necks who could be reach more food in the trees. At the same time, there was the selection pressure against the giraffes with shorter neck
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What is the role of the MCR1 gene in determining a populations fitness for survival
Answers
PLZ HELP 25 POINTS!!!
Give an example of how Eubacteria can be harmful. Explain.
Answers
Answer: However, bacteria can also cause disease. Examples of bacterial diseases include tetanus, syphilis, and food poisoning. Bacteria may spread directly from one person to another. For example, they can spread through touching, coughing, or sneezing. Some Eubacteria can induce serious diseases such as tuberculosis, meningitis, anthrax, leprosy, cholera and tetanus. Antibiotics disrupt normal functioning of bacterial ribosomes or synthesis of the cell wall and prevent further multiplication of bacteria in the body.
Explanation:
First correct answer gets Brainliest! Please answer!
(About Parkinson's Disease)
What gene is affected?
What kind of mutation is it?
Answers
Answer:
Parkinson disease is caused by mutations in the PARK7, SNCA, PINK1, PRKN, or LRRK2.
Explanation:
These are all genes that can be affected.
Which of the following is a main difference when comparing an animal cell and a plant cell?
Answers
1. which dragonflies undergo the change from yellow to red, and when in their life cycle does it occur? (4 points) 2. what types of in vivo experiments did the researchers perform, and what were the results? (7 points)
Answers
When gyndandromorphic dragonflies mature sexually, their pigmentation changes. The in vivo experiment revealed that the color or pigmentation change from red to yellow occurred only locally and had a significant impact on the dragonfly, causing it to die very quickly.
A dragonfly is a flying insect in the order Odonata's infraorder Anisoptera. There are approximately 3,000 known species of true dragonflies. The majority are tropical, with only a few species found in temperate regions. Wetland habitat loss threatens dragonfly populations worldwide. Adult dragonflies have two pairs of strong, transparent wings with colored patches and an elongated body. Many dragonflies have brilliant iridescent or metallic colors caused by structural coloration, which makes them stand out in flight. The compound eyes of an adult dragonfly have nearly 24,000 ommatidia each.
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the use of multiple forms of pest control including biological, chemical, and the planting of pest-resistant crops is a strategy commonly called .
Answers
The use of multiple forms of pest control, including biological, chemical, and the planting of pest-resistant crops, is a strategy commonly called Integrated Pest Management (IPM).
IPM is a comprehensive approach to managing pests in an effective, economical, and environmentally responsible manner. In IPM, various pest control methods are employed to manage pest populations and minimize damage to crops. Biological control involves the use of natural enemies, such as predators, parasites, and pathogens, to reduce pest populations.
Chemical control involves the selective and judicious use of pesticides, aiming to minimize harm to non-target organisms and the environment. The planting of pest-resistant crops involves breeding or genetically modifying plants to have increased resistance to specific pests, reducing the need for chemical interventions. The primary goal of IPM is to achieve a balance between economic viability, environmental safety, and long-term sustainability.
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Which of these best describes how limited resources can lead to differential reproductive success
Answers
"Competition for necessities, such as food and water, results in the survival of only some of the individuals who then have the ability to produce more offspring."
What is reproductive success?Resources like food, water, shelter, and partners that are vital for life and reproduction are frequently in limited supply in any particular community. Not every member of a population will be equally successful in obtaining these resources as there will be competition for them.
Some people may be better adapted, skillful, or efficient at acquiring the required resources, increasing their chances of survival and procreation.
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Missing parts;
Which statement describes how this leads to differential reproductive success? Competition for necessities, such as food and water, results in the survival of only some of the individuals who then have the ability to produce more offspring. A finite supply of resources can lead to natural selection in populations.
What 3 molecules cannot easily pass through the membrane?
Answers
Answer:
1. Large uncharged molecules; sugar, amino acids
2. Positive charged molecules; +ion
3. Negative charged molecules; -ion
A city in the southwestern United States has finally received enough precipitation to emerge from a 3-year drought. The drought had a significant effect on agricultural activities in areas surrounding the city, which resulted in high food prices during the drought.
A scientist in the city wants to design a plan that will help reduce the impacts of future droughts that may occur in the area. Which of the following would most likely be a part of the scientist's plan?
A.
using only water soluble pesticides in agricultural areas
B.
building dams on local rivers to create water reservoirs
C.
encouraging the local population to buy more bottled water
D.
building levees along local rivers to prevent overflow
Answers
Answer:
В
Explanation:
The construction of dams and reservoirs in the future will help provide drought.
receptors for gaba and glutamate tend to be of the type while receptors for neuromodulators are usually of the type
Answers
Receptors for gamma-aminobutyric acid (GABA) and glutamate, the two major neurotransmitters in the central nervous system, tend to be ionotropic or metabotropic in nature, respectively.
GABA receptors are primarily ionotropic receptors, meaning they directly gate ion channels upon neurotransmitter binding. There are three types of ionotropic GABA receptors: GABA-A, GABA-C, and GABA-A-rho. GABA-A receptors are the most common and are composed of multiple subunits, forming a chloride ion channel. Activation of GABA-A receptors leads to an influx of chloride ions, resulting in inhibitory effects by hyperpolarizing the postsynaptic membrane.
In contrast, glutamate receptors are mainly metabotropic, or G protein-coupled receptors (GPCRs). These receptors do not directly gate ion channels but instead activate intracellular signaling pathways through G-proteins. The two major types of metabotropic glutamate receptors are mGluR1-8, which are involved in diverse physiological processes such as synaptic plasticity, neuronal development, and modulation of neurotransmitter release.
On the other hand, receptors for neuromodulators, such as dopamine, serotonin, and acetylcholine, are typically G protein-coupled receptors. These receptors modulate the activity of neural circuits and influence multiple neurons over larger spatial and temporal scales. By coupling to G-proteins, they initiate complex intracellular signaling cascades that can regulate gene expression, alter synaptic strength, and impact cellular excitability.
The distinct receptor types for GABA, glutamate, and neuromodulators reflect the functional diversity and signaling complexity within the nervous system. The ionotropic nature of GABA receptors allows for fast inhibitory synaptic transmission, while metabotropic glutamate receptors contribute to slower, longer-lasting modulation of synaptic activity. In contrast, neuromodulators exert widespread effects on neural circuits, enabling the regulation of global brain states, arousal, attention, and other complex behaviors.
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Where da fine shortys at follow da gram yfbg.jay
Answers
Answer:
thanks for points
Explanation:
What is the purpose of a dichotomous key of the sort you might find in a field guide? check all that apply.
a. to determine what sort of field you are located in
b. to identify species in the wild
c. to measure the magnetic or electric field of an organism
d. to compare species to each other
Answers
The purpose of a dichotomous key of the sort you might find in a field guide is :
to identify species in the wildWhat is meant by dichotomous key ?Since "dichotomous" refers to something that is divided into two parts, the dichotomous keys always offer two options based on the essential traits of the organism at each step. The user will be able to identify the name of the organism at the conclusion by accurately making the right decision at each stage.
The most popular method for classifying plant and animal species according to their traits is to utilize dichotomous keys. In addition, they can be used to identify minerals and, in theory, any kind of object that can be recognized by a predetermined set of observed properties.
The key should contain only dichotomous elements. Never perform a trichotomy. Each couplet must contain two contrasting, alternate qualities. Use stark contrasts.
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Answer:
2.to identify species in the wild
4.to compare species to each other
Explanation:
Where do each of the elements (letters) in glucose comes from during the process of photosynthesis.
Answers
Answer: From carbon dioxide and water
Explanation:
Glucose is a type of carbohydrate which is produced as a product of the biochemical reaction that is photosynthesis. Carbon dioxide and water are the reactants used for the synthesis of glucose. The carbon dioxide is obtained from the atmosphere and water from the roots. Carbon, hydrogen, and oxygen are the elements that are present in the carbohydrate through reactants named carbon dioxide and water.
A city in the U.S. Southwest is planning to restore some wetlands in a park running along its downtown river. A question has been raised about mosquitoes. Some think that mosquitoes will promote the bird population and that the natural beauty of the project will outweigh the risks. Others are worried that the mosquitoes might bring of the such diseases as malaria, especially as more people migrate from the south. How should city planners balance these concerns?
Answers
City planners faced with the question of balancing concerns regarding mosquitoes in wetland restoration projects need to consider both the potential benefits and risks involved. On one hand, mosquitoes can serve as a food source for birds and contribute to the biodiversity and ecological balance of the wetland ecosystem.
They play a role in supporting the bird population and enhancing the natural beauty of the park. These aspects can be important factors in promoting environmental sustainability and attracting visitors to the area. On the other hand, there are legitimate concerns about the potential risks associated with mosquitoes, particularly in terms of disease transmission. While malaria is not typically a concern in the United States, other mosquito-borne diseases such as West Nile virus and Zika virus may pose risks to public health. As migration patterns change and more people move from regions where these diseases are prevalent, the potential for transmission could increase.
To strike a balance, city planners should consider implementing measures to mitigate the risks associated with mosquitoes while maximizing the benefits of wetland restoration. This can include implementing mosquito control strategies such as monitoring and targeted insecticide use, creating habitats for natural predators of mosquitoes, and providing education and awareness programs for the public. By adopting a comprehensive approach that addresses both ecological and public health considerations, city planners can create a wetland restoration project that balances the promotion of biodiversity and natural beauty with the protection of public health.
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What does it means when multiple genes determine a trait
Answers
Answer:
Polygenic.
Explanation:
A trait that is controlled by more than one gene is called polygenic which translates to "multiple genes".
Due today. Will you help me i have a C and need to make it a B and will mark brainiliest
Watch the video above about human evolution from TedEd Talks.
Respond to the following questions in your prompt:
Describe/explain at least TWO examples of evidence that humans are still evolving (according to the video).
Describe on adaptation that you think could evolve in humans that could be beneficial (that was NOT on the video).
Answers
Answer:
The video says that Tibetan people from birth have higher oxygen saturation due to evolution.
The video says that people in Siberia and the high arctic have adapted to survive extreme cold.
I think that one evolution that could be beneficial to humans is the ability to have more tougher skin because our skin doesn't have too many layers.
Explanation:
Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day! Hope you get an A in that class!!!!
I do not think that any new beneficial adaptation could evolve in the human population. Modern medicine and society has created a situation where there is no longer differential reproductive success between individuals. What historically may have been a beneficial trait, no longer plays a major role in determining the relative fitness of an individual. For this reason, natural selection does not act on new traits within the human population and these traits to not rise in frequency in the population overtime. It is possible that new beneficial traits are introduced into the population by mutation, but these traits certainly won’t reach fixation in the population due to lack of natural selection on these traits. The frequency of these traits will be determined primarily by random changes in the frequency of these traits over time (genetic drift).
5. 5 State the role of the following hormones in the body (a) Insulin (3 marks)
Answers
Answer:
Insulin is an essential hormone produced by the pancreas. Its main role is to control glucose levels in our bodies.
Answer:
he is your friend and I am not
What is the relationship between the depths of earthquake foci and latitude
Answers
Compared to the number of chromosomes contained in a body cell, how many chromosomes would normally be contained in a gamete? 1 point A. The same number B. Twice as many C. 1/4th as many D. Half as many
Answers
Answer:
Option D, Half as many
Explanation:
Chromosome in parental cell is diploid i.e 2n
where as the gamete chromosome is haploid and is represented as "n"
Thus, chromosome number in gamete is just the half of the chromosome number of parent.
Hence, option D is correct
RR
The offspring that resulted from the cross were all pink. A Punnett square modeling the cross is shown belo
R
R
Rr
Rr
Rr
Rr
The pink-flowered offspring must have been the result of sexual reproduction because
OA.
the offspring are genetically identical to the red flowered plant.
OB.
the offspring are genetically identical to the white flowered plant.
OC. the offspring are genetically different from either of the parent plants.
OD.
the offspring did not receive genetic information from either parent plant.
Answers
Answer:
c. the offspring are genetically different from either of the parent plant.
Explanation:
The plant has it's own DNA that comes from both parents. The pink is a result of a mixture between the red and white.
what event occurs when the cytoplasm divides
Answers
Answer:
The cell cycle is defined as the several stages of the Interphase and M phase that regulate the duplication and replication of genetic material. What are the events of interphase?Interphase is defined as the phase of the cell cycle, which is divided into G1, S, and G2 phases.During the phases of interphase, the cell grows in size, replication of genetic material occurs, and the cell prepares itself for division. Centrioles are round-shaped structures, which are present in the cytoplasm and play a crucial role in organizing the microtubules. Thus, the interphase is characterized by the duplication of centrioles
Explanation:
how to form an animal cell diagram
Answers
Creating an animal cell diagram can be a great way to learn about the structure and function of the different organelles that make up an animal cell. Here is a step-by-step guide on how to form an animal cell diagram:
Start by drawing a large rectangle or oval to represent the cell membrane. This is the outermost layer of the animal cell that surrounds and protects the cell.Next, draw a small circle within the rectangle or oval to represent the nucleus. The nucleus is the control center of the cell and contains genetic material, such as DNA.Draw several small circles around the nucleus to represent the mitochondria. These organelles are known as the powerhouses of the cell as they produce energy for the cell.Draw small, flattened sacs around the mitochondria to represent the endoplasmic reticulum (ER). The ER is responsible for transporting molecules within the cell.Draw small, round shapes near the ER to represent the ribosomes. These organelles are responsible for making proteins.Draw a small, lollipop-shaped structure near the ribosomes to represent the Golgi apparatus. The Golgi apparatus is responsible for modifying, sorting, and packaging molecules for transport.Draw small, elongated shapes near the Golgi apparatus to represent the lysosomes. These organelles are responsible for breaking down and recycling waste materials within the cell.Draw small, spiral-shaped structures near the lysosomes to represent the centrioles. These organelles are responsible for cell division.Finally, add any additional structures or labels that are specific to the animal cell you are studying.To know more about animal cell refer here:
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What is the correct order for respiration?
Answers
2. Krebs cycle
3. Electron transport chain
could i get some help matching these
Answers
Answer:
nucleus circle thats all i know srry
Explanation: