What are the subunits (monomers) of DNA and their function? O Monosaccharides that provide quick energy for the cell. O Lipids that store energy and provide insulation. O Proteins that provide the building blocks for the structures of organisms. O Nucleotides that store information.
Answers
Answer:
Nucleotides that store information
Explanation:
Deoxyribonucleic acid, commonly known as DNA, is one of the two nucleic acid biomolecules found in living systems. DNA is a polymer made up of long chains of monomeric units called NUCLEOTIDES. Nucleotides consists of three major subunits or parts namely: phosphate group, nitrogenous base (A,T, G, C) and a five-carbon sugar (deoxyribose).
Nucleotides are responsible for the functional and structural characteristics of DNA, which is to store GENETIC INFORMATION in living cells.
Related Questions
Which type of mutation affects the largest number of genes? A. Missense mutation B. Silent mutation C. Point mutation D. Chromosomal mutation
Answer is: Chromosomal mutation
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Chromosomal mutation
Homologous chromosomes ________. Homologous chromosomes ________. carry genes controlling the same inherited characteristics carry the same versions of all genes are a set of chromosomes received from one parent during sexual reproduction
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Homologous chromosomes carry genes controlling the same inherited characteristics carry the same.
Homologous chromosomes are matched pairs containing the same genes in equal locations alongside their period. Diploid organisms inherit one copy of every homologous chromosome from every discern; Altogether, they may be considered a complete set of chromosomes.
Homologous and non-homologous chromosomes are the 2 forms of chromosomes diagnosed primarily based on the pairing sample of chromosomes for the duration of metaphase 1 of meiosis. Homologous chromosomes discuss with the chromosomes in the identical pair even as non-homologous chromosomes check with the chromosomes in one-of-a-kind pairs.
Each chromosome from homologous chromosome pair is inherited from each discern wearing the same genes within the identical order. As they're from distinctive individuals, homologous chromosomes aren't identical.
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Which two of the following sentences from the article include CENTRAL ideas of the article?
1. When a top predator is removed, everything else will be affected in some way, like a falling row of dominoes. 2. With no otters to eat them, populations of sea urchins and other marine invertebrates exploded. 3. Scientists have learned more about trophic cascades, and they have started to reintroduce some top predators back into their ecosystems. 4. There, sea urchins are decreasing, kelp forests are expanding and marine biodiversity is increasing
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Central idea of this article is a concept of trophic cascades, which refers to the effects that removing or adding top predators can have on an ecosystem. With no otters to eat them, populations of sea urchins and other marine invertebrates exploded and Scientists have learned more about trophic cascades, and they have started to reintroduce some top predators back into their ecosystems.
The correct option is 2 and 3
With no otters to eat them, populations of sea urchins and other marine invertebrates exploded. highlights the consequences of removing a top predator, as the population of sea urchins and other invertebrates exploded without otters to keep them in check.
Statement 3 highlights the importance of understanding the role that top predators play in maintaining balance in an ecosystem, and the potential benefits of reintroducing them in areas where they have been removed.
Hence 2 and 3 are the correct option
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why do cells have so many different organelles and structures?
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Answer:
they have many different organelles and structures because the cell needs them for survival just like the human body has many structures for us to survive and live.
What would happen to our calendar of Earth revolves around the Sun about every 365 1/4 days?
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Answer:
The Earth orbits the sun every 365.2422 days (0.2422 days is equal to 5 hours, 48 minutes and 46 seconds, roughly 1/4 of a day). Every 365 1/4 days (not exactly 365 days), the Earth returns to the same exact spot in its orbit.
* This rock's formation likely resulted from changes in temperature / pressure.
pleas no links i just nee help
(heres the photo to the question)
Answers
Answer:
Temperature
Explanation:
it looks like lava, and inorder for it to become lava it was melted at a high temperature.
Which best summarizes the process of protein synthesis?
A. RNA instructs DNA to make proteins.
B. DNA unzips, resulting in the formation of two protein molecules.
C. RNA moves the DNA code to the ribosomes for protein synthesis.
D. DNA makes proteins in the nucleus.
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Answer:
RNA instruct dna to make protien
The statement (A) best summarizes the process of protein synthesis.
What is protein synthesis?
Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus.
Moreover, protein biosynthesis (or protein synthesis) is a core biological process, occurring inside cells, balancing the loss of cellular proteins (via degradation or export) through the production of new proteins. Proteins perform a number of critical functions as enzymes, structural proteins or hormones.
Therefore, ribosomes are the sites in a cell in which protein synthesis takes place. Cells have many ribosomes, and the exact number depends on how active a particular cell is in synthesizing proteins.
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What are the three types of isolating mechanism that favor reproductive isolation and speciation?
Answers
A spore is a small structure, usually a single cell, produced by plants, fungi, and some
microorganisms. In the right environment, a single spore can develop into a new, individual
organism.
During observations of soil samples, scientists find tiny structures that appear to be spores.
Which experiment could the scientists use that would best determine if these tiny structures
are spores?
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If the structures are spores, they ought presumably germinate and develop into fresh individual organisms in the right circumstances. The results of this experiment would show that the structures seen are spores.
Is a spore often a single cell and small structure?A spore is a tiny, typically one-celled structure that is formed by some microbes, fungi, and plants. A single spore has the potential to grow into a brand-new, unique organism in the ideal conditions. Scientists have discovered small objects that appear to be spores while observing soil samples.
What are the structure and function of spores?The latent microorganism is shielded from outside effects by the mature spore structure until conditions are once again favorable for vegetative cell growth. After being reactivated, the dormant spore goes through germination and outgrowth.
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Based on the keeling curve, in the near future, do you think the amount of carbon dioxide molecules in the air will increase or decrease
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Based on the Keeling Curve and current trends, it is likely that the amount of carbon dioxide (CO2) molecules in the air will continue to increase in the near future.
The Keeling Curve shows a clear upward trend in atmospheric CO2 concentrations over the past several decades, with concentrations increasing from around 315 parts per million (ppm) in the 1950s to over 410 ppm in 2021. This increase in CO2 is primarily due to human activities such as the burning of fossil fuels, deforestation, and other land-use changes, which release large amounts of carbon into the atmosphere. Unless significant actions are taken to reduce greenhouse gas emissions, it is likely that CO2 concentrations will continue to rise in the coming years, which could have serious consequences for the Earth's climate and ecosystems.
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What is an earthquake?
define it
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Answer:
An earthquake is a sudden and violent shaking of the ground caused by the movement of tectonic plates beneath the Earth's surface. Tectonic plates are massive slabs of rock that make up the Earth's crust and are constantly moving and shifting. When the plates collide or slide against each other, they can create a release of energy in the form of seismic waves that cause the ground to shake.
The magnitude, or strength, of an earthquake is measured on the Richter scale, which ranges from 0 to 10. Earthquakes with a magnitude of 4.5 or greater can cause significant damage, while those with a magnitude of 7.0 or greater can be catastrophic and cause widespread destruction.
Earthquakes can occur anywhere in the world, but are most common in areas where tectonic plates meet or where there are active faults. They can also be triggered by human activities such as mining, drilling, and the construction of large dams.
(a) for both cells a and b, oxygen diffuses across the plasma membrane at a rate of 100 molecules per cm^2 per minute. Calculate the total number of oxygen molecules that enter the cells during a period of 5 minutes.
Cell A:
Cell B:
(b): Calculate the number of oxygen molecules available per cm^3 of cell during the 5 minute period.
Cell A:
Cell B:
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Answer:
Explanation: b
A car is travelling at a constant speed of 80 km/h. How many kilometers will the car cover if it keeps this speed for the next 3 hours and 30 minutes?
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Answer:
280
Explanation:
80×3=240
60÷2=30
80÷2=40
240+40=280
What term is used to describe the crust and uppermost part of the mantle?
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Answer:
Answer down below!
Explanation:
The term is called the Asthenospehere. The Lithosphere is the layer of air surrounding it.
Hope this helps!
If one or none of the parents has the trait and it skips a generation, then the pedigree is...
A .Dominant
B. Recessive
C. Sex-Linked
Answers
Explanation:
your answer is recessive recessive usually Skips a generation .
movement that brings the foot farther from the shin is a(n)
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The movement that brings the foot farther from the shin is a dorsiflexion movement.
Dorsiflexion refers to the movement of the foot and ankle that brings the top of the foot closer to the shin or anterior aspect of the leg. It is the opposite of plantar flexion, which involves pointing the foot downward, away from the shin.
During dorsiflexion, the ankle joint is extended, and the angle between the foot and the leg increases. This movement is controlled by specific muscles, including the tibialis anterior, extensor digitorum longus, and extensor hallucis longus, which contract to pull the foot upward.
Dorsiflexion is involved in various activities such as walking, running, and climbing stairs. It plays a crucial role in maintaining balance, providing stability, and allowing the foot to clear the ground during the swing phase of the gait cycle. Additionally, dorsiflexion is important for activities that require flexing the ankle, such as squatting or reaching for the toes.
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What are some examples of nutrients that
circulate in blood? Check all that apply.
red blood cells
glucose (a simple sugar)
amino acids
✓
fats
✓
white blood cells
Answers
Which of the following is not a con of solar power?
Select one:
a.
It contributes to global warming.
b.
It requires expensive technology.
c.
It is not available at night.
d.
It is not available when it is cloudy.
Answers
It contributes to global warming is not a con of solar power because this type of power does not produce pollution.
What is the disadvantage of solar power?One of the big disadvantages of solar power is that it requires high initial cost of installation because it is an expensive technology. Requires sunny weather to work best which means that it does not work at night. It has low energy conversion rate. Solar panels are fixed at to one location and we can not move it easily from one place to another.
So we can conclude that It contributes to global warming is not a con of solar power because this type of power does not produce pollution.
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Horse and humans are considered to have developed from the same ancestors. Give reasons
Answers
Humans started out by walking on fours and had lots of hair and that is the same as horses so that is why
Horses and humans are considered to have developed from the same ancestors. This is because they have similar body plans and the presence of hairs in their body which usually keeps them warm by preserving heat.
What do you mean by Common ancestors?Common ancestors may be defined as an ancestor that significantly has two or more common descendants. These descents are present within the concept of evolutionary biology. Apart from this, these are the root point of speciation.
According to the context of this question, previously humans also walk or move with the help of four legs similar to horses. After numerous modifications and the presence of vestigial organs, it makes it possible for humans to move with two legs.
Horses and humans both have hairs on their skin. It usually helps to keep them warm by preserving atmospheric heat. So, with these two prices of evidence, we can convey that horses and humans are considered to have developed from the same ancestor.
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An accumulation of air in the pleural space resulting in a pressure imbalance that causes the lung to fully or partially collapse is called:________
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An accumulation of air in the pleural space resulting in a pressure imbalance that causes the lung to fully or partially collapse is called pneumothorax.
An abnormal buildup of air in the pleural space between the lung and the chest wall is known as a pneumothorax. Shortness of breath and quick, acute, one-sided chest discomfort are common symptoms . A tension pneumothorax happens when an area of injured tissue forms a one-way valve, increasing the amount of air in the gap between the chest wall and the lungs.
Low blood pressure and an oxygen deficiency may result from this. Obstructive shock is a type of shock that results from this and can be lethal if left untreated. Extremely infrequently, a pneumothorax may affect both lungs.
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Using your understanding of the function of chloroplasts and specialized cells, infer why plant root cells lack chloroplasts. (1 point)
Root cells have many mitochondria. Roots are underground and are not exposed to sunlight. Root cells have two central vacuoles. Roots require fewer nutrients.
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Answer:
chloroplast absorbs the energy in sunlight and uses it to produce sugars. chloroplasts are not needed in plant roots because their function is to use energy from the sun and to convert into starches to be used by the plant. Since sunlight doesn't reach the roots, it would be impossible to use chloroplasts anyways.
Explanation:
Answer:
Roots are underground and are not exposed to sunlight.
Explanation:
What are the two sources of law in Australia?Options are:Federal and statutoryStatutory and commonCivil and commonHigh court and civil
Answers
The correct option is A. Federal and statutory. this is based on the British legal system.
The school’s biology class is learning about cell division and how the DNA is copied and divided to form an exact copy of the parent cell. What kind of magnifying tool that could be used to observe the stages of mitosis in an onion cell?
Magnifying lens
Transmission Electron Microscope
Compound light microscope
Scanning electron microscope
Answers
Answer:
C. Compound Light Microscope
Explanation:
Which type of relationship is formed when a Julia butterfly drinks a spectacled caiman's tears?
commensal
mutualistic
parasitic
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The relationship formed when a Julia butterfly drinks the tears of a spectacled caiman is known as mutualism.
Mutualism is a type of symbiotic relationship in which both organisms benefit from the association happening in-between.
In this case, the Julia butterfly obtains sodium and other minerals that are essential for its survival and reproduction, which are not readily available in the nectar of flowers that it typically feeds on. The spectacled caiman benefits from the presence of the butterflies, as they help to remove excess salt from the caiman's eyes and keep them clean.
This mutualism relationship is not that common and is observed in only a few species of butterflies and reptiles and is considered a rare type of mutualism.
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All of the environmental features in the area where an organism lives are known as its.
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This is a newly formed lateral moraine beside Andrews Glacier in Rocky Mountain National Park. A moraine is the material left behind by a moving glacier. As you can see, the materials left are rock. In order for succession to occur, the soil must form. What is primarily responsible for the formation of soil in primary succession?
Answers
Answer:
D.)Moss and lichen
Explanation:
Which of the following structures in an ascomycete is haploid? A. basidium B. ascus C. ascospore D. ascocarp
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The structure in an ascomycete that is haploid is the ascus.
In ascomycetes, the ascus is the structure where sexual reproduction takes place. It contains the ascospores, which are the result of meiotic division. The ascus is formed from the fusion of two haploid nuclei, one from each parent, to form a diploid nucleus. This diploid nucleus then undergoes meiosis, resulting in the formation of haploid ascospores. These ascospores are the reproductive units that can be dispersed and give rise to new haploid individuals. Therefore, among the given options, the ascus is the structure that is haploid, as it contains the haploid ascospores. The basidium is a structure found in basidiomycetes, and the ascocarp is the fruiting body of an ascomycete, both of which are not haploid structures.
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Which processes of the water cycle retum water vapor
directly to the atmosphere?
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Answer: the answer is evaperation :)
24. Approximately how wide is each time zone?
a. 15"
b. 30°
e. 60°
d.180°
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Lipid-soluble signaling molecules, such as aldosterone, cross the membranes of all cells but affect only target cells because.
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The membranes of all cells but affect only target cells because of Intracellular.
What are molecules and examples?The smallest particle of any substance which can exist independently and retain the physical and chemical properties of the substance, made up of one or different elements is a molecule. Molecules are divisible into atoms further. For example, oxygen atom is represented as O, oxygen molecule is represented as O2.
How a molecule is formed?
When atoms combine by forming covalent bonds, the resulting collection of atoms is called a molecule. We can therefore say that a molecule is the simplest unit of a covalent compound.
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