In cell biology a centriole is a cylindrical cellular organelle composed mainly of a protein called tubulin. Centrioles are found in most eukaryotic cells. A bound pair of centrioles, surrounded by a shapeless mass of dense material, called the pericentriolar material (PCM), makes up a structure called a centrosome.
In ecology,a population is defined as all the
A) members of a single species in the biosphere
B) members of a given genus inhabiting a given area
C) members of a single species ihabiting a given area
D) abiotic and biotic factors in a given location
D) abiotic and biotic factors in a given location.
How are the functions of a carbohydrate and a lipid similar? Both lower the activation energy of reactions. Both dissolve nutrients in the digestive system. Both are a source of energy. Both are replicated during meiosis.
The function of Carbohydrate and lipid are similar as both are a source of energy.Thus, option C is correct.
What is biomolecules?Biomolecules are the biological chemical compounds present in living organisms including chemicals that are composed of mainly carbon, oxygen, hydrogen, nitrogen.
Biomolecules are the base of life as they are building blocks of body and perform important functions in the body of living organisms.
The four major biomolecules are nucleic acid, carbohydrate, protein, and lipids.
Carbohydrates:
It a biomolecule consisting of carbon, hydrogen and oxygen atoms as these are essential type of biomolecule compound.they are made up of small monomers known as monosaccharides.Lipids:
These are insoluble in water and provide a high amount of energy.The main function of lipid is they work as a chemical messenger.
Therefore, the function of carbohydrate and lipids are similar as both are a source of energy.Thus, option C is correct.
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explain how the structure of a cellouse molecule relates to the molecules function
The main component of cell walls is cellulose. The cellulose make stems, leaves and branches. So it play an important role in building of tissues. ... The molecules of cellulose have hydroxyl group that form hydrogen bonding with other cellulose and provide support to plant.
To maintain the current population density, which of the following must occur?
A. The death rate must be higher than the birth rate
B. The birth rate must be higher than death rate
C. The birth rate and death rate must stay the same with migration at 0
D. The birth rate and death rate must stay the same while migration can continue to rise
Hmm, well I think the answer is C.
I would say Answer A & B are incorrect because if the death rate was higher, soon there would be 0 people on earth. And B is incorrect because soon there would be overpopulation, the death rate would only slow this factor down.
So I believe C is the best answer out of C & D
Hope this helps you, Have a great day!
Final answer:
To maintain current population density, the birth rate and death rate must remain the same with no migration, allowing the population to remain stable.
Explanation:
To maintain the current population density, the correct option is C. The birth rate and death rate must stay the same with migration at 0. This scenario ensures that the population remains stable over time. In the demographic transition model, stages represent different combinations of birth and death rates affecting population size. In Stage 4, for example, the birth rate reaches the same low level as the death rate, which results in zero population growth. This aligns with the understanding that equal birth and death rates, without the influence of migration, keep the population density steady. Factors such as population growth rate, demographic transition, and the balance between births and deaths are critical in understanding how populations change over time.
How plants use chlorophyll for photosynthesis
Chlorophyll works as food for plants to convert carbon dioxide, water and the energy from sunlight to create glucose (food) and oxygen
what is the difference between copper and silver
Answer:
Compared to copper silver has only slightly less resistivity however it has a higher density so on a resistivity to mass basis the two are roughly identical. Copper is also more malleable and ductile than silver and can be shaped easier and put under stress without damage.
PLEASE HELP ON LAST 3 40 POINTS
Where low tide occurs?
Low tides occur between two high tide areas. They form 90 degree angles with the moon.
Where high tide occurs?
Parts of the earth when facing the moon, those parts experience the pull force, cause high tides. They occur in the areas closest to and farthest from the moon.
How often high tide occurs?
Hide tides occur twice a day. Coastal areas experience high tides every 12 hours.
True or false a doubled chromosomes has one original and one copy
how do u calculate these numbers from least to greatest 6.84, 8 5/7, 6.34, 6 1/4, 8 3/10, 8.15?
Answer:
6.25<6.34<6.84<8.15<8.3<9.142
Explanation:
The best way to compare these numbers is to convert all these numbers into the same form either fraction or decimal.
I will convert all the numbers into decimal.
[tex]6.84 \\8\frac{5}{7} \\6.34\\6\frac{1}{4} \\8\frac{3}{10} \\ 8.15[/tex]
[tex]8\frac{5}{7} \\= \frac{64}{7} \\= 9.142[/tex]
[tex]6\frac{1}{4} \\= \frac{25}{4} \\= 6.25[/tex]
[tex]8\frac{3}{10} \\= \frac{83}{10} \\= 8.3[/tex]
On arranging all the decimals numbers from in ascending order, we get -
[tex]6.25<6.34<6.84<8.15<8.3<9.142[/tex]
Describe three processes that contribute to chemical weathering of the Earth
Chemical weathering is a process in which rocks erosionate due to chemical reactions:
- High chemical levels: when levels of chemical elements increase for any reason, these can contribute to chemical weathering.
- Humans: the chemicals humans use most of the time penetrate on the earths surface also contributing to chemical weathering.
- Chemical reactions: when certain chemical reactions occur they can oxidate or erode their surroundings contributing to chemical weathering.
Hope it helped,
BioTeacher101
what us the role of ATP in the cells plz help
Transporting enrgy wihin the cells
Absorbing water during photosynthesis
Transporting oxygen for resperation
Absorbing light energy for photosynthesis
What causes ocean water to be colder at the poles than at the equator ?
That answer is know to be C. Because the sun affects it most but the equator has an affect because of the location. For ex. if its close to Antarctica its colder! like the arctic ocean is absolutely frigid! Hope that this is helpful!
Answer:
Its C
Explanation:The other guy was close but wrong, i got a 100apex score
Of the three lipid types phospholipids are more similar to fats true or false
False.
Hope this helps!
Omg it’s aggravating me so much lol can somebody help me
Hey there!
the correct answer choices would be - B, C, D.
Hope this helps!
Do a strip of copper and a cube of copper have the same mass and the same volume
Thus, the temperature of a substance can be determined by placing the .... All three have the same temperature, and they barely fit inside each other. ... The radiator is made of copper, and the coolant has a coefficient of volume expansion of . .... When ice cubes are used to cool a drink, both their mass and temperature
Final answer:
A strip of copper and a cube of copper do not necessarily have the same mass and volume. Their mass and volume depend on their respective shapes and sizes, even though they have the same density.
Explanation:
Whether a strip of copper and a cube of copper have the same mass and volume depends on their dimensions and densities. The mass of an object is related to its volume and density. Since both objects are made of copper, they have the same density. However, the mass and volume of each piece would vary based on their shapes and sizes.
To determine the mass of the copper pieces, one would need to weigh them, as mass is a measure of the amount of matter in an object.
To find the volume, for the strip, one might need to use water displacement or calculate it based on its dimensions, while for the cube, the volume can be found by cubing the edge length. If both pieces have the same mass, they will not necessarily have the same volume due to the different shapes.
what argument does dr. douglas use with dr. brodus to allow the study to continue
The argument or the reason that Dr. Douglas used with Dr.
Brodus in allowing the Tuskegee study to continue despite of certain
circumstances was because of validation in terms of the autopsy in which he
stated that is needed in order to know whether the study is reliable and it is considered
to be science.
The answer is that Dr. Douglas uses the argument that the study should continue because it has the potential to benefit many people, including those who are not currently sick.
To understand Dr. Douglas' argument, we must consider the ethical principles at play in medical research. Dr. Douglas is likely advocating for the principle of beneficence, which is the ethical obligation to help others and to contribute to the health and welfare of others. By continuing the study, there is the potential to discover new knowledge that could lead to improved health outcomes for a broader population, not just those who are immediately ill.
Dr. Brodus, on the other hand, might be concerned about the principle of non-maleficence, which is the obligation not to harm others. This principle would necessitate careful consideration of the risks and benefits of the study, especially for participants who may not directly benefit from the research.
Dr. Douglas' argument is grounded in the idea that medical research often involves a certain level of risk, but if the potential benefits to society are significant, then it may be ethically justifiable to proceed with the study, provided that the risks to participants are minimized and that participants give informed consent.
In summary, Dr. Douglas' argument is based on the ethical principle of beneficence, emphasizing the potential for the study to provide significant benefits to society, including individuals who are not currently sick. This perspective is balanced against the need to ensure that the study's risks are acceptable and that the rights and welfare of participants are protected.
Compare the importance of both biotic and abiotic factors to an ecosystem
Answer:
A biotic factor is a living thing that has an impact on another population of living things or on the environment. Abiotic factors do the same thing, but they are non-living. Together, biotic and abiotic factors make up an ecosystem. To survive, biotic factors need abiotic factors. Hope it helps you .
Explanation:
What is fluid mosaic model
Which type of interest rate gives the most accurate measure of the amount a borrower will really pay in interest, because it takes into account compounding that happens during the year? (Select the best answer.) Question 4 options: FICO APR APY FCRA
I believe that it is APY. APY incorporates the additional complication of compound interest...
The APY (Annual Percentage Yield) is the interest rate that best measures the actual cost a borrower will pay, as it takes into account the compounding of interest throughout the year. It is more accurate than APR for representing the true cost of a loan.
Unlike the Annual Percentage Rate (APR), which might not reflect the impact of compounding, APY gives a more accurate representation. The APY is especially useful for comparing different financial products to understand which one is more expensive or offers a better return on investment, as it includes both the interest rate and the frequency of compounding within a year.
It's crucial to note that FICO, FCRA, and APR are not themselves interest rates. FICO is a type of credit score, APR typically represents the cost of borrowing without compounding, and FCRA refers to the Fair Credit Reporting Act, which regulates the collection of credit information.
the water cycle, like the other cycles, is a “closed system.” what does that say about the importance of keeping the water on earth free from population
Like you stated, the water cycle is a closed sytem.Therefore, it's never ending it will keep on going, and repating it's self forever.So we need to keep it clean because, we use water for food, dishes, etc which is a pro.The con of trying to keep water is fresh is the fact we bathe, and clean with water. Even though we bathe, and stuff with water we can try to keep water clean.Even though water goes through a process and people say the water system cleans water doesn't mean it's true.The best ting we can do to keep free from population is use less water, and try keeping large, small bodies of water clean.
The water cycle is crucial for Earth's ecosystems, climate, and human survival, emphasizing the importance of preserving water from pollution. Urban development can disrupt this cycle, and over-use and pollution of freshwater threaten the limited supply, affecting both the environment and over a billion people worldwide.
The water cycle, also known as the hydrologic cycle, is a closed system where Earth's water continually moves and changes states between liquid, vapor, and ice. However, this cycle is considered 'closed' in the context that the total amount of water on Earth remains relatively constant, with minimal loss and gain from the outer space. The importance of keeping water free from pollution is vital, as over-use and pollution of freshwater threaten the limited supply that humans and ecosystems depend on. A healthy water cycle is essential for ecosystem dynamics, as it influences climate, environmental conditions, and supports life and ecosystems on the planet.
Urban development contributes to the disruption of the water cycle by stripping plant cover, creating impervious surfaces that prevent precipitation infiltration, leading to erosion and flooding downstream. Additionally, water cycling involves significant energy transfer, crucial for maintaining Earth's energy balance. The importance of the water cycle and the necessity to keep water free from pollution cannot be overstated, given that more than a billion people lack adequate freshwater access, and the situation may worsen with the growing human population.
Which statements describe what geologists study? Check all that apply.
oxygen and other gases that surround Earth.
the solid parts of Earth.
the inside of Earth.
living things on Earth.
the forces that affect Earth.
the rocks and minerals that make up Earth.
The statements that describe what geologists study are:
The solid parts of Earth The inside of Earth The forces that effect Earth The rocks and minerals that make up EarthA geologist is a person that studies the things, characteristics and features that make up the earth. They study the geology of the earth.
Geology is the study of the things that make up the earth. It is also known as geoscience .
Some functions and roles of a geologist include:
Studying the insides of earthStudying of rocksStudying the history of the earthStudying the things that make up the earth, etcAs a result of this, we can see that a geologist studies the things that make up the earth and when doing this, he has a direct relationship with geology.
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what will likely cause an inscription on a marble gravestone to become more difficult to read over time
Piper touches a block of ice , and she feels that it's very cold. How does she feel the sensation of cold ?
Answer:
By the helps of sensation that he felt because of the presence of nerve endings on the tip of finger.
Explanation:
Finger tips contains nerve endings at the tip of every finger which sense the stimuli that is provided to the finger.
The sensation is transferred to brain by the help of nerves which sends the signal to brain that there is something cold.
The signals from the brain is transferred from the brain to finger to feel the cold sensation.
nucleotides are the basic unit of which macromolecules
nucleic acids is the basic unit of a nucleotides
The structure of a substrate P strongly resembles substrate Q. In an experiment, By mistake P was used instead of Q as a substrate for the enzyme, Q-ase. The results obtained were identical to the results that would have been obtained using substrate Q. Why did substrate P work in place of substrate Q?
A) P and Q are coenzymes
B) P and Q are holoenzymes
C) P and Q have similar binding properties
D) P and Q have different binding properties
The structure of the substrate P and Q is mostly similar. This strong structural similarity would mean that the binding properties of these two different substrates might also be similar. The production of similar results by using substrate P instead of the substrate Q ensures this similarity. The substrate P binded with the enzyme similar to the substrate q and resulted in the same products.
Hence, the correct answer is 'Option C- P and Q have similar binding properties'.
Which of the choices below is one of the primary gases found in the atmosphere?
A.
Oxygen
B.
Carbon Dioxide
C.
Argon
D.
Helium
Oxygen is your answer. :)
Answer:
Oxygen
Explanation:
Study Island
Which is the highest level of organization within an organism?
The highest level of Organization within an Organism is Biosphere
A __________ is another name for a group of elements with similar properties on the periodic table of elements?
The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods
A Family is another name for a group of elements with similar properties on the periodic table of elements.
What percent of solar radiation is filtered by clouds and may cause sunburn on cloudy days?
22 percent of solar radiation is filtered by clouds and may cause sunburn on cloudy days.
questioned answered by
(jacemorris04)
Answer:
40%
Explanation:
Clouds are able to retain only 40% of the solar radiation, you still can get a sunburn if you don't protect your skin.
Clouds could be dangerous because they can make a magnifying glass effect with the sun, that means, they could cause a bigger impact upon the skin.
That's why is recommended to use sunscreen lotion every day even if it's cloudy.
how is e.coil like a paramecium