A. the nucleus stores genetic information B. the plasma membrane controls transport
C. the cytoskeleton provides support
D. the golgi processes proteins
E. lysosome: disintegration and recycling
f. flagellum - motion
g. The mitochondrion, which produces energy.
Cell organelles are the collective name for the cellular building blocks. These cell organelles, which are present in the cells and differ in their forms and functions, comprise both membrane-bound organelles and organelles that are not membrane-bound.
For the cell to function normally, they efficiently coordinate and work together. Some of them work by giving shape and support, while others help a cell move and reproduce. The cell has a variety of organelles, which are divided into three groups based on whether or not they have a membrane.
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Please answer I really need help
Answer:
Carbohydrates - monosaccharides
Proteins - amino acids
Nucleic acids - nucleotides
Lipids - fatty acids (hydrocarbon chains)
Explanation:
There are four major biological molecules called biomolecules in nature namely; carbohydrates, proteins, nucleic acids and lipids. These four molecules form the bedrock upon which life is built. The biomolecules mentioned above are POLYMERS formed as a result of the combination of two or more simpler molecules called MONOMERS in a process called CONDENSATION.
The monomer of each polymeric biomolecule is as follows;
Carbohydrates - monosaccharides
Proteins - amino acids
Nucleic acids - nucleotides
Lipids - fatty acids (hydrocarbon chains)
Answer these questions for $15 *if I delete your answer it’s wrong*
1. Using what you know about protein synthesis l, explain the cause of sickle cell anemia.
2. What evidence supports your explanation?
3. What is the relationship between the structure of the red blood cell and it’s function?
4. How does the shape of the red blood cell affect its function in the case of sickle cell anemia?
Answer:
Due to mutation of the HBB gene.
Explanation:
This causes a change in amino acids which are the building blocks of proteins. Therefore the proteins stick together and form a fiber that changes the shape of the red blood cell making them more fragile.
Evidence that supports my explanation
People with Sickle cell anemia cannot contract malaria since they have low surface area for hemoglobin retention.
Relationship between the structure of the red blood cell and it’s function
It has a biconcave shape with a large surface area to increase space for parking hemoglobin.
How the shape of the red blood cell affect its function in the case of sickle cell anemia
In the case of sickle cell anemia, the shape of the red blood cell becomes sickle like thus reducing the surface area for packing of hemoglobin.
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Answer:They can take less baths or do the dishes by hand easy ways to reduce water usage
Explanation:
Raised and broken sections of sidewalk along tree-lined streets is an example of _______________ weathering
Answer:
chemical
Explanation:
Answer:
biological
Explanation:
What features of mature forest species, such as oak trees, make them able to dominate and compete in the ecosystem
They require a long time to become exceptionally tall interminably. They give an overhang to conceal the others and give natural surroundings to many living with widely varied vegetation.
Notwithstanding trees, each progressive local area harbors numerous other living things, with the best variety populating the peak local area. Comparative biological zonings happen among marine widely varied vegetation, reliant upon such environmental variables as a base organization, accessibility of light, and level of saltiness.
Particular logging is a more environmentally maintainable practice than clear-cutting, which involves eliminating all trees simultaneously. The thought behind particular logging is to keep lopsided or all-matured timberland of trees fluctuating in age as well as in size and species also.
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Which of these scenarios would cause a metal wire to conduct a current?
A.
hooking the wire to one terminal of a battery
B.
moving a magnet near the wire
C.
changing the wire's orientation within a gravitational field
D.
looping the wire into a circle
Answer:
hooking wire to one terminal battery
Image of grassland biome
Answer: here you go
Also I like burritos
Some objects are visible because they reflect light. Which of the following is visible because light reflects off of it?
a
b
a campfire
the Sun
a light bulb
the wall
d
Answer:
d) the wall
Explanation:
a,b, and c are sources of light and the wall is a object
A high school football player has received a hard direct blow to the abdomen. Which of the following may indicate internal bleeding?
1. Profuse bleeding from the bowels, deep slow breathing, slow pulse
2. Weak rapid pulse, tenderness, guarding, or pain in the abdomen
3. Deep slow breathing, normal pulse, warm dry skin
4. Warm dry skin, rapid pulse, nausea, deep regular breathing
When a high school football player has received a hard direct blow to the abdomen, the thing which indicates internal bleeding is weak rapid pulse, tenderness, guarding or pain in the abdomen.
Thus, the correct answer is 2.
Internаl аbdominаl injuries from blunt trаumа аre serious injuries thаt occur when the body hits or collides with а lаrge object. These types of injuries аre most common in contаct sports like footbаll, ice hockey, soccer, аnd lаcrosse. The most common Internаl аbdominаl injuries include kidney injury, spleen injury, liver injury, аnd аbdominаl injury. Аbdominаl injury cаn result in injury to the pаncreаs, diаphrаgm, stomаch, gаllblаdder, blаdder, or intestines.
Аn internаl аbdominаl injury cаn cаuse rаpid blood loss. Eаrly indicаtions of аbdominаl trаumа include nаuseа, vomiting, blood in the urine, аnd fever. The injury mаy present with аbdominаl pаin, tenderness, distension, or rigidity to the touch, аnd bowel sounds mаy be diminished or аbsent.
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What gene determines fur color?
A co-dominant red gene (O/o) found on the X chromosome determines whether there is a red variation in cat's coat color. This gene encodes pheomelanin. The dominant O allele encodes an orange tone, while the recessive O allele encodes non-orange pigmentation (black or brown).
A cat with a dominant color (black, red, calico, etc.) needs a parent to indicate the dominant color. Her two parents with recessive colors (cream, blue, etc.) cannot produce offspring with dominant colors (black, red, etc.).
Cats inherit half of their genetic makeup from their mothers and half from their fathers. There are 19 chromosomes each, 38 total, the X and Y chromosomes determine sex.
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Use this sentence: A fault cuts across several layers of rock. Which conclusion can be made?
A. The fault is younger than the layers of rock based on the law of inclusion.
B. The fault is younger than the layers of rock based on the law of crosscutting. C. The fault is older than the layers of rock based on the law of inclusion.
D. The fault is older than the layers of rock based on the law of crosscutting.
Answer:
I think its B
Explanation:
I DK if I'm right bc I'm stuck on the same question
just get one wrong and if you get everything else right, it won't matter at all.
What are the similarities and differences between artificial and natural selection?
Natural selection is influenced by environmental factors that limit survival and reproduction, such as hard habitats or mate competition. Selective breeding is referred to as "artificial selection."
Breeding is a natural process of mating between two species, but selective breeding is an artificial process where people intervene and choose specific organisms to mate.
There are three differences between natural selection and selective breeding:
Artificial selection is influenced by human intervention. Natural selection is governed by the selective pressure of the environment.Artificial selection is the responsibility of breeders. Natural selection has considerably expanded biological variety on Earth.Artificial selection, on the other hand, makes it simpler for the breeder to pass on desired features.Learn more about natural selection Visit: brainly.com/question/23929271
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A plant is an example of a heterotroph.
Explanation:
A heterotroph is an organism that eats other plants or animals for energy and nutrients. The term stems from the Greek words hetero for “other” and trophe for “nourishment.” ... Examples include plants, algae, and some types of bacteria. Heterotrophs are known as consumers because they consume producers or other consumers.
Answer:
true
Explanation:
During the ejection period, _______. During the ejection period, _______. the atria are filling blood is pumped into the pulmonary trunk blood is pumped into the aorta and the pulmonary trunk blood is pumped into the aorta the ventricles are filling Request Answer Part B Cardiac output is _______. Cardiac output is _______. equal to heart rate times (EDV minus ESV) equal to heart rate times stroke volume equal to blood flow equal to blood flow and equal to heart rate times stroke volume All of the above. Request Answer Part C The left side of the heart pumps blood _______. The left side of the heart pumps blood _______. to the lungs through the tricuspid valve and to the lungs through the tricuspid valve through the aortic valve Request Answer Part D What variable(s) can the cardiovascular system alter to maintain blood pressure
Answer:
A. Blood is pumped into the aorta and the pulmonary trunk.
B. All of the above.
C. Through the aortic valve.
D. Resistance, stroke volume and heart rate.
Explanation:
In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.
Generally, the cardiac cycle occurs in two (2) stages;
Diastole : in this stage, the ventricles is relaxed and would be filled with blood.
Systole: at this stage, the muscles contracts and thus, allow blood to be pushed through the atria.
Additionally, the right atrioventricular valve (AV) also referred to as the tricuspid valve is located on the right dorsal side of the human heart. The right atrioventricular valve (AV) comprises of three (3) leaflets (flaps) which opens and closes in order to allow for the flow of blood from the right atrium of the human heart to the right ventricle. Also, the right atrioventricular valve is saddled with the responsibility of preventing blood from flowing backward in the mammalian heart.
In conclusion, the following can be deduced;
A. During the ejection period of the cardiac cycle, the mammalian heart pumps blood into the aorta and the pulmonary trunk.
B. Cardiac output can be defined as the volume of blood that is being pumped by the mammalian heart through the left and right ventricle per unit time (minute).
C. The left side of the mammalian heart in all living organism pumps blood through the aortic valve.
D. The variables the cardiovascular system can alter to maintain blood pressure include the following; resistance, stroke volume and heart rate.
TRNA is used during ____________in the organelle named ______________to form long ______________________chains of _________ _______ which are then sent on to be folded and formed into ______________.
Answer:
1. Translation
2. Ribosome
3. Peptide
4. Amino acids
5. Proteins
Explanation:
tRNA, known as transfer RNA, is a special type of RNA that functions majorly in the translation process where. tRNA reads the codons in the mRNA molecule using its anticodons and carries corresponding amino acids to the growing peptide chain in the ribosome. The amino acids are later used to form proteins.
Based on the above explanation, the answers to the blank spaces in the question are typed in BOLD:
- tRNA is used during TRANSLATION in the organelle named RIBOSOME to form long PEPTIDE chains of AMINO ACIDS which are then sent on to be folded and formed into PROTEINS.
Help this is due in 30 minutes. Could a person with Type A blood safely receive Type O blood? Explain.
Answer:
No help is received in 30 minutes. A person with A type of Blood safely received type O Blood No.
Explanation:
O blood group people in the world is only few left 100 people in blood group O
State one way the two molecules could differ that would explain the difference in their ability to pass through the artificial plant cell membrane.
The two molecules could differ which would explain the difference in their ability to pass through the artificial plant cell membrane because molecule A is smaller than molecule B.
There аre multiple fаcts thаt cаn justify thаt two molecules show the difference in their аbility to pаss through а membrаne:
Size аnd moleculаr weight Receptors on the membrаne аnd the moleculesStructure of the membrаneMembrаne аffinityDifferent molecules hаve different solubility depending upon the type of molecule аnd membrаne. So, the two molecules could differ which would explain the difference in their ability to pass through the artificial plant cell membrane because of the size of the molecules.
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The illustration shows Galápagos tortoises from Albemarle and Abingdon islands. The variations in the features of the tortoise populations on Albemarle and Abingdon islands are examples of __________.
A. adaptations
B. vestigial structures
C. analogous structures
D. molecular similarities
Answer:
A
Explanation:
How do the respiratory and circulatory systems work together essay?
To supply oxygen and remove carbon dioxide, the circulatory and respiratory system works together.
The respiratory system is what aids in breathing in oxygen and breathing out carbon dioxide. The circulatory system is the system that assists in supplying tissues with oxygen from the lungs and in removing carbon dioxide from the tissues by way of the lungs. In this way, both of these processes assist in the supply of oxygen and the removal of carbon dioxide as waste.
The blood that carries waste (CO₂) from the tissue via the heart will first carry the oxygen inhaled to the lungs, where it will be exchanged with the blood. The oxygen will then be sent to the heart, where it will be used to pump oxygen-rich blood to the tissues. Additionally, blood that has lost oxygen will transport waste from the tissue.
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The students recorded the actual sizes of the sun and planets
The students used a solar system model calculator to determine the scaled sizes of the sun and planets and recorded this information in the students worksheet
Copernicus's Heliocentric Model
How did we know the size of the Sun?Copernicus’s Heliocentric Model, This is known as the Heliocentric model where the Sun is placed at the centre of the universe (hence, the Solar System) and the Earth is, like all the other planets, orbiting it.The measurements were taken using the Michelson Doppler Imager (MDI) onboard NASA’s Solar and Heliospheric Observatory (SOHO). They calculated the radius of the Sun to be 696,342 km (432,687 miles) with a margin of error of only 65 km (40 miles).
Late the locations of the planets and stars: the ancient Greek geocentric model proposed by Ptolemy, Copernicus’ complete heliocentric model, and Brahe’s hybrid of these.
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Help me please!
Where does a plant store glucose to make it through the winter?
Answer:
glucose (energy) from the sun they store some of it as a starch. I hope this helps you!
Explanation:
Agricultural practices can lead to water pollution.
Please select the best answer from the choices provided
ОТ
OF
Answer:
True
Explanation:
I finish e2020! good Lucky
how do palientologists classify fossils how does this compare to the way that biologists classify living animals
Scientists may be able to predict which species will become extinct by studying fossils. Fossils can be utilized to reconstruct pedigrees and identify family traits.
Scientists can use fossils to determine the time scale over which traits evolved. Scientists can utilize fossils to learn about the traits of ancient animals. Paleontologists compare the properties of species from different historical eras.
They use this information to try to understand how creatures evolved over millions of years Paleontologists classify fossils using physical characteristics that correspond to the Linnaeus system, and the organism then names the genus and species in Latin. A paleontologist collects as many fossils as possible from a rock or silt.
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What is a contrast to natural selection?
Artificial selection is a contrast to natural selection.
Natural selection is the process by which populations of organisms adapt and change. Individuals within a population are inherently variable. In other words, all individuals are different in some way. This variation means that some individuals have traits that adapt better to their environment than others.
Natural selection is the selection process that occurs as a result of an organism's ability to adapt to its environment. Artificial selection, on the other hand, is selective breeding imposed by an external entity, usually a human, to increase the abundance of desirable traits.
Examples of natural selection include : Selection of long-necked giraffes.
Examples of artificial selection include : Breeding different breeds of dogs and cows to produce the desired breed.
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HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP
Answer:
A
Explanation:
Answer: the first one.
Explanation:
It's generally long lived and harmful to living things.
Hope I helped
Can someone help me
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A population of birds was separated into two groups during a storm one group of birds made it to the tropical rainforest on the mainland while the other group landed on an island with a much drier climate. How might each of these populations of birds change over 1000s generations based on their environment? When reintroduced, brought back together, what will determine if different groups of birds are still one species or two different species?
E) Un nucleótido se forma por la unión de una base ___________________, un azúcar llamada __________________________ y un grupo _______________
Answer:
Un nucleótido se forma por la unión de una base ___nitrogenada___, un azúcar llamada _____ribosa (en ARN) y desoxirribosa (en ADN)____ y un grupo __fosfato__.
Explanation:
La información genética utilizada durante la sintesis proteica es almacenada en secuencias cortas de tres nucleotidos llamadas codones de mARN. Cada codon representa uno de los 20 amino ácidos utilizados para construir las proteinas.
Los nucleóticos son subunidades o monómeros compuestos por una molécula de azucar llamada ribosa (ARN) o desoxirribosa ADN), la que se encuentra unida a un grupo fosfato y a una base nitrogenada. La secuencia de nucleóticos en cadena se denomina polímero (compuesto por mas de dos monómeros). Diferentes nucleotidos unidos por sus extremos componen las cadenas de ADN y ARN.
Las bases nitrogenadas que se utilizan para la sintesis de ADN y ARN pueden ser agrupadas en purinas o pirimidinas.
ADN → Formado por bases → Adenina y Guanina → Purinas
→ Timina y Citosina → Pirimidinas
Adenina siempre se empareja con Timina, mientras que Guanina se empareja con Citosina.
ARN → Formado por bases → Adenina y Guanina → Purinas
→ Uracilo y Citosina → Pirimidinas
Adenina siempre se empareja con Uracilo, mientras que Guanina se empareja con Citosina.
The Lygaeus mode of sex determination is the ________. A. XY/XX scheme B. hermaphroditic scheme C. XX/XO scheme D. scheme based on single translocations in the X chromosome E. XO/YY scheme
The Lygaeus mode of sex determination is the A. XY/XX scheme that is determined by the scheme.
The common mode of sex determination: XX/XY. Although the X chromosome is bigger than the Y chromosome and incorporates over 1300 genes, there have to be the presence of a Y chromosome so as for the male phenotype to be expressed. X chromatin in its inactivated shape is gift as a mass towards the nuclear membrane in girls is referred to as Barr frame because it became first named via way of means of Barr and Bertem (1949). These Barr our bodies are found in 40% of girls who're taken into consideration as chromatin wonderful and absent in men who're taken into consideration as chromatin negative.
Thus, the correct option is A.
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solar energy is increasingly being used to replace fossil fuels to generate electricity.
describe the disadvantages of continuing to use fossil fuels to generate electricity
Answer:
Fossil fuels pollute the environment. Fossil fuels are non-renewable and unsustainable.
Answer:
disadvantages of fossil fuels to generate electricity
1. Fossil fuels are not renewable energy sources
2. Fossil fuels pollute the environment
3. In the case of irresponsible use, they can be dangerous
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