Answer:
it produces two (2) daughter cells
ᴡʜᴀᴛ ɪs ᴘʜᴏᴛᴏsʏɴᴛʜᴇsɪs??? [tex] \\ [/tex]
Answer: The process by which green plants and some other organisms use sunlight to synthesize from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Which of these is not a function of some membrane proteins A keeping polar molecules out of a cell B receiving messages from other cells C recognizing other types of cells D Catalyzing chemical reactions in the cell
Membrane proteins are those structures that are joint to the membrane of the cell, which allows it to have communication between its inside and its outside, but they have a limited size, and because of that, they keep great polar molecules outside the cell, also receive messages from neighboring cells, and recognize other types of cells, but they are not involved in the catalyzation of chemical reactions in the cells, since their function is mainly allow the movement of molecules from inside to outside or vice versa, and, as we've seen, also the communication between other cells.
So the answer to this question is D. Catalyzing chemical reactions in the cell, what they don't do.
What effects will result in an individual with this karyotype?
Answer: Trisomy 21
Expanation: tTe most common chromosomal anomaly in humans, affecting about 5,000 babies born each year and more than 350,000 people in the United States. Also known as Down syndrome, trisomy 21 is a genetic condition caused by an extra chromosome.
what is food nutrition
Answer:
the study of nutrients in food, how the body uses them, and the relationship between diet, health, and disease
Explanation:
Enzymes speed up reactions by lowering the activation energy of a reaction. This is comparable withA.reducing the force a ball needs to start rolling down a hill B.increasing the height an apple will fall from a tree C.causing a snow storm in the middle of summer when temperatures are hot D.blocking a flowing river with a dam to stop the flow E.All answers are correct
The enzymes activity is mensured to indicate the rate of reaction catalysed by that protein, the action of the enzyme is to decrease the time required for a natural reaction to occur, for example the sucrase breaking down the sucrose, or a lactase for lactose. Therefore, the option with a example that is similar to enzymatic activity is A. reducing the force a ball needs to start rolling down a hill (the force for the start of the movement is comparable with the activation energy of a chemical reaction). The other options present situations opposite to what is expected from the action of a catalyst molecule.
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1. What is an insulating layer around some axons in the brain and what is it made of?
A.oglioglia; neurons
B.astroglia; Schwann cells
C.myelin; Schwann cells
D.myelin; amino acids
Myelin, which is composed of Schwann cells, is an insulating layer that surrounds portions of the brain's axons. A protective covering known as myelin is produced by Schwann cells in the peripheral nervous system.
What does myelin mean?A protective layer or sheath called myelin develops around nerves, including those in the brain and spinal cord. It is composed of fatty and protein components. Electrical impulses may move swiftly and effectively along nerve cells because to its myelin layer.
Schwann cells make myelin in the peripheral nervous system (PNS: nerves) and oligodendrocytes in the central nervous system (CNS: brain and spinal cord). In the PNS, one Schwann cell forms a single myelin sheath
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can you help me with that what is the trna and aa?
The tRNA sequence belongs to the complementary sequence of the mRNA sequence. Although an important conceptual difference is that tRNA goes in separate triplets, while mRNA is a continuos sequence. So, in this case the tRNA will be: UAC - UGA - UCG - ACC - CCC - AUA - AUG - AAA - AUC.
an importa
Which of the following is not characteristic of salt marshes and mangrove swamps?Group of answer choicesBoth are threatened by developmentBoth provide habitats for wildlife.Both are found along coastal areasBoth are dominated by marsh grasses
Difference between salt marshes and mangrove swamps
Salt marshes
> found in coastal areas
> more dominant in temperate regions and colder areas
> dominated by marsh grasses
> sensitive to changes in the coastlines
Mangrove swamps
> found in coastal areas
> more dominant in tropical regions and warmer areas
> dominated by mangrove trees
> sensitive to land conversions of the coastline
ANSWER: Both are dominated by marsh grasses
I need help with this practice problem solving *I will send another picture of my question
answer and explanation
What causes body water to increase during pregnancy?
Are there difference or similarities in the cell division between plant and animal cell?
There are both similarities and differences in the cell division between plants and animals. The process by which an existing cell divides itself into two daughter cells is called mitosis.
Some differences include:
Plants only go through mitosis in their meristematic tissues, but all animal organs go through it, except their reproductive cells.In plants, spindles form without the assistance of centrioles, whereas in animals, centrioles are necessary for the process.In plants, cytokinesis occurs when a cell plate develops inside the parent cell and extends outward until the cell divides. In animals, the cell is split by pinching and cleaving.In plants, the cell plate that expands centrifugally from the inside out is the centre of division. Animals experience centripetal cleavage, which happens from the outside to the inside.Eukaryotic cells, which include both animal and plant cells, share several characteristics. Common organelles including the cell membrane, cell nucleus, mitochondria, endoplasmic reticulum, ribosomes, and Golgi apparatus are among the organelles that share similarities.
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inclination of the ramp vs speed of the toy car
According to the graph, the inclination of the ramp does not affect the speed of the toy car.
What are speed and its unit?Speed refers to the rate of change of position of an object. Speed is measured as the ratio of distance covered by a body to the time in which the distance is covered. Speed is also defined as the rate of distance covered with time. The SI unit of speed is the combination of the basic unit of distance which is the meter and the second basic unit of Time. Thus, the SI unit of speed is meters per second. The formula of speed is
speed = distance time.
Velocity also refers to the speed of the object but in velocity, the object is moving in a specific direction.
According to the graph, there is no effect of the inclination of the ramp on the speed of the toy car but there is a direct effect on the distance of the ramp and the speed of the toy car. We can see in the graph that when we increase the distance of the ramp, the speed of the toy also increases and vice versa.
So we can conclude that there is no effect of the inclination of the ramp over the speed of the toy car.
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elaborate the six universal facts about communication
badly need answer po
Answer:
The six types of communication are oral, interpersonal, nonverbal, written, visual, and listening. Oral includes any spoken speech and interpersonal involves verbal and nonverbal communication.
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Cell division is regulated to prevent unnecessary replication and errors that can occur in the process. When regulation fails, mutations and cancer can result. The G1 checkpoint ensures that conditions are right for division. Evaluate each of these factors. All BUT ONE of them are examined at the G1 checkpoint.
A) nutrient availability
B) DNA is free of mutations
C) chromatids are attached to centromeres
D) evaluation of growth signals
Answer:
chromatids are attached to centromeres.
Explanation:
Answer:
C
Explanation:
chromatids is free of mutation
What do you think would happen to the population of peppered moths once coal use decreased and the trees no longer were covered in soot?
Answer:they would turn back white
Explanation:once the soot is gone, they return to natural colour again due to camouflage
Describe the structure and the function of the endoplasmic reticulum. include information for the two types of endoplasmic reticulum. Use details to support your answer.
Answer and explanation
Endoplasmic reticulum (ER) is a tubulus membrane that is found in the cytoplasm of the Eukaryote. It's structure consists of the nuclear envelope and the pheripheral endoplasmic reticulum.
Endoplasmic reticulum is divided into 1. smooth ER and 2. rough ER
1. Rough ER - has large numbers of ribosomes attached to the outer surfaces of the lamella membranes, this is the area of ribosomes important for protein production, storage and export. The modified proteins move slowly along the inside of the rough ER until they are packed into small vesicles of the endoplasmic reticulum. After packaging, the proteins are moved by elements of the cytoskeleton either to the Golgi apparatus or to the plasma membrane.
2. Smooth ER - Is involved in the synthesis of steroid. On the surface of smooth ER, there are no ribosomes, therefore it does not participate in the formation of proteins. Its function is to contains many enzymes and other proteins, in liver cells, that have the ability to detoxify a wide range of drugs and poisons.
What material is left over in thelarge intestine?A. insoluble fibers, waste, and waterB. the liquefied food full of nutrients to be absorbed into the blood streamC. a ball of food waiting to be broken downD. small pieces of food mixed with enzymes and digestive substances
The goal of the large intestine is to absrob minerals, remaining nutrients, and specially water. So this kind of components must enter the large intestine. Therefore the correct option is A. "Insoluble fibers, waste and water. B./C are not correct, because the food full of nutrientes/ball of food enters the small intestine, before the large one. D. is not correct either, because the food along with enzymes are the products that exit from the stomach.
Which statement describes the offspring cells produced during this process?
Mitosis produce 2 identical daughter cells. Each of these cells have the same number of chromosomes as the parent cell.
The budding yeast cell that is undergoing mitosis have the same number of chromosomes as the parent cell. Meiosis produce daughter cells having half the number of chromosomes of the parent cells.
Answer - Option 2 - They have the same number of chromosomes as the parent cell
The main difference between T cell and B cell response is:Select one:a.B cells attack the pathogen and T cells attack body cells infected with the pathogenb.T cells attack the pathogen and B cells attack body cells infected with the pathogenc.T cells attack any foreign invader and B cells attack specific cellsd.B cells attack any foreign invader and T cells attack specific cells
As we know there are B cells and T cells are part of the immune system, B cells elaborate antibodies meanwhile T cells destroy infected cells: Therefore we can say that the correct answer is a.
How did the Asian carp get to America and why are they a problem? Answer the question completely. Support your arguments with quotes from the text. Explain the how your quotes support your arguments.
Answer:
Asian carp were brought into the United States intentionally by humans to capitalize on the carps dietary preferences.
Explanation:
number 1 in the diagram above is a representation of a/an
If number 1 is the single strand within the nucleus, it is mARN or messenger ARN. mARN has the genetic information needed to make proteins and carries this information from the DNA nucleus of the cell, to the cytoplasm where proteins are made.
The Meselson-Stahl experiment demonstrated that DNA replication is semiconservative. In the figure, semiconservative replication is illustrated byA) AB) BC) A mix of these methods, depending on the cell typeD) C
DNA replication is called semiconservative because, in each copy that is made of the DNA, one of the strands comes from the template. This means that all copies of DNA retain one strand of the original DNA (semiconservative). Therefore, the image that best illustrates DNA replication is A.
What is the purpose of gathering information for your topic?
Group of answer choices
A. A scientist must research to understand the topic before being able to create a scientific hypothesis.
B. It is important to indicate to someone something you have observed in writing.
C. Gathering information would make the results skewed.
D. Creating the graph would help communicate the results efficiently.
Answer:
A. A scientist must research to understand the topic before being able to create a scientific hypothesis.
Which of the following is NOT a function of the circulatory
system?
A. Carrying away wastes from cells to the kidneys for excretion
B. Keeps us hydrated
C. Immune system protection
D. Clotting to prevent blood loss
Answer:
B
Explanation:
immune system protection
13. In order to bond a monosaccharide to an existing chain, what molecule must be removed?
14. If a chain of 5 monosaccharides are to be linked together, how many water molecules must be removed?
15. How does the number of glycosidic linkages compare to the number of water molecules produced?
When two monosaccharides undergo a condensation process with the removal of one molecule of water from the functional groups, a disaccharide—a kind of carbohydrate—is created.
What has to be taken out of some of the monosaccharides before they may be chemically joined?Dehydration synthesis is a chemical process that converts monosaccharide molecules into poly- or disaccharide molecules. The monosaccharide molecules are united to produce the disaccharide or polysaccharide in such a process, which removes the water-containing components.
A glycosidic bond, a sort of condensation process, is formed when two monosaccharides come together. A water molecule is lost when the carbon of one sugar (often the carbon in position 1) interacts with the hydroxyl moiety of another sugar molecule.
When two monosaccharides are combined and a water molecule is eliminated, disaccharides are created.
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Why is *soil erosion* one of the many effects of deforestation?
Deforestation is the main cause of soil erosion. Without plant cover, there will be an occurence of erosion that will sweep the land into rivers. Trees and their roots gives the soil a defense and refuge from the wind and rain. When forest are eradicated, it makes the land exposed and vulnerable of being washed away by elements. Logging exposes soil to rain splash which lossens soil particles. It erodes the soil making a more impermeable bare surface that increase runoff.
In a soil profile, which is the most fertile layer?
Answer
C
Explanation
Topsoil is the most fertile layer of soil, it is rich in microorganisms, humus and minerals.
which form of water has the least energy, but is not the densest form of water?
1. Solid (ice)
2. Salt water
3. Gas (water vapor)
4. Liquid
Robots are sometimes used in which form of telemedicine? A. Telepsychiatry B. Telepathology C. Teleradiology D. Telesurgery
Robotic systems are being already used to carry out some kinds of surgery, in order to make it less invasive and avoid mistakes. So the answer is letter D.
What does not occur as a result of loss of biodiversity? A) Increase in pest populations because of loss of predatorsB) increase in the hole in the ozoneC) impaired soil formationD) less efficient water purification
Let's define what biodiversity is:
Biodiversity if the variety of different species within an ecosystem.
Now let's apply this information to answer our question:
We are trying to find which answer choice would not result in a loss of biodiversity, aka which of the answer choices increases the biodiversity.
0. Increase in pest populations because of loss of predators - this answer choice is ,correct,. We are ,increasing, a population in the ecosystem.
,1. Increase in the hole in the ozone - this answer choice is ,incorrect,. An increase in the hole of the ozone is ,dangerous, - it kills off populations of species living within an ecosystem.
,2. Impaired soil formation - this answer choice is ,incorrect,. If soil formation is incorrect, primary producers wouldn't be able to grow, affecting populations by decreasing them within an ecosystem.
,3. Less efficient water purification - this answer choice is ,incorrect,. If there is not enough water present in an ecosystem, it will cause populations to go down, ,decreasing, the biodiversity.
Therefore, our answer choice is A.