in the diagram below two of the three rays used to find the image position are shown. Which of the following best describes the third (missing) ray?
Answers
Answer:
a
To find the position of the image when an object lies in front of lens, usually three rays are used. One incident ray passes through the focus and would be parallel to the axis after refraction from the lens. Second would just pass through the optical center. Third incident ray would be parallel to the axis and would refract from the lens and pass through the focus on the right hand side. The three rays would be extended in both the directions and we would see where the three rays would intersect. That would be the position of the image.
Explanation:
Related Questions
How does antibiotics stop bacterial cell wall formation?.
Answers
Answer: Glycopeptide antibiotics inhibit the synthesis of cell walls in susceptible microbes by inhibiting peptidoglycan synthesis.
Explanation:
Which organism has the least differences in the number of amino acids in cytochrome c compared to
humans? Which organism has the greatest difference?
Answers
Answer:
Using the number of amino acid differences, it would appear that the two birds are more closely related (had a common ancestor very recently), while the two fungi would have to trace their common ancestry much farther back in time (much more distantly related).
Cholesterol is an important component of the cell membrane because *
A-It makes the membrane less fluid, stabilizing the membrane
B-It aids in diffusion
C-It aids in cell recognition
D-It transports large, polar molecules
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Answer:
Option A... Because cholesterol prevents membrane from freezing and maintain membrane fluidity
MARKING BRAINLIEST!!!
1. During photosynthesis, what happens to the energy in sunlight?
2. Sun energy is converted into ______ energy called ______.
Answers
Variation in carbon chains is an important source of molecular complexity. How can carbon skeletons vary?.
Answers
Answer:Covalent bonds link carbon atoms together in long chains that form the skeletal framework for organic molecules. These carbon skeletons may vary in: ... Compounds with the same molecular formula but with different structures and hence different properties. Isomers are a source of variation among organic molecules.
Explanation:
The carbon skeletons may vary in:
lengthShapeNumber and location of double bondWhat is carbon skeletons?The term carbon skeleton is utilized to depict the example where the carbon iotas are reinforced together in a particle, ignoring molecules of different components and contrasts among single and numerous bonds.
Most substance responses of natural mixtures don't break connections between carbon iotas and thusly leave the carbon skeleton unaltered. In numerous isoprenoids, rings of three, four, or five carbon iotas structure part of the atomic design.
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explain what happens to the mRNA strand if a mutation occurs in the DNA strand
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Answer:
Consequently, once it encounters the mutation, the ribosome will read the mRNA sequence differently, which can result in the production of an entirely different sequence of amino acids in the growing polypeptide chain.
What enzyme is needed to convert testosterone to dihydrotestosterone?.
Answers
Answer:
5-alpha reductase
Explanation:
The 5 alpha-reductase enzyme acts on these target tissues to convert testosterone to DHT. DHT is largely a paracrine hormone because of this isolated synthesis at a particular target tissue. It is mostly produced in the liver, therefore the systemic circulation only contains modest levels of it.
What role of 5-alpha reductase enzyme?The enzyme 5 alpha-reductase converts testosterone to DHT. The need for 5 -reductase differs with different tissues, as demonstrated by the autosomal recessive genetic condition 5 -reductase deficiency.
By acting on certain target tissues, the 5 alpha-reductase enzyme transforms testosterone to DHT. DHT is largely a paracrine hormone due to this isolated synthesis at a specific target tissue. Only trace levels are seen in the systemic circulation because it is primarily synthesized in the liver.
Therefore, 5-alpha reductase enzyme is needed to convert testosterone to dihydrotestosterone.
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Help with the image please? Appreciate it!
Answers
Answer:
the first one is catalytic converter
the second is building and maintaining a safe reactor is very inexpensive
Explanation:
I resarched my answers and they were correct
After you’ve removed a loopful of broth culture from the culture tube, what’s your next step in preparing a smear?.
Answers
Given what we know, after you’ve removed a loopful of broth culture from the culture tube you should immediately apply a flame to the open end of the test tube.
Why would this be the next step?Once you have removed the loopful of broth culture from the tube, you should apply a flame to the end of the tube, this is of vital importance. The reason for this is to deny any other contaminants from entering or exiting the culture sample.
Therefore, we can confirm that after you’ve removed a loopful of broth culture from the culture tube you should immediately apply a flame to the open end of the test tube.
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What did gregor mendel use to discover the principles that rule heredity?.
Answers
Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Mendel tracked the segregation of parental genes and their appearance in the offspring as dominant or recessive traits.
In which stage of the cell cycle does the cell duplicate its dna?.
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How could sedimentary rock become igneous rock? List the steps.
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Answer:
Sedimentary rock can become igneous rock by melting and solidification.
Explanation:
sorry if this doesn't help its the best i can do
Which reagent is used to detect the presence of simple sugars?.
Answers
We have that the the Benedict's reagent is used to detect the presence of simple sugars
MoleculesGenerally the test for sugar is detected by the turn from turquoise to yellow or orange when i contact with carbohydrates
This is the Benedict's reagent
Therefore
The Benedict's reagent is used to detect the presence of simple sugars
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Answer thank u…………………..
Answers
Answer:
130
Explanation:
plz heeeelp
What is aerobic cellular respiration? Explain the term aerobic, describe the overall goals of aerobic respiration, and list the three main parts or cycles in this process.
Answers
Explanation:
It is the process of cellular respiration that takes place in the presence of oxygen gas to produce energy from food. The term aerobic means oxygen. Its goal is to derive energy from macromolecules such as carbohydrates, proteins and fats to carry out various energy-requiring processes.
The three main parts or cycles in this process are Glycolysis, Citric acid cycle and Electron transport chain.
Hope this answer helps you dear!
A scientist is performing an investigation using biochemistry. She compares the protein sequence of an unknown species to the protein sequences of four known species. Her data is shown in the table.
The scientist claims that all living organisms are related by way of common descent. The comparison of which two species BEST supports her claim?
species I and species III
species II and species IV
the unknown species and species IV
the unknown species and species II
Answers
Based on the similarity in protein sequence, the most closely related species are unknown species and species IV.
Which species are related by way of common descent?From the data provided:
Unknown species: ACT GCA CCCSpecies I: ACA GCA CCG Species II: ACT GGT GGASpecies III: ACA GCA GGGSpecies IV: ACT GCA CCGBased on the similarity in protein sequence, the most closely related species are unknown species amd species IV.
Therefore, the most closely related species are unknown species and species IV.
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Answer:
the unknown species and species IV
Explanation:
I took the practice test
When does nature provide the
variation and humans select the
favorable traits and breed
individuals that show those
traits?
A. inherited variation
B. natural selection
C. artificial selection
D. fitness
Answers
Answer:
b i may be wronggg???? but im pretty sure i remeber a il about this
Explanation:
1.) You lie deep in the Earth's crust.
2.) You slowly melt from the heat of the earth's mantle,
3.) You erupt out of a volcano as liquid rock (lava) and harden in the cool
air.
What rock do you change into?
Answers
There are three types of rocks according to how they get formed. Igneous rocks come from the Earth's interior as lava and erupt out of a volcano, getting cold and solidifying when get in touch with air.
Types of rocks
According to how they get formed, we can mention three different main types of rocks,
MetamorphicIgneousSedimentaryIgneous Rocks
These rocks come straight from the interior of the Earth.
A liquid mass of silicate composition coming from the Earth's core erupts out of a volcano as lava.
Since this melted mass comes from the Earth's interior, its temperature is extremely high.
Lava begins to cool and solidify during its ascent to the Earth's surface.
Igneous rocks are produced by the cooling of magma when they get in touch with air.
Thre are two types of igneous rocks
plutonic rocks ⇒ in areas close to the terrestrial crustvolcanic rocks ⇒ on the surfaceYou can learn more about igneous rocks at
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Proteins are polymers made up of how many different amino acids?.
Answers
Answer:
20 Amino Acids.
Explanation:
Amino acids are the monomers that make up proteins. Each amino acid has the same fundamental structure, which consists of a central carbon atom bonded to an amino group (–NH2), a carboxyl group (–COOH), and a hydrogen atom. Every amino acid also has another variable atom or group of atoms bonded to the central carbon atom known as the R group. The R group is the only difference in structure between the 20 amino acids; otherwise, the amino acids are identical.
Explain why an organism with a similar volume but more spherical in shape would not be as efficient as a flatworm at exchanging substances with their environment.
Answers
Answer:
As the ratio gets smaller, it takes longer for items to diffuse.
Explanation:
When the cell increases in size, the volume increases faster than the surface area, because volume is cubed where surface area is squared.
When there is more volume and less surface area, diffusion takes longer and is less effective. This is because there is a greater area that needs to receive the substance being diffused, but less area for that substance to actually enter the cell.
this is actually why cells divide. When they become too large and it takes too long for them to transport materials across the cell, they lose efficiency and divide in half to raise the surface area to volume ratio.
10) In a population of dogs, curly hair is dominant over straight hair. If two parents are heterozygous for this trait, what is the probability that any of their offspring will have straight hair
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The probability would be 1/4 or 25%
Monohybrid crossingAssuming that curly hair is represented by A and straight hair by a.
Crossing two heterozygous parents:
Aa x Aa
AA Aa Aa aa
Offspring:
AA - curly hair
Aa - curly hair
aa - straight hair
Probability of curly hair = 3/4
Probability of straight hair = 1/4
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Cuestions
Explain why you needed to use a water plant for collecting the gas produced in photosynthesis
Answers
the conversion of unusable sunlight energy into usable chemical energy,is associated with the actions of the green pigment chlorophyll. most of the time, the photosynthetic process ises water and releases the oxygen that we absolutely must have to stay alive
Explain the methods of water purification.
Hurry up!!
Answers
Answer:
There are several methods used in the water purification process, which include: (1) physical processes, such as filtration, sedimentation, or distillation; (2) biological processes, such as sand filters, active carbon; (3) chemical processes, such as flocculation, chlorination, the use of ultraviolet light. (Hope this helps:) )
Explanation:
Cell respiration is aerobic because it requires light.
True
False
Answers
Answer:
False
Explanation:
An aerobic activity requires oxygen
directions: identify whether it is biotic or abiotic by writing your answer before the number
1. algae
2. dissolve oxygen
3. amphibian
4. temperature
5. fish
6. changing weather
7. phytoplankton
8. trees
9. birds
10. rain
11. insects
12. fertile soil
Answers
2. Abiotic
3. Biotic
4. Abiotic
5. Biotic
6. Abiotic
7. Biotic
8. Biotic
9. Biotic
10. Abiotic
11. Biotic
12. [could be both]
In order to see if something is Biotic or Abiotic, think about whether it’s alive or not.
Dissolve oxygen is just the oxygen levels in the ocean, it’s not really a living thing. While it does effect the environment, it’s abiotic because it isn’t living. Fish, however, are are biotic because they’re alive.
If you’re ever confused, just think about the basic things all living things have, which is cells, and apply it to the question. Does changing weather have cells? Nope. do trees have cells? Yep!
Also, for the Fertile soil, I said it could be both because of what’s in the soil. Fertile soil has biotic factors in it, like dead animal stuff and dead plant stuff. (Anything that was once living, even if it’s dead, is still considered a biotic by the way). I think your best bet would be to put biotic, but I might be wrong
But yeah, in summary, Biotic means living, Abiotic means non living, and in order to see which is which, ask yourself if whatever you’re questioning has cells. Good luck
In the heart, an action potential originates in the __________.
Answers
Answer:
sinoatrial (SA) node
The main cellular structure that regulates the movement of materials into and out of the cell is the
Answers
What letter represents a trench?
a. A
b. B
c. C
d. D
e. E
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What do organs, tissue, and organ systems have in common?
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Answer:
The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs. For instance, digestive system organs cooperate to process food.
Which statement best explains why multicellular organisms have specialized cells?
O They must undergo cellular respiration to get energy needed to move and grow.
O They must replace dead cells with new ones.
O They must undergo photosynthesis to obtain energy needed for cellular respiration.
O They are made of cells that form tissues and organs that perform specialized functions.
Answers
Answer:
I think your answer would be D.
Explanation:
The tissues are not specialized. The organelles do not cooperate in order to perform the functions of living things. The majority of its cells do not come into contact with the outside world.
Multicellular organisms means the the organisms composed of more than one cells. These cells will differentiate to perform specialized functions.
Why multicellular organisms have specialized cells?According to level of organization, cell combine to form tissue, tissue group together to form organs, organs combine to form organ system and organ system work in coordination to form organism.
In multicellular organisms, each group of cells perform specialized functions.
Thus, option D is correct, i.e., they are made of cells that form tissues and organs that perform specialized function.
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