1) What did you notice about the letter e when you increased in magnification from the 4x to the 10x and then to the 40x:
a) Did the size (magnification) increase or decrease?
b) Could you see more of the entire letter or less?
(Subject science)
Answers
Answer:
a) The size(magnification) increased.
b) I could see more of the entire letter.
The size of the magnification was increasing and there was less of the letter visible.
What is magnification?
The action of magnifying something is called magnification. Magnification also refers to enlarging the apparent size and not the actual physical size. This is done for the better observation of something not visible by the unaided eye. This enlargement is quantifiable which means it can be measured.
The magnification of an object when related to its actual size is an important discussion in the study of magnification.
Magnification is simply the act of enlarging an object visually by the utilization of lenses. In this process, the object is not becoming larger physically but only appearing to become larger. Also, this concept is derived from two forms.
The first is by the use of a microscope, which makes small objects appear large and the second is by the use of a telescope, which makes a distant object appear closer and the images are viewed more clearly and more defined.
Therefore, The size of the magnification was increasing and there was less of the letter visible.
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Related Questions
What advantage does having a myelin sheath produced by Schwann cells have for the impulse?
Answers
Answer:
Spontaneous repair of peripheral nerves is made possible by Schwann cells, which surround the nerve fibers with an insulating layer, myelin. This fatty layer protects the nerves and increases the speed of transmission of nerve impulses.
Explanation:
Schwann cells are small elements that are created in order to form a layer around the axon of the nerves of the peripheral system. These cells surround the axon by an extensive layer of myelin that is discontinued by the presence of Ranvier's node. Myelin is a single cell organelle, a modified extension of the plasma membrane of the Schwann cell in the peripheral nerve. Its elaboration depends on the regulated expression of a set of genes in the myelinating glia, for which the Schwann cells require axonal contact, as well as to maintain the expression of these genes. Myelin acts as an electrical insulator that facilitates the conduction of the nerve impulse, it helps when the axons must regenerate, that is, when there is some injury or disease that prevents cell transmission. The goal is to help the nerve regenerate and grow again to reach the target tissues. Once the nerve is repaired, the cell regains its ability to produce myelin to cover the nerve with the insulating layer and allow the correct transmission of nerve impulses.
What happens to the number of chromosomes for species that go through sexual reproduction?
Answers
Answer:
In the first stage of sexual reproduction, "meiosis", "the number of chromosomes is reduced from a diploid number (2n) to a haploid number (n)" . During "fertilisation", haploid gametes come together to form a diploid zygote, and the original number of chromosomes is restored.
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Explain what would happen if a plant did NOT have xylem.
Answers
Xylem transports water and minerals in plants from roots up to the stem, to the leaves. If Xylem is removed from a plant, the plant will not be able to transport water to leaves, hindering various processes like photosynthesis, transpiration, growth etc. The plant will initially wilt and then ultimately die.
What are the various functions of proteins embedded in the cell membrane?
Answers
Answer:
Proteins embedded within the phospholipid bilayer carry out the specific functions of the plasma membrane, including selective transport of molecules and cell-cell recognition.
Explanation:
The movement of molecules into the cell through transport proteins in the cell membrane is a type of what
Answers
Answer:
diffusion
Explanation:
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if you study the interactions between cheetahs and the thomson's gazelles they prey upon, you would primarily be doing ecology.
Answers
if you study the interactions between cheetahs and the thomson's gazelles they prey upon, you would primarily be doing ecology.
community
What is ecology?
A subfield of research called ecology includes the fields of human science, population, community, ecosystem, and biosphere. Ecology is the study of organisms, the environment, and the interactions between the organisms and their surroundings. Numerous levels, including organism, population, community, biosphere, and ecosystem are researched.
The main objective of an ecologist is to increase their understanding of the life processes, habitats, interactions, and biodiversity of species.
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1.
All living things are composed of cells.
Which action is not accomplished by repeated cell
division?
A.
a plant developing new leaves
B.
a broken bone growing back together
C.
a plant using sunlight to make its own foods
food
D.
an eight-pound baby growing into a 100-pound
teenager

Answers
Answer:
C
Explanation:
Everything else has to do with growth but C is talking about food/energy.
A plant using sunlight to make its own foods is accomplished by repeated cell division.
What do you mean by cell division?Cell division is the process by which a parent cell divides into two daughter cells. Cell division usually occurs as part of a larger cell cycle in which the cell grows and replicates its chromosome before dividing.
There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life.
In eukaryotic cells, or cells with a nucleus, the stages of the cell cycle are divided into two major phases: interphase and the mitotic (M) phase.
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Which component is missing from the process of cellular respiration?
________ + Oxygen → Carbon Dioxide + Water + Energy
Answers
Answer:
The answer is glucose
Explanation:
Glucose + Oxygen -> Carbon dioxide +Water + Energy
if you think about it it is just photosynthesis backwards
Help me pls! In your own words, explain how the information carried by mRNA is used in the ribosome to form proteins. Be sure to include the following words and phrases: nitrogenous base, amino acid, codon, polypeptide.
Answers
Answer:
the messenger RNA (mRNA) is decoded in a ribosome, outside the nucleus, to produce a specific amino acid chain, or polypeptide. The polypeptide later folds into an active protein and performs its functions in the cell
Explanation:
The information carried by mRNA is used in the ribosome to form proteins in the following way:
Messenger RNA is nothing more than a copy of the instructions contained in the gene, it is responsible for copying and carrying the exact sequence of amino acids (called a polypeptide) from DNA to the ribosomes.
In other words, the amino acid sequence of a protein comes from information stored in the base sequence of nucleic acids, specifically in the mRNA sequence.
This information written in a four-letter language, the nitrogenous bases (A, G, C, T), must be translated into a language that is based on 20 amino acids, known as the genetic code.The sequence of bases of the messenger RNA is the one that determines the amino acid sequence, and the one used, therefore, for the description of the code.The molecules in charge of transporting the amino acids to the ribosome and of recognizing the codons of the messenger RNA during the translation process are the transferring RNAs.Therefore, we can conclude that mRNA carries the exact amino acid sequence of DNA to ribosomes, where instructions are followed and protein synthesis proceeds.
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The Co2 you breath out comes out of which process?
Answers
Answer:
cell respiration
Explanation:
The carbon dioxide breathed out is a by-product of the process of cell respiration, as is water. In this process, energy is produced in the mitochondria of cells.
in the study described in the passage, the injection of adrenaline is acting in a manner most analagous to:
Answers
In the study described in the passage, the injection of adrenaline is acting in a manner most analagous to Unconditioned stimuli.
What is conditioned and unconditioned stimulus?Unconditioned stimulus are those for which the individual has not undergone conditioning; they cause a certain response to emerge organically. An unconditioned stimulus is one that elicits an intuitive response. In Pavlov's experiment, the meal functioned as the unconditioned stimulus. A reflexive response to a stimuli is referred to as an unconditioned response. In Pavlov's experiment, the dogs' unconditioned response was their salivation for food.Despite the fact that the individuals have not been trained to respond in such way, an adrenaline injection encourages a response. When combined with an unconditioned stimulus, a conditioned stimulus—which by definition does not ordinarily elicit a response—can gradually train people to react similarly.Learn more about the Unconditioned stimulus with the help of the given link:
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kreuz pc, steinwachs mr, erggelet c, et al. results after microfracture of full-thickness chondral defects in different compartments in the knee. osteoarthr cartil. 2006;14:1119–1125.
Answers
Microfracture is a minimally invasive procedure that effectively treats minor cartilage abnormalities in the near term. The ICRS-score is the most telling indicator of a decline in outcomes that begins 18 months following surgery. Young individuals with femoral condyle abnormalities had the highest prognostic odds.
How does microfracture work?
Because of their great efficacy, low cost, and short operating times when compared to other surgical methods, microfractures are frequently used as the first surgical option for the treatment of osteochondral lesions. Despite the patellofemoral compartment being the second most prevalent compartment for such lesions, the results of microfractures for retropatellar chondral abnormalities are mediocre when compared to other compartments of the knee. The patella's mobility, which is particularly noticeable when the patient's knee is extended, as is the situation in this kind of surgery, is one of the main causes of the inferiority.
Manual pressure has historically been used to overcome this hurdle, but this method is unreliable and prone to technical issues like skiving of the awl and restricted operating perspective, as well as consequences like fractures. This Technical Note describes a novel internal stabilization technique we call "house-on-stilts" that involves several Kirschner wire fixations into the patella and femur to immobilize the patella. This method supports both the debridement step before microfracturing without adding to operating costs or time.
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2. Curly hair is recessive (s), and straight hair is dominant (S). A woman with curly hair (ss) marries a man who is a true breeder for straight hair (SS). What percentage of their children will have curly hair, and what percentage of them will have straight hair?
% Curly-
% Straight-
Answers
Straight 100% or
Curly 25% and straight 75%
Straight-50
How are resources allocated?
Answers
Answer:
In economics, resource allocation is the assignment of available resources to various uses. In the context of an entire economy, resources can be allocated by various means, such as markets, or planning.
Explanation:
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Which of the following statements is true?
A) Mitosis and meiosis have the same number of cellular divisions.
B) Mitosis is used for growth and repair of body cells.
C) Mitosis makes more cells than meiosis.
D) Mitosis makes more variety than meiosis.
Answers
Answer:
B
Explanation:
Mitosis has 1 meisosis has 2
Meiosis makes more cells than mitosis
Mitosis makes exact copies meisosis makes gentically differnt
Can you please help me
Answers
Answer:
i see this was posted 3 days ago, do you still need help with this question?
Explanation:
algor mortis is the gradual cooling of the body after death until it reaches the temperature of the air around it.
Answers
it is true that algor mortis is the gradual cooling of the body after death until it reaches the temperature of the air around it.
What is algor mortis?The gradual cooling of the body after death until it reaches the temperature of the surrounding air is known as algor mortis.
For forensic autopsies, the cause of death is frequently self harm or homicide, rather than disease or other natural causes.
Fresh, early decomposition, advanced decomposition, skeletonization, and extreme decomposition are the five stages of decomposition.
The early decomposition phase is marked by skin slippage and hair loss.
Thus, the given statement is true.
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PLEASE HELP GUYS!!Scientists think an "RNA world" existed on Earth long before DNA evolved.
Why do scientists think that RNA is a likely candidate to have been the first
genetic material?
O A. Some RNA can catalyze reactions.
OB. RNA is less complex than DNA.
OC. The Miller-Urey experiment yielded RNA but no DNA.
OD. Fossilized organisms containing RNA predate those containing
DNA.
Answers
Answer:
(D)
Explanation:
RNA has great capability as a genetic molecule; it once had to carry on hereditary processes on its own. It now seems certain that RNA was the first molecule of heredity, so it evolved all the essential methods for storing and expressing genetic information before DNA came onto the scene.
Answer:
Its B
Explanation:
A cell begins to produce a new type of protein. This is most likely due to an alteration of the 1 point structure of the cell membrane sequence of bases in a section of a chromosome chemical makeup of the cytoplasm shape of the antibodies produced by the nucleus
Answers
Answer:
The correct answer is - sequence of bases in a section of a chromosome
Explanation:
Protein synthesis is possible due to the nitrogenous base sequence of DNA molecules that acts as the template for the synthesis of the RNA molecule which moves to the cytoplasm and produces the Protein molecules from the sequence of mRNA that codes for specific amino acids according to the triplet codes.
So, the DNA or chromosomes are responsible for the synthesis of specific protein production and if there is any change in the sequence of bases in the DNA section it will lead to a new type of protein.
Many soil-dwelling bacteria produce molecules that can be naturally synthesized and kill other species of bacteria. What are these bacteria-killing molecules called?.
Answers
The correct answer is antibiotics. Antibiotics are the bacteria-killing molecules that Many soil-dwelling bacteria produce.
Antibiotics are potent medicines that fight certain infections and, when used correctly, can save lives. They either prevent bacteria from reproducing or kill them. White blood cells (WBCs) attack harmful bacteria, and even if symptoms appear, the immune system is usually able to cope with and fight off the infection. However, there are times when the number of harmful bacteria is excessive, and the immune system is unable to combat them all. Antibiotics come in handy in this situation. Penicillin was the first antibiotic. Penicillin-based antibiotics, such as ampicillin, amoxicillin, and penicillin G, are still available and have been used for a long time to treat a variety of infections.
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i need help with csi wildelife bruh
Answers
Answer:
The region where the tusks were seized is roughly the same distance from three national parks: Garamba National Park, Bomu Wildlife Reserve, and Okapi Wildlife Reserve. Are these tusks from the elephants that were killed in Garamba National Park or did they come from one of the other parks?
You will use DNA analysis to see if the DNA extracted from the tusks found in the truck matches any of the DNA isolated from the dead Garamba Park elephants.
Explanation:
A man who is homzygous for Blood Type A has a child with a woman who is heterozygous for Blood Type B. What is the likelihood that their child will have Blood Type AB?
0%
25%
50%
75%
Answers
Answer:
75%
Explanation:
Describe the impact of cutting down OR burning large areas of forest on the recycling of Carbon
Answers
Answer:
When forests are cut down, a large portion of the stored carbon is released back into the atmosphere as CO2. Deforestation and forest degradation contribute to global warming in this way.
Explanation:
When forests are cut down, burned, or otherwise removed, they emit carbon rather than absorb it. Deforestation and forest degradation account for approximately 15% of total greenhouse gas emissions. These greenhouse gas emissions contribute to rising temperatures, shifting weather and water patterns, and an increase in the frequency of extreme weather events.Climate change can have an impact on forest creatures by altering their habitats and decreasing the availability of food and water. Some will be able to adapt by shifting to higher elevations or latitudes, but species loss is possible.
Trapped oil can be discovered by geologists and extracted through __________.
Multiple choice question.
cross out
A)
mining
cross out
B)
drilling
cross out
C)
excavating
cross out
D)
climbing
Answers
Answer:
I think it is c
Explanation:
How do sand particles compare to other types of soil particles? A. They are warmer. B. They are smaller. C. They are wetter. D. They are larger.
Answers
Answer:
A
Explanation:
Name the phase of mitosis
Answers
Answer:
its either telophase or metaphase. i think its closer to telophase though since it has the cleavage furrow.
Explanation:
If the weather map below shows today's forecast, how is the weather in
the two cities pictured most likely going to change in the next 24 hours?
Answers
Is there supposed to be a picture or something? Oh and HI BABEYDOLL
Ok that was weird- Imao
themeli, m. et al. generation of tumor-targeted human t lymphocytes from induced pluripotent stem cells for cancer therapy. nat. biotechnol.31, 928–933 (2013)
Answers
In adoptive T-cellular therapy for cancer and infectious diseases is hampered by way of the shortage of effectively to be had, antigen-particular, human T lymphocytes.
Pluripotent stem cells should provide an infinite source of T lymphocytes, but the therapeutic potential of human pluripotent stem cellular-derived lymphoid cells generated so far remains uncertain. right here we combine triggered pluripotent stem mobile and chimeric antigen receptor technologies to generate human T lymphocytes cells focused, an antigen expressed by means of malignant B cells, in tissue subculture.
T lymphocyte cells potently inhibit tumor increase in a xenograft model. This method of generating healing human T cells in the dish may be useful for cancer immunotherapy and other scientific packages.
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If 5% of a DNA sample is made up of thymine, C, what percentage of the sample is made up of cytosine, A?
Answers
Answer:
95%
Explanation:
Why do concentration gradients exist?
A.To differentiate the organelles from the molecules.
B. To contrast between the high and low concentration of molecules.
C. For cells to reach exocytosis
D. For molecules to undergo facilitated diffusion.
Answers
B. To contrast between the high and low concentration of molecules.
for example a solution with a higher solute concentration than the inside of the cell is called hypertonic