If eyepiece of a microscope has a power of 10 X in the objective lens is 45X what is the total magnification
Answers
Answer:
100
Explanation:
info
Related Questions
Do you think making energy conservation
a social competition was successful in
motivations people to reduce how much
energy they were using?
Why or why not?
Answers
If the energy conservation is made a matter of social competition, it would make more people to be aware of the issues that surround energy conservation.
What is energy conservation?We know that energy conservation is a topic that has become a very hot issue and a hot discourse among several energy stake holders in the society. It is important that energy should be conserved because of the fact that the generation of energy requires a lot input of natural resources.
It has become much more important that the conversation about energy conservation should be made a subject that would come into discussion in the public domain. This is because, the discussion would be able to reengineer the way that people approach the matter of energy.
The discussion on the matter of energy is aimed to sensitize the generality of the population regarding the importance of energy and its impact on the society.
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How are cells affected by diabetes?
Answers
noooooooooooooooooooooooooooooooooooo
Explanation:
what is the broadest category used to classify life forms
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The broadest category used to classify life forms is called a domain. A domain is a taxonomic category that is higher than a kingdom and represents the three primary branches of life on Earth. The three domains are Archaea, Bacteria, and Eukarya.
The Archaea domain includes single-celled organisms that are known for their ability to survive in extreme environments such as hot springs, salt lakes, and deep-sea vents. They are also important in decomposing organic matter and producing methane.
The Bacteria domain also includes single-celled organisms, which are the most abundant and diverse form of life on Earth. Bacteria play vital roles in the environment, such as breaking down dead organic matter, and some are used in biotechnology and food production.
The Eukarya domain includes all organisms with complex, membrane-bound cells that contain a nucleus. This domain is further divided into four kingdoms: Animalia, Plantae, Fungi, and Protista. The Animalia kingdom includes multicellular organisms that consume food, while the Plantae kingdom includes multicellular organisms that produce their food through photosynthesis. The Fungi kingdom includes organisms such as mushrooms and molds, which break down organic matter, while the Protista kingdom includes single-celled organisms that do not fit into any of the other kingdoms.
In conclusion, the broadest category used to classify life forms is a domain, and there are three domains: Archaea, Bacteria, and Eukarya. Each domain represents a major branch of life on Earth, and they are further divided into kingdoms based on shared characteristics.
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one heart-health effect of monounsaturated fatty acids is to
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Monounsaturated fatty acids are fatty acids that contain one unsaturated carbon molecule in its structure.
One heart-health effect of monounsaturated fatty acids is that they protect the heart from heart diseases.
Monounsaturated fatty acids are very good for the human body. Some of the foods where you can get monounsaturated fatty acids are: Avocados, nuts, olive oil, canola oil. Some of the health benefits of fatty acids are:a) Monounsaturated fatty acids aids in weight loss.
b) Monounsaturated fatty acids are healthy fats such that it helps in the prevention of heart diseases that cause the clogging of the arteries by lowering the levels of bad cholesterol in the body.
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what makes a cell responsive to a particular hormone?
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The presence of a receptor for that particular hormone
What is a geographic barrier?
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a naturally occurring development or body of water that divides and detaches one area from others.
Plants need three things for photosynthesis to occur: water, carbon dioxide and sunlight. How do those things enter a plant? Water, along with important minerals, enters a plant from the soil where the plant's roots act like straws "drinking" it up. Carbon dioxide enters a plant from the atmosphere, and it comes in through the leaves. More specifically, carbon dioxide enters a plant through tiny pores or openings on leaves called stomata. Sunlight, obviously, comes from the sun. But how does it enter the plant to be converted into chemical energy that the plant can use? Well, green plants are green because of a pigment called chlorophyll. That pigment inside of plant cells absorbs the sun's energy, making it possible for photosynthesis to occur.
Based on the passage, if human cells had a lot of chlorophyll, they would most likely
A
not need to drink water.
B
be green.
C
breathe carbon dioxide.
D
have leaves.
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which are examples of how farmers can prevent topsoil erosion?
check all that apply:
a. Pound the into clay using an earth compaction
b. Carve steep hillsides into flat steps
c. Plow the topsoil often
d. Always have crops growing
Answers
Examples of how farmers can prevent topsoil erosion include the following:
a. Pound the into clay using an earth compaction.
b. Carve steep hillsides into flat steps.
What is Topsoil erosion?This is defined as the process in which the uppermost layer of the soil is moved and transported to other areas through agents such as wind or water.
Topsoil erosion is common in areas with a steep slope and the process of plowing also increases the risks because it deals with loosening if the soil thereby making it easier for wind or water to carry it. This is therefore the reason why option C and D was chosen.
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Answer:
B and D are the answers!!
Explanation:
I just got it right on quiz, I hope this helped!!!!
I WILL MARK BRAINLIEST) What is a definition and analogy for genotype and phenotype
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Answer:
Another analogy that works well to help students understand the relationship of genotype (genetic coding) to phenotype (expression of coding) is to compare a computer to a computer program or a Nintendo machine to a Nintendo game cartridge. ... The game program represents the genotype.
Amylose is a form of starch made up of α glucose monomers that are bound by 1– 4 linkages.
Describe how the molecule would be affected if the subcomponents were joined by 1–6 linkages instead.
Explain how this might affect the function of the resulting molecule.
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Answer: Carbohydrates usually function as energy storage or structural materials, and are composed of monosaccharides (simple sugars). All monosaccharides have three carbon atoms with a carbonyl group attached to one of the carbons, and hydroxyl groups attached to the remaining two. Monosaccharides are the primary fuel for metabolic processes, so we need the monosaccharides in carbohydrates to fuel our metabolic processes, making it an important part of our diet. If the subcomponents were joined by 1-6 linkages instead of 1-4 linkages, it wouldn't be called amylose, it would change to glycogen, making it less soluble.
If the subcomponents of amylose were joined by 1-6 linkages instead of 1-4 linkages, the resulting molecule would have a branched structure instead of a linear one.
Amylose is a type of polysaccharide that is found in starch. It is made up of alpha glucose monomers that are joined together by alpha-1,4 glycosidic bonds.
If subcomponents were joined by 1-6 linkage if will result into a branched molecule named as Glycogen.
-The branched structure would make it easier for enzymes to break down the molecule, which could affect how quickly it is digested and how it is used for energy.
Therefore, the change in the linkage would result in a different structure and function of the molecule (glycogen) making it less soluble .
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The
of the cell directs cell activity and acts like the control center.
SESE
Answers
The nucleus intructs cells to do their activities
Answer:
The set of genes on these chromosomes is called the nuclear genome. The function of the nucleus is to maintain the integrity of these genes and to control cellular activities by regulating gene expression. That is why the nucleus is said to be the control center of the cell.
Explanation:
I hope I've helped
Match each term with its definition Terms 1. Law of conservation of energy 2. Law of conservation of mass 3. Raymond Lindeman 4. Trophic level Definitionsa. energy cannot be created nor destroyedb. a biologist who studied ecosystem ecologyc. matter cannot be created nor destroyedd. a position in a food chain, a food web, or an ecological pyramid that is occupied by a group of organisms
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1. The law of conservation of energy states that energy cannot be created nor destroyed. Therefore, the correct answer is A.
2. The law of conservation of mass states that matter cannot be created nor destroyed. Therefore, the correct answer is C.
3. Raymond Lindeman is consideres the founder of ecosystem ecology. Therefore, the correct answer is B.
4. Trophic level is a position in a food chain, a food web, or an ecological pyramid that is occupied by a group of organisms. Therefore, the correct answer is D.
Answer #7 and will mark brainliest
Answers
Answer:Maybe because of the ice cores themselves because they held the carbon for so long
Explanation:
The three types of cones in the retina are differentiated from one another by what feature? A. The absorption peak of their photopsin
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The three types of cones in the retina are differentiated from one another by the feature of the absorption peak of their photopsin.
Photopsin is a photoreceptor protein found in the cones of the retina, whereas iodopsin is a photoreceptor protein called in the cone cells of the retina, which is the basis of color vision.
Cones, like rods, have visual pigments that are a mixture of retinal and opsins. Cone opsins are known as photopsins. Cones, unlike rods, are classified into three types, each sensitive to a distinct wavelength range and trying to reflect the special characteristics of photopsin to which the retinal is bonded.
The rods detect differences in the brightness of an object in dim light such as moonlight, while the cones, which contain photopsins, differentiate the colors of an object in bright light such as sunlight.
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what substance would expect to find along the intestines, to prevent these pathogens form getting into our blood?
Answers
Numerous germs are fatally affected by low pH as in intestines, which prevents these bacteria from entering our blood.
What are some instances of pathogens?Pathogens are organisms that infect the body and can harm health. They include viruses, bacteria, fungus, and parasites. The pathogens that cause significant diseases include, among many others, anthrax, HIV, the Epstein-Barr virus, as well as the Zika virus.
Why do pathogens exist?Pathogens can spread through minute droplets in the air by coughing or sneezing. Other people may breathe in the bacteria that are present in these droplets. When an individual eats contaminated food or water, microorganisms can also enter the body directly through the gut. Disease can also be transferred through bug bites.
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yoar until full yesting is reached at the end of the 7th yoar. True Falsec
Answers
The statement "Yoar until full yesting is reached at the end of the 7th yoar" is false because it contains multiple errors.
Firstly, the word "yoar" is likely a misspelling of the word "year." Secondly, the phrase "until full yesting is reached" is unclear and doesn't convey a meaningful idea. Additionally, the repetition of the word "yoar" at the end of the statement appears to be another typographical error.
Overall, the statement lacks coherence and logical consistency, making it impossible to identify a specific reason for its falsehood. It is important to ensure clear and accurate communication to convey accurate information and avoid confusion or misunderstanding or multiple errors.
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Liên kết hóa học giữa các nguyên tử trong phân tử nước là? *
Answers
Answer: Liên kết cộng hoá trị phân cực.
Explanation: Nguyên tử oxi có độ âm điện lớn hơn nhiều so với nguyên tử hidro, và hiệu độ âm điện trong phân tử H2O = XO-XH = 1,24 ⇒ Liên kết cộng hóa trị phân cực
why are there no chloroplasts contained within the cells of the onion, even though they are plant cells?
Answers
There are no chloroplasts contained within the cells of the onion, even though they are plant cells because energy is stored in the onion fruiting body (bulb) rather than through photosynthesis.
A specialized organelle that is not found in animals is present in plants. Chlorophyll, a pigmented chemical, is found in these chloroplasts. This makes photosynthesis in plants easier and gives plants their typical green color.
Because the onion grows underground, the bulb does not contain chloroplasts. These organelles are not required if chloroplasts are not going to be exposed to sunlight because they are used to make sugar in the presence of sunlight. Instead, the onion begins its growth with energy reserves before producing a stem. The only chloroplasts in the plant are found in this greenery.
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. If a parent cell has 56 chromosomes, how many chromosomes will the daughter cells have after mitosis
Answers
Answer:
They should have 30 Chromosomes at the end of mitosis.
Explanation:
question 40 24) as a result of the transfer of an electron from a less electronegative atom to a more electronegative atom, a) the more electronegative atom is reduced, and energy is released. b) the more electronegative atom is reduced, and energy is consumed. c) the more electronegative atom is oxidized, and energy is consumed. d) the more electronegative atom is oxidized, and energy is released.
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d) the more electronegative atom is oxidized, and energy is released.
In a transfer of an electron from a less electronegative atom to a more electronegative atom, the more electronegative atom gains an electron and is reduced. At the same time, the less electronegative atom loses an electron and is oxidized. This transfer of electrons is known as an oxidation-reduction (redox) reaction.
During the process, energy is typically released. This energy can be in the form of heat, light, or other forms of energy depending on the specific reaction. The release of energy is due to the change in the electron configuration and the stabilization of the resulting ions or molecules.
Which statement best compares the biochemical processes of photosynthesis and cellular
respiration?
A
Photosynthesis is the process of trapping the energy of the sun and storing
it in glucose. Cellular respiration is the process of releasing the energy
stored in the chemical bonds of glucose.
O
B
Photosynthesis is the process of trapping the energy of glucose. Cellular
respiration is the process of releasing the energy stored in the bonds of the
cell.
С
Photosynthesis is the bacterial process of creating energy while cellular
respiration is the eukaryotic process of releasing energy.
D
Photosynthesis is the plant process of releasing and utilizing energy while
cellular respiration is the animal process of releasing and utilizing energy.
Answers
Answer:
Hello There!!
Explanation:
The answer is=>A.Photosynthesis is the process of trapping the energy of the sun and storing it in glucose. Cellular respiration is the process of releasing the energy stored in the chemical bonds of glucose.
hope this helps,have a great day!!
~Pinky~
is it ever ok to use a serological pipette to dispense more liquid than its maximum calibrated volume? why or why not?
Answers
is it ever ok to use a serological pipette to dispense more liquid than its maximum calibrated volume is no, it is not ok to use a serological pipette to dispense more liquid than its maximum calibrated volume.
A serological pipette is a useful laboratory instrument for transferring milliliter volumes of liquids. Serological pipettes are designed in a variety of reusable shapes and materials and are used at calibration temperature.
Use of a serological pipette to dispense more fluid should not exceed the calibration volume This is because the accuracy and precision of the pipette is only guaranteed within its calibrated range. Dispensing more liquid than the maximum calibrated volume can result in inaccurate and imprecise measurements, which can affect the results of an experiment or procedure. Additionally, overfilling a pipette can cause the liquid to be drawn into the pipette's barrel, which can damage the pipette and make it unusable. Therefore, it is important to always use a pipette within its calibrated range to ensure accurate and precise measurements.
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Which structure fuses to form a diploid zygote during sexual reproduction?
Plato!!!
Answers
Answer:
Male and female gametes fuse together to form a diploid zygote during sexual reproduction.
hope it help
The red sizing bead in this image is 10um in diameter. What is the length of a chloroplast? a20um b100um c2um d1um e10um
Answers
The length of the chloroplast in the image is 100um.
In the attached image we can observe a red circle known as a red sizing bead over the chloroplast. Given that the size of the bead is 10um in diameter, we can conclude that the width of the chloroplast falls in the range of about 30um. By observing that the length is much greater than the width, we know it must be at least higher than 30, and it would seem to be approximately three times as much. With this information, we can conclude that of the options given, the chloroplast would be 100um in length.
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If a hypothesis is not testable, is the hypothesis wrong?
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what characterizes repolarization, the second phase of the action potential?
Answers
Answer:
Explanation:
What characterizes repolarization, the second phase of action potential? Once the membrane depolarizes to a peak value of +30 mV, it repolarizes to its negative resting value of -70mV.
The membrane repolarizes to its negative resting value of -70 mV after depolarizing to a peak value of +30 mV.
What is membrane?Membrane is defined as the thin layer that serves as a living cell's or an internal cell compartment's outer edge. All cells contain a membrane that divides the interior from the external environment. This membrane is known as the cell membrane or the plasma membrane. A lipid bilayer that is semipermeable makes up the cell membrane.
A step of an action potential known as repolarization occurs when the cell experiences a drop in voltage as a result of the outflow of potassium (K+) ions along its electrochemical gradient. This stage follows the cell's greatest depolarization-induced voltage.
Thus, the membrane repolarizes to its negative resting value of -70 mV after depolarizing to a peak value of +30 mV.
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calculate the medullary index of a hair whose diameter is 110 microns wide and whose medulla measures 58 microns. is this human or animal hair? explain your answer show all calculations
Answers
The medullary index of this hair is approximately 0.527. It is not possible to determine if this is human or animal hair based solely on the medullary index.
To calculate the medullary index of a hair, you would divide the diameter of the medulla by the diameter of the hair.
In this case, the diameter of the hair is 110 microns and the diameter of the medulla is 58 microns. The medullary index would then be:
58 ÷ 110 = 0.527
So the medullary index of this hair is approximately 0.527.
Other physical characteristics of the hair, such as the shape and texture of the cuticle and cortex, as well as microscopic examination of the hair shaft, would need to be analyzed to determine the species of origin.
It is also worth noting that the medullary index is one of many factors used in hair analysis to determine the species of origin and it is not the only factor used to make such determinations.
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(WILL GIVE BRAINLIST) Rabbits are very popular domesticated animals, so popular that there are over 300 breeds of domesticated rabbits in the world. You attend a rabbit show and notice that all of the breeds vary in many characteristics, such as size, color, and fur length. You notice that there is weight information on the cages of all rabbit individuals at the show and decide to jot down data for two specific rabbit breeds (in pounds):
Breed A: 10, 8, 7, 10, 9, 9, 10, 9
Breed B: 10, 12, 14, 13, 10, 15, 11, 12
In three to five sentences, 1) calculate the average weights of the two rabbit breed groups, 2) describe some factors that could contribute to the different weights seen within breeds, and 3) describe how you would track and find the growth rate of the two rabbit breeds during an investigation.
Answers
The average weights for A is 9 pounds and the average weight for B = 12,125 pounds. factors that can influence are parental genotype.
1) Average weightsBreed A: 10, 8, 7, 10, 9, 9, 10, 9
Average: (10 + 8 + 7 + 10 + 9 + 9 + 10 + 9) / 8 = 72 / 8 = 9 pounds.
Breed B: 10, 12, 14, 13, 10, 15, 11, 12
Average: (10 + 12 + 14 + 13 + 10 + 15 + 11 + 12) / 8 = 97 / 8 = 12.125 pounds.
2) Influencing factorsThe main factors that influence the distribution of a species are mainly related to the dispersal capacity, behavior (habitat selection), the presence of other species and physicochemical factors.
3)Track the grownth rateTo track the growth rate, we could consider both genetic factors and non-genetic factors.
Non-genetic factors refer to parental conditions prior to mating and external environmental factors.
Genetic factors are related to the genotypes of the parents. Progeny inherit alleles from their parents, and combinations of alleles determine the size and weight of individuals.
With this information, we can conclude that the average weight for A is 9 pounds and the average weight for B = 12,125 pounds. Factors that can influence are parental genotype, female size, number of births, feeding, competition, Genetic and non-genetic factors.
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Mucous secretions in the respiratory tract inhibit microbial infections. These secretions are produced by which of the following tissue types found in the lungs?
A) smooth muscle
B) epithelial
C) nervous
D) connective
Answers
Mucous secretions are produced by epithelial tissues found in the lungs.
B is the correct answer.
The first line of defence against the onslaught of irritants brought into the lungs by the 500 L of air that are inhaled per hour is mucus secretion. The airway epithelium may become harmed by breathed soot, dust, bacteria, and gases. Mucus secretion consequently happens very quickly, in just a few milliseconds.
The gel-forming mucin MUC6 is secreted by glands in the stomach and duodenum. In contrast to the stomach and colon, just one form of surface mucus, once again made of MUC2, is present in the small intestine. This mucus is loose and simple to take out. The goblet cells secrete mucus, which normally consists of several key components. The mucus' gel-like qualities are a result of one of these, mucins.
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Which is erosion taking place on the river diagram: A or B? (idk which subject to pick :/)
Answers
Answer: I think A!
Explanation: Because of the waters force, it would be wearing down on A, because of the way this river is shaped :) please let me know if this helps! Have a great night and good luck!