Answer: When we look at cells under the microscope, our usual measurements fail to work. In objectives we use (4X, 10X, 40X and 100X) arm.
At 100x magnification you will be able to see 2mm. At 400x magnification you will be able to see 0.45mm, or 450 microns. At 1000x magnification you will be able to see 0.180mm, or 180 microns.
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Why do ruminants digest their food in 2 steps
Answer:
Due to half way digestion the food matter becomes softer than earlier and the animal can chew it well.
Explanation:
Δ A boy of 12 years does not take bath regularly and does not use a personal towel after shower. Recently dandruff has increased in his head. He is attacked by scabies. He uses an ointment. He has bought it from a street hawker. The boy is suffering from the problem of
Describe 2 limitations of a 3D cell model.
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Answer:
One of the major disadvantages of 3D cultures is that there is a requirement for the separation of single cells from spheroid structures by proteolytic degradation of single layers, which can take several hours or even a few days. There are many 3D methods where the efficiency, lifespan, repeatability, along with the comfort of work are poorer than in the case of 2D systems, which again is a disadvantage.
Explanation:
3D methods have become a lot more prevalent and are used in the area of cancer research, they can also be applied in tissue engineering. Cell culture is a commonly utilized in vitro tool for expanding our understanding of cell biology, tissue shape, disease mechanisms, medication action, protein production, and tissue engineering development. The majority of cancer biology research is based on in vitro experiments with two-dimensional (2D) cell cultures. However, because 2D cultures have numerous limits, 3D is utilised.
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Please help me with this question!
1) a decrease in the amount of groundwater.
how does photosynthesis relate to the formation of dna?
Answer:
During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
Explanation:
There are no nucleus and mitochondria in the red blood cells (RBCs). For this reason, RBCs are able to carry more hemoglobin molecules and deliver oxygen to the right place. Look at the following statements about RBCs: 1. RBCs cannot produce any ATP due to the lack of mitochondria 2. RBCs produce 2 molecules of ATP from 1 molecule of glucose 3. RBCs produce CO2 and water from glucose 4. RBCs produce lactic acid from glucose 5. RBCs produce ethyl alcohol and CO2 from glucose Which of the statement(s) is/are true? A. 2 and 4 B. 1 C. 3 and 5 D. 4 and 5 E. 2, 4 and 5
How to prevent Hepatitis A?
Answer:
A safe and effective vaccine is available to prevent hepatitis A.
Explanation:
Alternatively, Safe water supply, food safety, improved sanitation, hand washing and the hepatitis A vaccine are the most effective ways to combat the disease. Persons at high risk, such as travellers to countries with high levels of infection, MSM and PWIDs can get vaccinated.
It is a liver disiease caused by hepatitis A virus (HAV). It is spread by getting in contact with the infected person or contaminated food or water. So, to prevent it from happening, just stop using infected stuff.
Pls help................................
Answer:
from the lens
Explanation:
it easy gasbbsbsbbsbsbsbbsbsbssbsbssbsbsbbbssbsnns
The radiative zone is the outer shell of the sun from which light energy is radiated.
True
False
Answer:
FalseExplanation:
The Radiative Zone is located just beyond the sun's Inner Core, at a distance of 0.25 to 0.7 solar radii. Photon emission and capture by hydrogen and helium ions cause energy to be radiated in this zone.
OAmalOHopeO
True or False? The final step of manually reconciling a bank statement is comparing deposits noted on the statement against the office's records or receipts by making a check mark next to each correct number.
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The bank statement is defined as the summary of financial transactions in a specific period of time. It allows to check for errors, suspicious activity and is required to apply for the loan.
The given statement is True.
The steps involved in reconciling a bank statement are:
1. Compare the bank deposits, such that the deposits in the bank should match with the bank statements.
2. Adjusting the bank statement such that if any of the data does not match then the bank statements should be adjusted to the correct value.
3. The cash account should be adjusted after correcting the bank statement.
4. Thus, finally the bank deposits and the bank statements should be compared.
Thus, the given statement is true.
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If the gasoline floats on the surface of the puddle, what does that tell you about how its density compares to that of water? Explain your answer.
It tells that gasoline is less dense than water, because according to Archimedes Law states that any body completely or partially submerged in a fluid is acted upon by an upward, or buoyant, force, the magnitude of which is equal to the weight of the fluid, displaced by the object. So, when gasoline is put in water, it floats, it means that the buoyancy force is greater than gasoline's weight. It means that the weight of the same volume of water is more than the weight of the same volume of gasoline. It means that water has more density.
Which water cycle processes usually cause a lowering in the water table? Which processes cause a rise?
Answer:
Explanation:
Lowering: During the summer months, the water table tends to fall, due in part to plants taking up water from the soil surface before it can reach the water table. The water table level is also influenced by human extraction of groundwater using wells; groundwater is pumped out for drinking water and to irrigate farmland.
Rise: Fluctuations in the water table level are caused by changes in precipitation between seasons and years. During late winter and spring, when snow melts and precipitation is high, the water table rises.
The water table typically drops throughout the summer because plants absorb water from the soil's surface before it can get to the water table.
What is Water table?Human groundwater extraction through wells, including pumping out groundwater for drinking water and farmland irrigation, has an impact on the water table level as well.
Variations in precipitation over the course of seasons and years are what create fluctuations in the water table level. The water table rises in the late winter and early spring as snow melts and precipitation levels are high.
The five steps of the nitrogen cycle, which are fixation or volatilization, mineralization, nitrification, immobilization, and denitrification. The fixation process is known as volatilization in this image because soil bacteria convert nitrogen gas (N2) into volatile ammonia (NH3).
Therefore, The water table typically drops throughout the summer because plants absorb water from the soil's surface before it can get to the water table.
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can there be rainbow fish
Answer:
Yes, Rainbow Trout
Explanation:
Answer:
there might be maybe scientist just haven't found them yet
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Explanation:
Pls help this is an assignment!!
What is the length of a human cheek cell under the 100x objective lens of a microscope (aka 1000x magnification)?
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Answer:
When we look at cells under the microscope, our usual measurements fail to work. In objectives we use (4 X, 10 X, 40 X and 100 X) arm.
At 100 x magnification you will see 2 mm. At 400 x magnification you will see 0.45 mm, or 450 microns. At 1000 x magnification you will see 0.180 mm, or 180 microns.
Explanation:
Which statement describes the motion of the sun?
The sun rotates more slowly at its equator.
The sun rotates faster at its equator.
The sun rotates faster at its poles.
The sun does not rotate at its poles.
Answer:
i think the third one because it rotates faster at the equator than it does its poles, but im not sure what you're comparing it to.
Answer:
The sun rotates faster at its poles is the correct answer
Explanation:
Two heterozygous dominant parents for attached earlobes are crossed to predict the traits of their offspring. What is the ratio of attached earlobes to unattached earlobes in their offspring?
A - 3:1
B - 1:3
C - 2:2
D - 4:0
Answer:
A - 3:1
Explanation:
In order to determine what number of offspring will have attached earlobes, we must make a Punnett table. We know that attached earlobes are the dominant gene, and we know unattached earlobes are recessive.
| P | p
——————-
P | PP | Pp |
——————-
p | Pp | pp |
As we can see, only one out of the four squares has two recessive genes. Therefore, our answer would be A - 3:1.
Translate the words into math symbols. The difference of nine and a number is three. What steps would you take to translate the statement? Check all that apply. Replace "difference" with a division sign. Replace "difference" with a subtraction sign. Replace "a number" with the variable n, to represent an unknown value. Replace "is" with an equals sign. The translated equation is 9 ÷ n = 3. The translated equation is 9 – n = 3.
Answer:
Here are the correct answers that you should check.
Replace "difference" with a subtraction sign.
Replace "a number" with the variable n, to represent an unknown value.
Replace "is" with an equals sign.
The translated equation is 9 – n = 3.
Explanation:
Elaborate on how an observation aids in the process of drawing a conclusion in the scientific method
Answer:
Restate: Restate the lab experiment. Describe the assignment.
Explain: Explain the purpose of the lab. ...
Results: Explain your results. ...
Uncertainties: Account for uncertainties and errors. ...
New: Discuss new questions or discoveries that emerged from the experiment.
Explanation:
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"Create a bar graph comparing the particle movement in hot water to that in cold water."
A camel is lost in the desert. It is not finding any food or water. It needs 9000 kilo calorie energy and 4 litre water daily. Its mass is 650 kg and 10% of its mass is fat. It has a water reservoir near its neck with a reserve of 312 litre water. It can live using its fat storage. 1g fat contains 9 kilo calorie energy. How long the camel can survive with it's reserve?
The correct answer to how long the camel can survive with its reserve would be 65 days.
First, let us calculate the total amount of energy derivable from the fat in the body of the animal:
Mass of the camel = 650 kgMass of fat = 10% of the total mass= 10% x 650 = 65 kg
If 1g of fat is equivalent to 9000 kilocalories of energy in the animal, then, 65 kg of fat would be equivalent to:
65 x 1000 x 9000 = 585,000 kilocalories of energyThe total amount of energy is 585,000 kilocalories and the total amount of reserved water is 312 litres:
Amount of energy required per day = 9000 kilocaloriesNumber of days 585,000 kilocalories of energy can serve = 585,000/9000= 65 days
Amount of water needed per day = 4 litresNumber of days 312 litres of water can serve = 312/4= 78 days
The water reserve can last 78 days while the energy reserve can last 65 days. Since the camel needs both to survive, it means the animal can only survive for 65 days.
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Why do the cells have so many different organelles and structures?
What are the main differences between cell walls and cell membranes?
Answer:their function
Explanation:
In 3-5 sentances explain how the rate of photosynthesis or cellular respiration can be measured using products or reactants
what are wavy features found on some sandstones?
Answer:
Stratification which means arranging something, or something that has been arranged, into categories
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Yes, we all know Pluto is no longer an official planet, merely a dwarf, but it still enjoyed full planet status when New Horizons rocketed from Cape Canaveral, Florida, on Jan. 19, 2006. Plutos demotion came just seven months later, a sore subject still for many.Were kind of running the anchor leg with Pluto to finish the relay," Stern says.The sneak peeks of Pluto in recent weeks are getting "juicier and juicier," says Johns Hopkins project scientist Hal Weaver. "The science team is just drooling over these pictures."The Hubble Space Telescope previously captured the best pictures of Pluto. If the pixelated blobs of pictures had been of Earth, though, not even the continents would have been visible.The New Horizons team is turning "a point of light into a planet," Stern says.An image released last week shows a copper-colored Pluto bearing a large, bright spot in the shape of a heart.Scientists expect image resolution to improve dramatically by Tuesday. The 7,767-mile span at closest approach is about the distance between Seattle and Sydney.New Horizons, weighing less than 1,000 pounds including fuel, has seven instruments that will be going full force during the encounter. Its expected to collect 5,000 times as much data, for instance, as Mariner 4.Were going to rewrite the book," Weaver says. "This is itthis is our once-in-a-lifetime opportunity to see it."The team gets one crack at this.Were trying to hit a very small box, relatively speaking," says Mark Holdridge, the encounter mission manager. "Its 60 by 90 miles, and were going 30,000 mph, and were trying to hit that box within a plus or minus 100 seconds."The only planet in our solar system discovered by an American, Pluto actually is a mini solar system unto itself. Plutojust two-thirds the size of our own moonhas big moon Charon thats just over half its size, as well as baby moons Styx, Nix, Hydra, and Kerberos. The names are associated with the underworld in which the mythological god, Pluto, reigned. New Horizons will observe each known moon and keep a lookout for more.Scientists involved in the 700 million effort want to get a good look at Pluto and Charon, and get a handle on their surfaces and chemical composition. They also plan to measure the temperature and pressure in Plutos nitrogen-rich atmosphere and determine how much gas is escaping into space. Temperatures can plunge to nearly minus-400 degrees.Bill McKinnon, a New Horizons team member from Washington University in St. Louis, Missouri, expects to see craters and possible volcanic remnants. A liquid ocean and a rocky core may lie beneath the icy shell.Anybody who thinks that when we go to Pluto, were going to find cold, dead ice balls is in for a rude shock," McKinnon says. "Im really hoping to see a very active and dynamic world."Pluto has tantalized astronomers since its 1930 discovery by Clyde Tombaugh using the Lowell Observatory in Flagstaff, Arizona. Some of Tombaughs ashes are aboard New Horizons. His two children, now in their 70s, plan to be at Johns Hopkins for the encounter.With its tilted, elongated 248-year orbit, Pluto has made it only a third of the way around the Sun since its discovery. The amount of sunlight that reaches Pluto is so dim that at high noon, it looks like twilight here on Earth. The massive surrounding Kuiper Belt, in fact, is called the Twilight Zone. The New Horizons team has its eyes on a few much smaller objects in the Kuiper Belt, and is hoping for a mission extension as the spacecraft continues toward the solar system exit on the heels of NASAs Voyagers 1 and 2 and Pioneers 10 and 11.For now, signals take 4hours to travel one way between New Horizons and flight controllers in Maryland.New Horizonsscience instruments will be cranked up to collect maximum data Tuesday, leaving no time to send back data. In fact, scientists wont be absolutely certain of success until Tuesday night, 13 hours following New Horizonsclosest approach, when it "phones home."It will be Wednesday before the closest of Plutos close-ups are available for release. And it will be well into next yearOctober 2016before all the anticipated data are transmitted to Earth.
What is the significance of this mission? What do you find extraordinary about it?
Answer:
jesus christ can you simplifiy it
Study the image.
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Which statement best describes the rock?
The rock has fine grains.
The grains of the rock are sharp or jagged.
The rock is banded.
The bands of the rock run from the top to the bottom.
Answer:
A. The Rock Has Fine Grains.
Explanation:
Answer:
A.The rock has fine grains.
Explanation:
Read the following summary, which describes a body process. Then, answer the question.
Blood enters the right side of the heart and travels to the lungs. There, the lungs eliminate carbon dioxide and exchange it for more oxygen. The oxygen-rich blood enters the left side of the heart. Then, arteries carry blood away from the heart.
What process is being described?
Circulation
Excretion
Immune response
Respiration
Answer:
A
Explanation:
I took the Exam
The amoeba excretes waste through _________ while a sparrow excretes waste through __________.
Answer:
The amoeba excretes waste through Contractile Vacuole while a sparrow excretes waste through Cloaca.
Explanation:
In some unicellular eukaryotic organisms (e.g., amoeba), cellular wastes, such as ammonia and excess water, are excreted by exocytosis as the contractile vacuoles merge with the cell membrane, expelling wastes into the environment.
Birds, unlike mammals, do not have separate exits for urine and feces. Both waste products are eliminated simultaneously through the cloaca. While mammals excrete nitrogenous wastes mostly in the form of urea, birds convert it to uric acid or guanine, which reduces water loss in comparison.
Which list places the layers of the sun in the correct order from outermost to innermost?
Corona, chromosphere, photosphere
Photosphere, radiative zone, convective zone
Convective, chromosphere, corona
Radiative zone, corona, convective zone
Answer:
photosphere,radiative zone, convective zone (2)
Answer:Photosphere, convective zone, radiative zone
Explanation: i got it rii on the test i promise
True or false? The FLSA classifies employees as exempt or nonexempt from earning overtime pay for hours worked in excess of 50 hours per week.
Answer:
true
Explanation:
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This image shows a model of the rock cycle.
At point R, rocks melt underground to form magma. Which is another process that contributes to the formation of rock at point R?
compacting of sediments on the mountain
cooling as the lava runs down the mountain
weathering of the mountain from the environment
eroding of different rocks at the base of the mountain
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The answer is...
B. Cooling as the lava runs down the mountain.
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