Answer:
not sure
Explanation:
Robert Hooke first observed cork under a microscope in jail so he named the small cubicles cells
False True
It is not true that Robert Hooke was in the jail while discovering cells.
Robert Hooke was observing cork through his microscope and saw tiny cubicles cells or boxlike cavitie which he later named as cells.
What is cell?Cell can be defined as the smallest, functional, basic and structural unit of life.
However, biologists too categorize living organisms into two different groups based on the numbers of cells they posses. These are:
Unicellular organisms: These are organisms which is made up of only one cellMulticellular organisms: These are organisms made up of two or more cellsIn conclusion, it is not true that Robert Hooke was in the jail while discovering cells. Rather, he was observing cork through his microscope and saw tiny cubicles cells or boxlike cavitie which he later named as cells.
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Why do you think the bones of the legs are at particular risk for fractures in rod
write detail note on malaria 2 study
A detailed note on the malaria is discussed below:
What is malaria?A parasite that frequently infects a particular species of mosquito that feeds on people can result in the serious and occasionally fatal disease known as malaria. Malaria often causes severe disease, including high fevers, shivering chills, and flu-like symptoms. Humans can contract four different types of malaria parasites: Falciparum Plasmodium, P.
Female Anopheles mosquitoes carrying the Plasmodium parasite bite people to feed their own eggs, which is how the parasite is propagated. An infected mosquito injects sporozoites, or early stages of the parasite, into the host's bloodstream while it consumes its prey (often between twilight and sunrise). The sporozoites are transported by the blood to the liver, where they develop into schizonts, which are a type of parasite. Each schizont multiplies into thousands of merozoites throughout the course of the following one to two weeks. The merozoites escape the liver and re-enter the bloodstream where they assault red blood cells, continue to grow and divide, and eventually kill the blood cells.
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Why does diversity increase as height above land increases
Biodiversity rises with altitude initially before falling with height beyond that. Up until it reaches a diversity peak at about 1 300 to 1 800 m.
The biodiversity increases at higher geographical locations because There are more hiding locations. They are better for crop growth. They frequently include more than one kind of habitat.As latitude or altitude change, so does biodiversity. As we descend from high to low elevations, the diversity increases (i.e., from poles to equator). While the environment is harsh and plants have a brief growing season in the temperate region, tropical rain forests provide year-round growth-friendly circumstances. This enables the emergence and expansion of several species. On a mountain, there is an initial increase in species diversity after which there is a decline in species variety as you go up in elevation. At higher elevations, temperature drops and seasonal variations increase, which significantly diminishes.learn more about biodiversity here: https://brainly.com/question/26110061
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possiblity of breaking the branch increase when a person goes to the tip of the branch
Answer:
True
Explanation:
This answer is true because i know it is true and it is common sense so the answer I present is science
1. What observations made in the 1600s and 1700s led some people to believe that there was a
"vital force" in the air?.
Microscopical observations show the presence of simple in structure, abundant, and pervasive microorganisms. Researchers at the time came to the conclusion that there was a life force in the air.
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All cells contain a nucleus
true
false
[tex]\huge\sf{ANSWER}[/tex]
All cells contain a nucleus
FalseExplanation is in the pic
Hope it helps
Answer:
True.Explanation:
Why true?For me i say its true because :
All cells have three common organelles namely Cell membrane,cytoplasm and nucleus.which part of the microscope reflects light
[tex]\huge\color{Basic}{\boxed{\tt{answer}}}[/tex]
which part of the microscope reflects light?THE ANSWER IS MIRRORSWhy mirrors? bcs mirrors are sometimes used in lieu of a built-in light. If your microscope has a mirror, it is used to reflect light from an external light source up through the bottom of the stage. Nosepiece: This circular structure is where the different objective lenses are screwed in.Have a great day^^correct me if I’m wrong
which animal has a better chance of survival, fox or leopard?
Answer:
fox is th right answer
Explanation:
fox
Answer: leopard
Explanation:
Pretend you’re a researcher in charge of conducting new research on the flu virus. Identify four scientific questions you’d like to answer through your research
What organism is responsible for the flu?
How the flu virus enters the person's body?
What is the effect of this virus on person's health?
When the flu occurs to the person?
What is the need of scientific questions?The above are the four scientific questions that a researcher needs to prevent this flu from infecting people. With the help of these questions, the researcher know about the organism that caused this disease, entry of the virus and effect on the body.
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Which cells are present during chronic inflammation?
The cells which are present during chronic inflammation include:
LymphocytesMacrophagesPlasma cells.What is Inflammation?This is referred to a process in which the white blood cells enter affected parts and protect the body from foreign agents.
The cells listed work together to ensure that the body isn't invaded by these micro-organisms.
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three main factors that affect stroke volume and how each impacts cardiac output if that factor is increased?
The three main factors that affect stroke volume are contractility, preload and afterload.
Increase in contractility and preload increases cardiac output whereas increase in afterload decreases cardiac output.
What is stroke volume?Stroke volume refers to the volume of blood that is pumped by the heart through each stroke.
The three factors that affect stroke volume and how it impacts cardiac output when increased is given below:
contractility - an increase in contractility of the heart increases the cardiac outputPreload - an increase in preload increases cardiac outputafterload - an increase in afterload decreases cardiac outputTherefore, the three main factors that affect stroke volume are contractility, preload and afterload.
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Which is an example of summarizing and reevaluating?
An example of summarizing and reevaluating can be seen in Increasing monitoring of the pati
What is a Summary?
This refers to the concise representation of the main points in a text in an objective manner.
Hence, we can see that after the summary has been done, to make a re-evaluation is important to see if there are missed details, and from the complete text, there is the list of items and the best answer is option D which is Increasing monitoring of the pati.
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Which layer of the dermis houses the nerve endings that are sensitive to touch and pressure?.
Answer:
Reticular layer
Explanation:
Robert Hooke first observed cork under a microscope in jail so he named the small cubicles cells
False True
Answer:
False
Explanation:
The statement is false. Though "Robert Hooke" was the first person to observe cork under microscope. He named the small cubicles cells because it used to remind him of the cells in the monastery (a place for monks).
Answer:
False
Explanation:
RobERT Hooke observed the cork first and names the particles as cells .
But he did that in Monastery not jailHence the statement is false
Which of the following is the best definition of an unsaturated fatty acid? 8 A. A basic unit of a lipid that consists of single and double carbon-to- carbon bonds B. A compound that carries hereditary information C. An insoluble compound made up of glycerol and three fatty acids D. A basic unit of a lipid that consists of only single carbon-to-carbon bonds
Why was the BIOS framework relocated to flash memory from a complementary metal-oxide-semiconductor (CMOS) in later development?
Answer:
Answer is D
Explanation:
Flash memory provides stability to the
BIOS framework and makes update
installation much easier than with CMOS.
Because these two transistors are complementary to one another, a circuit created by combining them is referred to as a complementary MOS circuit, or CMOS circuit for short. Thus, option D is correct.
What is complementary metal-oxide-semiconductor (CMOS)?The majority of modern integrated circuits, commonly referred to as chips or microchips, employ a complementary metal-oxide semiconductor (CMOS) as their semiconductor technology.
Metal-oxide semiconductor field-effect transistor technology is the foundation for CMOS transistors.
Several analog circuits, including image sensors (CMOS sensors), data converters, and highly integrated transceivers for various forms of communication, also use CMOS technology.
Therefore, BIOS framework relocated to flash memory from a complementary metal-oxide-semiconductor (CMOS) in later development.
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how many nanometers is the best resolution achieved with using a light microscope?
The best resolution that can be achieved with light microscopes is; 200nm
What is the resolution of the microscope?The light microscope is also called optical microscope and it is a type of microscope that primarily uses visible light and a system of lenses to produce magnified images of smaller objects.
The best resolution that can be achieved with light microscopes is about 0.2 microns or 200nm because the maximum useful magnification it can provide is approximately 1,000x.
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Electroporation is a technique used for __________
Electroporation is a technique used for inserting DNA into cells
What is Electroporation?Electroporation is a physical transfection method that uses an electrical pulse to create temporary pores in cell membranes through which substances like nucleic acids can pass into cells.
Electroporation is highly efficient for the introduction of foreign genes into tissue culture cells, especially mammalian cells.
Hence, electroporation is a technique used for inserting DNA into cells
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In a scientific investigation, the term “quantitative data” refers to numbers that are usually followed by
units.
graphs.
written descriptions.
photos of measurement.
Quantitative data in scientific investigations are numbers usually followed by units. The first option is the correct one.
What are quantitative data?In relation to scientific investigation, quantitative data are attributes that are measurable or quantifiable. Thus, they can be assigned numerical values.
Because of the measurability, variables within quantitative data usually have units attached to them.
For example, height is measured in meters, feet, centimeters, etc.
Quantitative data is opposed to qualitative data because the latter cannot be assigned a numerical value.
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Answer:
A. units.
Explanation:
i got it right
The stage of the cell cycle during which the cytoplasm divides to form two cells is called.
Answer:
Cytokinesis
Explanation:
Cytokinesis is the step of the cell cycle in which the cell must faithfully separate the chromosomes and cytoplasm, yielding two daughter cells.
why does dna move through an agarose gel
DNA move through an agarose gel because DNA molecules are negatively charged due to the presence of phosphate groups in their sugar-phosphate backbone which make them to move toward the positive charge in the agarose gel.
What is DNA?Deoxyribonucleic acid or DNA is a protein molecule that us found in the nucleus of a cells which carry the genetic components or content of the cell and are transfer from parent to tye offspring.
Therefore, DNA move through an agarose gel because DNA molecules are negatively charged due to the presence of phosphate groups in their sugar-phosphate backbone which make them to move toward the positive charge in the agarose gel.
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Since each myofibril is attached at either end of the muscle fiber, when sarcomeres shorten, the muscle fiber.
Each myofibril is attached at either end of the muscle fiber, when sarcomeres shorten, the muscle fiber Shortens
Mechanism :
Myofibrils are components of the animal skeletal muscles that are made up of sacromeres. They perform the muscular contraction and relaxation via the sliding filament model.
To produce motion, A cross-bridge forms between actin and the myosin heads triggering shortening of the sacromere. This shortening of the sacromere results in the contraction of the muscle fibers, which the net effect can be seen to be a shortening of the fibers.
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Research has demonstrated that people will help in-group members because __________.
Research has demonstrated that people will help in-group members because they have feelings of empathy.
What is empathy?Empathy is an emotion that helps people to understand the situation in which another person lives.
Empathy also helps to develop healthy groups and communities and it is an evolutionary feature.
In conclusion, research has demonstrated that people will help in-group members because they have feelings of empathy.
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Looking at the graph (photo attached), what is the independent and dependent variable?
Answer:
independent: food
dependent: mass grain
Explanation:
Which statement best explains why cooperation between countries is necessary to prevent a tragedy of the commons?
Since there are so many common areas, sharing between countries should be easier.
If one country overuses a common resource, it depletes the common resource for all.
Common areas are divided among only a few countries, and little access is given to the rest.
Too many countries have access to common areas, and this prevents them from sharing.
The statement which best explains why cooperation between countries is necessary to prevent a tragedy of the commons is that If one country overuses a common resource, it depletes the common resource for all and is denoted as option B.
What is Tragedy of the commons?This is referred to as a situation in which the resources are available to the people and they are overused due to the ease of access to them.
Cooperation between countries will help to curb a country overusing a common resource which will lead to the depletion of the common resource for all.
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what does the immune system do to fight off malaria?
Answer:
The body raises the temperature of the body to create an unlivable area for the parasite.
Explanation:
difine jack screw
please help me
Answer:
A few basic components comprise a jackscrew. The main piece is the screw itself. The screw may be connected to a plate of some kind housing a load or attached to another piece of machinery that is then moved.
Answer:
a screw that can be turned to adjust the position of an object into which it fits.
a vehicle jack worked by a screw device.
Explanation:
hope this help you
The arteries a. serve as rapid-transit passageways from the heart to the organs because of their large radii b. act as a blood reservoir because they have the capacity to store large volumes of blood with little change in their internal pressure c. are the major sites of blood flow resistance in the vasculature d. are the site of exchange between the blood and surrounding tissues e. none of these
The arteries act as rapid-transit passageways from the heart to the organs because of their large radii. The correct option is A.
Functions of the arteriesThe arteries are blood vessels that carry blood away from the heart to the cells, tissues, and organs that are in need of oxygen.
They have large radii and as such, serve rapid-transit passageways from the heart to the various cells, tissues, and organs.
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A car with a mass of 1,324 kilograms, traveling at a speed of 20 meters/second, crashes into a wall and stops. What is the kinetic energy after this perfectly inelastic collision?
The kinetic energy of a car with a mass of 1,324 kilograms, traveling at a speed of 20 meters seconds is 264800J.
How to calculate kinetic energy?The kinetic energy of a moving car can be calculated using the following formula:
K.E = ½ × m × v²
Where;
K.E = kinetic energym = mass v = velocityK.E = ½ × 1324 × 20²
K.E = 264800J
Therefore, the kinetic energy of a car with a mass of 1,324 kilograms, traveling at a speed of 20 meters seconds is 264800J.
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