which part of the cell theory changed between 1838 and 1855?

Answers

Answer 1

Answer:

Omnis cellula e cellula was added to the cell theory in 1855 by Rudolf Virchow, basically the translates to the theory that cells only come from other cells.

Explanation:

Theodor Schwann came up with the cell theory in 1839, that cells are the basic unit of life and that all living organisms are made up of cells.


Related Questions

describe how wind forms ocean waves in deep water and how these waves change as they develop in 6 sentences
PLEASE HELP

Answers

Wind-driven waves are created by friction between wind and surface water. When wind blows across the surface of an ocean the continual disturbance creates a wave crest. These waves can be created through local winds or distant winds. The waves can be affected by wind speed and wind duration. The faster the wind and the longer it blows, the bigger the waves. It also can depend on how far the wind blows uninterrupted.

I hope this helps :)
Wind forms ocean waves by creating friction between the wind and surface water. This creates a rising crest that forms into a wave. As the wind continues to blow, the waves also continue. Depending on the location, the waves change. For example, when deep water waves move to shallower waters, they change into breaking waves. As the wave travels into deeper waters, it slows down and the wavelength decreases.

In order to accomplish changing a cell's DNA, there are 5 steps that need to be completed. These steps are NOT listed in order. Choose the correct order below.

1) Locate the area of the plasmid that you want to transfer the gene and cut it with the proper restriction enzyme.

2) Insert the gene being transferred.

3) Locate the gene that needs to be transferred.

4) Insert the plasmid in the bacterium and incubate it.

5) Cut out the gene with the proper restriction enzyme.



A. 4,2,1,5,3
B. 3,5,1,2,4
C. 5,2,4,3,1
D. 3,5,1,4,2

Answers

Answer:

It would be C

The answer is C because the answer is C

Secondary Succession occurs in which of the following situations?

SELECT ALL THAT APPLY

Answers

The answer is a and b
The correct answers would be : after logging and after farming. The reason being is primary would be after a flood and fire because it would have to start over completely as to secondary which is kinda like a scrape healing. Instead primary is kind of like having a lung transplant. I hope this helps!

Condensation is part of the water cycle and also plays a role in the weather. Which of the following illustrates condensation?

A. Water turning from a vapor into rain droplets
B. Water turning into water vapor in an ocean or lake
C. Water turning from a liquid into ice on a winter road
D. Water turning from ice to liquid as salt is applied to a road

Answers

Answer:

Water turning from a vapor into rain droplets.

A. Water turning into water vapor into rain droplets.



Explanation: condensation is the conversion of a vapor or a gas to a liquid. so the answer is most likely A.




Hope this helps!

What are the thin fibers of the human nervous system called?


tendons

nerves


spinal cord


ligaments

Answers

Answer:

nerves

Explanation:

please mark me as brainnest

Answer:

B. nerves.

Explanation:

These fibers emanate from the brain and the spinal cord and branch to every part of the body.

All the children and grandchildren are coming to Mrs. Chalmers’ house for a big Thanksgiving dinner, and she wants everything to be perfect. Describe what type of stress Mrs. Chalmers probably feels. Explain one or more techniques she can use to manage that stress.
------
ok, so this is relitivly simple, let me break this down. She is either feeling
distess-bad
eustress-good
and then pick maybe 2 ways she can help her eustress/distress I dont know what one it is

Answers

Answer:

Physical exercise and nutrition are two important components in how you respond to stress. When your body is healthy, your mind can be healthy and vice versa. Physical exercise is proven to be a great stress reliever and also helps to improve your overall quality of life.

Explanation:

1) Why would/should Canadians worry about the supply and use of clean drinking water?


2) Some people believe that one way to solve pollution is to flush poisonous chemicals down the drain. What would you say to those people?

Answers

Answer:

Why would Canadians worry about the supply and use of clean drinking water?There are many negative effects of pouring chemicals down the drain, both short-term and long-term.

what is the arrow pointing to? i need urgent help!

Answers

Answer:

the arrow looks like it is pointing to a round sort of face shape. It may also be pointing to an ancient drawing from the 1800s

Explanation:

Answer:

interphase

Explanation:

Mitosis consists of specific phases that occur in a specific order. (PMAT!)

Prophase is the first phase of mitosis where chromosomes condense and become visible.  

Metaphase involves chromosomes moving to the center of the cell.  

Anaphase is where the chromosomes are equally pulled to either side of the cell.  

Telophase is where the chromosomes bunch up at either end of the cell and begin to unravel into their previous state.  

Cytokinesis then occurs where the whole cell divides between the newly forming nuclei.

hope this helped :)

Explain why a food web is a better illustration of an ecosystem than a food chain

Answers

Answer:

In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain. Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems.

Explanation:

Food webs are more complex than food chains. Food webs show multiple organisms that predators eat while food chains don’t. If you need me to explain more I will! Hope I helped :)

Science
A meteorologist analyzes data to develop weather forecasts. Which weather-based data would be most helpful for a meteorologist to track in order to most accurately predict changes in weather?

A. levels of precipitation and types of clouds
B. temperature and moisture levels of moving air masses
C. number of recent thunderstorms and tornadoes sighted in an area
D. density of air and humidity levels

Answers

The answer is a, levels of precipitation and types of clouds

A meteorologist analyzes data to develop weather forecasts. Levels of precipitation and types of clouds is weather-based data would be most helpful for a meteorologist to track in order to most accurately predict changes in weather. Thus, option A is correct.

What is weather forecasting?

Weather forecasting is defined as the whether's prediction with help of application which based on the principle of physics, and supplied with various statistical and empirical technology and techniques.A meteorologist analyzes data to develop weather forecasts. Levels of precipitation and types of clouds is weather-based data would be most helpful for a meteorologist to track in order to most accurately predict changes in weather.

Metrologist is known as scientist who plays a vital role in the development of systems that help to measure objects. Metrology defined as the branch of science deals with study of measurement, including both theoretical as well as experimental at certain level of unfixed things in any field related to technology and science.

Therefore, Levels of precipitation and types of clouds is weather-based data would be most helpful for a meteorologist to track in order to most accurately predict changes in weather. Thus, option A is correct.

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A city is concerned about global warming and smog. It wants to reduce the impact of its use of fossil fuels. Explain how the city could use technology to reduce fossil-fuel use by changing (a) its transportation, (b) its buildings, and (c) services for city residents.

Answers

Answer:

I think its a

Explanation:

cars and stuff use fossil fuels, therefore changing transportation may reduce its fossil fuel usage.

In the first box there 3 answer choices (when I say box I meant the space in the pic)
1st box) 2nd box) 3rd box)
a) direction a) shape a) precipitate
b) time b) temperature b) precipitation
c) gas c) size c) clouds

Answers

Answer:

a) direction a) shape a) precipitate

a) direction a) shape a) precipitate

What effect does altitude have on climate?
Altitude creates less density, and cooling of air causing water vapor to precipitate.
Altitude means less density and warming of air and adding water vapor to increase.
Altitude increases the windspeed of air masses and water vapor content.
Altitude creates more humidity and clouds.

Answers

The answer is The first option
The answer is altitude creates less density, and cooling of air causing water vapor to precipitate. Whenever you go to a high altitude (mostly occurs during mountain climbing), you can feel the air getting colder as you go up, so the answer is option 1.

Can I have brainliest?

An object that is accelerating can be described as aln) force.
A gravity
B. unbalanced
C. balanced
D. physical

Answers

Answer:

unbalanced

Explanation:

the forces are unbalanced when motion changes. since it is accelerating, the force pushing the object is greater than the forces acting against it

B it is unbalanced because if the object is accelerating then it is changing

Which system delivers oxygen and nutrients to all the cells of your body?
circulatory system
nervous system
digestive system
respiratory system

Answers

Answer:

circulatory system

the circulatory system since blood transfers oxygen and nutrients around the body

What damage has the burmese python done in Miami?

Answers

Answer:

These snakes caused serious damage to Miami. This snake affected the population of certain species of animals to decline by a large amount. This snake is also considered a high level predator. Thanks to groups brave hunters and experts each day, some of the pythons are put back where they belong. Good news for us!

__________________________________________________________

Questions?

Ask me in the comments box.

They took over the Florida Everglades and affected the population of many other species in Florida by their fast increasing population

Please help me with this

Answers

I’ll say the answer from the top left till the bottom right.
1 Predation
2 Predator
The middle is competition while the last are mutualism and parasitism
If I knew the answer I would love to help

How do each of these nutrients impact the body?
Carbohydrates:
Fats:
Proteins:
Vitamins:
Minerals:
Water:

Answers

Answer:

Carbohydrates : provide the fuel you use as energy for physical activity, brain function and organ function .

• Fats : Body fats have a cushioning effect on organs and tissues . Body fats act as a shock absorbers for bones .

• Proteins : supports many bodily systems , including cell growth , immune function , metabolism and hormone production .

• Vitamins : they help shore up bones . heal wounds , and bolster your immune system .

• Minerals : Ferrying oxygen throughout the body .

• Water : Helps maintain the balance of body fluids .

Explanation:

hope this helps

Answer:

carbohydrates

Explanation:

Can you think of a way a rock unit with an older fossil could be above a rock until with a younger fossil? Describe the scenario.

Answers

Answer:

probably thrust faulting, Thrust faults arise when rocks are squeezed, which is most often caused by plate tectonic forces. Older stratum is ripped apart and piled on top of newer rocks by thrust faults.

Explanation:

Do you think science and medicine will ever be able to discover a cure for Zika? Explain.
6 or 7 sentences

Answers

There is no treatment available for Zika virus infection or its associated diseases.
Symptoms of Zika virus infection are usually mild. People with symptoms such as fever, rash, or arthralgia should get plenty of rest, drink fluids, and treat pain and fever with common medicines. If symptoms worsen, they should seek medical care and advice.
Pregnant women living in areas with Zika transmission or who develop symptoms of Zika virus infection should seek medical attention for laboratory testing and other clinical care.

Explanation: Infection with the Zika virus or the disorders it causes has no therapy. People who have symptoms like fever, rash, or arthralgia should relax and consume plenty of fluids. Pregnant women who live in Zika-infected areas should seek medical help for testing and other clinical treatment.

What are the parts of the plant?

Answers

roots stem leaves flower fruits and seeds
Roots , stems , leaves, flowers,fruits , and seeds

In which image below is the most work being wasted as heat?
4 ramps
A. Image A
B. Image B
C. Image C
D. Image D

Answers

In which imágenes below is the most sorna being wasted as heat
B

[tex]\qquad\qquad\huge\underline{{\sf Answer}}♨[/tex]

Work done will be least where inclined plane has least steepness, so it will be easier to climb on the plane with less steepness, and therefore less work being wasted.

And to climb on the inclined plane, friction is needed as well.

So, our correct choice is :

Image C

as the earths orbits around the sun the direction of the tilt of its axis changes'

Answers

Earth’s tilted axis cause the seasons. Throughout the year, different parts of the earth receive the suns most direct rays .
As Earth orbits the Sun, its tilted axis always points in the same direction.

In one to two sentences, explain how the shorelines can affect weather.

Answers

Answer:Coasts are sensitive to sea level rise, changes in the frequency and intensity of storms, increases in precipitation, and warmer ocean temperatures.

The ocean warms and cools more slowly than the atmosphere, thus coastal or shorelines weather tends to be more moderate than continental weather, with fewer hot and cold extremes.

What is shorelines?

The shoreline refers to the place where a large body of water, such as ocean, lake, or river, meets the land. Evaporation from the ocean, especially in the tropics, creates most rain clouds, influencing the location of wet and dry zones on land.

The shoreline or coastal zone often experiences a unique weather which results into a very special climate. Coastal meteorology is the study of meteorological phenomena within about 100 km inland or offshore of a shorelines or coastline.

Thus, from above, it is explained how the shorelines can affect weather.

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What causes air to move towards the water from the land during the night?
Gravity moves the air towards the water because water is lower than the land.
The ground cools faster at night than the water which retains its heat warming the air above at.
The dry air over the land is heavier than the air over the water that contains more water vapor.
The ground retains the heat from the Sun longer than the water.

Answers

Answer:

C The ground cools faster at night than the water which retains its heat warming the air above at.

Explanation:

In simple words a land breeze is the flow of wind from the land towards the sea. During the night time, the land cools down quickly as compared to the day because there is no sun to heat surrounding air and the sea surface.

The ground cools faster at night than the water which retains its heat warming the air above at

Which body systems is the MOST important? Explain why?

Answers

Answer:

While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body. The human nervous system is responsible for coordinating every movement and action your body makes. More importantly, it controls every function inside the human body as well.

Explanation:

Cardiovascular or the nervous system

How are cold, dry air masses formed?
over water in polar regions
over water in tropical zones
over land in polar regions
over land in tropical areas

Answers

Cold masses form over Polar regions
Cold masses form over land in polar regions

(I WILL GIVE BRAINLIEST) Match these items.

1. gathers sound
middle ear
2. hammer, anvil, stirrup
cochlea
3. cavern-like bone with tiny hairs and fluid
eardrum
4. membrane
outer ear
5. make greater
amplify

Answers

Answer:

middle ear- hammer, anvil, stirrup

cochlea- cavern-like bone with tiny hairs and fluid

eardrum- membrane

outer ear- gathers sound

amplify- make greater

The correct match is gathers sound - outer ear, hammer, anvil, stirrup - middle ear, cavern-like bone with tiny hairs and fluid - cochlea, membrane - eardrum, and make greater - amplify.

The outer ear is the visible part of the ear and includes the pinna (the external ear flap) and the ear canal. Its primary function is to gather sound waves from the environment and direct them into the ear canal. The middle ear is a small, air-filled chamber located between the outer ear and the inner ear. It contains three tiny bones known as the ossicles: the malleus (hammer), the incus (anvil), and the stapes (stirrup). The cochlea is a spiral-shaped, snail-shell-like structure located in the inner ear. It is filled with fluid and contains thousands of tiny hair cells along its walls. The eardrum, also known as the tympanic membrane, is a thin, semitransparent membrane located at the end of the ear canal in the outer ear. Amplify means to increase the magnitude or strength of something. In the context of hearing, the middle ear's ossicles (hammer, anvil, and stirrup) play a crucial role in amplifying the sound vibrations that reach the eardrum.

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Think about the sport you have chosen and the skills and movements involved. For example, the sport may require increased strength. Or it may require good balance or hand-eye coordination. What body systems are most directly involved in the skills needed for your chosen sport?
Please answer in at least 8 sentences and no scams

Answers

Answer:Improving your overall fitness can help you no matter what sport or other form of exercise you engage in. But where performance is concerned, the greatest improvements arise from training that develops skills specifically related to your activity of choice.

For instance, you need cardiovascular endurance and flexibility to play tennis. But to become good at tennis, you have to work on skill-related fitness components like agility, power, speed, and hand-eye coordination. It's this focus on activity-related skills that differentiate two distinct areas of fitness development.

Explanation:

Answer:

Regardless of what sport or activity you participate in, improving your general fitness can benefit you. However, when it comes to performance, the best results come from training that focuses on developing abilities relevant to your chosen activity.

Why is the environment more important than the economy?

Answers

We can’t live without an environment

But we can without an economy

The environment is more important than the economy because it provides us with clean air and water, healthy food, and preserved nature. These all components benefit human health and result in far more economic benefit than the economic cost.

What do you mean by Environment?

The environment may be characterized as the sum total of all sorts of living and non-living elements and their effects which consequently influence human life and other animals. There are basically two factors that contribute environment, i.e. biotic and abiotic factors.

The environment is more important than the economy because it delivers forests, rivers, oceans, and soils that provide us with the food we eat, the air we breathe, and the water we irrigate our crops with. We also rely on them for numerous other goods and services we depend on for our health, happiness, and prosperity.

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