What is The Cell Theory?

Answers

Answer 1

Answer:

cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.

Answer 2

Answer:

all living things are made of one or more cells.  cells are the basic unit of life; and new cells arise from existing cells. it goes on and on

Explanation:


Related Questions

Help me pls thank you

Answers

What does the diagram represent here? I am having trouble understanding

Please select the word from the list that best fits the definition

Occurs when chlorophyll in a plant traps light energy and produces sugar


A) Respiration
B) Photosynthesis

this is on edge2020

Answers

Answer:

Explanation:

its b photosyntesis

Answer:

B

Explanation:

Fill in the blank

Relate the law of conservation of mass to photosynthesis

The Law of Conservation of Mass holds true in photosynthesis
because the number of ______________

Answers

Answer:

moles of reactants is the same as the number of moles of products

Explanation:

Photosynthesis is the process whereby green plants manufacture their food in the presence of sunlight and water using energy from the sun. It is chemically symbolized as;

       6CO₂    +    6H₂O     →   C₆H₁₂O₆     +     6O₂

In the reaction above, the number of moles are balanced so as to comply with law of conservation of mass.

The law of conservation of mass states that "matter is neither created nor destroyed in the course of a chemical reaction but are simply transformed from one form to another".

calculate the mass of 0.35 mole of copper (||) sulfate (CuSO4).

Answers

Ok so for finding mass we multiply mole by molar mass so our mole is 0.35 and our molar mass is Cu x 1 + S x 1 + O x 4 = 159.606
(Cu=63.54, S=32.06, O=16 )
So 159.606 x 0.35 = 55.8621 g

The mass of 0.35 mole of copper (||) sulfate (CuSO4) is found to be 55.86 g.

What is the mass of any substance?

The mass of any substance may be defined as a measure of the amount of matter in that particular substance. It is usually measured in grams (g) or kilograms (kg). Mass measures the quantity of matter regardless of both its location in the universe and the gravitational force applied to it.

According to the question,

The mole of copper (||) sulfate (CuSO4) = 0.35 mole.

The molar mass of copper (||) sulfate (CuSO4) = 159.60.

∴ The mass of any substance is calculated by the given formula:

Molar mass × No. of moles.

        159.60 × 0.35 = 55.86 g.

Therefore, the mass of 0.35 mole of copper (||) sulfate (CuSO4) is found to be 55.86 g.

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#SPJ2

What compound makes up
the channels that are
embedded in the cell
membrane?
on
otic

Answers

Answer:

phospholipids

Explanation:

The basic building blocks of a cell membrane are phospholipids. Phospholipids contain a hydrophobic (insoluble in water) end made up of two fatty acid chains of nonpolar molecules such as carbons and hydrogens.

Hopefully this is correct!

Which of the following is one of the ways that cellular respiration and photosynthesis are opposite processes?

A.)Photosynthesis releases energy, and cellular respiration stores energy
B.)Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back.
c.)Photosynthesis removes oxygen from the atmosphere, and cellular respiration puts it back,
d.) Photosynthesis consumes glucose, and cellular respiration produces glucose.

Answers

Answer:

Explanation:

OKKK

PLEASE HELP ME WITH THIS PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

A

Explanation:

Answer:

the answer is layer  a simson girl daughter

Explanation:

Why must you avoid breathing or coughing on an agar plate?

Answers

Answer:

Explanation:

An agar plate is simply a Petri dish and it contains agar as a solid growth medium. It also contains nutrients for the culturing of microorganisms. Because of this reason, we must avoid breathing and coughing on these agar plates to avoid contaminating them. If they get contaminated we won't only see microorganism growth that we want to see for the experiment or test but also all the organisms from our body.

Human red blood cells contain an important protein called?

Answers

Answer:

Explanation:

Red cells contain a special protein called hemoglobin, which helps carry oxygen from the lungs to the rest of the body and then returns carbon dioxide from the body to the lungs so it can be exhaled. Blood appears red because of the large number of red blood cells, which get their color from the hemoglobin.

What best explains the relationship between structure and function of the cell membrane?

Answers

Answer: The lipids and proteins that make up the membrane allow it to be selective about what enters and leaves the cell. The fluid inside the membrane buffers the chemical reactions taking place inside the cell.

Explanation:

A certain type of frog reproduces sexually and has 36 pairs of chromosomes in each of its body cells. How many chromosomes are in each of the frog’s sex cells?

9
18
36
72

Answers

Answer:

36

Explanation:

on edge2020

Answer:

c-36

Explanation:

36 chromosomes are in each of the frog’s sex cells

Nutrients are transported to the cells via the - *
circulatory system
digestive system
endocrine system
nervous system
I’m not sure if it’s biology but it’s science

Answers

Answer: circulatory system

Explanation:

Which would absorb the most radiant energy based on its texture?

a rocky mountain
a glacier
a frozen lake
a waxy leaf

Answers

Answer:

The waxy leaf i think but if it is also everything IN it then the frozen lake

Explanation:

Answer:

rocky mountain

Explanation:

hope it helps, mark as brainliest


Ildentify three different types of consumers. Name an example of each type.

Answers

Okay My three Consumers I’m going to use are-
•Herbivores
•Carnivores
•Decomposers

Explanation~
For herbivores there living things that eat only plants to get energy so an example of that could be Whales,Elephants, Cows etc

Carnivores are meat eaters soo those would be animals like owls,Tigers,Sharks etc

Decomposers break down dead plant and animal material and examples of those would be Earthworms and Mushrooms

HOPE THIS HELPED!!

What change in surface area is expected to result in a faster rate of diffusion?

Answers

Explanation: When the cell increases in size, the volume increases faster than the surface area, because volume is cubed where surface area is squared. When there is more volume and less surface area, diffusion takes longer and is less effective.

The main plants in a
ecosystem are trees.
desert

forest

grassland

water

Answers

I think it’s grasslands
it should be grasslands

Which of the following is NOT one of the zones in a lake?
a. littoral zone
C. open-water zone
b. surface zone
d. deep-water zone

Answers

A? Im not exactly sure try googling

Four cats are sitting in a living room. Which cat has the greatest gravitational potential energy? (Lesson 3.10 Gravitational Potential Energy) O A 15 lb cat sitting 3 feet off the ground in a window O A 15 lb cat sitting 1 foot off the ground on a box O A 10 lb cat sitting 1 foot off the ground on a box O A 10 lb cat sitting 3 feet off the floor in a window​

Answers

Answer

I believe it is "A 15 lb. cat sitting 3 feet of the ground in the window"

Explanation:

I think it is  this one because it is one off the heaviest cats and it is this one because this 15 pound cat is higher than the other one. I hope you get an A

The cat that has the greatest gravitational potential energy is A. A 15 lb cat sitting 3 feet off the ground in a window.

Gravitational potential energy refers to the energy that is possessed by an object due to its position on the gravitational field.

Gravitational potential energy is also referred to as the potential energy that an object has in relation to a different object due to gravity. Therefore, the greatest gravitational potential energy will be the 15 lb cat sitting 3 feet off the ground in a window.

Read related link on:

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What are some of the challenges with using solar energy?

Answers

Answer:

A  chanllenge can be that it's very pricy

Answer:

Some problems using solar energy are that it may not be a very reliable source because if you have an emergency in te middle of the night and need t charge your solar charged flashlight, you can't because it's nighttime. Solar panels are also not the prettiest thing and huge amounts of them can still mae very little power. Solar panels are also very expensive to install. On top of that, some communities don't want you using solar panels due to the bulky and blinding look of them.

Explanation:

In the answer

This river is surrounded by both trees and farm fields. When snow melt and precipitation are high, this river can flood its banks and the water will run back into the

Answers

back into the: either he trees or farm land.... or the ground itself

4. Which is an example of mechanical weathering?
A. limestone cave formations
B. iron oxide
C. water moving over rocks
D. hydrated minerals

Answers

I would say A or C I’m not sure but if I had to choose A or C my best guess would be A


I hope this helps :)

Whats the answer to this equation because I dont know

Answers

The answer is -1 you pretty much have the right answer

Potential energy is
A. stored energy C. the difference between stored and moving energy
B. moving energy D. the sum of all energy in the system

Answers

I believe it is A- Stored Energy.
The answer is A-stored energy

where would you find fungi where would it stay?​

Answers

Answer:

Everywhere. Soil, air, lakes, rivers, seas

In plants, food and animals.

Clothing and the human body.

Explanation:

What happens when a light wave hits a translucent object, in terms of energy?


1) some of the energy is transmitted, whilst the rest is absorbed and reflected
2) most of the energy is transmitted
3) all energy is reflected
4) all energy absorbed

Answers

Answer:

1) some of the energy is transmitted, whilst the rest is absorbed and reflected

Explanation:

"When light strikes translucent materials, only some of the light passes through them. The light does not pass directly through the materials. ... Opaque objects block light from traveling through them. Most of the light is either reflected by the object or absorbed and converted to thermal energy."

Answer:

d

Explanation:

What can store more energy, Glucose or ATP? How much more?

Answers

Answer:

Let's take a closer look at a molecule of ATP. Although it carries less energy than glucose, its structure is more complex. The "A" in ATP refers to the majority of the molecule, adenosine, a combination of a nitrogenous base and a five-carbon sugar.

The answer is ATP. It has more energy


Help please I do not understand

Answers

Answer:

Atoms in reactants are equal to atoms in products. so it represents law of conservation of energy

A student wishes to test whether adding a substance
(called an anti-freeze) to water lowers the freezing point
of the water. Measuring which of these variables will help
her arrive at a conclusion?

A
Amount of water put into
the container B

Amount of anti-freeze
added to the water

C
Temperature at which the
mixture freezes D

Type of thermometer
used to make the
measurement

Answers

Answer:

C  Temperature at which the  mixture freezes

Explanation:

Measuring the temperature at which the mixture freezes provides a good way for the student to arrive at her conclusion.

The variable being tested for in this experiment is the freezing point of the water anti-freeze mixture. The dependent variable which is the freezing point is of prime concern. Amount of the antifreeze added is the independent variable. It is the cause of the phenomenon desired to be observed in the experiment.

There are different kinds of measurements. Measuring which of these variables will help her arrive at a conclusion is Temperature at which the  mixture freezes.

The act of Measuring the temperature at which the mixture freezes helps one to known or arrive at a conclusion. Note that the variable that is tested for in this experiment is the freezing point of the water anti-freeze mixture.

The temperature at which a substance freezes is referred to as its freezing point. Freezing point is also known to be the physical property of matter.

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1. A mutation is made once in every nucleotide copied.

Answers

Answer: False

Explanation:

Answer:

false

Explanation:

Scientists have developed genetically engineered plants that are pest-resistant. By adding genes to the plant's DNA, they become toxic to insects (but not to plants or animals). This means that these plants may not need to be sprayed with pesticides to ward off the insects.

Answers

Answer:

Genetically modified organisms (GMOs) have altered their genomes in different ways in order to be resistant to both biotic (e.g., insect pests) and abiotic (e.g., drought) stress conditions

Explanation:

A genetically modified organism (GMO) is any organism, i.e., plant, animal, bacterium, etc., whose DNA has been altered by genetic engineering. The GMO crops can exhibit resistance to insect pests in order to increase their agronomic yields (as well as resistance to other biotic and abiotic stresses). It is for that reason that GMO crops are widely used in many countries. A commercially available GMO crop is Bt corn, which is a genetically engineered maize that expresses proteins from the bacterium Bacillus thuringiensis (Bt), which are poisonous to several insect pest species.

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