what are the three components of the cell theory

Answers

Answer 1
1. All living things are composed of cells
2. Cells are the basic unit of structure and function in living things
3. All cells are produced from other cells
Answer 2

Answer: Sample Response.

Explanation: The first component of the cell theory says that all living things are made of cells. The second component of the cell theory states that cells are the basic structure and function of living things. The last component of the cell theory says that cells come from other cells.


Related Questions

How does the nitrogen cycle control the quality of water within a aquarium and what could cause an imbalance (build of toxic chemicals such as ammonium).​

Answers

Answer:

Explanation:

Ammonia is removed from an aquarium system through the use of a biofilter. The biofilter provides a substrate on which nitrifying bacteria grow. These nitrifying bacteria consume ammonia and produce nitrite, which is also toxic to fish. Other nitrifying bacteria in the biofilter consume nitrite and produce nitrate.

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Which of the following shows some, but not all, characteristics of life?

Answers

Where do we hypothesize that plants came from?

question 1. The construction of the Temple took seven years.
False True? question 2
Solomon sinned by allowing the corruption of God's people in the worship of idols.

True
False

Answers

1.) True .... 1 Kings 9:10 says it took Solomon 20 years altogether to build the Temple and his royal palace; the Temple itself was completed in 7 years

2.) True .... God hated it he would never have allowed it ....

Answer:

Question 1 true

question 2 true

Explanation:

what is a glycoprotein? and what is one of the uses of glycoproteins?

i'll mark you as a brainliest if you help.

Answers

Answer: it’s is proteins that are conjugated with a small number of monosaccharides or short typically branched chains of carbohydrates ( oligosaccharides). And one use of glycoproteins is they have something to do with immune system examples the molecules of as such as antibodies ( immunoglobulins) which they just interact with antigens.

Explanation: hope this help I take biology it can be tough.

Why do girls get more girls? (genetically, not because "their girls and normally get long hair")

Answers

Answer:

wdym? I'm confused

Explanation:

Answer: girls have the gene to get pregnant and give birth

Explanation: what are you even asking

Are you talking about how girls get more babies or?

If yes then girls have the gene to get pregnant and give birth

SOMEBODY PLEASE TELL ME THE ANSWER TO THIS QUESTION HURRY I ONLY HAVE 41 MINITES LEFT TO TAKE THID TEST!!!!!

Answers

Answer:

What's the question?

Explanation:

Type the word that appropriately completes each statement.
All fish reproduce sexually, but fertilization may occur in one of two ways.
In__________
fertilization, the female fish releases eggs in the water or on a surface. The male fish spreads
sperm over the eggs to fertilize them.
In__________
fertilization, the eggs are fertilized inside the female's body. The young develop there until the
female gives birth.

Answers

exExplanation: external internal

Hello, 3Coli here!

Here is your answer:

In  external fertilization, the female fish releases eggs in the water or on a surface. The male fish spreads sperm over the eggs to fertilize them.

In internal fertilization, the eggs are fertilized inside the female's body. The young develop there until the female gives birth.

Hopefully, this helps! :D

Ask your question below!

An animal cell lacking oligosaccharides on the external surface of its plasma membrane would likely be impaired in which function ?​

Answers

Answer:

This question lacks options, the options are:

A) transporting ions against an electrochemical gradient

B) cell-cell recognition

C) maintaining fluidity of the phospholipid bilayer

D) attaching to the cytoskeleton

E) establishing the diffusion barrier to charged molecules

The answer is B

Explanation:

Generally, oligosaccharides are short chains of polysaccharides/carbohydrates. They make up the structure of membranes including the plasma membrane. Oligosaccharides attached to the protein content of the cell membrane to form a substance called GLYCOPROTEIN. The attached oligosaccharides functions in the ability for a cell to recognize another cell.

According to this question, if an animal whose cell is lacking oligosaccharides on the external surface of its plasma membrane, the most likely impairment would be that of CELL-CELL recognition.

Oligosaccharides are a type of carbohydrates that contain the combination of a few monosaccharides. The are also found as part of the components of the membrane.

If an animal cell lacks this type of carbohydrates (oligosaccharides), the function impaired would be the cell-cell communication function.

Oligosaccharides performs various functions as part of the component of the plasma membrane. It functions in cell to cell recognition and binding and communication. They usually contain 3-10 sugar units (monosaccharides).

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Answers

Explanation:

Red-shift

Emission spectra

Light from a star does not contain all the wavelengths of the electromagnetic spectrum. Elements in the star absorb some of the emitted wavelengths, so dark lines are present when the spectrum is analysed. Different elements produce different patterns of dark lines. The diagram shows part of the emission spectrum of light from the Sun.

A gradient colour spectrum of the sun.

Spectra from distant galaxies

Astronomers can observe light from distant galaxies. When they do this, they see it is different to the light from the Sun. The dark lines in the spectra from distant galaxies show an increase in wavelength. The lines are moved or shifted towards the red end of the spectrum. This effect is called red-shift. The diagram shows part of the emission spectrum of light from a distant galaxy.

A gradient colour spectrum of a distant star.

Red-shift and speed

Astronomers see red-shift in virtually all galaxies. It is a result of the space between the Earth and the galaxies expanding. This expansion stretches out the light waves during their journey to us, shifting them towards the red end of the spectrum. The more red-shifted the light from a galaxy is, the faster the galaxy is moving away from Earth

Phycobiliproteins are complex proteins in cyanobacteria that absorb light energy. There are three kinds of phycobiliprotein molecules used to pass light to chlorophyll: phycoerythrin—responsible for capturing green light, phycocyanin—responsible for capturing orange-red light, and allophycocyanin—responsible for capturing red light.
Since light can only penetrate to certain depths in oceans (figure 1), phycobiliproteins capture the light available and pass it through various pathways of phycobiliproteins until the emitted light is red, which is absorbed by chlorophyll. (4 points)


A. Explain the relationship between chlorophyll absorption and wavelength.
B. In addition to the pigments commonly associated with photosynthesis, a certain photosynthetic species contains two additional pigment types. Which of the following best justifies the claim that this species is better adapted to environmental changes than the cyanobacteria described above?

Answers

Answer:

Part A:

— Chlorophyll absorbs different wavelengths than chlorophyll does. 

— Chlorophyll does not absorb wavelengths that are green and yellow, which is indicated by a very low degree of the light absorption.

Part B: 

Photosynthetic Organisms are organisms capable of photosynthesis. Photosynthesis is greenery and other organisms using the energy from sunlight to synthesize foods from carbon dioxide and water. Leaving allophycocyanin to be the protein these plants and other organisms receive from the light. So for the process, in order for the plants to live they must be able to go through photosynthesis giving the plants the energy and proteins they need to produce food and to release oxygen into the environment.

Answer:

The visible spectrum is the only part of the electromagnetic spectrum that can be seen by the human eye. It includes electromagnetic radiation whose wavelength is between about 400 nm and 700 nm.

Visible light from the sun appears white, but it’s actually made up of multiple wavelengths (colors) of light. You can see these different colors when white light passes through a prism: because the different wavelengths of light are bent at different angles as they pass through the prism, they spread out and form what we see as a rainbow. Red light has the longest wavelength and the least energy, while violet light has the shortest wavelength and the most energy.

Photosynthesis, the sun’s energy is converted to chemical energy by photosynthetic organisms. However, the various wavelengths in sunlight are not all used equally in photosynthesis. Instead, photosynthetic organisms contain light-absorbing molecules called pigments that absorb only specific wavelengths of visible light, while reflecting others.

The set of wavelengths absorbed by a pigment is its absorption spectrum. The set of wavelengths that a pigment doesn't absorb are reflected, and the reflected light is what we see as color. For instance, plants appear green to us because they contain many chlorophyll a and b molecules, which reflect green light.

Although both chlorophyll a and chlorophyll b absorb light, chlorophyll a plays a unique and crucial role in converting light energy to chemical energy (as you can explore in the light-dependent reactions article).

All photosynthetic plants, algae, and cyanobacteria contain chlorophyll a, whereas only plants and green algae contain chlorophyll b, along with a few types of cyanobacteria Because of the central role of chlorophyll a in photosynthesis, all pigments used in addition to chlorophyll a are known as accessory pigments—including other chlorophylls, as well as other classes of pigments like the carotenoids. The use of accessory pigments allows a broader range of wavelengths to be absorbed, and thus, more energy to be captured from sunlight.

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Which amino acid has a hydrophobic side chain?​

Answers

Answer:

glycine, alanine, valine, leucone, isoleucine, proline, phenylalanine, methionine, and trytophan are all amino acids with hydrophobic side chains.

from the big bang that occurred 13.7 billion years ago came​

Answers

Answer:

huh

?

I'm confused on the question

Answer:

Our universe was born about 13.7 billion years ago in a massive expansion that blew space up like a gigantic balloon. That, in a nutshell, is the Big Bang theory, which virtually all cosmologists and theoretical physicists endorse. The evidence supporting the idea is extensive and convincing

Explanation:

A rabbit eats some grass. A fox eats that rabbit. A wolf comes along and eats the fox. What is this an example of:
decomposers
food chain
abiotic factor
fossil record​

Answers

that’s the food chain
your welcome

How do plants obtain carbon?


from animals that feed on the plants


from microorganisms that live in soil


from carbon in the soil


from carbon dioxide in the atmosphere

Answers

Answer:

from carbon dioxide in the atmosphere

explanation: when we breath out we are leaving carbon dioxide in the atmosphere and that is how plants get carbon dioxide and give us oxygen

Answer:

from carbon dioxide in the atmosphere

Explanation:

hope it will help you

Which material would get electrons from the source to the load the fastest

Answers

Answer:

However, graphene has far fewer electrons than copper, so in graphene the electrical current is carried by only a few electrons moving much faster than the electrons in copper." In semiconductors, a different measure, mobility, is used to quantify how fast electrons move.

Answer:

D

Explanation:

D

Food-borne illnesses can have substantial health and economic consequences. Correctly identify the steps that can lead to food-borne illness by Salmonella/Campylobacter and E. coli 0157:H7
1. Bloody diarrhea and hemolytic uremic syndrome can result
2. Live E. coli 0157:H7 bacteria are ingested
3. A Shiga-like toxin is produced
4. Incomplete cooking of raw hamburger fails to kill all pathogens
5. Live Salmonella or Campylobacter bacteria are ingested
6. Diarrhea, abdominal pain and nausea can result.
7. Incomplete cooking of poultry and fruits/vegetables fails to kill all pathogens
8. The pathogen multiplies in the intestinal tract for 2-48 days

Answers

Answer:

4,6,5,1,3

Explanation:

Predict the nature of the indicated covalent
bond.
H
H-C-N

H
H
H
polar
non-polar

Answers

Answer:

The nature of the indicated covalent bond is polar.

Explanation:

The given diagram is the Lewis structure of Methylamine which has the formula, CH₃NH₂.

In order to know that it is polar, we will discover that in the Lewis structure there are unpaired electrons in the central atom. Also, the bond that exists between the hydrogen and nitrogen shows that it is polar.

CH₃NH₂ is seen to have two charged ends that are opposite and the bonds that exists between hydrogen and nitrogen, which makes it a polar molecule.

The electronegativities of carbon, hydrogen and nitrogen can also be used to determine its polarity.

Which object did New Horizons observe more closely than any other spacecraft in 2015?
-Mercury
-Venus
-Neptune
-Pluto

Answers

Answer is D pluto

Two days later, with about four months remaining before its close encounter, New Horizons finally became closer to Pluto than Earth is to the Sun. Pictures of Pluto began to reveal distinct features by April 29, 2015, with detail increasing week by week into the approach.

To grow, plant cells must produce new components of the cell membrane, including phospholipids and membrane proteins. Components of the cell membrane are most likely synthesized in which of the following cellular structures in a plant cell?

Answers

Answer:

endoplasmic reticulum

Explanation:

ER is full with proteins than help to synthesize phospholipids in plant cells

What is the process where water enters
the atmosphere by evaporating from the
leaves of plants?
A. Liquification
B. Transpiration
C. Sublimation

Answers

Answer:

B/Transpiration

Explanation:

Transpiration is evap- oration of liquid water from plants and trees into the atmosphere. Nearly all (99%) of all water that enters the roots transpires into the atmosphere. ... Sublimation is the process where ice and snow (a solid) changes into water vapor (a gas) without moving through the liquid phase

What role does the brain play when it comes to our senses?

Answers

Senses refer to the ability to see,taste,touch, smell, and hear. Our senses receptors send signals to the brain. The brain analyzed the sensory information and tells the body what to do in response.

XX=Female XY=Male.
your best friend has five children and they are all boys. They are expecting their 6th child. What would be the probability for their 6th child to be a girl? Why

Answers

Answer:

50% or 1/2

Explanation:

The probability of their 6th child being a girl would be 50% or 1/2.

During meiosis, the female produces X eggs while the male produces X and Y sperms. A random fusion of gametes then occurs during fertilization.

                             XX    x    XY

       XX (female)   XY (male)   XX (female)   XY (male)

XX - 1/2 or 50%

XY - 1/2 or 50%

Hence, the probability of producing a girl is 1/2 or 50% irrespective of the number of kids a couple might have produced already.

Which of the following is responsible for sensing excessive strength to protect the muscle

Answers

Answer: golgi tendon organ

Explanation:

When you lift weights, the golgi tendon organ is the sense organ that tells you how much tension the muscle is exerting. If there is too much muscle tension the golgi tendon organ will inhibit the muscle from creating any force (via a reflex arc), thus protecting the you from injuring itself.

HURRY IM TIMED ON THIS PLZ HURRY!!!

Answers

Answer: Aauaporin

Explanation:

Answer:

Exocytosis

Explanation:

I just did the and I got it right <3

Which of the following is an example of natural selection?
A
Over time, the Earth's crust started to solidify about one-billion years after the
planet was formed.
B
Over time, a species of cricket became green because green crickets were better
able to hide among the leaves.
с
In the winter, as food becomes more scarce, some species of birds fly to new
habitats in the south.
D
In June, the Northern Hemisphere gets more direct sunlight due to the tilt of
Earth's axis as it revolves around the sun.

Answers

The answer is A for natural selection

Answer:

its b

Explanation:

i just did it :)

A small loop of DNA that can get transferred from one bacterium to another bacterium is called a: A. Nucleus B. Plasmid C. mRNA D. Genophore

Answers

The answer to our question is a plasmid. Plasmid basically refers to the ring of DNA found in bacteria, and is commonly used for gene splicing and recombinant DNA technology.

what are the parts of the digestive system and their functions?​

Answers

Mouth - break down food mechanically and chemically

Salivary Glands - produce saliva that contains enzymes which chemically break down food

Esophagus - move food from mouth to stomach through a process called peristalsis

Stomach - chemically break down food with stomach acid, mechanically break down food with the contracting of stomach muscles

Liver - creates bile that helps with digestion, stores, distributes and breaks down nutrients

Gallbladder - temporarily stores bile and squeezes it into the small intestine to break down fat droplets

Pancreas - produces pancreatic juice that contains digestive enzymes and bicarbonate

Small Intestine - absorbs nutrients from chyme

Large Intestine - absorbs water and dries out food, turning it into waste

Rectum - stores waste before it leaves the body

Anus - an opening where waste exits the body

Please answer will give brainliest.

Answers

Answer: the box will not move because balanced forces are acting on it

Explanation: there is a box in the middle and on either side is the same weight box pushing against either side of the initial box in the center with an equal force of 10N!

I hope I helped and I’m sorry if it’s wrong!

1. Chromosomes are made of
and​

Answers

Answer:

protein and DNA

Explanation:

protein and DNA! Hope I helped !

3.We anticipate our recombinant DHFR protein to be functional for use in future research applications. However, if you had been able to test functionality and found that your recombinant GST-DHFR-His protein was not functional, what would you propose is one potential issue you would investigate to troubleshoot further. In other words, what is one thing that could have gone wrong to result in non- functional protein from the method used and results obtained this semester

Answers

Answer:

In the given case, the protein would have required to go through the process of post-translational modification, however, the mentioned protein would have been cultured in the prokaryotic system, the process of post-translational modification would have failed to take place. This step would be essential for the functionality of the protein. Thus, there is a need to culture it within the eukaryotic system.

The covalent and generally the enzymatic modification of proteins post its biosynthesis is termed as post-translational modification.

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