What is cell theory

Answers

Answer 1

Answer:

The cell theory is as we know it now in biology, its the idea of which all living organisms are made up of cells, and that these cells are the basic structured unit of life in living organisms. Additionally, that all cells come from pre-existing cells. Hope this helped!

Explanation:


Related Questions

the specific physical location in which a given species lives is called its
a- community
b- abiotic factor
c- climate
d- habitat

Answers

Answer:

d

Explanation:

ANSWER:D
Explanation: because habit is a place were animals live

ASAP due today
Explain one challenge we face using nuclear energy.

Answers

Answer:

The major challenges facing the nuclear industry include ensuring power plant safety, protecting reactors from natural disasters and external aggression, and finding effective solutions for long-term waste management.

Explanation:

Answer:

The major challenges facing the nuclear industry include ensuring power plant safety, protecting reactors from natural disasters and external aggression, and finding effective solutions for long-term waste management.

Have a nice day!

HELP ME I PROMISE ILL GIVE YOU ANYTHING

Answers

Nucleus
Function : DNA Storage
It’s is the room where blue prints are kept


Mitochondrion
Function : Energy production
It’s is the power house

Rough Endoplasmic Reticulum (RER) function :Protein production; in particular for export out of the cell
It’s Primary production line - makes the toys


Lysosome
Function : protein destruction

It’s Recycling and security

The following passage explains the relationship between tectonic plates and earthquakes. Which sentence states incorrect information?


Tectonic plates can push together, pull apart, or slide past each other at their boundaries. The edges of tectonic plates are not smooth, so they create friction as they move. When friction is too great for the plates to move, they can become stuck and pressure can build up. An earthquake occurs when pressure that has built up between plates suddenly is released. The buildup of pressure that leads to earthquakes only occurs at plate boundaries.​

Answers

Answer:

earthquakes occur when the edges suddenly become unstuck and slip along a fault

Explanation:

A father is heterozygous (AO) for his type A blood and a mother is heterozygous for her type B(BO) blood. What percentage of their offspring would you expect to have a child with O type blood?

Answers

Answer:

2 : 2 BO : OO

Explanation:

Children either have blood group B or O thus the probability of a child being either blood group B or O is 50%.

HELP PLS :)



It's hard to believe that forces and energies in space have an impact of events here on Earth. Scientists believe that the Sun is a huge influence on our planet. They have evidence to support their theories.


Can you pick out the statements that are true; statements that support the influence of the Sun on the Earth?


Spring tides are the largest tides due to the combined influence of the Sun and the Moon.


The sunspot cycle results in ice ages on Earth.


Solar flares disturb some radio communications here on Earth.


Geomagnetic storms on the Sun can damage to Earth-orbiting satellites.


The Sun's gravity is responsible for the planets' orbital path.

Answers

Answer:

the third one as I studied and knew.

Which statement best explains why a bird may build a nest in a hidden location?

A.Birds build nests in hidden locations because it’s an innate behavior.

B.Birds build nests in hidden locations to avoid predators and decrease the probability of successful reproduction.

C.Birds build nest in hidden locations because it’s a learned behavior.

D.Birds build nests in hidden locations to avoid predators and increase the probability of successful reproduction.

Answers

Answer:

The answer is D

Explanation:

T-lymphocytes are created in the bone marrow and then developed in the

spleen.

adenoids.

thymus.

tonsils.

Answers

Answer: I would say it is in thymus.

Answer:

It is thymus, I just did the question and got it right.

8. Most importantly, adaptations must improve a
species' ability to:
a. Eat
b. Escape threats
c. Get oxygen and water
d. Reproduce


~i’ll give u a brainly~

Answers

The answer is C you need water and oxygen to survive u can go a lot longer without food then water

what is the possible liminations of using hair as evidence in crime investgation s\

Answers

Answer:

A limitation of using hair as evidence from a crime scene is that hair can not be directly linked to a suspect. It is impossible to say that a hair sample came from only one specific person.

Answer:

How it got there. Anyone's hair can be carried and blown from anywhere, if so you'd have to go through every persons dna that had contact with a victim and contact with the contactie and so on and so on.

In around 50 years, the peppered moth population changed from nearly all light wings to nearly all dark wings. Explain exactly how the moth population changed (evolved).

Answers

Answer:

The evolution of the peppered moth is an evolutionary instance of directional colour change in the moth population as a consequence of air pollution during the Industrial Revolution. ... Later, when pollution was reduced, the light-coloured form again predominated.

Please Help Quickly!!!
A human cell contains 46 chromosomes. If the cell undergoes mitosis and divides, how many chromosomes will each daughter cell contain?
a. 12
b. 23
c. 46
d. 92

Answers

Answer:

c

Explanation:

Match the following.

1. any substance that kills germs
2. drugs that attack specific bacteria
3. substance that attacks fungi
4. chemical that destroys pathogens inside the body
antibiotics
germicide
anti-infective
antifungal agents

Answers

Explanation:

1. any substance that kills germs

ans. germicide

2. drugs that attack specific bacteria

ans. antibiotics

3. substance that attacks fungi

ans. antifungal agents

4. chemical that destroyed pathogens inside the body

ans. anti-infective

Most plant growth takes place in the ____________________ of the root

Answers

Answer: Primary Growth

Most primary growth occurs at the apices, or tips, of stems and roots.

Explanation:

Hunting reserves also support wildlife conservation.give reason

Answers

Answer:

. because wild life is a renewable natural resource

What do you mean by anaemia?​

Answers

Answer:

Anemia is a condition in which you lack enough healthy red blood cells to carry adequate oxygen to your body's tissues.

Explanation:

It is defined as a low number of red blood cells. In a routine blood test, anemia is reported as a low hemoglobin or hematocrit.

7. Should parents be allowed to manipulate the genes of their children to select for certain
traits when the children themselves cannot give consent?

Answers

Answer:

Maybe

Explanation:

It depends. Is the trait harmful? Parents should do their best to avoid harmful traits for their children, but no not if its not harmful



3:Briefly describe in a paragraph your learning Online experience as a Science students.​

Answers

Answer:

i also don't know i am in 9 hahahaha

Answer:

               I honestly love it! Not only does online school give me more freedom to do my daily activities such as sports and cooking but it also reduces my in-person learning stress. With science specifically, I can create visual representations of the lesson/subject matter to help me better understand the question or item being taught. It can also be more difficult at times because you don't have a teacher that you can raise your hand for and get an immediate answer or help with your question as you would in a typical brick-and-mortar/physical school classroom.

Hope this helps and please leave me brainliest!

why is taking action for global warming important? please help

Answers

Answer: Global warming will cause significant harm to the health of persons and their communities by compromising food and water supplies; increasing risks of morbidity and mortality from infectious diseases and heat stress; changing social determinants of health resulting from extreme weather events, rising sea levels,

What conditions are necessary for rocks to melt?

Answers

Answer:

In explanation.

Explanation:

The rock is pulled down by movements in the earth's crust and gets hotter and hotter as it goes deeper. It takes temperatures between 600 and 1,300 degrees Celsius (1,100 and 2,400 degrees Fahrenheit) to melt a rock, turning it into a substance called magma (molten rock).

The rock can be melted when high pressure and high temperature are applied to it, and due to the compression relaxation, the rock melts. The different types of rocks need different temperatures.

What is the effect of temperature on different substances?

Temperature plays an important roles in different substances, such as high and low temperatures, each with its own set of tasks. The high temperature can melt the solid substance into a liquid, and further heating converts the liquid into gas. Because of the high pressure and temperature in the earth's core, the rock is in a molten state, but when it comes out of the earth's core, after solidifying, it converts into solid rock. The low temperature converts the liquid into a solid, and food preservation is carried out by this process.  

Hence, the rock can be melted when high pressure and high temperature are applied to it, and due to the compression relaxation, the rock melts.

Learn more about the temperature here.

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1 pts
Cells must function properly for the body to thrive and survive. The structure below is made up of carbon
based molecules that have a role in the function of the structure. Which statement best describes an important
function of the cell structure shown in the model below?

Answers

Answer:

Can you give me the answer choices or the photo to work off of?

Explanation:

There are 450 calories in 100 g of trail mix. If you burn 30 calories in 10 minutes of walking, how much trail mix should you eat to replenish the energy you spend walking for 2 hours?

Answers

Answer:

to replenish the energy spent walking for 2 hours, 80g of trail mix should be eaten

Explanation:

Firstly, let us calculate the number of calories burnt in 2 hours

in 10 minutes; 30 calories are burnt

∴ in 1 minute 30/10  calories are burnt = 3 calories are burnt

2 hours = 120 minute

∴ in 120 minutes 3 × 120 = 360 calories are burnt.

Next, let us calculate the amount of trail mix that contains 360 calories

100g of trail mix = 450 calories

450 calories = 100 g

1 calory = 100/450

∴ 360 calories = 360 × (100/450)

=  360 × 0.222 = 80g

∴ to replenish the energy spent walking for 2 hours, 80g of trail mix should be eaten

How do mountains affect the climate of a region?

(giving brainlist)

Answers

On the windward sides of mountain ranges, they raise precipitation. When they move toward land, they cause cold, moist air from the oceans to rise. On the leeward sides of mountain ranges, they reduce precipitation totals.

(Hope this helps!!!) Can I pls have a brainliest??

Answer:

As context, there are two sides of a mountain range:

A) The windward side

B) The leeward side

As mountains are tall, they block clouds which are in the troposphere. All the moisture thus falls onto the windward side, while almost none of the moisture from the rain gets to the leeward side.

In a nutshell, mountain ranges create barriers for precipitation which blocks off moisture to the leeward side, creating deserts.

This is why you see mountain ranges near deserts.

The complementary strand of DNA to the DNA fragment GGC ATA CAT is: (DNA replication)

CCG UAU GUA
GTA TAT CCG
ATG TAT GCC
CCG TAT GTA
which one ^

Answers

Answer:

CCG TAT GTA

Explanation:

In DNA replication, adenine pairs to thymine and cytosine pairs to guanine. We take the template strand and pair the correct letters (A to T, C to G).

A
B
C
D
Need help PLEASEE

Answers

[tex]\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}[/tex]

Ur answer is D.

Thanks,

An image of an influenza virus is shown. The spike-like structures that cover the virus are surface proteins.
What is the function of the surface proteins on the influenza virus?

Answers

Answer:

D. to remove a host cell's DNA

Explanation:

I hope that this helped you :D

Answer:

I got it right... this is a first choice D) to remove a host cell's DNA

Explanation:

thank you!

give me a mark for brainly

The starfish's water-vascular system is used for locomotion and capturing food. True/False

Answers

Answer:

true

Explanation:

Why are enzymes important for chemical
reactions?

Answers

Answer:

Enzymes greatly increase the reaction rate, or catalyze them.

Explanation:

Without them, many of us would not be alive, because the reactions wouldn't be fast enough!

Which is all of the organisms found on earth and all of the areas in which they live
A. Ecosystem
B. Biome
C. Species
D. Biosphere

Answers

Answer

ecosystem

Explanation:

because a biome is s a collection of plants and animals that have common characteristics for the environment they exist in. They can be found over a range of continents. Biomes are distinct biological communities that have formed in response to a shared physical climate.

Answer:

Biosphere

Explanation:

I took the test and got it right. Hope this helps!

Help please need help this is due soon​

Answers

Answer:

2)parastice

4)predation

hope this helps and this is the far I can get

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