Which structure controls what enters and leaves the cell?
A) cell membrane
B mitochondria
c) cell wall
D nucleus

Answers

Answer 1

The "Cell Membrane" controls what enters and exits the cell and thus protects the cell.

Answer 2

Answer: A: The cell membrane

Explanation:  Hope this helps!


Related Questions

Individuals in a population that have traits or abilities that give them a competitive advantage over other population members are more likely to survive and reproduce. this principle is
called what? a. species separation b. genetic mutation c. genetic resistance d. naturalselection

Answers

According to the research, population members that are more likely to survive and reproduce is a principle called natural selection.

What is natural selection?

It is the process of adaptation to the environment by which only living beings with certain characteristics reproduce and survive.

Better-adapted organisms crowd out less-adapted ones by slowly accumulating favorable genetic changes in the population over generations.

Therefore, we can conclude that according to the research, population members that are more likely to survive and reproduce is a principle called natural selection.

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Which president founded the environmental protection agency?.

Answers

Answer: I think it was Richard Nixon.

I'm not completely sure about it, but I hope this helps!! :)

Answer:

President Richard Nixon

Explanation:

President Nixon signed Reorganization Plan calling for the establishment of an Environmental Protection Agency

How many trophic levels can monkeys occupy in a food chain?

Answers

Answer:

A monkey can occupy two tropic levels in a food chain. These levels can be primary consumers or secondary consumers.

Answer:

two, because they eat plants and insects

Explanation:

HELP ME CJDUCIF PLEASE I WILL MARK BRAINLIST

Answers

Answer:

1950 - 1970

Explanation:

in order to increase food production, alleviate extreme poverty and malnourishment in the country, and to feed millions

It is important for newly developed neurons to form synapses with other neurons. Which cells are most responsible for guiding the formation of these particular junctions?.

Answers

The cells that are most responsible for guiding the formation of these particular synapses are astrocytes.

What is synapsis?

Synapsis can be defined as the site of interaction that contain nerve cells in the nervous system.

Synapsis produces the transmission of electric impulses among different cells of the nervous system.

In conclusion, the cells that are most responsible for guiding the formation of these particular junctions are astrocytes.

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Which organism exhibits behavioral adaptation?

A- An owl with large pupils and eyes that enable it to see better at night

B- A possum playing dead to increase its chances of survival

C- An insect that mimics its environment to hide from its predators

D- A desert plant that sheds its leaves to lessen water loss during the dry season

This is form the Edge Biology test btw

Answers

B- A possum playing dead to increase its chances of survival

A possum playing dead to increase its chances of survival organism exhibits behavioral adaptation.  Correct Option is 2.

Behavioral adaptations refer to the actions or responses exhibited by organisms in response to their environment or specific stimuli to improve their chances of survival and reproduction. Among the options provided, choice B, a possum playing dead to increase its chances of survival, best represents a behavioral adaptation.

When a possum plays dead (a behavior known as "playing possum" or "playing dead"), it is exhibiting a defensive response to threats or predators. When confronted by a potential predator, a possum will feign death, becoming limp and unresponsive. This behavior can deceive predators into thinking that the possum is no longer a threat or potential prey, giving the possum a chance to escape from danger.

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bulbils are means of vegetative propogation?​

Answers

Answer:

vegetative propagation by bulbils-;

they are flesh eating Birds which are produced in the axils of leaves in place of axillary but these bulbils give rise to new plants when they fall on ground

More basic information :

regeneration of new plant from the vegetative part of organ of the parent plant is called vegetative reproduction and propagation

vegetative reproduction and vegetative propagation is useful to spread the plant in wider region one some other plant get favourable condition it is then colonized to that reason of vegetative propagation

Answer:

They are flesh eating animals

Explanation:

hi hru hope it helps you

Sometimes new information results in minor changes to a theory. But sometimes new information results in a theory being discarded as incorrect. An example of an incorrect theory that was disproved by the discovery of new information is.

Answers

Ptolemy's theory of the solar system is an example of an incorrect theory that was disproved by the discovery of new information.

What is Ptolemy's theory of the solar system?

Ptolemy anchored his geocentric paradigm on the Earth. Ptolemy felt the universe was a system of nested orbs surrounding the Earth based on the facts he had.

He believed that the Moon was nearest to the Earth, followed by Mercury, Venus, and finally the Sun.

Ptolemy's theory of the solar system is an example of an incorrect theory that was disproved by the discovery of new information.

Thus, the answer is Ptolemy's theory of the solar system.

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Answer: A) Ptolemy’s theory of the solar system.

Explanation:

what are ways we affect the environment positively

Answers

Answer:

Cutting down trees and littering have a negative effect on animals and plants. Protecting endangered species and cleaning lakes and seas has a positive effect on the environment. At home you can help the planet by recycling waste and growing plants or vegetables

Please i need the answer quickly

Answers

Answer:

C.

Explanation:

it can't be considered due to the changes of oxygen levels,species from the ecosystem will get affected.

154. Two parent Holstein (black-and-white) cattle have multiple offspring. The fur ranges from black only, white only, and black and white. Which process best explains the variations in the offspring?
A. independent assortment
B. dominance
C. gene linkage​

Answers

Answer: independent assortment

The Principle of Independent Assortment describes how different genes independently separate from one another when reproductive cells develop.

All of the following are features associated with the earliest members of the genus Homo (e.g., Homo habilis), EXCEPT. Group of answer choices the making of stone tools a more dextrous, less powerful grip 30% larger brain capacity than previous hominins the making of fire

Answers

The option which is not one of the earliest members of the genus Homo is : ( D ) The making of fire

Description of Homo Habilis

Remains of Homo habilis were first discovered in Tanzania in 1959 and are believed to have lived between 1.5 million years to 2.3 million years, tools made from stones were found close to their remains therefore  scientist believed they had the ability of making tools from stone.

Homo habilis had larger brains and  ape like hand structures which were dextrous.

Hence we can conclude that The option which is not one of the earliest members of the genus Homo is The making of fire.

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Answer really quick please

Answers

I believe it’s C! Hope this helps
It’s between c and b gl

What does the sequence of amino acids tell you about an organism and its relationship to another?
Would they be similar or different? Why?

Answers

Answer: Because the amino acid sequence of a protein is determined by its DNA sequence, a gene shared by two closely related animals should have amino acid sequences that are similar, if not identical. Because closely related species split from one another very recently in the evolutionary timeline, this is the case.

Explanation: hope this helps you <33

On average, women:
carry more body fat than men.
tend to carry extra weight around their bellies.
usually have around 14% body fat and men have around 22%.
None of the choices are correct.

Answers

On average, women tend to carry extra weight around their bellies. Thus, option "B" is correct.

What is belly fat?

An excess in fat will cause it deposited in various parts of the body. One of the locations is the visceral part of the digestive system in the belly. This will cause the belly to look bloated and called "beer belly" or "central obesity". The fat is also located in the subcutaneous part of the skin.

Thus, option "B" is correct.

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how could the natural process process affect evolution

Answers

Natural selection can be lead to speciation, when one species gives rise to a different species

Which describes a feature of the physical changes of all substances? can dissolve in water can conduct heat and electricity rearranges atoms to form new substances does not change the identity of a substance

Answers

Answer:

does not change the identity of a substance

Explanation:

when a substance undergoes a physical change, the molecules move further apart but the chemical structure of the molecule does not change

Dissolving in water can conduct heat and electricity and rearranges atoms to form new substances but does not change the identity of a substance are some examples that describe physical changes.

What are physical changes?

The changes can be physical and chemical. Physical changes occur when the physical properties changes. The changes can be of many types such as changes in colour, solubility, and change in the state of matter. Change of solid state to a liquid state, liquid state- to vapour and solid state -to vapour.

Neither the chemical nature nor the composition of the matter changes during the physical change. Rearrangement of the molecules takes place during the physical change without affecting the chemical composition of the matter.

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The main regulator of carbon dioxide in the atmosphere because carbon dioxide dissolves easily in it

Answers

The ocean is the main regulator of co2 in the atmosphere because co2 can dissolve easily in it

place help my plase and thanks.

Answers

"We may not know about all organisms present in the ancient world since not all organisms on Earth can be fossilized". The best statement is that Organisms that have soft bodies decay before they fossilize.

What are the soft body animals?

The animals represented via way of means of those newly found fossils, which include sponges, annelid worms, mollusks, and horseshoe crabs, lived at some stage in the Ordovician length among 480 million and 472 million years ago, making them the oldest ever found at some stage in this length.

For a soft-bodied animal to be fossilized, its frame should be blanketed from decomposition. The frame is typically uncovered to air and water with quite a little oxygen, so it decomposes rapidly. The animal is probable to be fossilized best if it's miles buried quickly after it dies (or whilst it's miles buried may be fossilized.

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There are two different species of finch that live on the same small island, species a and species b. both species successfully feed and reproduce on the island. species a nests in pine trees and eats large seeds. species b nests in hollowed-out dead logs and eats small insects. both bird species a and species b can most likely survive on the same small island because they

Answers

Answer:

both bird species can live on the same island because they live in different environments of the island meaning they don't have to fight over the same resources. Meaning both bird species can survive.

Explanation:

When an insect touches the bristles on the lobes of a Venus flytrap, the lobes close quickly, engulfing the insect. The movement of the insect inside the lobes causes the flytrap to secrete digestive enzymes that kill the insect. Which type of relationship does this describe?
competition
parasitism
predation
commensalism

Answers

The type of relationship that describes this kind of ecological interaction is known as predation (Option C).

What is predation?

Predation is a type of ecological relationship where one species is benefited whereas the other is harmed.

The species that is benefited from this interaction (predation) is called the predator, whereas the species harmed is the prey.

In conclusion, the type of relationship that describes this ecological interaction is predation.

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Answer:

C

Explanation:

100% on pretest!

Valeriie.07 on IG

The most likely reason there are no colonies in cultures of this species at PH 4 and at Ph 10 is that

Answers

The most likely reason there are no colonies in cultures of this species at pH 4 and at pH 10 is that the species needs neutral pH to survive, not surviving at acidic or basic pH.

How are bacteria classified according to pH?

Regarding pH tolerance, bacteria can be classified into three categories:

neutrophilsacidophilesand alkalinophiles.

What is the neutral pH value?

pH is the unit of measurement that describes this degree of acidity or alkalinity, measured on a scale of 0 to 14. Any pH below 7 is considered acidic and any pH above 7 is considered basic, or alkaline. A pH of 7 is neutral, which is neither acidic nor basic.

With this information, we can conclude that The most likely reason there are no colonies in cultures of this species at pH 4 and at pH 10 is that the species needs neutral pH to survive, not surviving at acidic or basic pH.

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PLEASE I NEED HELP QUICKLY

The Water Cycle​

Answers

Answer:

1. Evaporation

2. Transpiration
3. Condensation
4. Precipitation
5. Surface Runoff
6. Percolation
7. Reservoir

Explanation:

I hope this helps! :)

. What does the endosymbiotic theory state about the origins of mitochondria and chloroplast?
*
a. They were once free-living bacteria.
b. They evolved into free-living bacteria.
c. They increased in size and became eukaryotic cells.
d. They developed from eukaryotic cells that decreased in size​

Answers

Answer:

some of the organelles in eukaryotic cells were once prokaryotic microbes

C

Explanation:

During ____________ , an enzyme removes a ____________ functional group from the monomers of one organic molecule and a hydrogen from another monomer, linking monomers together to form a ____________ . This chemical reaction also forms ____________ .

Answers

During dehydration synthesis, an enzyme removes a hydroxyl  functional group from the monomers of one organic molecule and a hydrogen (H) from another monomer, linking monomers together to form a polymer. This chemical reaction also forms water molecules as byproducts.

An enzyme removes a hydroxyl (-OH) group from one monomer and a hydrogen (H) from another during dehydration synthesis, allowing the monomers to form a polymer. This mechanism bonds monomers covalently and produces water molecules. Complex biological components including proteins, nucleic acids, and carbohydrates depend on dehydration synthesis.

Eliminating water molecules strengthens chemical connections, making it easier to assemble bigger structures from smaller components. This response aids energy storage, structural stability, and information flow in living things.

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Where does bone formation occur during endochondral ossification?.

Answers

Answer:

Endochondral ossification is the process of bone formation in which cartilage scaffolds, arranged in zones, are gradually replaced by bone. It occurs at the articular/epiphyseal and metaphyseal growth plates and at secondary centers of ossification, such as the carpal and tarsal bones.

Explanation:

Trust me i'm smart

What is a stimulus?
A. cells in the brain
B. something in the environment that affects organisms
C. a specialized type of cell in an organism
D. a product of photosynthesis

Answers

Answer:

B.something in the environment that affects organisms

Explanation:

B is the answer.

True or False, This climatogram could represent the location you are currently stuck in.

Climatogram and location picture below.

Answers

Answer:

ITS TRUE

Last week, the House Committee on Science, Space and Technology, chaired by climate contrarian Lamar Smith, R-Texas, held a hearing on climate science. The hearing featured three scientists who are dubious about the conclusions of the majority of climate scientists, and climate scientist Michael Mann, best known for his “hockey stick graph” of temperatures over the last thousand years illustrating the impact of humans on global warming.

The ___________ inside the bladder is formed by imaginary lines connecting the two ureter openings and the urethral opening.

Answers

Answer: internal sphincter

Explanation: a type of muscular valve. It helps prevent urine from leaking out.

Understand biological structures and the different human body systems

Answers

Answer:

The nine major organ systems in the human body are the integumentary system, the musculoskeletal system, the respiratory system, the circulatory system, the digestive system, the excretory system, the nervous system, the endocrine system, and the reproductive

hope it helps you

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