In What Ways Are Active Transport, Endocytosis, And Exocytosis Similiar (2023)

Biology Middle School

Answers

Answer 1

Explanation:

While cells facilitate the transport of molecules via movement across the cell membrane, there many different mechanisms. These include passive diffusion, facilitated diffusion, active and passive transport. However some very large molecules require specialized type of active transport, which requires energy in the form of ATP, in order to move substances across the membrane against their concentration gradient, this includes endocytosis and exocytosis.

Further Explanation:

Active transport is a mediated process that requires an energy input and the use of specialized membrane proteins to move against the concentration gradient. These proteins require energy in the form of adenosine triphosphate or ATP in order to facilitate necessary conformational changes to the large protein molecules to alter the spatial location of the molecule. For instance, with Na+, K+ pumps in cell membranes.
During endocytosis large molecules cells and cell fragments moved across the plasma membrane through a process of invagination; piece of the external cell membrane falls into itself and forms a small pocket that surrounds the target molecule, this breaks off from the membrane to form an intracellular vesicle. Different methods of endocytosis such as Phagocytosis, Pinocytosis and receptor-mediated endocytosis, take in cells, water and targeted substances respectively. During phagocytosis, cells engulf large particles into compartments in the cell called phagosomes, after which they are broken down by specialnlysosomes containing enzymes.
In exocytosis, large particles (proteins, neurotransmitters, waste material etc.) are surrounded by a phospholipid membrane in a vesicle. However, this membrane is formed in the cytoplasm, and attaches to the plasma membrane’s interior in a process opposite to endocytosis; material is removed from the cell and exported into the cell’s exterior called the extracellular space.

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Related Questions

What scientific term is a well-tested explanation for a set of observations or experimental results? method law conclusion theory

Answers

Answer:

The correct option is D. Theory

Explanation:

The scientific method of research begins with a question.

To answer this question, a hypothesis is made. A hypothesis can be described as a tentative statement which is testable.

To test the validity of a hypothesis, observations and experiments are made. Based on the results from the observations and experiments, results are drawn and conclusions are made.

A scientific theory is a wide description for a hypothesis which is well tested again and again by observations and experiments. However, with time a scientific theory might change if new researchers are made.

Answer:

Theory

Explanation:

If a tRNA molecule has an anticodon which reads AUG, what was the codon of the mRNA molecule?

Answers

Answer:

The codon of the mRNA was UAC.

Explanation:

We all know that bases of anticodon of tRNA are complementary to the bases present in mRNA or messenger RNA . The codon anticodon interactuion bring the amino acid specific for that codon in acceptor arm of tRNA.

If an anticodon reads AUG the the codon was UAC because U is complementary to A, A is complentary to U and C is complementary to G.

What does population growth mean? Question 1 options:

How quickly a population is increasing

How quickly a population is decreasing

How quickly a population is increasing or decreasing

Answers

How quickly a population is increasing or decreasing

What does population growth mean how quickly a population is increasing or decreasing.

Explanation:

The growth of a population can be positive or negative meaning the population could be increasing or decreasing respectively.

When a population is increasing the birth rate is higher than the death rate. However, when a population is decreasing the population's death rate is higher than the birth rate.

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What type of energy is missing from the diagram? A)thermal energy B)nuclear energy C)radiant energy D)electrical

Answers

The type of energy missing from the diagram is thermal energy. So the correct option is A.

What is thermal energy?

The kind of energy present in a system that is responsible for its temperature is called thermal energy. The flow of thermal energy is heat. Thermodynamics is a branch of physics, that deals with the transfer of heat between different systems and the work is done in the process.

Answers

Answer:

The non- template strand will have the same sequence as the mRNA except, Thymine, T, will be replaced by Uracil, U, in the mRNA. The orientation will also be the same.

Hence, the mRNA sequence will be

5' AUGCCAGUCAUC 3'

This is because both the non- template strand and the mRNA are complementary to the template strand. Hence, they will have the same orientation as well as sequence except for thymine and uracil.

What can embryos tell us about evolution

Answers

Answer:

Embryology can be described as a branch of biology in which studies about the fertilization, formation, growth and development of embryos are made.

The study of the embryos can help us understand the evolutionary histories among different organisms. By comparing the stages of development of embryos of different organisms, we can find which embryos have similar methods of development and hence, are closer to one another on the evolutionary tree.

Coral reefs are some of the most biodiverse ecosystems in the world. What term describes all the species that live in the coral reef ecosystem?

A. Community
B. Population
C. Individuals
D. Symbiotic

Answers

Answer:

Explanation:

because it does not have specific animals it has all animals that live there

The beak of this hummingbird is uniquely suited to drink from this very deep flower. Which term best describes the type of relationship shown below?

A. Co-evolution

B. Commensalism

C. Predator - prey

D. Parasitism

Answers

Answer:

Co-evolution best describes the type of relationship shown below

Explanation:

Co evolution can also be termed as the common adaptation of two or more species, their genes, traits and the as a group or pair of organs. Due to the same pressure on both the species it occurs, when they undergo same natural selection. The humming bird is also the same example, which has been adapted to the various shapes of the beaks that are used to extract the nectar and flowers are evolved to generate tasty nectar for these humming bird.

Is the involuntary movement of the muscles that move food through the digestive system.

Answers

Answer:

Peristalsis is the involuntary movement of the muscles that move food through the digestive system.

Explanation:

Peristalsis is a reflex response.
It is initiated when the gut wall is stretched by the contents of the lumen.
Peristalsis occurs in all parts of the gastrointestinal tract from esophagus to the rectum.
It actually refers to the ringlike contraction of the circular smooth muscle that move progressively forward pushing the bolus.
It involves coordinated contraction and relaxation above and below the food bolus so that the bolus is pushed forward instead of being pushed back.

Answer:

A-Peristalsis

Explanation:

Trust me me big brain

What is the universe composed of ?

Answers

The Universe is composed almost completely of dark energy, dark matter, and ordinary matter. Other contents are electromagnetic radiation (estimated to constitute from 0.005% to close to 0.01% of the total mass-energy of the Universe) and antimatter.

hope this helps :)

Answer: atoms

Explanation:

Which best matches the description with the genetic material? Nucleotides form a helical structure that is called a gene.
Chromosomes are located in the cytoplasm.
Chromosomes create genes.
DNA is located in the nucleus.

Answers

Answer:

The correct answer is DNA is located in the nucleus.

Explanation:

DNA or deoxyribonucleic acid act as genetic material in most organism.The genetic information of DNA is stored within the nucleotides that it contains.

DNA is located in chromosome that is present in the nucleus which builds the genetic blueprint of the cell.

A sample of helium has a volume of 3 liters when the pressure is 500 torr. What volume does the gas occupy at 300 torr?

Answers

Answer:

The volume of the gas is 5 liters. See the explanation below , please.

Explanation:

We use the Boyle-Mariotte´s Law (we consider that the temperature is constant according to the given statement):

P initial x V initial = P final x V final

500 torr x 3 liters = 300 torr x V final

V final= (500 torr x 3 liters)/300 torr = 5 liters

What are the lines on a weather map that connect places of equal pressure called A. isobars
B. isotherms
C. pressure of gradient forces
D. latitude lines

Answers

Answer: A- Isobars

Explanation:Isobars represent patterns of pressure. They show how pressure is changing over space and can help describe the large scale weather patterns across a region in the map.

Answer:

A. Isobars

Explanation:

Isobars are lines of equal atmospheric pressure drawn on a meteorological map

If an organism has more specialized cells, its cells “___” Which phrase best completes the sentence?

A.have their own function
B.can survive on their own
C.do not have any function
D.are all the same

Answers

Answer:

Hello!

Your answer is A. have their own function.

Specialized cells are cells that have a specific function in the body of a multicellular living being. These cells can function to form tissues, organs, muscles, bones and other body structures.

An example of a specialized cell is a stem cell!

I hope this helps!

Have a great day!

What is the current environmental protection agency plan for addressing global warming issues

Answers

The current projects of the Environmental Protection Act is to reduce the carbon footprint in the atmosphere which is responsible for the climate changes.

Explanation:

Environmental protection act is working to reduce greenhouse gases in the year 2020. And its its energy use and the fuel consumption for climate change in the atmosphere.

Environmental protection act is the independent agency of the US federal government for the environmental protectio. It has the responsibility of maintaining and enforcing the national standards under the variety of environmental law.

Which is an example of a way that intercellular commination occurs? A. a signal is transmitted into action for a muscle cell to contract.

B. A molecule is transmitted from one part of a cell to another to cause a response.

C. A molecule is sent through the plasmodesmata of a plant cell

D. A signal is sent down an exon within a nerve cell

do you think y'all can help?

Answers

Answer:

D. A signal is sent down an exon within a nerve cell

Explanation:

Once a human is infected with a virus, bacterium, fungus, or parasite, how do these organisms cause disease? A. They only affect the human's future offspring.
B. They interfere with the human's normal body functions.
C. They decrease the human's basic needs.
D. They increase in size until they are larger than the human.
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Answers

Answer:

Once a human is infected with a virus, bacterium, fungus, or parasite they interfere with the human’s normal body function .

Explanation:

The infection due to the pathogen are not always end up as a disease. Infection occurs when any pathogen comes inside the human body it can be virus, bacteria or can be fungus, and starts multiplying by getting suitable environment as well as the host. The microbes sometimes challenges the immune system and lowers the resistance power the body. So, as viruses does by killing the fighter cells and also by disrupting the general cell functions.

3.Is it possible to determine the DNA sequence from the following amino acid sequence: Leu Pro Arg? Why or Why not

Answers

Yes DNA sequence can be determine from the amino acid sequence.

Many different base pair will form these three amino acids.
Each three base sequence of the mRNA, called a codon.

What is codon?

A codon is a DNA or RNA sequence of three nucleotides that forms a unit of genomic information encoding a particular amino acid or signaling the termination of protein synthesis (stop signals)
There are 64 different codons: 61 specify amino acids and 3 are used as stop signals.
The ribosome, that comes through and reads that genetic code.
There are Four codons: Ala, Gly, Pro, Thr, Val.

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Answer:

Each three base sequence of the mRNA, called a codon, is read by the ribosome, and the appropriate amino acid is inserted into the growing protein. If you have only a DNA sequence, to find the corresponding amino acids first transcribe your DNA sequence into an RNA sequence using complimentary base pairing.

Explanation:

The image shows a fossil that is hard like rock but that resembles a tree. A petrified log. Which statement explains how this type of fossil differs from a trace fossil? This fossil reveals the activities of an organism. This fossil was created in solidifying sediment. This fossil is an impression left by an organism. This fossil was an organism that has been turned into rock.

Answers

Answer

This fossil was an organism that has been turned into rock.

Explanation:

I just took the test and got it right :D hope this helps!!

Answer:

This fossil was an organism that has been turned into rock.

Explanation:

What are the causes of global warming

Answers

Answer:

Polution

Explanation:

accumulation in the atmosphere of greenhouse gases, especially those resulting from humans burning fossil fuels, is the predominant cause.