Answer:
Explanation:
Both organelles, the mitochondria and chloroplasts (in photosynthetic organisms), are compartments that are believed to be of endosymbiotic origin.A compartment is a separate space within a larger whole. In relationship to the endomembrane system and the nucleus.organelles that aren’t part of the endomembrane system, such as mitochondria and chloroplasts.Cellular compartmentalization allows cells to optimize the efficiency of the processes that occur within organelles. But despite the advantages of compartmentalization, it’s not a universal feature of life. In fact, compartmentalization of cellular functions into membrane-bound organelles is limited to only one of life’s three major groups, or domains. That domain is the one that we belong to, the Eukarya. In addition to animals, eukarya includes plants, fungi, and other organisms with eukaryotic cells: cells that are relatively large, complex, and compartmentalized. And to see why that is, we need to look at how life has diverged over time.
The process in which the cellular compartments are made are called as cell compartmentalization. Various species are having the different types of organisation such that the functioning is different as well.
What is the name of the primitive cell ?It is the prokaryotic cell in which the cell organelles are not well defined and with that the species are developing advanced features.
Prokaryotes have the cytoplasm in the scattered which the cell organelles are present in the cytoplasm and floating out there and compartmentalization is commonly described as a different feature of eukaryotic cells and is also present in the prokaryotic cells in form of protein-bounded along with the lipid-bounded organelles.
In the eukaryotic cells the compartmentalization is made by the use of pattern of internal membranes. These membranes surrounds the nucleus and create the folds of the endoplasmic reticulum along with Golgi complex and surround organelles like chloroplasts and mitochondria.
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sunlight can be considered a food resource
Answer:
yes it can
Explanation:
cause it creates
Answer:
Depends. I mean, the sun is necessary for our survival, since it's the thing that allows for plants to grow. I guess you can consider it a food resource.
two effects of climate change on the environment
Answer:
various factors of climate change can effect the environment
Explanation:
1. extreme heat - droughts, bushfires
2. flooding effects infrastructure
3. rising in sea levels
what are the main functions of the liver.
Answer:
1. Detoxification center
2. Production of bile
3. Storage of glycogen
4. Synthesis pf Proteins
5. Metabolism
6. Cholesterol production
7. Destruction of erythrocytes.
Explain the formation of sedimentary rocks?
Plz help me
Answer:
Clastic sedimentary rocks are made up of pieces (clasts) of pre-existing rocks. Pieces of rock are loosened by weathering, then transported to some basin or depression where sediment is trapped. If the sediment is buried deeply, it becomes compacted and cemented, forming sedimentary rock.... ༶•┈┈⛧┈♛♛┈⛧┈┈•༶Hope it helps you....Thanks....
༶•┈┈⛧┈♛♛┈⛧┈┈•༶What is the hypothesis of this experiment
1. What is one way that humans may have a negative impact on environmental change? 2. What is one way humans may have a positive impact on environmental change?
Answer:a negative impact is global warming due to the over use of fossil fuels. a positive impact is the way we control the food chains and keep overpopulation from other species from happening.
Explanation: look above
What are three clues that something you are reading is false
1. No credible source
2. Check if its a biased answer
3. Examine evidence
An organism's ___________ adaptations are its physical traits that help it survive in its environment.
Question 2 options:
abiotic
energy
behavioral
structural
The rats that came to Easter island are described as unintended stowaways who climbed aboard the ships. Because they are not originally from the island, they are considered a _____ series.
Answer:INVASIVE
Explanation:
Which statement describes a newton? It exists only for objects on Earth. It measures the mass of an object. It reflects the amount of force an object exerts. It states that every object attracts another object.
Answer:
It reflects the amount of force an object exerts
Explanation:
A newton is a unit of force that will accelerate one kilogram of mass one meter per second squared.
Answer:
its C
Explanation:
DNA replication occurs in the ____ phase of the cell cycle.?
Answer:
S phase! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! hope this helped
What is the relationship between temperature and abundance life
Answer:
As average temperatures at the Earth's surface rise, more evaporation occurs, which, in turn, increases overall precipitation. Therefore, a warming climate is expected to increase precipitation in many areas.
Need help i don't understand
Answer:
I don't have answer to this but i'll make you understand it says how Robert Hooke finding is different from the other scientists like schleiden ? what do you prove the discoveries of the scientific world ? you just have to type that in the Blank space.
Populations of different species all living and interacting in the same area.
What causes the seasons
The tilt and rotation of the earth as it orbits the sun.
Please help me with this task, it should be mini essay with own words
1) Identify an acid/base reaction that humans use in everyday life. Describe how the reaction
works and why it is beneficial to humans.
Answer:
An example of a base that humans use in day to day life is things such as cleaners, a strong base is beneficial to humans in this way because it can dissolve grease and protein. On the other hand acids are very important as well because strong acids can be found in the human stomach, we would not be able to digest food without this acid presence
Explanation:
Hope this helps!
After Gerry mows his lawn, he often puts the grass clippings into his flower garden. How will this affect his garden?
A. It will decrease the amount of carbon in the soil and decrease the amount of carbon dioxide released by decomposers.
B. It will increase the amount of carbon in the soil and decrease the amount of carbon dioxide released by decomposers.
C. It will decrease the amount of carbon in the soil and increase the amount of carbon dioxide released by decomposers.
D. It will increase the amount of carbon in the soil and increase the amount of carbon dioxide released by decomposers.
Answer:
D.
Explanation:
I don't really have an explanation for this but here is the answer!! <3
Which chracteristic is used for cell-cell conmunication
Answer:
Cells typically communicate using chemical signals.
Explanation:
hope this helps :)
ANSWER FAST PLEASE According to Dalton’s theory, why are carbon and oxygen differ.ent elements?
According to the Dalton's theory, carbon and oxygen are different elements because they are made up of different atoms which have different numbers of proton and neutrons.
What is Dalton's theory?John Dalton proposed his modern theory of atoms in 1803. He discovered atom, which is the smallest unit of particle. This theory is also known as the atomic theory of matter.
In this theory, he stated that every single atom of an element, such as sodium, is same as the other atoms of the same element. He also stated that the atoms of one element differ from the atoms of other elements. This theory is mostly found to be true. For example: A sodium atom is different from a carbon atom.
However, his theory was found to be found as the atoms present in the elements are found to be divisible into even smaller particles like protons, neutrons, and electrons.
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6. List and describe 8 part of prokaryote cells.
Answer:
Prokaryotes explanation
Explanation:
Prokaryotes are single-celled organisms that are the earliest and most primitive forms of life on earth. As organized in the Three Domain System, prokaryotes include bacteria and archaeans. Some prokaryotes, such as cyanobacteria, are photosynthetic organisms and are capable of photosynthesis.
Many prokaryotes are extremophiles and can live and thrive in various types of extreme environments including hydrothermal vents, hot springs, swamps, wetlands, and the guts of humans and animals (Helicobacter pylori).
Prokaryotic bacteria can be found almost anywhere and are part of the human microbiota. They live on your skin, in your body, and on everyday objects in your environment.
Prokaryotic Cell Structure
Bacterial Cell Structure
Bacterial Cell Anatomy and Internal Structure. Jack0m/Getty Images
Prokaryotic cells are not as complex as eukaryotic cells. They have no true nucleus as the DNA is not contained within a membrane or separated from the rest of the cell, but is coiled up in a region of the cytoplasm called the nucleoid.
Prokaryotic organisms have varying cell shapes. The most common bacteria shapes are spherical, rod-shaped, and spiral.
Using bacteria as our sample prokaryote, the following structures and organelles can be found in bacterial cells:
Capsule: Found in some bacterial cells, this additional outer covering protects the cell when it is engulfed by other organisms, assists in retaining moisture, and helps the cell adhere to surfaces and nutrients.
Cell Wall: The cell wall is an outer covering that protects the bacterial cell and gives it shape.
Cytoplasm: Cytoplasm is a gel-like substance composed mainly of water that also contains enzymes, salts, cell components, and various organic molecules.
Cell Membrane or Plasma Membrane: The cell membrane surrounds the cell's cytoplasm and regulates the flow of substances in and out of the cell.
Pili (Pilus singular): Hair-like structures on the surface of the cell that attach to other bacterial cells. Shorter pili called fimbriae help bacteria attach to surfaces.
Flagella: Flagella are long, whip-like protrusions that aid in cellular locomotion.
Ribosomes: Ribosomes are cell structures responsible for protein production.
Plasmids: Plasmids are gene-carrying, circular DNA structures that are not involved in reproduction.
Nucleoid Region: Area of the cytoplasm that contains the single bacterial DNA molecule.
Prokaryotic cells lack organelles found in eukaryoitic cells such as mitochondria, endoplasmic reticuli, and Golgi complexes. According to the Endosymbiotic Theory, eukaryotic organelles are thought to have evolved from prokaryotic cells living in endosymbiotic relationships with one another.
Like plant cells, bacteria have a cell wall. Some bacteria also have a polysaccharide capsule layer surrounding the cell wall. This is the layer where bacteria produce biofilm, a slimy substance that helps bacterial colonies adhere to surfaces and to each other for protection against antibiotics, chemicals, and other hazardous substances.
Similar to plants and algae, some prokaryotes also have photosynthetic pigments. These light-absorbing pigments enable photosynthetic bacteria to obtain nutrition from light.
Binary Fission
E. coli Bacterium Binary Fission.
E. coli bacteria undergoing binary fission. The cell wall is dividing resulting in the formation of two cells. Janice Carr/CDC
Most prokaryotes reproduce asexually through a process called binary fission. During binary fission, the single DNA molecule replicates and the original cell is divided into two identical cells.
Steps of Binary Fission
Binary fission begins with DNA replication of the single DNA molecule. Both copies of DNA attach to the cell membrane.
Next, the cell membrane begins to grow between the two DNA molecules. Once the bacterium just about doubles its original size, the cell membrane begins to pinch inward.
A cell wall then forms between the two DNA molecules dividing the original cell into two identical daughter cells.
Although E.coli and other bacteria most commonly reproduce by binary fission, this mode of reproduction does not produce genetic variation within the organism.
Prokaryotic Recombination
Bacterial Conjugation
False-color transmission electron micrograph (TEM) of an Escherichia coli bacterium (bottom right) conjugating with two other E.coli bacteria. The tubes connecting the bacteria are pili, which are used to transfer genetic material between bacteria. DR L. CARO/Science Photo Library/Getty Images
Genetic variation within prokaryotic organisms is accomplished through recombination. In recombination, genes from one prokaryote are incorporated into the genome of another prokaryote.
Recombination is accomplished in bacterial reproduction by the processes of conjugation, transformation, or transduction.
Capsule, cell wall, cell membrane, pilus, flagella, ribosomes, nucleoid, and plasmids are the parts of prokaryotic cells.
What are the parts of prokaryotic cells?Single-celled creatures known as prokaryotes are the earliest and most basic living forms on Earth. Bacteria and archaeans are prokaryotes, which are classified according to the Three Domain System. Some prokaryotes are photosynthetic creatures and can do photosynthesis, such as cyanobacteria.
Prokaryotic bacteria are ubiquitous and comprise a significant portion of the human microbiome. They exist on your skin, inside your body, and on commonplace items in your surroundings.
Bacteria, as a sample prokaryote, its cells have the following organelles and structures:
Capsule: Found in some bacterial cells, this extra outer layer aids in moisture retention, prevents the cell from being swallowed by other organisms, and aids the cell's adherence to surfaces and nutrients.Cell Wall: The bacterial cell's cell wall serves as both a protective barrier and a structural component.The cell membrane: also known as the plasma membrane, protects the cytoplasm of the cell and controls how substances enter and exit the cell.Pili (Pilus singular): Surface-mounted, hair-like structures that connect to other bacterial cells. Fimbriae, which have shorter pili, aid bacterial attachment to surfaces.Flagella: Long, whip-like protrusions called flagella assist cells in moving about.Ribosomes: Ribosomes are the parts of cells that make proteins.Nucleoid: They are the part of the cytoplasmic region that carries a single molecule of bacterial DNA.Cytoplasm: Cytoplasm is an organic material that resembles a gel and is mostly made of water. It also includes enzymes, salts, and numerous cell components.Therefore, the capsule, cell wall, cell membrane, pilus, flagella, ribosomes, nucleoid, and plasmids are the parts of the prokaryotic cells.
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Most rocks on Earth began as which type of rock?
Answer:Well, rocks were originally sediments, which were compacted under high pressure. Igneous rocks formed when liquid magma or lava—magma that has emerged onto the surface of the Earth—cooled and hardened.
Explanation:
? 3. Explain why Surtsey provided ideal conditions for studying primary succession:
Answer:
Due to newly formed land.
Explanation:
Surtsey provided ideal conditions for studying primary succession because due to volcanic eruption all the vegetation and living organisms are destroyed from the surface and the land has no vegetation. Primary succession only occurs when the land is colonized for the first time after the formation of land due to natural disaster such as volcanic eruption etc. So we can say that Surtsey provided the conditions for observing primary succession.
what kind of bonds can form between two adjacent water molecules
Answer: Hydrogen bonds
Explanation:
7. Why is the visible spectrum important?
This makes it important to use instruments that can detect different wavelengths of light to help us to study the Earth and the Universe. However, since visible light is the part of the electromagnetic spectrum that our eyes can see, our whole world is oriented around it.
What are the controlled variables in a cell
Homologous pairs separate in meiosis , and sister chromatids separate in meiosis .
Answer:
Homologous pairs separate in first round of meiosis or meiosis 1
However,
sister chromatids separate in second round of meiosis or meiosis 2.
A group of students is setting up a test to see whether earthworms prefer rough or smooth surfaces which type of investigation is the group doing A.Comparative B. Descriptive. C. Controlled. D. Experimental
Answer: The answer is A. Comparative
Explanation: The photo shows two different types of soil with the same type of worm. Therefore this it a comparative experiment. Trust me I got this question correct.
Answer:
its actually experimental, i put in comparative and it was wrong
Explanation:
an organism has a haloed number of 20. what is the organism's diploid number?
Answer:
The organism's diploid number is 40.
Explanation:
Haloed means half and Diploid means double of half. So in this case if it's haloed is 20, 20*2=40. The diploid number is 40.
After several miles of running and sprinting in intervals, the runner’s muscles ache and feel fatigued. Which is the best explanation for what has occurred?
The runner's muscles have accumulated lactic acid.
The runner’s body has failed to perform cellular respiration.
The runner’s cells are relying completely on aerobic respiration.
The runner’s muscles have accumulated carbon dioxide.
Answer:
A
Explanation:
Just did the Unit Test
When the body is subjected to vigorous exercise, lactic acid tends to build up in the muscles, hence, the most probable explanation for the fatigue felt by the runner is the accumulation of lactic acid in the runner's muscle
When the body is subjected to vigorous exercise such as running several miles as performed by the subject in the question, lactic acid accumulates temporarily in the muscles. This temporary build up of lactic acid in the muscles causes feeling of fatigue or weakness as the body tends to become short of oxygen required to breakdown the glucose in the blood.Therefore, the runner most probably has accumulated lactic acid in his muscles.
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A (Freud-influenced) psychologist coming from a psychoanalytic or psychodynamic perspective is most likely to say: "Science must be rooted in observation of behavior, rather than introspective processes." "A person needs unconditional love and acceptance in order to reach her true potential." "A person's behavior reflects unconscious conflicts and emotions that result from early childhood experiences." "Emotional responses reflect biological processes such as hormones and brain chemistry."
Answer:
"A person's behavior reflects unconscious conflicts and emotions that result from early childhood experiences."
Explanation:
Psychoanalytic perspective: In psychology, the term "psychoanalytic perspective" was proposed by Sigmund Freud. The main idea of psychoanalytic perspective is to focus on the significance of an individual's unconscious mind rather than his or her conscious mind. However, it specifies that an individual's behavior is being governed by his or her past experiences or childhood experiences.