a substance moving from outside the cell into the cytoplasm must pass through __________.
Answers
A substance moving from outside the cell into the cytoplasm must pass through the plasma membrane or cell membrane. It is a biological barrier that isolates and safeguards the interior of all cells from the external environment.
Living cells physically separate the internal parts from the extracellular medium by enclosing the cytoplasm in a plasma membrane. Additionally, the plasma membrane functions as an anchor for the cytoskeleton, giving the cell structure, and as a point of attachment for the extracellular matrix and neighboring cells, holding the cells together to form tissues. In addition to having a cell wall that supports the cell mechanically and prevents the passage of bigger molecules, fungi, bacteria, the majority of archaea, and plants also have one.
The transport of substances necessary for survival is made easier by the plasma membrane's selective permeability and ability to control what enters and leaves the cell. Active transport requires the cell to use energy to move the material across the membrane, as opposed to passive transport, which occurs without the contribution of cellular energy. The membrane also preserves the potential of the cell. Thus, the plasma membrane functions as a picky filter that only permits particular items to enter or leave the cell.
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Related Questions
Of the molecules, which has the greatest chemical potential energy? glucose water sodium chloride carbon dioxide alanine
Answers
Glucose has the greatest chemical potential energy.
What is potential energy?Potential energy in physics is the energy that an item retains as a result of its position in relation to other objects, internal tensions, electric charge, or other elements.The gravitational potential energy of an object, which is based on its mass and distance from another object's center of mass, the elastic potential energy of an extended spring, and the electric potential energy of an electric charge in an electric field are examples of common types of potential energy.What is molecules?According to the context, the term may or may not include ions that meet this requirement. A molecule is a collection of two or more atoms held together by attractive forces known as chemical bonds. When speaking of polyatomic ions, the distinction between them and ions is frequently ignored in the fields of quantum physics, organic chemistry, and biochemistry.The term "molecule" is frequently used to refer to any gaseous particle, regardless of its composition, in the kinetic theory of gases. Since the noble gases are single atoms, the requirement that a molecule contain two or more atoms is relaxed.Learn more about potential energy here:
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during phase 1 of john bowlby’s conceptualization of attachment, what is most likely to occur?
Answers
During Phase 1 of John Bowlby's conceptualization of attachment, the most likely occurrence is the development of a bond between the infant and the primary caregiver.
This phase is often referred to as the "Pre-attachment" phase, which typically occurs during the first few months of life, from birth to around 2 to 3 months.
In this phase, infants are not yet attached to a specific caregiver but are predisposed to form bonds. They exhibit social behaviors such as smiling, cooing, and making eye contact, which are designed to elicit a response from the caregiver. Infants also show a preference for familiar faces and voices.
During Phase 1, the primary caregiver's role is to provide responsive and consistent care, meeting the infant's physical and emotional needs. This creates a foundation of trust and security for the infant, setting the stage for the subsequent phases of attachment development.
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I need help trying to Identify this animal
(Middle schooler)
Answers
Answer: procyon lotor
Explanation:
Answer:
It an raccoon
Explanation:
A raccoon is a grayish-brown American mammal that has a foxlike face with a black mask and a ringed tail.
( I hope this was helpful) >;D
Why does the lethal “b” allele affect more males than females?
Answers
In female mammalian cells, one X chromosome of the two would undergo random inactivation early in embryonic life, and therefore both males and females have a single active Y. with this the disease has a predilection in men because women do not carry the Y gene
What are the consequences of lethal alleles?Recessive lethal alleles cause death when they are homozygous. Death occurs at the stage when the product of this gene is needed. If the gene in question is responsible for the synthesis of a particular protein in early childhood, for example, the organism will die at that moment.
With this information, we can conclude that Y chromosome, is what guarantees the development of a male embryo and the lethal “b” allele
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Why is respiration essential for living things?
Answers
Answer:it is need so the exchange of gases can take place.
Explanation:
2. An acorn is eaten by a squirrel and the squirrel is eaten by an owl. Show this feeding relationship
as a food chain. Label the producer, carnivore and the herbivore. (6 points)
Answers
Answer:
Producer: Acorn
Herbivore: Squirrel
Carnivore: Owl
Explanation:
Keep in mind not all squirrels are herbivores but these are the ones commonly found and this is the answer in accordance with the question.
What substance gives plant their green color ?
Answers
Being prepared for severe weather can make a person feel safer and less fearful.
Select how the author supports this perspective in the text "Wild Weather."
The author explains how they feel about people who are not prepared for bad storms.
The author gives information on ways to prepare for different types of severe weather.
The author shares stories about different people who survived hurricanes and tornadoes.
The author tries to persuade their reader to move to places where wildfires don't occur.
Answers
Answer:B
Explanation:
Trust me
Name two natural resources that you think we are using faster than we can replenish?
Answers
Answer:
The Answer is Above The Image
Explanation:
pls Rate And BrainLiest
In which part of the cell do ribosomes perform protein synthesis? (1 point)
lysosome
cytoplasm
vacuole
nucleus
Answers
According to the research, the correct option is nucleus. The part of the cell where ribosomes perform protein synthesis is in the nucleus.
What is the nucleus?It is a membranous structure that is located both in the plant cell and in the animal cell that houses most of the material belonging to genetics.
In this sense, it exerts control over the activities of cells and to preserve the integrity of genes, DNA molecules, proteins and ribosomes are organized in it, which will serve for protein synthesis.
Therefore, we can conclude that according to the research, the correct option is nucleus. The part of the cell where ribosomes perform protein synthesis is in the nucleus.
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Photosynthesis !! And animal represent?
what does the left and side and right side mean ? The top and bottom in words of summary? And the evidence to support the meaning thanks:) !
Answers
Answer: Left side means that the plant autotrophs from the sunlight which means it get food. On the right side it means that the chloroplast in the plant cell is making photosynthesis. Down side means that the animal cellular respiration is that the animal cell is breaking down the food and making it into energy which sends it to the ATP which is the powerhouse of the cell.
Explanation:
How would you expand this model to include the effects of fishing on this population?
Answers
the growth that pushes a root down through the soil takes place through:_____.
Answers
Answer:
Cell elongation.
Explanation:
The growth that pushes a root down through the soil takes place through cell elongation.
Hope this helps!
What is one way that creativity made up for limited technology for early biologists?
Scientists created unique experiments for exploring living organisms without killing them.
Scientists personally designed the custom equipment they needed for their experiments.
Scientists were able to use their imaginations rather than experiments to answer questions.
Scientists developed advanced mathematics to compensate for limited technology.
Answers
Answer:
A
Explanation:
Edge2020
Which of these is an agent of wedging?
A. Plant roots
B. Acid rain
C. Carbon dioxide
D. High winds
Answers
option B: Acid rain is an agent of wedging.
Acid rain is an important factor in this process of weathering or wedging of rocks. A chemical reaction takes place when acidic rainfall contacts limestone or chalk. The reaction produces new, soluble molecules. These disintegrate in the water, are washed away, and cause the rock to weather.
What is wedging in science?
When fractures in rocks or other surfaces fill with water, freeze, and then expand, the cracks become larger and finally shatter. This process is known as wedging or weathering.
What results in acid rain?
When sulfur dioxide (SO2) and nitrogen oxides (NOX) are released into the atmosphere and carried by wind and air currents, it results in acid rain. Nitric and sulfuric acids are created when the SO2 and NOX react with water, oxygen, and other substances. Then, before hitting the ground, they combine with water and other substances.
The majority of the SO2 and NOX that contribute to acid rain originates from burning fossil fuels, however a tiny amount comes from natural sources like volcanoes.
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7. What types of biomolecules do you hypothesize are present in your unknown sample? (10 points) 8. What were your positive and negative controls for each biomolecule when testing the unknown? Explain why you chose each control. (10 points)
Answers
The types of biomolecules that may be present in the unknown sample could include proteins, carbohydrates, lipids, and nucleic acids.
Positive controls could include known samples of each biomolecule, while negative controls could include samples without the biomolecules or with a substance that would interfere with the test.
The types of biomolecules that may be present in the unknown sample depend on the source of the sample and the type of test being performed. Common biomolecules include proteins, carbohydrates, lipids, and nucleic acids.
Proteins are made up of amino acids and can serve various functions, including enzymes, structural support, and signaling.
Carbohydrates are made up of sugars and can serve as an energy source or play a role in cell recognition.
Lipids are composed of fatty acids and can serve as a source of energy or as a component of cell membranes.
Nucleic acids are composed of nucleotides and are involved in storing and transmitting genetic information.
When testing the unknown sample for each biomolecule, positive controls could include samples of each biomolecule that are known to be present, while negative controls could include samples without the biomolecules or with a substance that would interfere with the test.
For example, a positive control for testing for proteins could be a sample of pure bovine serum albumin, a commonly used protein standard. A negative control could be a sample of water or a solution containing a substance that would interfere with the protein test, such as a reducing agent like dithiothreitol.
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When an animal shows
dominance to gain a
rank/order in the herd?
Answers
Answer:
A Dominance hierarchy: a form of animal social structure in which a linear ranking exists, with each animal dominant over those below it and submissive to those above it in the hierarchy.
Need help please. Which statement describes the Chesapeake Bay?
*One of Virginia's major rivers flows into the Chesapeake Bay.
*The portion of the bay located in Virginia is on its east coast.
*Chesapeake Bay is one of the largest watersheds in Virginia.
*Less than half of Virginia's water drains into the Chesapeake Bay.
Answers
Answer: C I'd say
Explanation: The Chesapeake Bay is the largest estuary in the United States. The Bay is located in the Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula with its mouth of the Bay at the south end located between Cape Henry and Cape Charles. So tldr: C
which situation would most likely lead to allopatric speciation? which situation would most likely lead to allopatric speciation? flood causes the formation of a new lake. a storm causes several large trees to fall down. a mutation causes a new trait to develop. an injury causes an organism to seek out a new food source.
Answers
The situation which is most likely lead to allopatric speciation is (a) Flood causes the formation of a new lake.
Allopatric speciation refers to the formation of new species as a result of geographical isolation. In this case, the physical barrier created by the flood leading to the formation of a new lake can result in populations being separated from each other, preventing gene flow between them. The isolation of populations in different regions or habitats can drive divergence and the accumulation of genetic differences over time.
When a flood occurs and creates a new lake, it can physically separate populations that were previously connected. The individuals in each population will be exposed to different environmental conditions, selective pressures, and potential mating partners. Over generations, these distinct populations may undergo independent evolutionary changes due to genetic drift, natural selection, and other evolutionary processes.
The lack of gene flow between the isolated populations restricts genetic exchange and increases the chances of genetic divergence and accumulation of unique traits. Over time, the genetic differences and adaptations that arise in each population may become significant enough to prevent successful interbreeding, leading to the formation of new species.
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The scientific method ensures that results are bias-free
true
false
Answers
Is that my question guys about gizmos please answer to me question
Answers
Answer:
Two daughter DNA molecules are identical to parent DNA.
Explanation:
The two molecules are identical to each other because they are formed from the same parent DNA molecule. The daughter DNA molecules looks identical but having lower size as compared to DNA molecule. DNA replication is very important process because without DNA replication, no cell division occur and if no cell division occur, no growth occur. Some possible consequences of mutations are genetic disorders and dangerous diseases like cancer.
Read and answer the questions!!
Please I need help ASAP!!!
I will give brainlist to the first person!!!
1. What were Greg's signs and symptoms before the game and during the warm up?
2. Can you think of any reasons why Greg exhibited these signs and symptoms?
game. What problems do
3. Greg is taken to the hospital after being injured during the
will find with Greg when they examine him, or do you think he is only suffering from dehydration?
4. If you were a doctor in the Emergency Room, describe two tests you would run to determine Greg's problems.
For each test, predict the results you would expect.
Answers
Answer: 1. dizziness, loss of appetite, flushed, and sweaty.
2.Greg may be experiencing dehydration.
3. they will find an examine.
4. breathing test and oxygen levels
Explanation:
Which of the following would be an example of a cis acting eukaryotic gene regulatory element? a. enhancer b. metallothionein c. TATA binding protein c. RNA polymerase d. general transcription factors
Answers
The cis-acting eukaryotic gene regulatory element can be exemplified by enhancer.
Enhancers refer to the DNA regulatory sequences that occur outside the promoter region but can enhance the gene expression of a nearby gene. The enhancer sequence can be moved upstream, downstream, or even inserted inside an intron of the gene it regulates. Enhancers are made up of short sequence motifs, such as the Pribnow box and TATA box. The transcription factors bind to the enhancer sequence, which affects the DNA structure, allowing the RNA polymerase to transcribe the nearby gene.
The enhancer region is situated near the genes it regulates, often within the 5′ upstream region, but can also be inside introns. Transcription factors recognize the enhancer sequence and bind to the DNA. The enhancer affects the chromatin structure, and it enables the assembly of the transcriptional machinery. Enhancers can stimulate transcription from distances ranging from several hundred base pairs to as much as a few hundred kilobases. The action of enhancers is species-specific, tissue-specific, and developmentally regulated. Enhancers also play a significant role in the human genome's evolution.
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What would the cells boundaries and components be
Answers
The plasma membrane forms the cell boundary while the cell components include:
Mitochondria,Mitochondria,Golgi apparatus,Mitochondria,Golgi apparatus,Nucleus.The cell is the smallest functional unit of a living organism which can exist alone.
This is because it contains organelles which are membrane-bound and is surrounded by a membrane called plasma membrane.
The plasma membrane monitors the substances that moves in and out of the cell.
This characteristics makes it a semi-permeable membrane.
The cell components include:
Mitochondria: This is part of the cell where energy production reactions of cellular respiration takes place.Golgi apparatus: Synthesis, packaging and distribution of materials takes place in this cell component.Nucleus: This is the control center of the cell.Learn more here:
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Unit 5 lesson 1 and 2
Which of the following molecule is not involved in photosynthesis ie what was not mentioned
A glucose
B nadph
C fadh
D atp
Answers
FADH molecule is not involved in photosynthesis.
Photosynthesis is the process of synthesis of food by plants using carbon dioxide and water in presence of sunlight and chlorophyll. Oxygen (O2) is released during the process as a waste product. The energy from ATP and NADPH are used to fix carbon dioxide (CO2). So NADH is not a product of the light reaction of photosynthesis.
The main difference between NADH and FADH2 is that every NADH molecule produces 3 ATP molecules during oxidative phosphorylation whereas every FADH2 molecule produces 2 ATP molecules.
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which of the following statements about evolution and ecology is true? evolutionary processes and ecological processes can occur on similar time scales. evolution by natural selection is generally not mediated by ecological phenomena (such as predation).
Answers
Evolutionary processes and ecological processes can occur on similar time scales, and evolution by natural selection is often mediated by ecological phenomena, such as predation. Here option A is the correct answer.
Evolution and ecology are related fields of biology that are interconnected and affect each other. Evolutionary processes involve changes in the genetic makeup of populations over time, while ecological processes involve interactions between organisms and their environment.
These two processes can occur on similar time scales, as evolutionary changes can lead to ecological changes and vice versa. Furthermore, evolution by natural selection is often mediated by ecological phenomena, such as predation.
Natural selection is the process by which organisms with traits that are advantageous for survival and reproduction are more likely to survive and pass on their traits to the next generation. Ecological factors, such as predation, can select certain traits that confer survival advantages, such as speed, camouflage, or toxicity.
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Complete question:
Which of the following statements about evolution and ecology is true?
A - evolutionary processes and ecological processes can occur on similar time scales.
B - evolution by natural selection is generally not mediated by ecological phenomena (such as predation).
If the total energy does not change, then why did the skater stop? *
Answers
Answer:
The skater's total energy does not change (it remains the same as it was in the beginning) as he moves up the ramp. ... Potential energy was being used to get the skater to the bottom if the ramp. The skater's potential energy has been depleted at the bottom of the ramp, and is converted to kinetic energy.
Explanation:
What effect does adding solute have on the solute potential component (Ys)
Answers
Answer:
Adding more solute will increase the solute potential and decrease water potential by making it more negative.
Explanation:
What’s the meaning of biology biological, and biologically means? Or are they all mean the same. If they do not mean the same then explain.
Answers
Why is it important to study Physiology?
Answers
Answer:
It offers a radical expertise of everyday body feature, permitting extra effective treatment of unusual or ailment states.
Explanation: