Macromolecules or large particles are carried across the cell membrane via vesicles or other intracellular structures. Pinocytosis and efflux are the two types of vesicle transport.
How does a vesicle leave the cell with its cargo?Exocytosis is the process by which cells move components from within the cell to the extracellular fluid. Exocytosis occurs when a vesicle's plasma membrane fuses with it, expelling its contents outside the cell.
The Golgi, also known as the Golgi complex, is a flattening, layered organelle that looks like a stack of pancakes. The Golgi body modifies and packages proteins and carbohydrates into lattice vesicles for "exportation" from the cell.
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Consider a protein that is targeted to be excreted to the outside of the plasma membrane. Where would this protein be located in the endoplasmic reticulum?.
Answer: Consider a protein that is targeted to be excreted to the outside of the plasma membrane. Where would this protein be located in the Golgi? It will be embedded in the E.R. membrane with domain X facing the lumen of the E.R.
Explanation:
Which of the following best describes these biomolecules?
a. Molecule X and Molecule Y are both carbohydrates.
b. Molecule X is a nucleic acid, and Molecule Y is a carbohydrate.
c. Molecule X and Molecule Y are both nucleic acids.
d. Molecule X is a carbohydrate, and Molecule Y is a nucleic acid.
The following which best describes these biomolecules is that Molecule X is a carbohydrate, and Molecule Y is a nucleic acid and is therefore denoted as option D.
What is a Biomolecule?They are referred to as organic substances and are usually made from cells and living organisms. Examples include carbohydrate, nucleic acid etc.
Molecule X is referred to as a carbohydrate because it contains an aldehyde group and also elements such as carbon, hydrogen and oxygen while nucleic acids contain base pairs and a deoxyribose sugar as shown in the diagram below.
This is therefore the reason why option D was chosen as the most appropriate choice.
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What is similar for all organisms on Earth?
A. They all produce their own food.
B. They are all multicellular.
C. They all reproduce
D. They are all single-celled.
Answer:
C They All Reproduce...........
What path does a protein in the secretory pathway take, starting from its site of synthesis?.
Every protein starts its production in the cytoplasm. However, some are moved to other cellular locations while the majority remain there permanently. Post-translational transport may be used to import them into the mitochondrion, peroxisome, chloroplast, and nucleus.
Beginning with the intake of amino acids, which are utilized by the rough endoplasmic reticulum to create freshly produced proteins, the secretory route proceeds in a vectorial fashion. The Golgi complex receives these new proteins and processes and sorts them there. Protein cargo is transported from the ER to the Golgi, where it is altered before being transferred to various locations inside the cell, such as the lysosomes and the cell surface. Proteins produced by the endoplasmic reticulum (ER) are processed in the Golgi before being sent to the cell.learn more about protein here: https://brainly.com/question/10058019
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Mucosal cells make up the mucosa, which lines the lumen. Mucosal cells are in direct contact with food and harsh digestive secretions. How long do the mucosal cells live?.
Answer:Mucosal cells make up the mucosa, which lines the lumen. Mucosal cells are in direct contact with food and harsh digestive secretions. How long do the mucosal cells live?.
Explanation:
W
Which term matches this definition?
found in all cells and serves as the site for
protein synthesis
A. cytoplasm
B. DNA
C. eukaryote
D. ribosomes
Match them with the answers please and thank you brainless will be gives to the right person
Answer:
1) Alkali earth metals, group 2 - not as soft as Alkali metals. Reactive metals, but not as reactive as Alkali metals.
2) Nobel Gases, group 18 - Very unreactive nonmetals.
3) Alkali metals, group 1 - very reactive and soft metals.
4) Halogens, group 17 - very reactive nonmetals.
An organelle in the cytosol of the cell that attaches to mrna and reads the instructions is called a:_________
Write instructions for a specific task that you would like to teach someone.
This could be instructions on how to adjust settings on a phone or computer or how to cook/bake something
Or anything else you know how to do.
please help, i need to finish by tonight!!
Cellular respiration uses _______ and ________ to produce carbon dioxide, water, and energy.
Answer: glucose and oxygen.
Explanation:
What vitamin acts as a coenzyme in cell respiration and is important in alcohol fermentation?
Vitamin B1 also known as thiamine acts as a coenzyme in cell respiration and is also important in alcoholic fermentation.
Certain organic compounds are required in small amounts by our bodies but their deficiency of them causes diseases. Such compounds are known as vitamins.
The term vitamin comes from the two words vital and amine because some of them contain an amino group.
The vitamins are named after letters of the English alphabet like A, B, C, D, E, and K.
Vitamin B is of different types like B1, B2, B6, B12, etc.
Out of different types of Vitamin B, Vitamin B1(Thiamine) is the only one that acts as a coenzyme in cell respiration and is also important in alcoholic fermentation.
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Methylene blue is the basic dye that we will use to simple stain. what property does a basic dye have that allows it to penetrate a cell?
Different types of cells are frequently stained with methylene blue. Positively charged and a basic dye, methylene blue. When a basic dye is used for staining, it adheres to the cell wall and is referred to as a positive stain since most cells (such as bacteria) have a negative charge in their cell walls.
Therefore, a fundamental dye contains a positive chromophore that enables it to permeate and be effectively absorbed by the cells or organisms being stained and visualized under a microscope.Negatively charged DNA reacts with methylene blue, attracting a basic dye with a positive charge that colors the nucleus of cells.To know more about basic dye visit:
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Richard feels that the increasing use of fuels such a coal or diesel to generate electricity are leading to pollution in his neighborhood. He therefore decides to use solar energy as a source for generating electricity. Which device should Richard use?
The potential for solar energy is the highest of all the available renewable energy sources. The two main solar energy technologies are concentrated solar-thermal power (CSP) and photovoltaics (PV) (CSP).
Unlike fossil fuels, which will eventually run out, the sun has more than enough energy to supply the demands of the entire planet. The sole constraint on solar energy as a renewable resource is our capacity to efficiently and economically convert it to electricity. Some energy sources, as opposed to fossil fuels, are entirely renewable and don't release greenhouse gases. Solar energy, hydropower, wind, geothermal, and biomass energy are some of these green and sustainable alternative energy sources. The energy sources that are now available are quickly running out due to the rising demand for energy. Large-scale fuel use results in the release of many gases and undesirable airborne particulates.
Advantages:
The fact that solar energy is a completely renewable energy source is the most significant advantage of solar panels among all its other advantages.
Diverse ApplicationsLower Electricity Bills Low costs of maintenanceTechnological advancement.Learn more about Renewable energy sources
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How will energy from food, temperature, and electrical power be cycled through your biosphere?.
An ecosystem, also known as an ecological system, is made up of all the organisms
The bodily putting in which they stay. The nutrition cycles and strength flows connect those biotic and abiotic elements. Photosynthesis is how strength enters the device and is absorbed by plant tissue. Animals play a full-size element in the switch of substances and strength thru the device through ingesting plant life and each other. they also have an impact on the biomass levels of the microbial and plant communities.in addition to facilitating nutrient biking with the aid of reworking vitamins held in dead biomass back into a form that can be without difficulty utilized by vegetation and microorganisms, decomposers also release carbon into the atmosphere through the breakdown of useless organic remember. each inner and external impacts affect ecosystems. outside variables that don't at once affect an ecosystem, which include topography, parent fabric that creates the soil, and climate, control the environment's well known shape. internal variables are controlled
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Name 4 of the reasons why experts say teens decisions during the ages of 16-17 may be more dangerous than adults.
Teenagers can be impetuous, illogical, or dangerous at times. At times, it appears that teenagers do not completely comprehend the implications of their acts.
What is adolescence?
Adolescence is a period of growth and development that occurs between childhood and maturity. Adolescents are defined by the World Health Organization (WHO) as everyone between the ages of 10 and 19. This age group falls within WHO's definition of young people, which includes those aged 10 to 24.
Adolescence is defined in wider terms that include psychological, social, and moral terrain in addition to the strictly physical components of maturity. Adolescence in these civilizations is essentially equal to the phrase teenagers and refers to the period between the ages of 12 and 20.
Therefore, teenagers occasionally exhibit impulsive, illogical, or harmful behavior. At times, it appears like teenagers do not think things through or completely understand the ramifications of their actions.
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Epithelial membranes do not include? a. mucous membranes. b. cutaneous membranes. c. serous membranes. d. synovial membranes.
According to the given statement Epithelial membranes do not include synovial membranes.
The correct option is D.
What materials make up epithelial membranes?The epithelium that makes up the epithelial membrane is adhered to a layer of connective tissue, such as your skin. Additionally made up of connective and epithelial tissues is the mucous membrane.
Which four types of epithelial membranes are there?Epithelium and supporting connective tissue make up the thin structures known as epithelial membranes. They line body cavities and coat body surfaces. Serous, mucous, epidermal, and synovial membranes are the four different types of membranes.
What use does epithelial tissue function?The epithelium, which also lines the bodily cavity, creates the skin's outer layer. It creates the lining of the reproductive, digestive, and excretory tracts. They carry out numerous tasks, including absorption, defense, sensing, and secretion.
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What are representative organisms from the archea and eukarya, fungi, and protista?
In 1969, R.H. Whittaker proposed a classification of five kingdoms. His classifications of the kingdoms were Monera, Protista, Fungi, Plantae, and Animalia. He primarily uses cell structure, body organization, mode of nourishment, reproduction, and phylogenetic linkages as classification criteria.
Representative organisms of Archea: Pyrolobus fumarii, which has a maximum survival temperature of 113 °C (235 °F), and species of Picrophilus, which were isolated from acidic soils in Japan and are the most acid-tolerant creatures known—capable of growth at about pH 0—are all members of the archaea.
Representative organisms of Eukarya: Prokaryotes are single-celled microorganisms that lack nuclei, such as bacteria and archaea, while Eukaryotes, which include ourselves and all other animals, plants, fungi, and single-celled protists, have nuclei that serve to separate their DNA from the rest of the cell.
Representative organisms of fungi: Yeasts, rusts, smuts, mildews, molds, and mushrooms are all examples of fungi. Additionally, there are several fungus-like species that do not actually belong to the kingdom Fungi but are frequently referred to as fungi, such as slime molds and oomycetes (water molds).
Representative organisms of protista: The protists are a varied group of eukaryotes that are indistinguishable from fungi, animals, or plants. Amoebae, red algae, dinoflagellates, diatoms, euglena, and slime molds are among the creatures that belong to the kingdom of Protista.
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Why do signaling responses that involve changes in proteins already present in the cell?
Protein signalling reactions take milliseconds since they are already present in the cell, but gene expression reactions take hours. This occurs because both the protein and the modifying enzyme needed to change the protein are already present in the cell.
What role do proteins play in cellular signalling?The proteins known as receptors in cells attach to signalling molecules to start a physiological reaction. Different chemicals are unique to certain receptors. Nerve growth factor receptors bind nerve growth factor, insulin receptors bind insulin, dopamine receptors bind dopamine, and so on.
The intracellular receptor is the same in many different types of cells, but the collection of genes that the receptor controls varies depending on the cell type.
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While playing on the playground, a student accidentally gets kicked in the finger at a joint. She feels pain right away, and when she touches it, she can feel liquid moving around. What might have happened? The kick popped a bursa at that joint. Her dura mater separated from her pia mater. The kick tore the visceral layer of her synovial membrane. Her organs increased friction due to decreased serous fluid.
Answer: The kick popped a bursa at that joint.
Explanation: it just is
If an organism's single cell does not contain a nucleus, it can only be classified into the Archaea or Bacteria Kingdoms.
options:
True
False
Answer:
True
Explanation:
Prokaryotes or unicellular organisms, without a nucleus, are categorized in two different kingdoms: Eubacteria and Archaebacteria or simply, bacteria and archaea, respectively. Sometimes these two kingdoms are also clubbed together as Monera. Unicellular organisms with a nucleus are part of the kingdom Protista.
Which of the following is an example of evidence from comparative embryology that supports biological evolution?
Different species with similar development patterns
Similar species with different geographic distributions
Different species with similar metabolic processes
Similar species with different reproduction mechanisms
Answer: Similar species with different geographic distributions
Explanation:
Scientists sometimes build conceptual models rather than physical models because in some cases it is easier to experiment on a conceptual model than a physical model. true false
It is true that scientists sometimes build conceptual models rather than physical models because in some cases it is easier to experiment on a conceptual model than a physical model.
Conceptual models are ethereal, psychological depictions of proper task execution. In order to systematize processes, people employ conceptual models instinctively and intuitively.
Reasons why the answer is true:
First off, it's because it might occasionally be challenging or impossible to create a physical model of a naturally occurring occurrence. Second, since testing ideas on a conceptual model is sometimes simpler than testing them on a physical one. Thirdly, because in some circumstances conceptual model development is required before physical model construction.
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List ways in which plants sexually reproduce.
Flowering plants reproduce sexually through a process called pollination. The flowers contain male sex organs called stamens and female sex organs called pistils. The anther is the part of the stamen that contains pollen. This pollen needs to be moved to a part of the p
Can someone please help me?
Answer:
Explanation
put this in a better way
Explanation:
it's not clear snap it well
Are viruses s living organisms?
Use scientific principles
and knowledge that you
have about the topic to
explain why your
evidence (data) supports
your claim.
In other words, explain
how your data proves
your point?
(paragraph format)
Explanation:
actually virus are both living and non living organisms they are living when they are in a living cell and non living when they are on there own they are in-between the borders of living and non living things
Answer:
Viruses are yet not considered as living. They serve as the border between living and non living.
Explanation:
They are non cellular.They are inert crystalline structured outside a living cell (host cell).They can perform metabolic activities only inside a living cell.They are nucleoproteins covered with a layer of capsid and often infectious.They can be crystallized and will mostly consists of proteins. They have either RNA or DNA.How would you isolate the serum, and not the plasma, from the blood if you just withdrew a fresh vial of blood from the sheep without adding any anticoagulant?
To isolate the the serum, and not the plasma, from the blood if you just withdrew a fresh vial of blood from the sheep without adding any anticoagulant, you should let the blood sit for 10 minutes, then withdraw the top layer (serum). Hence, option b is correct.
Without using a centrifuge, whole blood can be separated from plasma or serum by simply letting it stand or just sit for about 10 minutes . All of the cells will eventually settle down due to gravity (if time is not the question). The supernatant is the plasma if citrated blood is allowed to stand in a tube.
The serum will eventually separate, though, if you leave the undiluted whole blood to stand. This might not be as useful if you are working with small amounts of blood, but you could still try it.
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Question correction:
How would you isolate serum, and NOT plasma, from the blood if you just withdrew a fresh vial of blood from a sheep without adding any anticoagulant to the blood?
a. Add anticoagulant and let the blood sit for 10 minutes, then withdraw the top layer (serum)
b. Let the blood sit for 10 minutes, then withdraw the top layer (serum)
c. Heat the blood for 10 minutes at 100 °C and collect the serum via a distillation apparatus
d. Freeze/thaw the blood and let the red blood cells lyse, then collect the bottom layer
e. Centrifuge the blood after letting it sit for 10 minutes, and collect the bottom (pellet) for the sera.
What is the difference between autotroph and heterotroph
Answer:
Autotrophs are known as producers because they are able to make their own food from raw materials and energy. Examples include plants, algae, and some types of bacteria. Heterotrophs are known as consumers because they consume producers or other consumers. Dogs, birds, fish, and humans are all examples of heterotrophs.
What is a chemical reaction called that builds new and larger molecules from camller starting molecules?
A chemical reaction called that builds new and larger molecules from smaller starting molecules is called anabolism.
In the field of science, anabolism can be described as a process through which larger, complex molecules are made from simpler, smaller molecules. In the body of an organism, the process of anabolism results in the formation of complex biomolecules required for sustaining life.
As opposed to catabolism, the process of anabolism requires energy. In the body, energy in the form of ATP is usually used for the reactions of anabolism to occur.
A simple example of anabolism is the production of proteins from amino acids. Amino acids join together to make long chains in order for the formation of proteins.
Although your question contains a spelling mistake, you might be referring to this question:
What is a chemical reaction called that builds new and larger molecules from smaller starting molecules?
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A study by a watchdog group at georgetown university found that ____ percent of alcohol advertising was more likely to be seen by youths than adults.
a. 10
b. 50
c. 75
d. 25
A study by a watchdog group at georgetown university found that 25 percent of alcohol advertising was more likely to be seen by youths than adults.
Underage drinking:Underage drinking is a serious public health issue in the US. Alcohol, which poses major risks to one's health and safety, is the drug that young people in America use the most frequently. Everyone could be affected by the consequences of underage drinking, regardless of age or past drinking habits. Direct or indirect effects of underage drinking on aggressive behavior, property damage, injuries, violence, and fatalities touch us all. This is a problem that affects many families, not just a few. People between the ages of 12 and 20 consume 4% of the alcohol consumed in the US. Young people drink less frequently than adults, but when they do, they drink more. More than 90% of all alcoholic beverages consumed by young people are consumed in binges.Learn more about the drinking problem with the help of the given link:
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Molecules composed of a small oligosaccharide covalently linked to a phospholipid are called:__________
Molecules composed of a small oligosaccharide covalently linked to a phospholipid are called: Glycolipids
Glycolipids are lipids containing a glycosidic (covalent) link connecting them to a carbohydrate. Their job is to keep the cell membrane stable and make it easier for cells to recognize one another, which is essential for the immune response and for the connections that allow cells to join together to form tissues. Structured lipids known as glycolipids are typically present on the extracellular face of eukaryotic cell membranes.Glycolipids have a non-polar section connected to the lipid component and a polar head connected to the carbohydrate portion. Glycolipids are a crucial part of eukaryotic cell membranes due to their amphipathic nature, which is when a molecule possesses both hydrophilic and lipophilic qualities.
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