what is a of prokaryotic cell

Answers

Answer 1
A prokaryotic cell is a cell that does NOT have a membrane. Eukaryotic on the other hand does. A great example of a prokaryotic cell is bacteria.


Related Questions

Two substances critical in the digestion of lipids are _______, produced in the liver, and ________, produced in the pancreas.

Answers

bile, lipase

Bile produced in the liver and lipase produced in the pancreas work together to digest lipids

Is a gland that plays specialized roles in both the lymphatic and immune systems?

Answers

The thymus is such a gland with these roles.

Uno larguito, dos más bajitos, otro chico (small) y flaco (skinny), y otro gordazo (fat). ¿qué son?

Answers

Final answer:

The Spanish riddle is talking about the fingers on a human hand, describing each finger with different characteristics like longest, shorter, smallest, slimmest and thickest.

Explanation:

The riddle presented in Spanish - 'Uno larguito, dos más bajitos, otro chico (small) y flaco (skinny), y otro gordazo (fat). ¿qué son?' - is describing the characteristics of the fingers on a human hand. Here's how: 'Uno larguito' refers to the middle finger, which is typically the longest. 'Dos más bajitos' are the thumb and pinky, which are generally shorter. 'Otro chico' could be the pinky, which is usually the smallest, and 'y flaco' could be the ring finger, noted to be slimmer relative to its length. Lastly, 'otro gordazo' can be seen as the thumb, which tends to be thicker in comparison to the other fingers.

Learn more about Fingers here:

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One long, two shorter, one small and skinny, one big and fat. A ladder with steps.

This riddle describes a staircase. The "uno larguito" (one long) refers to the long main part of the staircase, while "dos más bajitos" (two shorter) are the shorter steps leading to the next level.

"Otro chico y flaco" (one small and skinny) represents a thin and narrow step, and "otro gordazo" (one big and fat) signifies a broader and larger step.

Staircases commonly have one long base or central section (uno larguito) and multiple steps (dos más bajitos) that gradually ascend or descend.

Among these steps, some are narrow and small (otro chico y flaco), while others are broader and more substantial (otro gordazo).

The riddle cleverly employs descriptive terms to allude to the different elements of a staircase.

In summary, the riddle uses playful language and descriptive adjectives to lead the reader to the solution, which is a staircase.

Staircases are familiar architectural elements, making this riddle accessible and enjoyable for a wide audience.

For such a more question on staircase

https://brainly.com/question/25811399

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A platelet count will assist in the determination of inflammation or infectious diseases of the lymphatic system

Answers

The answer to the statement is false. It is because the platelet count is not responsible of determining of presence of inflammation or infectious disease in the lymphatic system. The most suitable test or determination for this is the complete blood count and the white cell differential count.

The spinal cord is like an information highway that connects the ______________ to the brain

Answers

It would be peripheral nervous system...

What will happen to the ecosystem if the paddlefish are hunted in excess

Answers

The population would decrease and the people eating it will also decrease because there needs to be more food than the consumer

Excessive hunting of paddlefish can cause significant ecological disruption, leading to undesirable shifts in marine ecosystems and socio-economic challenges for local communities.

If paddlefish are hunted in excess, it will lead to a radical restructuring of the marine ecosystem. As seen with other species, when a dominant species is over-harvested, it becomes ecologically insignificant. This shift not only results in humans losing a food source, but also affects other species in the ecosystem. The natural balance is altered, and the outcomes can be unpredictable. Population declines of large predatory fish due to overfishing have been observed, leading to fishermen fishing down the food chain, targeting smaller species. Such changes in marine biodiversity can have profound effects on aquatic systems, potentially leading to their loss as reliable food sources.

Can anyone write me an acrostic for the word LGBT?

Answers

Lets

Get

Back

Together

Is that what you mean cause i don't know what you mean

L: lesbian

G: gay

B : bisexual    

T: trans

This is what it means...I don't know if you met something else or not

Which clinical indicators does the nurse expect to identify when assessing a client with trigeminal neuralgia (tic douloureux)? select all that apply?

Answers

Final answer:

Clinical indicators of trigeminal neuralgia include severe facial pain, trigger factors, episodic pain, and pain on one side of the face.

Explanation:

When assessing a client with trigeminal neuralgia (tic douloureux), the nurse may expect to identify the following clinical indicators:

Severe facial pain: Trigeminal neuralgia is characterized by intense, stabbing, or electric shock-like pain in the face.Trigger factors: Certain actions or stimuli, such as eating, speaking, or touching the face, may trigger or worsen the pain.Episodic pain: The pain typically occurs in episodes that come and go, lasting from a few seconds to a couple of minutes.Pain on one side of the face: The pain is often localized to one side of the face, following the distribution of the trigeminal nerve.

_____determine how cells are differentiated.

Answers

Genetic regulation determine how cells are differentiated.

1. Genetic regulation: Cells are differentiated through the activation and repression of specific genes within their DNA. This process is tightly controlled by regulatory proteins that bind to DNA and modulate gene expression.

2. Epigenetic modifications: Chemical modifications to DNA and histone proteins can influence gene expression patterns without altering the underlying DNA sequence. These modifications, such as DNA methylation and histone acetylation, play crucial roles in cell differentiation.

3. Signaling pathways: External signals from the cell's microenvironment, such as growth factors, hormones, and cell-cell interactions, trigger intracellular signaling pathways that regulate gene expression and cell fate determination.

4. Transcription factors: These are proteins that bind to specific DNA sequences and either activate or repress gene transcription. Different combinations of transcription factors control the expression of genes involved in cell differentiation.

5. Morphogen gradients: Gradients of signaling molecules establish positional information within developing tissues, guiding cells to adopt specific fates during differentiation.

6. Cell-cell communication: Direct communication between neighboring cells through signaling molecules, gap junctions, and cell adhesion molecules also influences cell differentiation processes.

The B horizon is also called the _____.


topsoil


subsoil


partially altered parent material


unaltered parent material

Answers

Answer: B soil is also called the SUBSOIL.

Soil horizon consists of layers of soil that differ physically. It contains 3 or 4 layers or horizon such as O horizon, A horizon, B horizon, C horizon and R horizon. B horizon is also referred as subsoil. It is yellowish to brown in color. It consists of mineral layers such as silicate clay, iron, aluminium, gypsum, silica, humus, etc. The roots of a plant penetrates through the subsoil.

In a hypertonic solution the mass of the cell would ________.

Answers

In a hypertonic solution the mass of the cell would loose mass

Answer:

Lose mass

Explanation:

In hypertonic solution ,the concentration of solute is greater outside the cell membrane and less inside the cell membrane.

Osmosis is a process in which solvent moves from less concentrated solution to high concentrated solution through a semipermeable membrane and thus, equalizing the concentration each side of membrane.

When we place the cell in hypertonic solution then the solvent from cell moves out due to osmosis and the cell to shrink.Therefore, the mass would be decrease.

Hence, in hypertonic solution the mass of the cell would be loss .

The flap of ________ cartilage that protects the opening of the larynx is called the epiglottis.

Answers

The flap of ELASTIC cartilage that protects the opening of the larynx is called the epiglottis.

What is the advantage of breathing through the nose rather than the mouth?

Answers

The advantage of breathing through the nose rather than the mouth is that when using the nose, this can create a back flow of the air we exhale in the lungs rather than the mouth. And in the same time, the nose filters the dirt that we may inhale than the mouth in which it does not.

The nurse is reviewing the urinalysis of a client suspected of having a urinary tract infection. the potential diagnosis will be supported by the presence of:

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Bacteria in the urine. Urine from a healthy patient is sterile. Bacteria in the urine is the result of a urinary tract infection or contamination from an improperly taken sample.

Water is less ________ at lower temperatures because hydrogen bonds are more _________ and bond to each of its neighbors.



A. Solid, unstable


B. Liquid, stable


C. Dense, stable

Answers

C. Dense, Stable. hope this helps.

What is the function of membrane proteins?

Answers

The functions of a membrane protein include cell cohesion, relaying signals between the inside and outside of a cell and transporting proteins across the membrane. A membrane protein is a protein that is attached to a cell and interacts with biological membranes. Each type of membrane protein has a different function. 

Write a short story (2-3 paragraphs) about the process of water being treated and then used by humans

Answers

are there options to this?
There is a little girl who lives with her family in Africa. Her and her mom walk hundreds of miles a day, going back and forth to get water but it is still not sanitary to drink. Sometimes they don't have time to boil or even have the things the need to boil the water to get it clean even then is isn't safe to drink.

Then one day and American traveler was visiting Africa and noticed the water they wee drinking was unsanitary. that is when he got to thinking how could he make a water purifier that they can use here in Africa. So he started experimenting to see what would work and not be that expensive. When he finally came up with a solution he told us scientist about it and got to making it so more people could use them.

They got to making hundreds of little packets of them and started to send them  over to Africa. the American Traveler explained that what you do is open the little packets and pour the powder into the water and mix in and let it sit. The little girl was so happy that now she can drink the water with out getting sick and was very excited. The other way the traveler came up with was to dig deep deep wells that found naturally purified water which helped a bunch of the families there in Africa and other places that didn't have clean water

Hesi- the nurse is caring for a dying client. which interventions should the nurse implement for the client and family?

Answers

The nurse has to be firm first, and don't be panic in that situation. He/She should try to make a calm and quiet situation in the room. He/She has to convince the actual situation to the family members at the same time should give hope to the patient as he is the client. Don't create a problematic situation at all.

Identify the characteristics of the two subclasses of bony fishes

Answers

dorsol hollow nerve chord
notochord (doral, elastic supporting rod)
paired pharyngeal gill slits

Bony fishes are categorized into Actinopterygii, the ray-finned fishes with fin rays supported by bony spines, and Sarcopterygii, the lobe-finned fishes with fleshy lobed fins resembling tetrapod limbs. Both share traits such as a bony skeleton, a lung or swim bladder, a gill cover, and color vision, and belong to the largest class of vertebrates.

Characteristics of Ray-Finned and Lobe-Finned Bony Fishes

The two subclasses of bony fishes, which are Actinopterygii (ray-finned fishes) and Sarcopterygii (lobe-finned fishes), exhibit distinct characteristics. Ray-finned fishes are the most diverse and include species like tuna, bass, trout, and salmon. They are characterized by their fin rays - slender bones that support the fin web which is composed of skin. These fishes have a lung or swim bladder for buoyancy control, an operculum that covers their gills, and can see in color.

In contrast, lobe-finned fishes, which include coelacanths and lungfish, possess fleshy lobed fins with a structure similar to that of tetrapod limbs. These fins are supported by internal bones and have the potential to evolve into legs, as they did in the ancestral lineage that led to amphibians and other terrestrial vertebrates. Lobe-finned fishes also feature enamel-covered teeth and can have both gills and lungs.

Both subclasses fall under the clade Osteichthyes and share characteristics like a bony skeleton, head, and pectoral girdles covered with bones, and jointed, segmented rods supporting the fins. They are categorized under the largest class of vertebrates existing today with a count of approximately 30,000 species.

what is the relationship between biodiversity and number of populations?

Answers

Biodiversity increases as the number of populations grow, because a greater population generally means a more diverse one.

However, this is not always true, so I'm not sure what answer they're looking for.

Biodiversity refers to the variety of life, including the diversity within species, between species, and across ecosystems. The number of populations of a species plays a crucial role in maintaining genetic diversity and ecosystem function, with declines in populations leading to losses in biodiversity and ecosystem stability.

The relationship between biodiversity and the number of populations is quite significant. Biodiversity encompasses the variety of life at all levels, including the diversity within species (genetic diversity), between species (species diversity), and within ecosystems (ecosystem diversity). Populations, which represent groups of interbreeding individuals of the same species, are central to biodiversity as they maintain genetic diversity and contribute to the structure and function of ecosystems.

A single species can have multiple, genetically distinct populations, and it is these populations that often interact with one another and with populations of other species to form a community. The health and resilience of these communities, and thus the entire ecosystem, are closely tied to the strength and variability of its populations. Therefore, a decline in the number of populations can lead to a loss of biodiversity, reducing the provision of ecosystem services and potentially destabilizing the environment.

For example, population declines due to habitat destruction, pollution, or other human activities can lead to a decrease in species diversity, which in turn affects ecosystem function. Likewise, preserving a wide variety of populations can help ensure the stability and continuity of ecosystem services that are crucial for human survival, such as nutrient cycling, climate regulation, and food provision.

What would explain the change in the size of a gummy bear after it is placed in regular water? Question 1 options:
a- Water moves in to dilute the sugar in the bear, causing it to swell.
b- Sugar leaves the gummy bear, so it shrinks.
c- Particles in the water rush into the bear since the sugar is sticky.

Answers

        The right answer to this question is option A. Water moves in to dilute the sugar in the bear, causing it to swell.

       That happens because there is a process involving water called osmosis. This process is pretty simple to understand. What happens is that the water will move from a place to another because of the concentration of solute. So, in this case, we have a higher concentration of solute inside the bear, and a lower one in the water, and for that, things need to be equal to reach the right balance between both concentrations. Once that happens, that water swells the gummy bear to balance these two them, and that's called osmosis.

The science of studying a species' complete set of genes and their interactions is called ____.

Answers

proteomics that is what it said on the web

What are the four biomolecules

Answers

Carbohydrates, lipids, proteins, & nucleic acids.

The mass of chewed food that is swallowed is called

Answers

that would be called Defecation.
it is called a bolus this is the answer check it out

The most abundant minerals found in granitic (felsic) igneous rocks include

Answers

The most common felsic rock is granite. Common felsic minerals include quartz,muscovite, orthoclase, and the sodium-rich plagioclase feldspars. In terms of chemistry, felsic minerals and rocks are at the other end of the elemental spectrum from the mafic minerals and rocks.

What energy transformation occurs when a car stereo on

Answers

electrical energy changes to sound energy 


Is there any answer chooses ????

Particles that are made up of proteins, nucleic acids, and sometimes lipids and that can only reproduce by infecting living cells are called

Answers

The answer is Viruses 

List five cell organelles and describe their function.




PLS HELP!!!

Answers

1) Nucleus: controls the organelles
2) Mitochondria: makes energy Aka the ‘power house’
3) Ribosomes: makes protein
4) Cell membrane: protects the cell and provide stability
5) Vacuoles: stores wastes

Which type of organism generates oxygen and makes up the lowest trophic level in an energy pyramid?
A.
producers
B.
omnivores
C.
herbivores
D.
consumers

Answers

Your answer will be A producer because producers are plants they give off food and a lot of animals eat their their at the bottom of the pyramid because that have nothing in defense also an ts not D because those are like lions, and bears stuff that eat things (like predators) also its not B because omnivores eat both plants and animals like bears and when it came down to rather A, or C I choose A because herbivores are animals that eat plants like a sloth.

Your answer is A.

Which transports digested lipids and bile across digestive fluids to the surface of mucosal cells?

Answers

Several different mechanisms are responsible for transporting digested lipids and bile across the digestive fluids to the surface of mucosal cells. One example is fatty acids, and another triglyceride and cholesteryl esters. These groups can vary in length and depend on the body's needs.

Answer: micelles

Fat is a common example of lipids. Lipid is a fat like molecule that cannot dissolve in water, as a result fats are accumulated in clusters hence there is a difficulty in fat digestion.As it clumps together. It moves as droplets through the digestive system .By the time fat reaches the small intestine it has not been digested at all so the dietary fat in the small intestine looks like a fairly large globs of fat. These globs remain until the bile that is produced in the liver and stored in the gall bladder mixes with the large fat droplets.


Bile contains bile salts which acts as an emulsifier (breakdown of large fat droplets into smaller droplets) of lipids.



So the bile salts breakup and coat the fat in the small intestine to form much finer droplets these finer droplets have more surface area and this aids digestion because the fat digesting enzyme pancreatic lipase can only act on the surface of fat droplets. when the pancreatic lipase act on the lipid it breaks it down which results in free fatty acids and monoglycerides which are the two digestive products of lipids.



The absorption occurs within the epithelium cells and their transportation is done by fatty acids, and triglyceride.



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