What structural feature of cells can allow molecules to flow directly from the inside of one cell to the inside of the next? (a) cilia (b) plasmids (c) plasmodesmata (d) choroplasts PLEASE HELP ME!

Answers

Answer 1
C . Plasmodesmata is correct :)
Answer 2
c is the right answer

Related Questions

Which of the barbiturates would you expect to be the more effective sedative? barbital hexethal?

Answers

Final answer:

The efficacy of barbiturates like barbital and hexethal as sedatives may depend on their lipid solubility, with more lipid-soluble drugs potentially acting more quickly. High doses of barbiturates can result in negative effects, ranging from sluggishness to coma or death.

Explanation:

Barbiturates are central nervous system depressants with effects akin to those of alcohol, including their ability to sedate and induce sleep.

Barbital and hexethal are two different barbiturates, and their effectiveness as sedatives depends on various factors, including how quickly they are metabolized and their duration of action.

Typically, sedative efficacy may correlate with the lipid solubility of the barbiturate, where more lipid-soluble drugs like hexethal tend to have a faster onset of action and are thus potentially more effective for inducing sleep rapidly compared to less lipid-soluble drugs.

Still, the individual response to these drugs can vary, and higher doses of any barbiturate can lead to severe outcomes, such as sluggishness, difficulty in thinking, slowness of speech, drowsiness, faulty judgment, and in extreme cases, coma or death.

Brainstorm and create a list of 4 human activities that interfere with ecosystems, food chains and food webs. For each explain how it happens, why we do it, and mention short and long term effects

Answers

here are some things that interfer with the ecosystem (highways, driving cars, fossil fuel, cities, farms, deforestation, over hunting, over fishing and plastics)

Answer:

The humans are the dominant consumers. They influence food chains and food web through agriculture, production of energy, habitat destruction, pollution, hunting, and overfishing. This is generally done in order to fulfill the demands for food and shelter along with the growth of population. In long term, it influences aquatic and soil ecosystems.  

In case if due to human activities if one community of animals gets extinct then there will be a chain reaction of animals getting extinct. The animals live in harmony to thrive and without which it will proliferate into more extinct animals. Ultimately the majority of the animals will no longer be alive.  

What is the difference between metaphase and anaphase?

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Hey there! 

The word [tex]metaphase[/tex] is like the duplication of the chromosomes, which lines up beside the sultry of the "spindle" ; [tex]Anaphase [/tex]  on the other hand is the "daughter" of the "chromosomes" in the mitosis, it moves away from each of the parts, so it can  end it 

Good luck on your assignment and enjoy your day! 

~[tex]MeIsKaitlyn:) [/tex] 

The region of africa in which zebras, elephants, wildebeests, antelope and other large animals live is known as the

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could it be the savannah?

To Be considered considered valid, the results of a scientific experiment must be?

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proven without fault. all evidence must lead to the hypothesis proving to be true.
hope this helps, xx

Ome bacteria in the deep oceans use iron as an energy source to make carbohydrates from carbon dioxide. these bacteria would be classified as

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the answer is chemoautotroph

Can you distinguish among the three processes of genetic transfer in bacteria

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Genes can be transferred in bacteria through the following processes: Transformation, Transduction and Conjugation.

Transformation: It's when bacteria incorporate genetic material present on the environment. This genetic material it's left in the environment from previous bacteria that died. Certain bacteria like Bacillus, Neisseria and Pneumococcus use this process.

Conjugation: It's when bacteria cells transfer genetic material between  them in direct contact. The transferred Dna is often beneficial to the recipient because those genes can carry antibiotic resistance, the ability to use new metabolites or xenobiotic tolerance.

transduction -  It's when there is a injection of foreign DNA by a bacteriophage virus into a bacteria. Transduction does not require physical contact between the virus and the bacteria. After the virus DNA injection, the bacteria will work to replicate the virus DN








Three modes of genetic transfer between bacterial cells are Transformation,Transduction and Conjugation. The phenomenon by which DNA isolated from one type of cell, when introduced into another type is able to bestow some of its properties into the latter, is referred to as transformation. It was confirmed by Griffith with his experiments on bacteria Streptococcus pneumonia. The transfer of genetic material from one bacterium to another through bacteriophage is called transduction. The unidirectional transfer of DNA from one cell to another through a cytoplasmic bridge is called conjugation. The process is equivalent to sexual mating in eukaryotes. Two bacterial haploid cells of different strains come close to each other.

There are no well-documented examples of natural selection operating on natural populations.
a. True
b. False

Answers

False. Because there is documented exhales of natural selection.

The correct answer is B. False

Explanation:

Natural selection is one of the main processes that lead to evolution; this involves organisms in a population being more suitable to survive and reproduce due to specific traits, this causes over the time a population evolves as only organisms with certain traits survives while other organisms disappear.

Natural selection was first officially documented by Charles Darwin based on observations he made on Galapagos Islands and Argentina. Besides this, based on Darwin's proposal many scientists and biologists have documented natural selection in both natural and non-natural populations. A famous example of this is peppered moths in England that changed its color to dark due to the Industrial Revolution making trees darker and therefore making dark moths more suitable to survive. Thus, it is false there are no well-documented examples of natural selection on natural populations because over the years this phenomenon has been plenty documented.

"Using the three points of the cell theory, explain how humans and bacteria are similar."

Answers

1. They are made of cells

2. They are the basic unit of structure and function

3. They are cells produced from other cells

Answer:

Cell theory was first developed by Scheldien and Schwann.  The cell theory was follows by all the living organism except viruses. The cell theory explains that eukaryotes and bacteria are similar.

Both the bacteria and humans are made of more than one cells. Cells acts as the structural and functional unit of the humans and bacteria. All the important functions of the bacteria and humans are done by cells. The living cell of the bacteria and human are arise from the pre existing cell.

The presence of a zygote having one chromosome with the normal complement of genes and one with a missing gene is characteristic of which genetic disorder

Answers

The answer is:  "cri du chat syndrome" .
________________________________________________________

SUBJECT SCIENCE!

An equal-arm balance is used to measure:

A. mass

B. volume

C. density

D. force

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It's used to measure mass.
Mass is the answer so a

Which ATP production would be sufficient to run in place for 1 minute?

Answers

The correct answer is the creatine-phosphate system. This is the correct answer because the creatine-phosphate system provides immediately available ATP to working muscles but has a very short production capacity of about a minute. Therefore the most sufficient ATP production system for this type of activity would be the creatine-phosphate system.

Creatine phosphate provides immediate energy for high-intensity activity for the first 8-10 seconds, followed by ATP production from glycogen via anaerobic metabolism for up to 90 seconds.

To evaluate which ATP production method would be sufficient to run in place for 1 minute, we need to consider the different energy systems our body uses. Initially, creatine phosphate provides energy for about 8-10 seconds of high-intensity activity. After this, the body begins to use glycogen to produce ATP from glucose without the need for oxygen. This anaerobic process can supply energy for approximately 90 seconds, producing a by-product of lactic acid. Once the initial creatine phosphate stores are depleted, the non-oxidative energy system takes over to continue ATP production.

A well-trained athlete might be able to sustain this activity repetitively for a while but not for exceedingly long periods due to the limited availability of glucose and the buildup of lactic acid. During the first 30 seconds, the anaerobic pathways operate at full capacity, but glucose stores are finite and the heart and lungs need time to adjust oxygen supply for oxidative ATP production. This ultimately constrains the duration an athlete can perform at maximum capacity using anaerobic metabolism alone.

Hydrolysis of creatine phosphate and glucose 6-phosphate both contribute to ATP generation, but creatine phosphate acts much faster, making it the initial source of phosphate to produce ATP during explosive activities. Glycolysis provides less ATP per glucose molecule compared to the oxidative system, and a tremendous amount of ATP is synthesized and expended continuously in cells for normal metabolic processes.

What dietary education should the nurse provide to a client diagnosed with a hiatal hernia?

Answers

A hiatal hernia makes it easier for stomach acids to rise to the esophagus, usually called heartburn.
To reduce this symptom It's important a diet that consists of less: citrus, spicy, fried, fatty foods, coffee, tea, chocolate, carbonated drinks, dairy products and tomato (because it's also acidic). Some examples of appropriate foods are: apples, bananas, grains, soy milk, water, carrots, potatoes, peas, a low fat yogurt/cheese, (anything with low fat is ideal), etc.






after glycolysis occurs, the products may enter the Krebs cycle. Which major products result from these reactions

Answers

it is
ATP, FADH2, and NADH

The gene responsible for a particular congenital cardiac anomaly is said to have complete penetrance. what are the clinical implications of this fact?

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You didn't include the choices but the answer is All the individuals who possess the gene will exhibit the anomaly. The term penetrance represent the ability of a gene to express its function, with 100% or complete, penetrance, ensuring that all individuals possessing the gene will experience the phenotype in question.

What fluid, with a very high osmolarity, was used in part 2 of the paper chromatography experiment? why is this important? why is it essential to keep it cool?

Answers

The fluid which has very high osmolarity used in the experiment was Sucrose solution.

This fluid is important because it regulates the natural reaction of the leaves and also prevents interference from outside sources.

It was essential to keep it cool because cold temperature helps inhibit the rate of photosynthesis so it gives protection to degradation of proteins.

A maternal effect can cause the offspring phenotype ratio to depart from that of classic mendelian inheritance. in a species of snail, the dominant allele n codes for right-handed shell coiling and recessive allele n codes for left-handed shell coiling. if an nn female with right-handed shell coiling mates with an nn male, what is the shell coiling phenotypic ratio of their offspring?

Answers

If both parents are "nn" and this means they have for the same gene two alleles that are equal, and the mother has right-handed shell coiling which is dominant and the father is equally nn, then, the phenotype ratio, accordingly with the classic mendelian inheritance (there's no other information as for the variation expected) will be all of the offspring nn.

A fracture of a long bones that has a noticeable bend in the shaft isâ called:

Answers

The answer is an angulated fracture. This kind of fracture designates an exact type of fracture displacement where the usual axis of the bone has been transformed such that the distal portion of the bone is positioned off in a diverse way. It is best described using words like palmar or dorsal, valgus or varus, and ulnar or radial.

Which list ranks the gases in the atmosphere from most to least abundant? A. oxygen, carbon dioxide, nitrogen, argon B. nitrogen, oxygen, argon, carbon dioxide C. nitrogen, carbon dioxide, oxygen, argon D. carbon dioxide, argon, nitrogen, oxygen

Answers

I'm pretty sure it's C. Hope this helps you! :)
i think its C but you figure out

What would happen if the cell membrane were not selectively permeable ? Support your response

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It would be easier for harmful substances to enter.

Proteins can be denatured or rendered inactive by what?

Answers

Proteins can be denatured or rendered inactive by what?

Answer: acids

A client is being treated for stomach cancer. the client is in considerable and constant pain, and the family is asking why. how does soft tissue cancer cause pain

Answers

Once the tumor becomes large enough and serious enough it can hurt on its own but in most cases it is painful because it affects local tissues, nerves and muscles in the general area of the tumor. Most times the cancer itself is not painful.

Why is it necessary to equalize water levels in the buret and the leveling funnel?

Answers

So that the pressure will be at constant. If the water level will have raised up in the graduated tube directly above the water level in the burets and levelling funnels, the pressure on the trapped gas is no longer at usual atmospheric pressure. It produces a tapping effect on the locked in gas therefore dropping the pressure. If the burets and levelling funnels will be dropped below water level the reverse effect is produced. 
It is necessary to equalize water levels in the buret and the leveling funnel so that there will be a constant pressure are. If the water level raised up in the graduated tube directly on top of the water level in the burets and leveling funnels, the pressure on the treed gas is not any longer at usual air pressure. It produces a sound impact on the bolted gas that causes the pressure to drop. If the burets and leveling funnels are below the water level the reverse impact will happen.

________ are the fundamental building blocks of heredity.

Answers

Salutations!

________ are the fundamental building blocks of heredity.

Genes  are the fundamental building blocks of heredity. Genes are compromised of DNA. Genes instructs to conceive molecules called proteins.

Hope I helped (:
Have a great day!

A hypothesis is unrelated to the theoretical framework.
a. True
b. False

Answers

dude, 


the answer is false
The answer is a true don't listen to salutesatxn, I search it up in google,

Can u mark me as brainliest plz

Botulinum toxin binds to receptors present at the axon terminal in order to enter the neuron. what vesicular transport process do you think is involved in the toxin entering the neuron

Answers

It is the receptor mediated endocytosis process. The botulinum toxin, by binding to a receptor, promotes the creation of a vesicle of endocytosis in the axon terminal incorporating the toxin. The part that connects to the receptor is a heavy chain from the toxin and the part that will further preform the action of the toxin is a lighter chain that will be realised once the toxin is inside the neuron. 

The vesicular transport process that is involved in the toxin entering the neuron is the receptor mediated endocytosis process.

Further Explanation:

Endocytosis is the process by which some particles are taken in by a cell by the process of invigoration of its membrane and formation of a vacuole. The receptors are the molecules present on the cell membrane that acts as a transmitter of information. Receptors are protein-based substances that are usually integrated into the biological systems.

In the receptor-based endocytosis process, the receptor that is present on the cell membrane is specific to an extracellular molecule which is termed as ligand. The receptor recognizes only a ligand and further binds to it. This binding induces reactions in plasma membrane and the complex stimulates the process of vesicle formation in the plasma membrane. The vesicle engulfs the receptor ligand complex and the process completes. The botulinumtoxin is a protein that is neurotoxic in nature and is produced by Clostridium botulinum. The neurotransmitter acetylcholine's release is blocked by this neurotoxic protein causing flaccid paralysis.

The question depicts that the toxin incorporates into the axon end by the formation of a vesicle. The functions of the toxin are for the carried out inside the neuron.

Thus, the vesicular transport process that is involved in the toxin entering the neuron is the receptor mediated endocytosis process.

Learn more:

1. Learn more about second-generation antipsychotic drugs: https://brainly.com/question/7178431

2. Learn more about which organelle makes the proteins that are needed by the cell: https://brainly.com/question/5923583

3. Learn more about molecules that can diffuse in or out of the cell without any help: https://brainly.com/question/1233693

Answer Details:

Grade: High School

Subject: Biology

Chapter: Nervous System

Keywords:

Vesicular transport, receptor, endocytosis, receptor mediated endocytosis, clostridium botulinum, toxin, neurotoxin, neuron, axon, plasma membrane, paralysis, acetylcholine, neurotransmitter.

Tightly closed cones in some conifers are adapted to open in response to

Answers

Conifers are the gymnosperms that are adapted to survive in cold temperatures. The leaves of the conifers are needle-like to survive in the harsh climatic conditions. Due to needle-like shape of the leaves, the leaves can not hold snow in winters. Similarly, the cones are also adapted to survive in cold temperatures.
The tightly closed cones in some conifers are adapted to open in response to CHANGE IN ENVIRONMENTAL CONDITIONS. The cones close when the weather dry.  

When Earth receives energy from the Sun, ____.
a.
some energy is reflected back into space
b.
some is absorbed by the atmosphere
c.
some is absorbed by land and water on Earth's surface
d.
all of the above

Answers

The answer is: D. all of the above.

When Earth receives energy from the Sun, some energy is reflected back into space, some is absorbed by the atmosphere, and some is absorbed by land and water on Earth's surface.

The correct answer is d. all of the above.

About 29 % of the solar energy is reflected back to space by clouds, particles in the atmosphere and by snow or sea ice and about 23 % of solar energy is absorbed by dust, water vapor and ozone present in the atmosphere.  Only 48 % of solar energy passes through the atmosphere and is absorbed by the surface. Thus, approximately 71 % of the total solar energy is absorbed by the Earth system.

"what part of the carbon cycle might transfer carbon into the lithosphere?"

Answers

the weathering of silicate rocks exposed by up lift due to orgeny and subduction of ocean sediment and they also are the formation of shells by marine organism.This is the correct awnser.

Which factors affect the movement of ocean currents?

Answers

There are many things that can affect ocean currents. Particularly wind. Changes in temperature with air currents and tides affect it as well. 

The movement of ocean currents is influenced by the Earth's rotation, causing the Coriolis effect, and differences in water density due to temperature and salinity. Prevailing winds and the shape of ocean basins also drive surface currents, which help distribute heat globally and impact climate and weather patterns.

The factors affecting the movement of ocean currents include several key dynamics. One important factor is the rotation of the Earth, which results in the Coriolis effect. This effect causes currents in the Northern Hemisphere to veer to the right and those in the Southern Hemisphere to veer to the left. The Earth's rotation influences the path of both winds and surface ocean currents, making it seem like they are bending when in fact, they are moving straight relative to the Earth's surface.

Density differences driven by variations in temperature and salinity are also critical in determining the vertical and horizontal movement of ocean currents. Warmer or less salty water tends to be less dense and rises, while colder or saltier water is denser and sinks. This difference in density leads to thermohaline circulation, which is crucial for deep ocean currents.

Surface ocean currents are largely driven by prevailing winds and are also affected by the Earth's rotation and the shape of the ocean basins. These currents play a vital role in distributing heat across the planet and therefore influencing the global climate. The examples include the Gulf Stream and California Current, which significantly affect local weather and seasonal events.

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