Exocytosis is a process by which cells A. remove bulk material from the cell via wosicions
B. remove bulk material from the cell via pores C. bring bulk material into the cell via vesicles D. bring bulk material into the cell via pores
Exocytosis is the process by which cells B. remove bulk material from the cell via pores
The prefix, "exo" suggests "out" or "external". Also, the suffix, "cytosis" relates to anything that has to do with cells.
Exocytosis in concise terms can be described as the movement of large polar molecules and waste materials out of a cell through pores by active/bulk transport mechanism. This mechanism is the opposite of endocytosis.
The process involves:
the formation of an encapsulated membrane, which is a vesicle formed within the cell containing the packaged materials that is to be expelled.the vesicle is moved to the cell membranethe vesicle is expelled through the pores and the contents are released out of the cell.See attachment for image showing the mechanism of Exocytosis.
Thus, the right option is B. remove bulk material from the cell via pores.
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What is the longest phase in a star's life cycle?
Answer:
T-Tauri Phase
Explanation:
The mean temperature of the Tauri star isn't enough to support nuclear fusion at its core. The T-Tauri star lasts for about 100 million years, following which it enters the most extended phase of development – the Main sequence phase.
What characteristics would you look for to determine if an organism is a protist or a plant?
Answer:
A few characteristics are common between protists.
They are eukaryotic, which means they have a nucleus.Most have mitochondria.They can be parasites.They all prefer aquatic or moist environments.Explanation:I HOPE ITS HELP
Protists are eukaryotes, which means their cells have a nucleus and other membrane-bound organelles. Most protists are single-celled. Other than these features, they have very little in common. You can think about protists as all eukaryotic organisms that are neither animals, nor plants, nor fungi.
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n a field, water flows down through the soil and then through a layer of loose rocks before the flow stops.
What type of material did the water most likely encounter when it stopped?
1. a layer of granite
2. another soil layer
3. a layer of rocks with cracks
4. another layer of loose rocks
Which of the following solar phenomena is thought to cause short term climate changes?
A) solar flares
B) prominences
C) sunspots
D) solar winds
Answer:
Solar flares
Explanation:
The magnetic field lines near sunspots often tangle, cross, and reorganize. This can cause a sudden explosion of energy called a solar flare. Solar flares release a lot of radiation into space. If a solar flare is very intense, the radiation it releases can interfere with our radio communications here on Earth.
Match each part of the eye with the correct label please help asap
Answer:
1. Vitreous gel
2. Optic Nerve
3. Macula
4. Fovea
5. Retina
6. Lens
7. Pupil
8. Cornea
9. Iris
Explanation:
I hope this helps!
These are Vitreous gel, Optic Nerve, Macula, Fovea, Retina, Lens, Pupil, Cornea, Iris respectively.
What is structure of eye?Three coats enclose the optically clear aqueous humour, lens, and vitreous body in the eye.
The cornea and sclera form the outermost coat; the choroid, ciliary body, and iris form the middle coat, which contains the main blood supply to the eye and extends from the back to the front.
The eye functions as a sensory organ. It collects light from our surroundings and converts it into nerve impulses. The optic nerve sends these signals to the brain, which creates an image and thus provides sight.
Thus, as per the labeling number, Vitreous gel, Optic Nerve, Macula, Fovea, Retina, Lens, Pupil, Cornea, Iris respectively are the parts of eye.
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what are biomechanics
Answer:
Biomechanics is the study of the structure, function and motion of the mechanical aspects of biological systems, at any level from whole organisms to organs, cells and cell organelles, using the methods of mechanics. Biomechanics is a branch of bio physics mark as brainliest pls
roots and
would provide a variety of good options.
Answer:
oot systems are mainly of two types (Figure 1). ... Dandelions are a good example; their tap roots usually break off when trying to ... The outermost cell layer of the root's vascular tissue is the pericycle, an area that can give rise to lateral roots
Explanation:
what is the labia majora function??
How many offspring do your animal products in one season?
Giraffe
Answer:
Giraffes usually only have a single baby, born after a 15-month gestation period. But because they're able to breed all year round, giraffes don't need to 'resynchronise' with the seasons each time they give birth. Sadly, about 50% of giraffe calves do not survive their first year.
Explanation:
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I know this is really weird, but I’m doing this game for science club and I can’t figure out what to do! I have to find the colors of and American Kestrel but it’s always wrong. Help!
Answer:
Like what do you need help specifically
have a good day :)
Explanation:
Where would you be on the surface of the earth if you were in complete
darkness for twenty-four hours on December 21? *
Answer:
The arctic circle/the north pole.
Explanation:
what is the size of image formed in plane mirror
The size of the image formed in the plane mirror is the same as the actual object standing in front of the mirror, and in the plane mirror there is no change in the image.
What is the importance of the plane mirror?A plane mirror has many uses, as they are used in optical instruments such as mirrors, which help in directing and focusing light in optical systems, and the plane mirror also helps in educational demonstrations, such as the laws of reflection and image formation in different educational institutes, etc. The most important significance is that a plane mirror generally makes an image that is the same as the object.
Hence, the size of the image formed in the plane mirror is the same as the actual object standing in front of the mirror, and in the plane mirror there is no change in the image.
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true or false? Embryonic stem cells are more limited in what they can become than somatic stem cells
Answer:
true
Explanation:
Embryonic stem cells.
These are pluripotent (ploo-RIP-uh-tunt) stem cells, meaning they can divide into more stem cells or can become any type of cell in the body. This versatility allows embryonic stem cells to be used to regenerate or repair diseased tissue and organs.
What are some clues you might use to make inferences?
Incomplete question. Provided a general definition of the term.
Explanation:
To make an inference usually involves a mental activity for the purpose of making sound judgments based on observations or clues discovered.
For example, common clues when doing biological experiments includes:
behavioral changephysiological changechemical changes in samples, etcWhich organ breaks down heroin and alcohol?
Answer:
liver
organ breaks down heroin and alcohol
The liver, but that doesn't mean it doesn't mess it up in the process!
Hope this helps!
Does anyone know this? I picked arkansa and North Carolina
Graduation rates vary from state to state in the United States. Based on the statistics for the two states you selected, identify at least one potential reason for this variance.
Answer:
Poverty rates
Explanation:
A lower income city, town, or even region might have less money to spend on school and education. So kids don't feel nessisary or even bad to go to school as they face going broke and running out of food, kids work because their parents work themselves into injuries or can't work at all. Kids see school as 7 hours of money gone and loss of providing food for their family. So they drop out to stay alive.
shortsightedness cannot be corrected by the use of convex lens ,why?
Answer:
In this case ,the parallel Ray's coming from distant objects are focused in front of the retina. Then again if we use convex lens , it converger more . As a result , person can't see. Due to this reason , short sightedness can't be corrected by use of a convex lens
Why is the rain necessary for agriculture?
Answer:
hope thishelps
Explanation:
All plants need at least some water to survive, therefore rain (being the most effective means of watering) is important to agriculture. While a regular rain pattern is usually vital to healthy plants, too much or too little rainfall can be harmful, even devastating to crops.
explain why antibiotics such as penicillin, kill bacteria and not viruses
Answer:
Antibiotics cannot kill virus.
Explanation:
Viruses are different from bacteria.They have different ways of survival and reproduction.Viruses have a protective protein coat instead of cell wall.But many Antibiotics including penicillin work by attacking cell wall.
Thus bacteria can be attacked by antibiotics but viruses cannot.
What category is what hormones and cholesterol are made of a.carbohydrates b.lipid c.protein d.nucleic acid e.carbohydrate and lipid or f.protein and nucleic acid
When the availability of resources in an area is limited, organisms may leave a population to move to an area with more resources. What is this movement called? birth rate death rate O emigration immigration
Answer:
Emigration immigration
Explanation:
Emigration means an animal leaves its home because the habitat is no longer ideal for them, and they need to find a more suitable environment. Animals that immigrate or emigrate do not return to the land they left.
When the availability of resources in an area is limited, organisms may leave a population to move to an area with more resources, so the movement is called as Emigration. So, the correct option is C.
What is Emigration?Emigration is defined as the act of leaving one resident's country or place of residence with the intention of settling elsewhere while immigration describes the movement of people from one country to another. A migrant emigrates from his old country, and immigrates to his new country.
Emigration affects the economies of the countries which is involved in both positive and negative ways depending on the current state of the countries' economies. This has an economic impact on the countries involved, including the workforce and consumer spending.
Therefore, the correct option is C.
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How are viruses different from bacteria?
Bacteria are heterotrophic, while viruses are autotrophic.
Bacteria are living organisms; viruses are not.
Bacteria have a membrane-bound nucleus, while viruses do not.
Bacteria are multicellular; viruses are single cells
Answer:
B) Bacteria are living organisms; viruses are not
Explanation:
I took the test and got 100
Microorganisms are often disease causing agents. Viruses are different from bacteria in the sense that they are nonliving things.
What are microorganisms?Microorganisms are those infectious agents that we can not see yet they cause the myraid of diseases around us.
The differece between the viruses and the bacteria is that bacteria are living organisms; viruses are not.
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fe Sci 7-2
What is the function of the nervous system? What is the
basic unit of the nervous system?
The white mice and black mice are better camouflaged than the grey mice. Which type of selection will likely result from this scenario? Directional, Disruptive, stabilizing, or none of the above
Answer:
Disruptive
bc it right yes it is
The processes of transcription and translation are critical pieces of gene expression to produce proteins in all living cells on earth.
Which statements correctly differentiate transcription and translation? More than one statement may apply.
es -)
A)
B)
09
Transcription requires an RNA template while translation uses a DNA
template.
Transcription is performed by prokaryotes while translation' is performed by
eukaryotes.
Transcription occurs in the nucleus while translation occurs in the
cytoplasm in eukaryotes.
Transcription produces an mRNA molecule while translation converts the
code from mRNA into a protein
Transcription require RNA polymerase while translation requires ribosomes
to build their end product molecules.
D)
E)
Answer: c) Transcription occurs in the nucleus while translation occurs in the cytoplasm in eukaryotes, D) Transcription produces an mRNA molecule while translation converts the code from mRNA into a protein, E) Transcription require RNA polymerase while translation requires ribosomes to build their end product molecules
Explanation:
The central dogma of molecular biology involves two cellular processes, transcription and translation. The process occurs at different sites in the eukaryotic cells.
The correct options are:
Option C: Transcription occurs in the nucleus while translation occurs in the cytoplasm in eukaryotes
Option D: Transcription produces an mRNA molecule while translation converts the code from mRNA into a protein
Option E: Transcription requires RNA polymerase while translation requires ribosomes to build their end product molecules
The explanation for transcription and translation can be given as:
1. Transcription takes place in the nucleus, whereas translation occurs in the cytoplasm of a eukaryotic cell.
2. Transcription is the process of decoding the message from DNA to mRNA. Translation occurs after transcription, in which messages coded into mRNA are converted into polypeptides.
3. The enzymes are essential for catalyzing processes like transcription and translation. The transcription is carried out by RNA polymerase, whereas translation requires ribosomes to build products.
Thus, translation and transcription are the two parts of the central dogma.
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Directions: Identify which food samples below is positive with proteins?
1. Diwater
2. Evaporated milk
3. Egg white
4. 1% sucrose solution
una de las proteinas positivas ees la leche.
what is bromothymol blue
Answer:Bromothymol blue is a pH indicator. It is mostly used in applications that require measuring substances that would have a relatively neutral pH. A common use is for measuring the presence of carbonic acid in a liquid. It is typically sold in solid form as the sodium salt of the acid indicator
Source : Wikipedia
Which cell type has a defined nucleus?
Answer:
The Eukaryotic Cell
Explanation:
Has a nuclear membrane that surrounds the nucleus ,which well defined chromosomes are located.
eukaryotic cells!!! lmk if it’s wrong.
50 POINTS
Read the following genetics topics below. Choose a topic and then decide what side you are on. Remember that there is no "right" or "wrong" side. Ethical questions often have many points of view. Research your topic and write a persuasive essay at least 200 words in length and post it in the essay box below.
Topic 1: Should insurance companies have the right to learn the genetic profiles of the people they insure?
Topic 2: Should employers have the right to learn the genetic profiles of the people they hire? Are there special considerations for employees in jobs in which there is a high risk to others, such as airline pilots, doctors, bus drivers?
Topic 3: Should scientists who identify genes and create new genetic engineering techniques have the right to patent their methods for their own profit?
Answer:
1. Although the Genetic Information Nondiscrimination Act of 2008 bars the use of genetic information for health insurance coverage decisions, it does not do so when it comes to life insurance, disability insurance or long-term care insurance. ... And some insurance companies have already started asking.
2. Employers have the right to learn the genetic profiles of the people they hire so that they know the risks that they are taking should there be complications with an employee's health during his/her stay with the company.Jobs that were mentioned in the above statement do not and are not supposed to have special considerations for such situation because these people are holding the lives of their clients in their own hands every time they are out and doing their work.
3.It takes a lot of hard work to make a valuable discovery in genetic engineering, as in any other area. If the people who do the work aren't allowed to patent their discoveries then anyone can take the discovery and use it. The inventor of the new technique won't get any profit for the hard work done. Nobody will work in a field if they don't get paid for it. The new techniques and discoveries will never be made if the inventors don't get paid for their invention. In any event, the payment doesn't go on forever as patents expire in 20 years.
Explanation:
Answer:
Prompt: Should employers have the right to learn the genetic profiles of the people they hire? Are there special considerations for employees in jobs in which there is a high risk to others, such as airline pilots, doctors, bus drivers?
Answer:
My belief is yes and no. In my opinion, the choice really depends on what the job is. Yes, there would be special considerations for high-risk jobs, including first-aid workers, bus drivers, and pilots, to name a few. For example, if someone who was born with narcolepsy probably wouldn't be the best candidate for any type of transportation job. According to Mayo Clinic, "The cause of narcolepsy isn't well understood but may involve genetic factors and abnormal signaling in the brain." On the other hand, employers who are employing people for a camera company may need to know if one of their employees was color-blind for testing purposes, they wouldn't need to know if their employee was born with it or received it from an STD. However, the fact remains, the employers don't have a 'right' to know the genetics of their employees, and most likely, never will. "Genetic Information and the Workplace" says, "Employers should not obtain or disclose genetic information about employees or potential employees under most circumstances.... An employer should be able to disclose genetic information for research and other purposes with the written, informed consent of the individual."
Explanation: