Các nhà khoa học/thường sử dụng những kỹ thuật nào để phân lập tế bào và các bào quan từ những hỗn hợp phức tạp? Hãy lấy ví dụ về việc phân lập một loại tế bào sinh vật cho việc nghiên cứu này?

Answers

Answer 1

Answer:

Immunomagnetic cell separation, fluorescence-activated cell sorting (FACS) and density gradient centrifugation.

Explanation:

Immunomagnetic cell separation, fluorescence-activated cell sorting (FACS) and density gradient centrifugation are the techniques used by the scientists to isolate cells and organelles from complex mixtures. Density gradient ultracentrifugation is a common technique used to isolate and purify biomolecules and cell structures so in my opinion Density gradient ultracentrifugation is the best method to isolate biological cell for this study.


Related Questions

Which is most likely the healthiest serving of meat?

Answers

Answer:

Option C

Explanation:

In simple words, Baked skinless chicken breast in tomato sauce is indeed the cleanest meat dish. Because there is no lard or butter used here, there is no skin, and there is some nutritious tomatoes sauce this really is the cleanest meat of them all.

Thus, from the above we can conclude that the correct option is C.

Write the word TRUE if the statement is correct and FALSE if the statement is wrong. 1. Self- assessment is an occupation or profession that requires special training. 2. Career is designed to familiarize students with the various careers in the medical profession and allied health services. 3. Health career planning refers to an individuals plan to make a career choice , growing in the chosen career or making a career shift. 4. Career planning involves the very important step of self - assessment. 5. Self Assessment discover your personal strengths. 6. One we consider in planning a career is good salary. 7. Find a health career that fits your educational plans. 8. Decision making involves continuous learning and improvement to build and grow in the chosen career path. 9. You can explore different careers and work environments through career fairs , online research , meetings , internships , alumni connections , professional resources. 10. Plan achievable goals and develop strategies to reach your goals , organize your goals into smaller steps , identify actions for each step , utilize helpful people and resources , review and adapt your plan regularly.

Answers

Answer:

1. False

2. False

3. True

4. True

5. True

6. True

7. True

8. False

9. True

10. True

Explanation:

To grow in a chosen field, it is important to make plans. Health Career is designed to familiarize students with the different careers that can be mastered in the medical field. To plan a career, several considerations such as good salary, impacting people's lives, doing what we like, and that has room for advancement are factored in.

Self-assessment is needed in planning a career and it requires continuous learning and improvement and this will help one know what he is good or bad in.

in the swim and survive program, why do we need to know the different characteristics of people in difficulty? Explain the different characteristics.​

Answers

Explanation:

Since this performs four key roles, the kicking has a significant impact on total speed: There is almost no recovery period with a six-beat kick, resulting in a more consistent propulsive power. If you don't want to concentrate on your legs to enhance your swim performance, only utilise a two-beat kick.

An invisible form of radiation from the sun that can cause sunburn and increase the risk of cancer is

Answers

Answer:

Ultra violet rays, commonly known as UV rays, is a form of electromagnetic radiation that is present in sunlight, but also is used in tanning beds and tanning lamps. The rays damage DNA in skin cells, which when exposed to over time can increase ones risk for the genetic mutations that lead to skin cancer. The wavelength of UV rays is shorter than visible light, which is associated with skin burning.

Hope this helps!

Which is not a metabolic waste in humans?

A) carbon dioxide
B) oxygen
C) salt
D) urea
E) water

Answers

Answer:

C. salt

Explanation:

What does ''Twice as Old'' means??
Need explanation

Answers

twice as old as" means we will be multiplying by 2. "her cousin" - we need a new variable C to represent her cousin's age. "was three years ago" - 3 years ago means we will have to subtract 3.

What is the principle of "recovery" and why is it important?

Answers

Answer:

The Recovery Principle dictates that athletes need adequate time to recuperate from training and competition. Many believe that an athlete's ability to recover from workouts is just as important as the workout itself.

CORRECT ^^^^^^^^^^^^^^^^^^^^^^^^^

4. What is the purpose of the maintenance phase of recovery?
A. to reduce the life-threatening effect of alcohol withdrawal
B. to help the patient choose a treatment that best suits his or her needs
C. to explain the dangers involved in continued alcohol abuse
D. to help the recovering alcoholic avoid relapse

Answers

Answer:

A

Explanation:

The maintenance phase of recovery helps alcoholic victims not to go back to their bad habits, thus improving the victims state of health.

Ayuda pls

Reportaje
Sobre Salud y Bienestar en tiempos de pandemia

Answers

Answer:

Explanation: Usé un traductor y, además, la salud de muchas personas era mala debido a la pendemia.

How many simple eyes does a bee have?
a. 3
b. 2
C. 6​

Answers

Question:

> How many simple eyes does a bee have?

Answer:

-- 5

(the answer should be 5)

The honey bee has FIVE eyes, two large compound eyes and three smaller ocelli eyes in the centre of its head.

All types of bees really do have five eyes. The two big eyes on a bee are called compound eyes because they are made up of thousands of tiny lenses. Bee eyes also don't see the same colors we do. They can see ultraviolet light, but we can't.

I hope it helps!!

"Green forest is the wealth of Nepal"​

Answers

Answer:

Wealth of Nepal is agriculture

Explanation:

GDP is 26.5%

We monitor our heart rate during our cardiovascular activity to measure the_____ of our cardiovascular workout

Answers

Answer:

Intensity

Explanation:

The harder you work, the faster your heart will beat

7. If Bob has a low temperature reading in his fingers, might he be stressed or relaxed?

Answers

Bob will be stressed out
If his temperature is reading low bob is stressed

URGENT!!! WILL GIVE BRAINLIEST!!

Which of the following is the order of events when HIV enters the body?


T-4 cells take over HIV cells, then HIV takes over the bloodstream and T-4 cells destroy the HIV cells.


HIV invades the bloodstream and spreads over the entire body.


HIV invades a T-4 white blood cell, takes over that cell, reproduces and HIV particles enter the blood stream and take over other T-4 cells and the immune system weakens because of a lack of T-4 cells.


T-4 cells take over HIV cells.

Answers

Answer:

T-4 cells take over HIV cells, then HIV takes over the bloodstream and T-4 cells destroy the HIV cells.

how can I start off my informative essay of getting and staying healthy​

Answers

Talk about how one can start by recognizing that they aren’t eating healthy and that it’s not okay. Also about knowing who they can reach out to when they want to not continue eating healthy or what they can do to continue eating healthy. Hope that made sense and helps you!

What are the reproductive organs? What animals reproduce through the sexual method? Plss answer fast
Subject is science it's not in the options so I put health please answer fast ​

Answers

Answer:

Both male and female parents are involved in sexual reproduction in animals. Sexual reproduction is the process of female and male gametes fusing to create new individuals. Reproductive Organs in Animals Reproductive organs of male include two testes, a penis, and sperm ducts.

Hope This Helps :D

Answer:

Many organisms can reproduce sexually as well as asexually. Aphids, slime molds, sea anemones, and some species of starfish are examples of animal species with this ability.

I hope it helps

what is your role as a teacher to empower the learners at your school about appropriate use of social media platforms​

Answers

Answer: 1) I would make them understand that social media is a world on it's own, which has a different way of relating, engagement etc

2) I'll make them understand that they can build their career platforms through it, they can build their profile and project to the world what they are good at.

Explanation:

As a teacher, there are ways I can instruct students on how to use social media. Enlisted are the ways;

1) I would make them understand that social media is a world on it's own, which has a different way of relating, engagement etc

2) I'll make them understand that they can build their career platforms through it, they can build their profile and project to the world what they are good at.

3) I would make them understand that social media is also a school, where you learn the good, bad and best, also they should sieve what they pay attention to

4) I would make them understand that attitude is important when relating with people online and they should always act right

health education helps to be free from fatal diseases.justify.​

Answers

Answer:

Health is not just in the absence of disease, but a whole state of physical, mental and social well-being.

Explanation:

fatal  diseases

Death has occurred or is inevitable as a mortal illness. The inevitability of what actually led to death or destruction is stressed by a death injury fatal. It has fatal consequences which are deadly or which exist for the destruction of life.

Education in health helps to avoid fatal conditions. It helps us to provide health education and free us from various diseases. Many people are now dead because of the lack of education in healthcare. Health training therefore provides healthy information and preserves the environment, as well as health care, food, dress, etc.

PLSS HELP AND THANK YOU :)

What do you feel you made your biggest improvement in Self-confidence level?

Answers

Answer:

jhhkh do

Explanation:

hall kapda kapda

I feel I have made the biggest improvement of focusing on myself more and managing my time with others. I started to keep myself as a priority and manage my mental health on how much I can take. This has improved my self confidence tremendously as it helps me preform more tasks efficiently.

Which disease is related to a malfunctioning pancreas?

Answers

Answer:

Pancreatitis

Explanation:

There are many diseases related to a malfunctioning pancreas but pancreatitis is the most common.

The pancreas also plays a role in diabetes In type 1 diabetes the beta cells of the pancreas no longer make insulin because the body's immune system has attacked them. Hope this helps :)

According to the Trafficking Victims Protection Act, or TVPA, how might one be induced into sex or labor trafficking?
O through force, fraud, or coercion
O through payment for services
O through prevention and prosecution
O through legitimate job advertisements

Answers

Answer:

A

Explanation:

The Trafficking Victims Protection Act (TVPA) states that pressure, fraud, or force may be used to compel someone to engage in sex or labour trafficking. Therefore, the correct option is option A.

The TVPA was initially passed in the US in 2000 and has subsequently undergone multiple renewals and expansions. It acts as a thorough legislative framework that tackles both local and foreign human trafficking. Combating human trafficking, protecting victims, and ensuring that traffickers are brought to court are some of its key goals. According to the TVPA, the recruiting, harbouring, transit, providing, or acquisition of a person through coercion, deception, or force is referred to as human trafficking.

To know more about Trafficking Victims Protection Act, here:

https://brainly.com/question/12569115

#SPJ4

True or false, Alcohol is an example of a stimulant.

Answers

false. alcohol is a depressant.

Answer:

False

Explanation:

Alcohol is a depressant with some stimulant effects. In small doses, it can increase your heart rate, aggression, and impulsiveness. However, in larger doses, alcohol typically causes sluggishness, disorientation, and slower reaction times, as it decreases your mental sharpness, blood pressure, and heart rate.

SUBJECT: PSYCHOLOGY

Question: Vestibular receptors enable one to balance.
True or False?

Answers

Answer:

Vestibular receptors enable one to balance. -- True

hope it helps

have a nice day

Answer:

True

Explanation:

edge

Select the developmentally appropriate activities a child 6 - 12 months old will master.
eating
talking
crawling
standing
walking

Answers

Crawling and eating
Crawling & standing should be mastered by one year. For sure. Walking should be between 12 months to 12 1/2 months.

So the answer is standing & crawling.

should someone poisened be givin water

Answers

Answer:

*Should someone be poisoned from water

Explanation:

Answer:

if this is a genuine question it depends on the crime

Explanation:

Within a year of the first vape devices being released, the World Health Organization released a warning that

Answers

Answer:

vapes can be dangerous and it could cause cancer

Explanation:

because it contains carcinogens

It was one of the good ones like they thought it was good alternative.

Drink water at least every __
minutes while exercising in hot
weather.

Answers

Every 15 minutes. 15-20 oz 1-2 hrs before you workout, 8-10oz 15min before

Answer:

20 minutes

Explanation:

It's at least 20 minutes

Symptoms of gonorrheal infection include which of the following? Choose the best possible answer.

Nose bleeds, missed periods, a rash around the vagina

Painful, burning sensation when urinating, vaginal bleeding between periods, increased vaginal discharg

Increased vaginal discharge, nose bleeds, a rash on the breast area

Bladder infections, painful bowel movements, nose bleeds

Answers

The answer is the three one

The term agility as a physical fitness skillis, is best described as the ability to.....
A.Keep an upright posture while standing or moving effectively
B.Combine the use of the senses and body parts
C.Quickly change and control body position and movements
D.Use strength with speed ​

Answers

Answer:

it's C.

if you watch Avatar: The Last Airbender TV SERIES (not the creepy movie), it's the characteristic that Master Piandao complimented Sokka *wink*

when treating a heat casualty for heat cramps you should have them sip 1/2 glass of water (6-8 ounces) over a period of ___ minutes.

a. 5
b. 10
c. 15
d. 30

Answers

D.30 I hope is helpful
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