The result of the Hershey-Chase experiment was that radioactivity could be detected inside the bacterial cells when they were infected by
bacteriophages marked with phosphorus-32.
What did the investigators conclude from this result?
A. Bacteriophages inject DNA into the bacterial cells.
B. Bacteriophages inject protein into the bacterial cells.
C. Bacteriophages inject carbohydrates into the bacterial cells.
D. Bacteriophage absorb DNA from bacterial cells.

Answers

Answer 1

Answer:

i belive that it is option a

Explanation:

Answer 2

Hershey and chase experiment proving that DNA is the genetic material. When the bacterial cells were infected with the P 32 and on entry on DNA it showed the entry of DNA in the cells.

What is the full form of  DNA ?

The full form of DNA is deoxyribonucleic acid where it is the deoxyribose sugar combined with nucleotides with the phosphorous group.

Bacteriophages are the species which only pass on their genetic material inside and in the experiment it followed the same protocols as well where the radiolabelled DNA with P 32 showed entry in the bacterial cells.

Therefore, bacteriophages are the showing radioactivity when the phosphorous combined with P 32  got mixed and expressed inside the DNA .

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Related Questions

if you answer correctly i will award brainliest

Answers

Second option/ the gametes produced by meiosis allow for closing organisms
the correct answer is B

PLEASE HELP (Over Due)

Answers

Pretty sure it’s a

Because they are both using energy to move and they are using energy into motion

2. Tania went outside and made two observations of the Moon that were several days apart. Her
observations are shown in the diagram above. The light part of the Moon appeared to get larger over
time. Why did this happen?

Answers

As the earth rotates the sun reflects larger parts of the moon over a course of a month

The reason why the light part of the moon appeared to get larger over time is because between the first observation and the second observation, the moon moved so that Tania was able to see not of the half that faces the sun.

It should be noted that from the observation that Tania made, the light part of the moon appeared to get larger over time.

The reason for the above want due to rotation but rather because the moon moved so she was able to see not of the half that faces the sun.

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Natural selection is the idea that individuals which are better adapted to
their environment are more likely to survive than other members of the
same species

Answers

Answer:

True

Explanation:

Which are cloud service account attributes?

Answers

I think it’s 2 , 3, and 4
Hope this helps!

DUE TODAY HELP ASAP HELP PLEASE BABAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaSAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Describe three things that you can do to conserve water. Why is it important that we all do what we can to conserve water? Use details to support your answer.

Answers

Answer:

We have to conserve water because we need it live.

Explanation:

We use water to clean ourselves, drink, and use in foods.

Answer:

Take shorter showers.

Install water-saving shower heads or flow restrictors.

Take baths.

Explanation:

These will save our water more often

Guys pls help me!!!!!!!!!!!

Answers

Answer: True

Explanation:

The purpose of vaccines is to stop the flu or polio from spreading like wildfire. Without vaccines, people might realize that the flu is way worse than we take it to be. Most people are actually dying from the flu in 2020-2021, although it is not seen that way.

Why will doing a defibrillator cause the heart to pump ?

Answers

Answer:

it shocks the hearts muscles jolting the heart into working again.

Explanation:

Answer:

Defibrillation delivers an electrical shock that causes all the heart cells to contract at the same time. This stops the abnormal rhythm and allows the heart to restart normal electrical activity.

Explanation:

How does condensation occur?

Water vapor rises from Earth's surface into the sky.

Water vapor cools and forms water droplets in clouds.

Water droplets fall to the ground from the sky.

Water runs across Earth's surface.

Answers

Answer:

1. Answer is B.

Explanation:

2. Bro this is something for the physics section, not biology.

Answer:

B.

Explanation:

Water vapor cools and forms water droplets in clouds. :o)

Hope it helps!

(Help) Why are the cells produced by meiosis considered gametes?

Answers

gametes are cells used to sexual reproduction. they are haploids and that means they have just one set of chromosomes (most of the cells of our body have 2 sets). that kind of cells is produced mainly by meiotic division of the gamete's stem cell (called oogonium or spermatogonium) and that's why meiosis usually leads to the production of gametes. gametes are haploids so that they could combine (egg with sperm cell) and create the whole new organism (adult organism is almost always diploid).

Please only answer if you have used in edge 2020
Micha is in her 12th week of pregnancy.

Which term would she use to describe her developing baby?

zygote
blastocyst
embryo
fetus

Answers

Answer:

D. fetus

Explanation:

on edg:)

Micha is in her 12th week of pregnancy. Fetus term would she use to describe her developing baby.

What is Fetus ?

The Fetus is a term used to describe particular period of time of pregnancy.

Initially, up to eighth week of pregnancy of mammal called Embryo. After the eighth week of pregnancy of mammal called Fetus until its born of baby.

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Quickly please!!! ill award brainliest!
What would be the genotypes of brown eyed parents who have a blue eyed offspring?

Answers

Answer:

If B is the allele for brown eyes and b is blue, the genotype of the blue-eyed man is bb. His wife must be a Bb heterozygote--she must have a B allele (she has brown eyes), but she must also have inherited a b allele from her blue-eyed mother (whose genotype was bb).

Explanation:

- Eijiro <3

PLEASE HELP WILL GIVE BRAIN!! The small dark cylinder shaped structures that help separate the chromatids are called !!

Answers

Answer:

Centrioles

Explanation:

Every animal-like cell has two small organelles called centrioles. They are there to help the cell when it comes time to divide. They are put to work in both the process of mitosis and the process of meiosis.

The small dark cylinder shaped structures that help separate the chromatids are called Centriole Structure.

31. Adult humans normally produce feces with low water content due to the activities of the A. large intestine B. small intestine C. stomach D. anus​

Answers

A, large intestine
This is where most of the water in our digestive system is absorbed into the body.

Adult humans normally produce feces with low water content due to the activities of the large intestine.

What are the functions of large intestine?

The large intestine absorbs water and changes the waste from liquid into stool. Peristalsis helps move the stool into your rectum. Rectum. The lower end of your large intestine, the rectum, stores stool until it pushes stool out of your anus during a bowel movement.

The large intestine has 3 primary functions: absorbing water and electrolytes, producing and absorbing vitamins, and forming and propelling feces toward the rectum for elimination.

The purpose of the large intestine is to absorb water and salts from the material that has not been digested as food, and get rid of any waste products left over.

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Please help !!!!!!!!!!

Answers

The mountains has a very pretty view! :)

Answer and Explanation:

The tectonic plates most likely formed those mountains, by having the tectonic plates come at each other, which would make them push up, forming the mountains. Hope this helps!

#teamtrees #PAW (Plant And Water)

ONLY ANSWER IF YOU KNOW

What is the main function of the Krebs cycle?

A. To break glucose down into two pyruvate molecules
OB. To produce carbon dioxide for use in the thylakoid
O C. To produce large numbers of ATP molecules
O D. To provide molecules for the electron transport chain

Answers

OF. To provide molecules for the electron transport chain

WILL GIVE BRAINLIEST (35 POINTS)
1-8 QUESTION

Answers

Answer:

Is this a scam to download this so you can be able to access my computer

Explanation:

what type of joint features mostly immovable articulations?

Answers

i think the answer is Fibrous joints

please answer ill give brainly

Answers

25mm=2.5cm and so 2.5 times 2 is 5cm so D

What causes matter to change states?
a change in the direction of the particles
a change in location of the particles
a change in size of the particles O
a change in the energy of the particles​

Answers

D. a change j. the energy of the particles

Many environmental advocates believe that biofuel made from palm oil is NOT an appropriate replacement for fossil fuels such as petroleum because ________. Many environmental advocates believe that biofuel made from palm oil is NOT an appropriate replacement for fossil fuels such as petroleum because ________. burning palm oil actually puts more carbon dioxide into the atmosphere than burning gasoline human rights are being violated because of the palm oil slave trade oil palm plantations take land away from coffee growers it is better to use palm oil in snack foods tropical forests must be cleared to plant oil palms

Answers

Answer:

tropical forests must be cleared to plant oil palms.

Explanation:

Renewable energy is also known as clean energy and it can be defined as a type of energy that are generated through natural sources or technology-based processes that are replenished constantly. Some examples of these natural sources are water (hydropower), wind (wind energy), sun (solar power), geothermal, biomass, waves etc.

Basically, a renewable energy source is sustainable and as such can not be exhausted.

Non-renewable energy refer to a type of energy that is generated through artificial sources or that cannot be replenished. It includes coal, natural gas, fossil fuels, petroleum

Many environmental advocates believe that biofuel made from palm oil is not an appropriate replacement for fossil fuels such as petroleum because tropical forests must be cleared to plant oil palms. Palm fruits are region selective plants and as such wouldn't didn't thrive in regions other than tropical forests.

Which of the following will be the most similar?

Group of answer choices

Two cells in the same tissue

Two tissues in the same organ

Two organs in the same system

Two systems in the same organism

Answers

Answer:

a

Explanation:

Cells are the functional units of life, this means that all living organisms are made up of cells. In multicellular organisms, cells are organized into complex structures such as tissues, organs and systems. A tissue is made up of similar cells which have the similar function. An organ is made up of several tissues while a system is made up of related organs. Example of a tissue is blood which is made up of similar cells such as red blood cells and white blood cells.

A: Two cells in the same tissue.

If this is incorrect, please, don't refrain to tell me. Thank you.

what causes differences in air preassure? ​

Answers

Answer:

Air temperature

Explanation:

These variations in air pressure are due to temperature differences caused by variations in solar energy received at the surface of the earth

Around once per _________________, the moon __________________ around the Earth.

Answers

Answer:

I think that your answer would be (Month , orbits)

Can only one help me :( I really need help, my life is messed up

Answers

Answer:

I think the answer would be the fourth one.

I believe the answer is the third option because people don’t often buy the ugly fruits and vegetables, which makes them go to waste. By the name of the second paragraph it seems like the author is insinuating a way to make customers buy ugly fruits and make them go to use rather be thrown away. Have a nice day!

Which of the following pair of genotypes result in the same phenotype?

Answers

Answer:

IB IB and IB i is the pair of genotypes that results in the same phenotype. genotypes means the genetic constitution of an individual organism. And phenotype is the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

Explanation:

If you had extracted DNA from animal cells instead of plant cells, what cell barrier would have been different?​

Answers

Answer:

Cell wall

Explanation:

Animal cells dont have a cell wall they only have a cell membrane whereas plant cells have both a cell wall and a cell membrane.

Which scenario MOST LIKELY represents genetic drift and why?
A. Scenario 1, because chance events led to a decrease in the number of dark beetles.
B. Scenario 2, because chance events led to a decrease in the number of light beetles.
C. Scenario 1, because the light beetles are most fit for the environment.
D. Scenario 2, because the dark beetles are most fit for the environment.

Answers

Answer:

A

Explanation:

The hurricane was by chance and genetic drift is about chance

Scenario 1, because chance events led to a decrease in the number of dark beetles. The correct option is A.

What is genetic drift?

Genetic drift is a random process that can result in changes in allele frequency in a population over time.

In Scenario 1, random events reduced the number of dark beetles, implying that the frequency of the dark allele in the population decreased.

Natural selection or other factors that would have favored light beetles over dark beetles did not cause this decrease in frequency.

The dark beetles were affected more than the light beetles due to chance events such as random mortality or reproduction.

This is a classic example of genetic drift, in which random events cause changes in allele frequencies over time in a population.

Thus, the correct option is A.

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PLEASE HELP
where specifically the grasshopper’s organism produces carbon dioxide? there can be more than one answer

Answers

Answer:

Tubules?

Explanation

The trachea, spiracle, and air sac are part of their respiratory system, Howeber, the tubules are what take away the carbon dioxide from their system. Im not sure if they produce the carbon dioixde. But they are a part of what removes the carbon-dioxide from their body.

1 pts
Which of the following statements most correctly explains why the genetic code is referred to as a universal code?

Answers

All DNA and RNA contain the same nitrogenous based in nucleotides. They are adenine (A), thymine (T) in DNA and Uracil (U) in RNA, Guanine (G), and Cytosine (C).
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