What method is used in this experiment to make the plasma membrane of E. coli more fluid and easier for the foreign DNA to enter

Answers

Answer 1

Answer:b

Explanation:


Related Questions

2) What are the primary functions of all the Organic Compounds/Macromolecules?

Answers

Answer:

enter in formation of the body

Explanation:

provide cells with energystore energyhelp from cell membrance

What evidence of climate change on continents supports the theory of continental drift?

signs that glaciers existed in South Africa
similar coal fields on different continents
change in atmospheric temperature over time
same animal fossils found on different continents

Answers

Answer:

A

Explanation:

Edge2022

The evidence of climate change on continents that supports the theory of continental drift is similar coal fields on different continents. Hence option B is correct.

What is continental drift theory?

The theory of continental drift suggests that the Earth's continents were once joined together in a single landmass called Pangaea, which began to break apart around 200 million years ago.

This idea was first proposed by German scientist Alfred Wegener in the early 20th century, who noticed the striking similarities between the coastlines of Africa and South America.

Coal is formed from the remains of plants that lived millions of years ago, and its distribution can provide clues about how continents were once connected.

Coal fields found on different continents that match in age and composition indicate that the continents were once joined together in a larger landmass.

This supports the theory of continental drift, which states that the continents were once part of a single supercontinent that later broke apart and drifted into their present positions.

This evidence suggests that coal-forming swamps once existed in locations that are now separated by oceans and that these locations were once connected.

Hence option B similar coal fields on different continents is correct.

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look at the picture below. what word describes what is happening to the nutrients and water in the biome?

Answers

Given what we know about the water cycle we can confirm that the process that happening in the biome is the process of condensation

Although the water cycle can be divided and subdivided into various processes, we can simplify it into four simple steps:

EvaporationCondensationPrecipitation Collection

The one saw in the biome and one of the most essential parts of the cycle is condensation. It is the collection of water molecules into a single group that, when dense enough, fall back onto the earth as rainfall. In nature these take the form of clouds, meanwhile, in the biome, they appear as water on the sides of the container.

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Answer:

recyled

Explanation:

What is the probability that a couple will have a type A child if the mother has Type
A blood and is heterozygous for the trait and the father has type AB blood?

Answers

Answer:

50%

Explanation:

To solve this, we'd need to use a Punnett square.  Since the mother has a heterozygous genotype and has an A-blood phenotype, we know that she is AO and the father is AB.

          A             B

A       AA           AB

O      AO           BO

According to this, the four possible blood types, with equal probability are: AA, AB, AO, and BO.  Both AA and AO genes will result in type-A blood, since A is dominant over O.  Therefore, there is a 2 in 4 (or 1 in 2, or 50%) chance of the child having type-A blood.

If you breathed in air that had a lower oxygen concentration than your blood, describe what would happen in your alveoli.

Answers

Answer:

internal respiration

Explanation:

internal respiration is described by what your asking so that shows the in your alveoli would react with internal respiration and if it says im wrong then i dont what.

You have a water plant in a test tube. You place it outdoors. At what TIME OF DAY will
the oxygen level in the tube be the LOWEST?

Answers

You have a wayer plant in a test tube

the age of fossils can sometimes be determined by radiometric dating, which is based on the constant rate of decay of radioactive isotopes. the time required for half of a radioactive isotope to decay is called the half-life of that isotope. for example, the isotope carbon-14 has a half-life of 5,730 years.

Answers

Answer:

17,190 years Radiometric dating is a technique for determining the age of fossils that is based on the fact that specific radioactive isotopes decay at a constant rate.

Explanation:

The concentration of sodium on the inside of the cell is 20 mM. The outside of the cell has a sodium concentration of 115 mM. Which mechanism of ion uptake would best move sodium from the inside of the cell to the outside? osmosis diffusion passive transport active transport.

Answers

Answer:

It's active transport

Explanation:

The mechanism of ion uptake that would best move sodium from the inside of the cell to the outside is active transport.

What do you mean by Ion uptake?

Ion uptake may be defined as the process of movement of ions from one side of the membrane to the other.

Active transport helps in the movement of ions against the concentration gradient. It also requires energy. The active transport of small molecules or ions across a cell membrane is generally carried out by transport proteins that are found in the membrane.

Therefore, the mechanism of ion uptake that would best move sodium from the inside of the cell to the outside is active transport.

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Help me with this please

Answers

Answer:

4.Red

5. gamma waves

5. Gamma waves

Explanation:

if you look at the visible light they label all the colors for you red is at the end closest to increasing wavelength

What are the little hairs that line the nasal cavity and help trap microorganisms?

Answers

Answer:

c. Cilia is correct

Explanation:

when was the last time that you had your vital signs taken ?how was the result?​

Answers

Answer:

Normal vital sign ranges for the average healthy adult while resting are: Blood pressure: 90/60 mm Hg to 120/80 mm Hg. Breathing: 12 to 18 breaths per minute. Pulse: 60 to 100 beats per minute.Vital signs are measurements of the body's most basic functions. The 4 main vital signs routinely checked by healthcare providers include: Body temperature. Pulse rate.Checking vital signs is an important skill to learn, because it tells us how the person's body is functioning, helping us to monitor current conditions and alerting us to changes in health status. It can also give us clues to possible medical conditions that have yet to be diagnosed.

explain the effects of removing one organism from a terrestrial food web​

Answers

Answer: If one species in the food web ceases to exist, one or more members in the rest of the chain could cease to exist too. A plant or animal doesn't even have to become extinct to affect one of its predators.

Explanation:

If there is oxygen around, how will yeast cells make ATP?

Answers

ummm mom mm mmmmmmmmmmmmmm

8. Name three things that form during the cell cycle.​

Answers

Answer:

Hair, Blood Cells, and Skin

which choice is considered an integral membrane protein?

Answers

Answer:

not sure if this is multiple choice but the answer is a protein with its N-terminus in the cytoplasm and its C-terminus in the extracellular space

place each of the labels in the proper position to denote whether they would pass through the filtration membrane or not.

Answers

The labels that will pass through the filtration membrane are water, glucose, and sodium.

The labels that will not pass through the filtration membrane are red blood cells, lymphocytes, antibodies, and platelets.

The filtration membrane is a microporous glomerular barrier membrane made of polymeric materials that are used for the separation and filtration of substances based on their molecular weight.

Depending on the molecular size of a substance situated in the blood, we can determine if such substances can be filtered through the filtration membrane or not.

However, the lower the molecular weight of the substance, the higher their likelihood of filtration.

In the plasma, the substance that has a lower molecular weight are water, glucose, and sodium while substance associated with protein, blood cell, and platelets contains higher molecular weight.

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Explain why bacteria and archaea are prokaryotic cells and all other organisms are eukaryotic cells

Answers

Answer:

Archaea and bacterial cells lack organelles or other internal membrane-bound structures. Therefore, unlike eukaryotes, archaea and bacteria do not have a nucleus separating their genetic material from the rest of the cell.

Explanation:

which is a wildlife species category that state resource agencies may use

Answers

Answer: Large mammals, Small mammals, Upland birds, Waterfowl and wetland birds, Birds of prey.

Wildlife species are defined as undomesticated animal, plant, or organism that grows in the wild and are not introduced to humans. The species that can be used by the state resource agencies are large mammals, small mammals, birds of prey, and waterfowl.

The animals that can be hunted legally must be:

The animal can be used as food and should be useful. The population of the animals should be high. The hunters should have a challenge while hunting them.

Also, some species labeled as endangered must be protected by law. These species are on the verge of getting extinct and are present in the least numbers to harvest.

Thus, the state agencies may use large mammals, small mammals, and waterfowl.

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Which statement is true,please anwser i put more points


A, Individual genes are made of chromosomes

B, Most genes are made up of more than one DNA molecule

C, Some inherited traits influence more than one gene

D, Inherited traits develop because of the instructions in the gene

Answers

Answer:

I think B is right It can be wrong too

Answer: (D) Inherited traits influence more than one gene.

Explanation:

Fermentation occurs in the
presence of ATP
absence of ATP
presence of oxygen
absence of oxygen

Answers

Answer:

Fermentation occurs in the absence of oxygen.

why is mechanical digestion of food important?? please help I only need one reason marking brainliest btw

Answers

Answer:

it makes the food smaller

Explanation:

Mechanical digestion is a purely physical process that does not change the chemical nature of the food. Instead, it makes the food smaller to increase both surface area and mobility. It includes mastication, or chewing, as well as tongue movements that help break food into smaller bits and mix food with saliva.

If one plant is named Salvia greggii and another is named Salvia vanhouttei, what does this tell you about these plants?

A.) They belong to the same genus and can interbreed.
B.) They belong to the same genus and to different species.
C.) They belong to the same species and to different genuses.
D.) They belong to the same species and can interbreed.

Answers

C.) They belong to the same species to different genuses.

Answer:

They belong to the same species and to different genuses.

Explanation:

Observa el mapa de las fallas tectónicas de la Hispaniola y luego escribe las instrucciones

Porfa díganlo. rapido

Answers

Answer:

El 14 de agosto de 2021, un terremoto de magnitud 7,2 sacudió Haití. El terremoto más grande en la región desde 2010, el desastre dejó al menos 2,000 personas muertas, 12,000 personas heridas y casi 53,000 casas destruidas.

What would happen if I jump out of a plane without my parachute

Answers

Answer:

umm you would not live

Explanation:

the adaption, of Xylem cells is formation of a ________________.

I want the answer of this question please as fast as possible

Answers

Answer: The adaption, of Xylem cells is formation of a hollow tube.

Explanation:

During meiosis, the cells that are created are used during
a. regeneration of new tissue
b. regeneration of worn out cells
c. fertilization
d. cytokinesis
e. more than 1 answer is correct

Answers

Answer:

C

Explanation:

because fertilization is the fusion of male gamete and female gamete that arises from meiosis

A frameshift mutation that results in the insertion of three nucleotides is often less deleterious than a mutation that results in the insertion of one nucleotide. Why?

Answers

A frame shift mutation that results in the insertion of 3 nucleotides doesn’t reading frame of the downstream codons and proteins they will be made into.

A mutation that inserts a single nucleotide ultimately will change the reading frame and all of the codons (3 nucleotides) downstream of that insertion will make a different protein than they were suppose to or a stop codon could be made which will completely stop that protein from being made.

Example: AUG UAU ACU CAC
The example above will encode for the following proteins.

met, Tyr, Thr, His

3 nucleotide insertion in this example could be:

AUG UAU AAU ACU CAC

met, Tyr, Asn, Thr, His

1 nucleotide insertion mutation:

Example: AUG UAA U ACU CAC

Met, stop codon

Nucleotides after the A insertion are not made into proteins.

the entire period between one m phase and the subsequent m phase is called what?

Answers

Explanation:

Interphase: The entire period between one M phase and the subsequent M phase is called: interphase.

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Match the color components of light with the resulting color of light
A. Yellow
B. White
C. Magenta
D. Cyan
____1. Red + Green
____2.Red + Blue
____3. Green + Blue
____4. Red + Green + Blue

Answers

1. A
2. C
3. D
4. B

Explanation:

Answer:

» 1. A. Yellow » 2.C. Magenta» 3.D. Cyan » 4.B. White

the heart of an embryo starts to pump blood by the ________.

Answers

Answer:

fourth week of pregnancy

Explanation:

Mark me brainly please

Emerging from the placenta is the umbilical vein, which carries oxygen-rich blood from the mother to the fetal inferior vena cava via the ductus venosus to the heart that pumps it into fetal circulation.
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