The major contribution made by Avery, MacLeod, and McCarty was 'transformation of nonvirulent cells with a DNA extract was blocked only if DNase was added'. This observation supported the idea that the transforming agent in Griffith's experiment was DNA.
The Avery–MacLeod–McCarty experiment showed that DNA was the transforming agent observed in Griffith's experiment.
Griffith's experiment (1928) suggested that bacteria were capable of transferring genetic information (DNA) by a process of horizontal gene transfer called transformation.
While the bacteria were killed by heat, Frederick Griffith observed that the DNA had was taken up by II-R strain bacteria via transformation.
Avery–MacLeod–McCarty experiment observed that protease enzymes did not destroy the transforming agent (but DNAse destroyed this transforming principle), thereby suggesting that the transforming agent in Griffith's experiment was bacterial DNA.
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What dangers do acid rain cause
Answer:
It causes respiratory issues in animals and humans. When acid rain falls down and flows into the rivers and ponds it affects the aquatic ecosystemAcid rain also causes the corrosion of water pipes, which further results in leaching of heavy metals It damages the buildings and monumentsExplanation:
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what is the meaning of thawing
Answer:
it is when something unfreezes usually
Explanation:
like ice, if you leave it out over time it turns into liquid or meat if it's frozen you leave it out to unfreeze
Compare the structure of a dicoty and monocot plant?
Answer:
hope my answer helps mark me brianliest
Explanation:
Monocots differ from dicots in four distinct structural features: leaves, stems, roots and flowers. ... Whereas monocots have one cotyledon (vein), dicots have two. This small difference at the very start of the plant's life cycle leads each plant to develop vast differences.
Mrs. Maxwell used the analogy “a cell is like a factory” to explain the idea of cell organization to her class, and she never went into any more details. Is this analogy good enough to present a true picture of a cell?
Answer:
Yes, because an organism can be considered a factory, so yes, a cell can be represented as a factory.
Explanation:
16
Which of the following is true regarding the tegmentum (a section of the midbrain).
ed
out of
Select one:
O a. It is continuous with the gray matter of the brain stem and processes information from spinal nerves
O b. It is continuous with the white matter of the brain stem and processes information from cranial nerves
O c.
It is continuous with the white matter of the brain stem and processes information from spinal nerves
O d.
It is continuous with the gray matter of the brain stem and processes information from cranial nerves
○A
It is continuous with the gray matter of the brain stem and processes information from SPINAL nerves
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Describe the movement of the tectonic plates in model C. What is this situation called?
Answer:
this is a transform plate boundary (AKA- transform fault)
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Why would small plants attach themselves to the sides of large trees high above the ground
How do hydrogen bonds between molecules explain why they are polar?
Answer:
The attractive force between water molecules is a dipole interaction. The hydrogen atoms are bound to the highly electronegative oxygen atom (which also possesses two lone pair sets of electrons, making for a very polar bond. Hydrogen bonds are very strong compared to other dipole interactions.
Explanation:
4. How do the nervous system and hormones
interact to maintain homeostasis?
Explanation:
through its receptors, the nervous system keeps us in touch with our environment. The portion of the brain that maintains the body's internal balance (homeostasis). The hypothalamus is the link between the endocrine and nervous systems. The hypothalamus produces releasing and inhibiting hormones, which stop and start the production of other hormones throughout the body
Cual seria la respuesta?
Answer:
2
3s+2p
Explanation:
by the way see the 2 above all the numbers that means squared!
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Please Help ASAP. I will give BRANIEST
Answer:Please Help ASAP. I will give BRANIEST
Explanation:id say it would maybe be the last one at the bottom
Answer:
d
Explanation:
White blood cells destroy_________ and remove them from the human body.
Answer:
pathogens
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Try to compare the landscape differences between the surface of the moon and the surface of the earth
Answer:
The Moon lacks an atmosphere, and the small amount of water that is present is "buried" in the polar areas. Finally, there is no life on the Moon. The major factor which does change the Moon's surface is the impact of meteoroids, forming craters. ... The surface of the Moon is very old, compared to the Earth.
Explanation:
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What does the term sustainable ecosystem mean sumbody answer rq
Answer:
Sustainability is the ability to maintain something over a long period of time. For an ecosystem, sustainability means maintaining ecological processes over long periods of time. ... So, if an ecosystem is able to maintain its structure and function over time in the face of external stress, it is said to be sustainable.
Explanation:
hope this helps!
Answer:
a sustainable ecosystem is an ecosystem that is able to maintain its structure and function over time in the face of external stress.
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Explanation:
wich statement is an example of a scientific theory
Answer:
Big Bang Theory.
Explanation:
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When there was a chemical reaction, what new substance was formed?
Answer : products
These starting substances of a chemical reaction are called the reactants, and the new substances that result are called the products.
Which pair of scientific words have the same prefix? (1 point)
O Cell walls and cell membranes
O Nucleus and Bacillus
O Coccus and Bacillus
O Microbiology and microscopic
Answer:
Microbiology and Microscopic
Explanation:
These words are the only two that share a prefix (the beginning of a word), which is micro.
The pair of scientific words out of the options given that has the same prefix is: D. Microbiology and microscopic
Note the following:
Prefix is a word or letter (affix) that is placed before another word.From the options given, microbiology and microscopic contain the same prefix: "micro-".
"Micro" means small or minute. Words that come after "micro" in biological science connotes something related to microorganisms. Such as microbiology and microscopic.
Therefore, the pair of scientific words out of the options given that has the same prefix is: D. Microbiology and microscopic
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Answer:
6) Cytokinesis of a plant cell
7) Anaphase
All of the following could describe an individual with antisocial personality disorder except____
A. impulsive
B. manipulative
C. aggressive
D. responsible
Answer:
D) responsible
Individual with antisocial personality disorder rarely accept responsibility.
What is antisocial personality disorder?
A person with antisocial personality disorder has a long-term pattern of manipulating, exploiting, or abusing the rights of others. Antisocial personality disorder (ASPD) symptoms can start as early as childhood, although the disorder isn't recognized until adolescence or maturity.Antisocial personality disorder causes people to deceive, breach laws, act rashly, and have little regard for their own or others' safety. With time, symptoms may fade. They rarely express regret or accept responsibility.What re the signs of antisocial personality disorder?
Antisocial behaviordeception, hostility, irresponsibility, manipulativeness, risk-taking behaviors, violence, impulsivity, impatiencelack of restraint Anger, weariness, or overall dissatisfactionPhysical substance addiction or abuse are also widespread.hence a person with antisocial personality disorder can be impulsive, manuplative and aggressive but not responsible.
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Answer:
D. Responsible
Explanation:
Edge 2022
Why is it essential to fix smears on slides before staining?
a. to cause swelling of the cell to make interior structures more visible
b. to provide a nutrient medium to sustain the bacteria
c. to attach them to the slide
d. to enhance the uptake of stains
In Ken Baum’s piece, which one do you think is the strongest policy argument against physician participation in a legally authorized execution?
The participation of a physician in a legally authorized execution goes against the oath taken by the professional, and this is the main argument against their participation.
A physician is a term used to describe a doctor who has obtained a university degree to practice medicine. Once completed their university career and in order to obtain their medical license, Physicians must take an Oath.
The Oath in question is the Hippocratic oath. Among many things, this oath tells the professional to act in a certain manner, always in the best interest of the patient in question. This is directly contradicted by the actions of a physician that participates in the legally authorized execution of a human being and is one of the main reasons against this participation.
Though I could not locate Ken Baum’s piece online to provide direct evidence, I have given a popular argument against the physicians' participation in this matter.
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The flesh on the inside of an apple is white, and devoid of pigments. Why is this the case?
Answer:
The outside only looks pigmented because of the color reflecting off it, but the inside is white and unpigmented because it is reflecting all the colors. Does this help?
Which macromolecule contains the most-dense source of energy for ATP production?
Answer:
Lipids store the most chemical potential energy. Carbohydrates are more readily available though so the body use carbs when it can before accessing lipid storages.
Proteins have some potential for making ATP but your body needs proteins to actually make the ATP and stuff so ideally you'll never really be burning protein for energy; rather it gets broken down and used for parts in machinery.
Explanation:
4. A student is given two different objects, a marble and a cube, that appear to be made of the same substance. The student did some measurements of the objects and
recorded the measurements in the table.
Volume before
adding the
marble
Volume of the
water with the
marble added
Mass of the
cube is 66
Mass of the
martile-715
Cube dimensions:
length 2.4 cm
width: 1.3 cm
height 2.7 cm
Using the student's measurements, What is the best determination that can be made about the objects?
The formula for density is D=MIV.
A. The objects are different substances because their masses are different
B. The objects are different substances because their densities are different.
C. The objects are different substances because their volumes are different.
D. The objects are the same substance because they have the same density
The true statement is that the objects are different substances because their densities are different.
Density is an intrinsic property of matter. It does not depend on the amount of substance present. It is a characteristic of substances. If two substances are the same, they must have the same density.
Considering the information presented here, the cube and the marble are different materials hence they have different densities.
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What is the function of proteins in a cell?
a. to control chemical reactions
b. to store genetic information
c. to cover the nucleus
d. to copy messages from DNA
Answer:
Explanation:
Why is Earth's outer core hotter than it's oceanic crust?
O Earth's oceanic crust is denser than Earth's outer core is.
O Earth's oceanic crust has lava flowing from the mantle.
O Earth's outer core has a composition of solid iron, and nickle.
O Earth's outer core is deeper within Earth than oceanic crust is.
Answer:
Earth's oceanic crust is denser than Earth's outer core is.Explanation:
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Skeletal muscles are controlled
.
Answer:
somatic nervous system
Explanation:
The chemical equation shown represents photosynthesis.
What is the role of substance A in photosynthesis?
It traps light energy from the atmosphere.
It combines with water to form glucose.
It cools the atmosphere by changing into vapor.
It changes into hydrogen in the presence of light.
Answer: The role of substance A in photosynthesis is: it combines with water to form glucose.
Explanation:
Answer: B. It combines with water to form glucose.
Proof of validity is shown below.
Which statement describes the role of the organism indicated by the blue arrow in the food web?
Food web showing several different food chains. The blue arrow is pointing to an image of a red-tailed hawk. The hawk is shown to eat wood ducks and meadow vole which in turn feed on grass.
© FLVS
A primary producer that recycles organic molecules from sunlight
A secondary consumer that obtains its energy from the consumption of animals
A primary consumer that obtains its energy from the consumption of animals
A secondary consumer that recycles organic molecules by breaking them down
Answer:
Its B
B. A secondary consumer that obtains its energy from the consumption of animals
Explanation:
I took the test and I git this one right, you don't have to give me brainliest if not required, I just looked up this question and saw if I could get this right to help
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A secondary consumer that obtains its energy from the consumption of animals.
Who are secondary Consumer?Organisms that consume primary consumers for energy are known as secondary consumers. Herbivores, or species that only consume autotrophic plants, are always the main consumers.
Secondary consumers, however, might either be omnivores or carnivores. Omnivores consume both plant and animal stuff, while carnivores solely consume other creatures. Whatever a secondary consumer may be, it still needs to eat primary consumers to thrive.
Secondary consumers can be found in almost every environment on earth and occur in a wide variety of sizes and shapes. The severe habitats that secondary consumers reside in include icy tundras, parched savannahs, and arctic lakes.
Therefore, A secondary consumer that obtains its energy from the consumption of animals.
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The solidifying agent used most successfully in bacterial nutrient media is?
Select one or more:
a. Agar
b. Gel agrose
c. Peptone
O d. Gelatin
Answer:
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