Most biology textbooks prior to 1990 listed the major function of ribonucleic acid (RNA) as transferring information from DNA to make proteins. In late 1989, Thomas Cech proposed that RNA had a second major function: as a catalyst for chemical reactions that occur inside the cell. His discovery surprised most scientists and caused the rewriting of many chapters in biology textbooks. What aspect of the scientific process does this best illustrate?

Answers

Answer 1

Answer:

The correct answer would be - overgeneralization of a hypothesis.

Explanation:

In this case, the scientist uses to think and listed the transferring information from DNA to make proteins as the main and major function of the RNA until Thomas Cech proposed that it is the second most important catalyst that takes place in the cell and catalyzes cell's chemical reactions.

This illustrates major aspects of the scientific process: overgeneralization of a hypothesis as RNA is not just a molecule that assists and transfers the information but new evidence found it has catalytic activity also.


Related Questions

The complementary strand of DNA to the DNA fragment GGC ATA CAT is: (DNA replication)

CCG UAU GUA
GTA TAT CCG
ATG TAT GCC
CCG TAT GTA
which one ^

Answers

Answer:

CCG TAT GTA

Explanation:

In DNA replication, adenine pairs to thymine and cytosine pairs to guanine. We take the template strand and pair the correct letters (A to T, C to G).

What do you mean by anaemia?​

Answers

Answer:

Anemia is a condition in which you lack enough healthy red blood cells to carry adequate oxygen to your body's tissues.

Explanation:

It is defined as a low number of red blood cells. In a routine blood test, anemia is reported as a low hemoglobin or hematocrit.

The principal is in desperate need of a blood transfusion but unfortunately has the rare blood type () and
needs a donor that is also O. He offers a reward to anyone who could help him. The vice principal knows
unfortunately that his blood type is heterozygous type A and that his wife is heterozygous type B. What is
the probability that one of their children will have the blood type to match the principal?

Answers

Answer:

The answer should be C

Explanation:

Help please need help this is due soon​

Answers

Answer:

2)parastice

4)predation

hope this helps and this is the far I can get

1 pts
Cells must function properly for the body to thrive and survive. The structure below is made up of carbon
based molecules that have a role in the function of the structure. Which statement best describes an important
function of the cell structure shown in the model below?

Answers

Answer:

Can you give me the answer choices or the photo to work off of?

Explanation:

In around 50 years, the peppered moth population changed from nearly all light wings to nearly all dark wings. Explain exactly how the moth population changed (evolved).

Answers

Answer:

The evolution of the peppered moth is an evolutionary instance of directional colour change in the moth population as a consequence of air pollution during the Industrial Revolution. ... Later, when pollution was reduced, the light-coloured form again predominated.

Ecological succession usually includes changes in all of the following EXCEPT-


A. The number of different kinds of plants

B. The number of plants of any one species

C. The overall size of the dominant plants

D. The rate at which species produce offspring

Answers

Answer: its d i just took the test

Explanation:

Ecological succession usually includes change EXCEPT for the option" A" which is the number of different kinds of plants.

What is Ecological succession?

Ecological succession is the process that describes how the structure of a biological community (that is, an interacting group of various species in a desert, forest, grassland, marine environment, and so on) changes over time.

Thus, according to ecological succession, the number of different kinds of plants.

To learn more about ecological succession click here:

https://brainly.com/question/26683356

Please Help Quickly!!!
A human cell contains 46 chromosomes. If the cell undergoes mitosis and divides, how many chromosomes will each daughter cell contain?
a. 12
b. 23
c. 46
d. 92

Answers

Answer:

c

Explanation:

A scientific _______ is an explanation based on many observations by many different researchers.

A scientific _______ is usually an explanation based on one observation by one researcher.
A.
theory; hypothesis
B.
deduction; inference
C.
hypothesis; theory
D.
inference; deduction

Answers

D is the answer

Inference is derived from many or different point of views while a deduction can be gotten or subtracted by one individual or researcher.

HELP!!!! 50PTS!!!!!!

When some organic molecules, such as lipids, are added to water, vesicles can form. Which of the following best describes how scientists hypothesize true cells evolved from vesicles? (3 points)
Vesicles became enclosed by a membrane, thus becoming organelles for larger cells.
Vesicles containing amino acids fused to form nucleotides, RNA, and DNA.
Vesicles surrounded organic compounds and catalyzed reactions to form macromolecules.
Vesicles that contained self-replicating RNA grew, split, and passed their RNA to daughters.

Answers

Answer:

DNA can store genetic information and most likely appeared before RNA.

Explanation:

Answer:

Vesicles that contained self-replicating RNA grew, split, and passed their RNA to daughters.

Explanation:

RNA played role in protein synthesis and also created its own catalyst.

How do mountains affect the climate of a region?

(giving brainlist)

Answers

On the windward sides of mountain ranges, they raise precipitation. When they move toward land, they cause cold, moist air from the oceans to rise. On the leeward sides of mountain ranges, they reduce precipitation totals.

(Hope this helps!!!) Can I pls have a brainliest??

Answer:

As context, there are two sides of a mountain range:

A) The windward side

B) The leeward side

As mountains are tall, they block clouds which are in the troposphere. All the moisture thus falls onto the windward side, while almost none of the moisture from the rain gets to the leeward side.

In a nutshell, mountain ranges create barriers for precipitation which blocks off moisture to the leeward side, creating deserts.

This is why you see mountain ranges near deserts.

An image of an influenza virus is shown. The spike-like structures that cover the virus are surface proteins.
What is the function of the surface proteins on the influenza virus?

Answers

Answer:

D. to remove a host cell's DNA

Explanation:

I hope that this helped you :D

Answer:

I got it right... this is a first choice D) to remove a host cell's DNA

Explanation:

thank you!

give me a mark for brainly

8. Most importantly, adaptations must improve a
species' ability to:
a. Eat
b. Escape threats
c. Get oxygen and water
d. Reproduce


~i’ll give u a brainly~

Answers

The answer is C you need water and oxygen to survive u can go a lot longer without food then water

The starfish's water-vascular system is used for locomotion and capturing food. True/False

Answers

Answer:

true

Explanation:

ASAP due today
Explain one challenge we face using nuclear energy.

Answers

Answer:

The major challenges facing the nuclear industry include ensuring power plant safety, protecting reactors from natural disasters and external aggression, and finding effective solutions for long-term waste management.

Explanation:

Answer:

The major challenges facing the nuclear industry include ensuring power plant safety, protecting reactors from natural disasters and external aggression, and finding effective solutions for long-term waste management.

Have a nice day!

Which phrase best describes what a soil horizon is? Question 3 options: the bottom layer of a soil profile each layer of a soil profile the place where two soil profiles meet the place where a soil profile meets bedrock

Answers

the place where two soil profiles meet i believe!

Answer:

It is answer C

Explanation:

The person in front is correct I took they quiz

What is the connection between work and power? Name three

Answers

Answer:

Work is the energy needed to apply a force to move an object a particular distance, where force is parallel to the displacement. Power is the rate at which that work is done.

Explanation:

Hi There!

Hope This Help?

Please Mark Me Brainly!

they both have authority

they both are very common

they both are normally taken by serious people

what is the possible liminations of using hair as evidence in crime investgation s\

Answers

Answer:

A limitation of using hair as evidence from a crime scene is that hair can not be directly linked to a suspect. It is impossible to say that a hair sample came from only one specific person.

Answer:

How it got there. Anyone's hair can be carried and blown from anywhere, if so you'd have to go through every persons dna that had contact with a victim and contact with the contactie and so on and so on.

Your best friend is concerned about a mole on her arm. Knowing that you are taking a biology class she comes to you and asks for your opinion. You take a sample of her mole and view it under a microscope. While counting a selection of 300 cells, you notice that 87 cells are actively undergoing mitosis. Should your friend be concerned?

Answers

mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth. if they do not align correctly, they cannot move individually to opposite poles in the later phases of mitosis, and the result will be one cell with extra chromosomes and a daughter cell with missing chromosomes. These mutations can lead to harmful results such as cell death, organic disease or cancer.

Answer:

She should consult a dermatologist immediately.

Explanation:

When doing preemptive diagnosis of a mole, one should compute the Mitotic Rate (MR) - and the MR reported in the question is way above the highest category "greater than 4 per square millimeter" (to compare. there's around 2000 cells per sqmm of skin, so we're at over 500 per square millimeter).

Which statement best explains why a bird may build a nest in a hidden location?

A.Birds build nests in hidden locations because it’s an innate behavior.

B.Birds build nests in hidden locations to avoid predators and decrease the probability of successful reproduction.

C.Birds build nest in hidden locations because it’s a learned behavior.

D.Birds build nests in hidden locations to avoid predators and increase the probability of successful reproduction.

Answers

Answer:

The answer is D

Explanation:

dose DNA have cells


i need to know for a assingment

Answers

Answer and Explanation:

Cells are made of DNA (Deoxyribonucleic Acid).

They provide the genetic instructions for making and forming a cell.

The DNA is found inside the nucleus of the cell.

Because the cell is very small, and because organisms have many DNA molecules per cell, each DNA molecule must be tightly packaged. This packaged form of the DNA is called a chromosome

DNA do NOT have cells, but cells DO have DNA.

#teamtrees #PAW (Plant And Water)

Most plant growth takes place in the ____________________ of the root

Answers

Answer: Primary Growth

Most primary growth occurs at the apices, or tips, of stems and roots.

Explanation:



3:Briefly describe in a paragraph your learning Online experience as a Science students.​

Answers

Answer:

i also don't know i am in 9 hahahaha

Answer:

               I honestly love it! Not only does online school give me more freedom to do my daily activities such as sports and cooking but it also reduces my in-person learning stress. With science specifically, I can create visual representations of the lesson/subject matter to help me better understand the question or item being taught. It can also be more difficult at times because you don't have a teacher that you can raise your hand for and get an immediate answer or help with your question as you would in a typical brick-and-mortar/physical school classroom.

Hope this helps and please leave me brainliest!

Muscles cannot function without ATP. Review your knowledge of ATP by answering the followini
questions.
ATP molecules store and release_____.

Answers

Answer:

energy

Explanation:

hope  it helps.

Answer:

ATP molecules store and release energy.

Energy is released when ✔phosphate bonds are broken.

edge ✅⬇️

Match the following.

1. any substance that kills germs
2. drugs that attack specific bacteria
3. substance that attacks fungi
4. chemical that destroys pathogens inside the body
antibiotics
germicide
anti-infective
antifungal agents

Answers

Explanation:

1. any substance that kills germs

ans. germicide

2. drugs that attack specific bacteria

ans. antibiotics

3. substance that attacks fungi

ans. antifungal agents

4. chemical that destroyed pathogens inside the body

ans. anti-infective

7. Should parents be allowed to manipulate the genes of their children to select for certain
traits when the children themselves cannot give consent?

Answers

Answer:

Maybe

Explanation:

It depends. Is the trait harmful? Parents should do their best to avoid harmful traits for their children, but no not if its not harmful

HELP ME I PROMISE ILL GIVE YOU ANYTHING

Answers

Nucleus
Function : DNA Storage
It’s is the room where blue prints are kept


Mitochondrion
Function : Energy production
It’s is the power house

Rough Endoplasmic Reticulum (RER) function :Protein production; in particular for export out of the cell
It’s Primary production line - makes the toys


Lysosome
Function : protein destruction

It’s Recycling and security

What is cell theory

Answers

Answer:

The cell theory is as we know it now in biology, its the idea of which all living organisms are made up of cells, and that these cells are the basic structured unit of life in living organisms. Additionally, that all cells come from pre-existing cells. Hope this helped!

Explanation:

why is taking action for global warming important? please help

Answers

Answer: Global warming will cause significant harm to the health of persons and their communities by compromising food and water supplies; increasing risks of morbidity and mortality from infectious diseases and heat stress; changing social determinants of health resulting from extreme weather events, rising sea levels,

Why are enzymes important for chemical
reactions?

Answers

Answer:

Enzymes greatly increase the reaction rate, or catalyze them.

Explanation:

Without them, many of us would not be alive, because the reactions wouldn't be fast enough!

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