Answer:
The pre-mRNA molecules undergo three main modifications. These modifications are 5' capping 3' polyadenylation and RNA splicing which occur in the nucleus before RNA is translated.
Explanation:
mRNA compares to the hereditary succession of quality, and is perused by a ribosome during the time spent combining a protein.
How mRNA can be modified?it should go through extra handling before it leaves the core. This might incorporate joining, altering, and polyadenylation. These cycles adjust the mRNA in different ways. Such alterations permit a solitary quality to be utilized to make more than one protein. Exons are segments of mRNA which become "communicated" or converted into a protein. They are the coding bits of a mRNA atom.
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characteristics of a respiratory system
Answer:
they allow you to breathe, they exchange gases in bloodstream and body tissues, and they allow you to smell.
Answer:
Movement of an oxygen-containing medium so it contacts a moist membrane overlying blood vessels.
Diffusion of oxygen from the medium into the blood.
Transport of oxygen to the tissues and cells of the body.
Diffusion of oxygen from the blood into cells.
50 points
Which of the following are true of enzymes?
Choose every answer the is correct
Specific enzymes can only facilitate one or two reactions.
Enzymes are not changed by facilitating a reaction.
Enzymes lower the activation energy of a reaction.
Each specific enzyme can facilitate many different reactions.
Enzymes are specialized proteins.
Enzymes raise the activation energy of a reaction.
Name the infection agent that can be good or bad for the human body and scan even live on skin?
A. Fungi
B. Bacteria
C. Viruses.
Answer:
fungi
Explanation:
creates lung disease,,, etc
hope it helps :))
Answer:
B. Bacteria
Explanation:
viruses in most cases are not good for the human body since they mutate so much. while most germaphobes hate bacteria it is really useful and needed in the body. for example the amount of bacteria in our body that keeps us alive. but of course there are bad types of bacteria. like E coli. which is found in under cook and contaminated food.
The graph shows the rate of the reaction of an enzyme-catalyzed
reaction at different temperatures. Which statement is best supported
by the data?
as the temperature increases the enzymes gradually increase their performance until it reaches the optimum temperature which is the peak after that it denatures because teh temperature is too high and hence the activity drops quickly.
As the temperature increases the enzymes gradually increase their performance until it reaches the optimum temperature which is the peak after that it denatures because teh temperature is too high and hence the activity drops quickly.
What are enzymes?Enzymes may be defined as the bio catalyst that can increase the speed of a bio chemical reaction of the body. Enzymes decreases the activation energy of the reaction and maintains the reaction equilibrium.
Wendy has investigated the rate of the catalysis of reaction at different temperatures. Enzymes are very specific in nature and works at optimum temperature conditions only. The enzyme catalyze the reaction at highest speed if the temperature is optimum for the enzymes.
Enzymes are the biocatalyst that increases the rate of a reaction without getting consumed in a reaction. They participate in the reaction and increase the rate of the reaction by decreasing the activation energy of the reaction.
The relation between the reaction rate and enzyme is shown in the following graphs. The rate of reaction is on the x-axis and the enzyme-catalyzed reaction is on the y-axis.
Therefore, As the temperature increases the enzymes gradually increase their performance until it reaches the optimum temperature.
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How do waves change as they approach the shore?
A. Friction acting on the top of the wave increases.
B. The height of the waves decreases.
C. The distance between crests increases.
D. The wavelength decreases.
Spontaneous generation is the idea that new living organisms can form from nonliving matter. Cell theory, however, states that cells
can only grow from other cells.
Which of the following experimental results supports the idea that new cells can only form from other cells?
A. A plant cell had its cell wall broken, and the cell was found to no longer be able to function.
OB. A piece of uncovered meat that was left outside contained maggots by the end of one day.
OC. A container of soup that was heated and sealed did not grow mold even after several months.
OD. A mold sample examined under a microscope showed a regular structure made of many individual cells.
Answer: C. A container of soup that was heated and sealed did not grow mold even after several months.
Explanation:
Can someone give your perspective on the negative impact of human activity on the environment. include pollution of marine and wetlands.....PLEASE I NEED THIS ONE!
thanks:)
Which process occurs in sexual reproduction?
(1) fission
(2) budding
(3) vegetative propagation
(4) fusion of gametes
what is the scientific name of the family that the kiwi bird belongs to
Answer:
Kiwi are part of a group of largely flightless birds known as ratites.
what are cork tissues? how are they formed?
Answer:
Cork is a protective tissue that separates the living cells of the plant from the outside environment. The formation of cork in the periderm is the result of the activity of a secondary meristem, the cork cambium, or phellogen.
Explanation:
help please!!! don’t mind the answer that’s filled in already i don’t know the answer
Answer:oop
Explanation:thats hard
The recent development of hybrid and electric vehicles has what effect on
the environment?
Please help for my homework
Answer:
They help reduce greenhouse gas emissions, but the downside is hybrid cars require more energy to produce than normal cars
Explanation:
Ok I'll see what I can do. I'll try my best to provide you the correct answer.
Two kittens in a litter are genetically different from each other and from their parents. These genetic difference are most directly due to....
Answer:
sexual reproduction there i didn't want to type that
How are water scarcity and water pollution related?
Water pollution is a solution to water scarcity.
Water scarcity contributes to water pollution.
Water pollution contributes to water scarcity.
Water scarcity is a solution to water pollution.
I NEED HELP ITS DUE RIGHT NOW PLEASE ( biology question !!! )
Answer:
A is the correct answer.
What is the name given to the study of classifying organisms
Answer:
Taxonomy!
Explanation:
Which of the following is not true of chromosomes?
They are condensed form of chromatin for cell division
They are found in the nucleus of cells
They are found on genes
They are made up of DNA and histones
Answer:
I believe its B, I could be wrong
hola i need sum help pls
Answer:
Oxygen is used to break down sugar and sugars release energy
Second part:
17. What are gremline cells
18. How is mitosis different from meiosis?
Answer:
just see explainnation
Explanation:
what is gremline cells tell me and the teach me what is mitisis ok and then teach me meiosis ok the I will tell u answer of thes question
If a cell normally has 16 chromosomes goes through Meiosis, how many
chromosomes will be in each cell at the end?
Answer:
16/2= 8
Explanation:
8. This
type of consumer is vital for making nutrients available to other organisms.
a. Decomposer
b. Grazer
Herbivores get energy by eating plants. Plants get energy from sunlight. Why does most of the energy captured by plants never become available to herbivores?
Answer:
Because they lose most of the energy as heat when they perform metabolic activities
Explanation:
Cells of all living organisms require energy in form of ATP to perform their cellular functions. In an ecosystem, organisms obtain this energy by feeding on one another. However, these energy transfer starts from organisms capable of using sunlight called PRODUCERS e.g plants.
Herbivores, which are PRIMARY CONSUMERS get their energy by feeding on these plants. However, according to the PYRAMID OF ENERGY, which represents the flow of energy in an ecosystem, only a few portion of the energy (about 10%) derived by plants from the sun gets transferred to herbivores. This is because most of the energy (about 90%) is lost as heat when the plants undergo metabolic activities.
The majority of the energy captivated by the plants never become accessible to herbivores because of the 10 percent rule, that is, for each trophic level, only approximately 10% of the energy moves from one level to the next level.
• An animal, which primarily consume plants and its products is termed herbivore.
• The herbivores occupy the second level and consume producers, that is, the plants, thus, they are termed as the primary consumers.
• Approximately, 10% of the energy is passed from one level to the next, for each trophic level. This is known as the 10% rule.
• Due to this rule, the herbivores only get about 10% of the energy stored by the plants they consume.
Thus, due to 10% energy rule, the majority of the energy captured by the plants never become available to herbivores.
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Classify photosynthesis and cellular respiration as endergonic or exergonic. Explain how you know.
Explanation:
photosynthesis is an endergonic process as it involves the absorbtion of energy (in the form of sunlight), while cellular respiration is an exergonic process as it involves the release of energy in the form of ATP molecules-the energy currency of the cell.
A cell that produces a lot of lipids would have a lot of which organelle?
Answer: The answer is the endoplasmic reticulum!
Explanation:
What is Jupiter sunlight availability?
Answer:
From an average distance of 484 million miles (778 million kilometers), Jupiter is 5.2 astronomical units away from the Sun. One astronomical unit (abbreviated as AU), is the distance from the Sun to Earth. From this distance, it takes Sunlight 43 minutes to travel from the Sun to Jupiter.
Explanation:
Answer:
there is sunlight on Jupiter although it is 27 times more fainter than it would be it was up close because the inner planets do not emit any of there own light.
Explanation:
1. The moon and Mars have a similar composition. Why is the gravity on the surface of Mars greater than the gravity on the moon's surface?
A. Mars is a solid and the moon is not.
B. Mars has a greater mass than the moon.
C. Mars is farther away from the Earth than the moon.
D. Mars is farther away from the Sun than the moon.
Answer:
The weaker gravity on the moon is due to its' smaller mass.
please I need help! its a biology subject so can someone please help me and give me the answer
Hope it will help you ...............
Using the transcription and translation rules you learned in the simulation and the coding charts above, create the mRNA, codons, anticodons, and amino acid chain.
can someone please help me? :):
what is something that could become an extra variable in an experiment if it is not managed properly.
A. Scientific theory
B. Scientific law
C. Constant
D. Control
Answer:
A. Scientific Theory
Explanation:
I can't breathe
In what stage does the cell grow and copy it's DNA?
Answer: interphase
Explanation: