why do exons have to be spliced together? I swear I'm so supi d lol. Please Help :)

Answers

Answer 1
because during slicing the introns are removed from the pre-mRNA & the exons are stuck together to form a mature mRNA that doesn’t contain the intron sequences

Related Questions

can someone help plssssssssssss

Answers

Answer:

Distrupted

Explanation:

the main flow of homestasis was "disrupted" as now some of the cells can't carry out the main bodily funtions.

Answer:

To this Extent - Distrupted

The main flow of homestasis was "disrupted" as now some of the cells can't carry out the main bodily funtions.

TRUE OR FALSE: Phospholipids that are a part of the nuclear envelope (membrane around the nucleus) can easily move from one part of the cell to another, and may ultimately become part of the cell membrane, the ER, a vesicle membrane, etc. In fact, any phospholipid may be called a "cellular tourist" because it is able to move about to virtually any part of a cell and can even become a part of a cell in a different region of the body! (EXPLAIN WHY)​

Answers

Answer:

False, because phospholipids are a type of lipids and the nuclear envelope contains nucleic acids.

Explanation:

Hope this helps.

It is true that phospholipids that are a part of the nuclear envelope (membrane around the nucleus) can easily move from one part of the cell to another, and may ultimately become part of the cell membrane, the ER, a vesicle membrane, etc.

What is nuclear envelope made of?

The nuclear envelope is made up of two concentric lipid bilayer membranes separated by a 20-40 nm intermembranous space.

In many places, the outer membrane is joined to the rough endoplasmic reticulum. The outer membrane of the nuclear envelope, like the rough ER, is dotted with ribosomes.

The nuclear envelope is made up of two membranes: an outer and an inner phospholipid bilayer. The lumen of the rough endoplasmic reticulum is connected to the thin space between the two layers (RER).

Nuclear pores, which are small channels that run across the nuclear envelope, allow substances to enter and exit the nucleus.

Each pore is lined by a group of proteins known as the nuclear pore complex, which regulates which molecules can enter and exit.

Thus, the given statement is true.

For more details regarding nuclear envelope, visit:

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Shortage of food plants, erosion of land, and decrease in oxygen levels are all effects of


Immigration


Deforestation


Mining


Trade

Answers

Answer:

Deforestation

Explanation:

I took this quiz and got a 100.

Which two statements describe what happens to the nucleus of an atom
during a fission reaction?
A. A small amount of the energy in the nucleus is converted to
mass.
B. Nuclei with small masses combine to form nuclei with larger
masses.
C. Large nuclei break apart into two or more smaller nuclei.
D. Each nucleus formed has fewer protons than the original nucleus
had.
Answer is c and d

Answers

Answer:

Answer is c and d

Explanation:

A negative feedback loop is a reaction that causes a decrease in function. Often, it causes the output of a system to be lessened; so, the feedback tends to stabilize the system. This can be referred to as homeostasis, as in biology, or equilibrium, as in mechanics.

What is baseline imbalance?

This is simply known as a form of art that pertains to systematic error when producing an intervention groups in any clinical trial. In this type of imbalance, the groups differ in baseline traits due to the fact that  the participants were selected or assigned.

There are different ways to balance a load. Why is the figure considered to be an example of a negative feedback system as opposed to a positive feedback system is that The figure shows the correction of an imbalance back to a baseline.

Therefore, A negative feedback loop is a reaction that causes a decrease in function. Often, it causes the output of a system to be lessened; so, the feedback tends to stabilize the system. This can be referred to as homeostasis, as in biology, or equilibrium, as in mechanics.

Learn more about baseline imbalance on:

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When lions prey on a herd of antelopes, some antelopes are killed and some escape and live to reproduce. Which of the following statements best describes this situation?

A. Natural selection is a random process.

B. Individuals with the best adaptations survive long enough to have offspring.

C. Species remain unchanged throughout time.

D. Individuals pass along acquired characteristics to the next generation.

Answers

Answer:

B.

Explanation:

1. The St. Lucie River drains Lake Okeechobee into the Atlantic Ocean.

What is the relationship among the parts of this system?

Answers

Answer:

The St Lucie canal serves as an outlet of drainage for the Okeechobee Lake through the St Lucie River and out to the Atlantic Ocean.

Explanation:

The St. Lucie River is an estuary in Florida, in the United States. It was basically a freshwater system before an inlet was dug to provide access directly to the Atlantic Ocean.

Lake Okeechobee is the second largest freshwater lake in the United States. Water flows into the lake from various sources with Kissimmee River being the major source.

Because of the high levels of water in Lake Okeechobee, the St. Lucie canal was constructed in the 1920s. The St. Lucie canal provides a good outlet from the Okeechobee lake, through the St. Lucie River and out to the Atlantic Ocean.

The diagram shows the process of osmosis in a beaker model. Only the water molecules could pass through the membrane by osmosis because water molecules________.


a) contain more hydrogen atoms than the other molecules

b) have more energy than protein molecules

c) can pass through the selectively permeable membrane

d) are more numerous than the protein molecules

Answers

Answer:

i think it is C correct me if am wrong

PLEASE HELP, WILL MARK BRAINLEST

Examine the following image. Which ocean-floor feature is indicated by the arrow in the image?

A diagram showing a location where seafloor spreading occurs

Public Domain

Guyot
Mid-ocean ridge
Seamount
Trench

Answers

Answer:

Its a guyot.

Explanation:

That picture on the screenshot looks like the one I put in

Answer:

guyat

Explanation:

8. Outline the process of metaphase, inclusive of the role of microtubules and the centromere.

Answers

Answer:

Chromosomes are positioned in the middle of the cell during metaphase.  

Explanation:

During metaphase, the centrosomes are at opposite poles or sides of the cell.  The spindle apparatus is formed and the nuclear membrane has dissolved.  The spindle fibers, also known as microtubules have lined up the chromosomes along the equatorial plate in the middle of the cell so each sister chromatid faces opposite directions.  The sister chromatids are still connected by the centromere, and this is the last time they are connected during this division.  The centromere is also where kinetochores assemble, and kinetochores are the sites of attachment for microtubules to pull the sister chromatids apart.  They are important for the cell to be able to divide.  

ALOT OF POINTS! PLEASE HELP I BEG OF YOU!! NO RANDOM ANSWERS PLEASE!!!
1. Give two similarities between each of the skulls that might lead to the conclusion that these are all related species.

Answers

Answer:

here!

Explanation:

the eyes and the beak shape on the skulls are similar throughout all of the species and that circle in between their teeth which may be a gap is consistent throughout the skulls.

The amount of the earth's surface covered by oceans is approximately what ?
A: 1/4
B: 1/3
C: 1/2
D:3/4
E: 4/5
pleaseeee hurry ​

Answers

Answer:

3/4

Explanation:

I would have to say this because earth is covered in about 71% of water and 3/4 is closest to that. :)

What will determine whether or not mutations will be passed to offspring?

Answers

Mutations are only passed on to offspring when they occur in a germ cell DNA which are the cells that create sperm or ova...
will be inherited only if it occurred on a chromosome in either the sperm cell or the ova cell out of many that eventually unite to form a zygote

Please help I forgot to study!!!

Answers

pH is a measure of how acidic/basic water is. The range goes from 0 to 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.

Can a single cell be living but not be an organism?

1. Yes
2.no

Answers

No, this is not possible.

1. Calculate the density of a piece of wood with a volume of 216cm3 and a mass
of 64g

Answers

Answer:

Density = Mass/Volume

Density = 216cm3/64g

Density = 3.375 g/cm3

Let me know if this helps!

3.3375 is the answer

The zebra mussel is an invasive species. Which statement is most likely true if the zebra mussel is introduced to a new environment without predators?

A. Zebra mussels will disrupt the community and cause native species to decline as they eat all the food.
B. Zebra mussels will not cause a significant change in the community.
C. Zebra mussels will become part of the climax community.
D. Zebra mussels will become the keystone species.

Answers

Answer:

A.

Explanation:

when given that a species is invasive you can read through the answers and determine which description sounds invasive

If an organism uses mitosis (asexual reproduction) to reproduce. What is the outcome?



A. The offspring are twice as large as the parent

B. The offspring are genetically identical to the parent

C. The offspring developed from a parents fertile egg

D. The offspring have half as many chromosomes as the parent

Answers

Answer:

B

Explanation:

I learned this 2 years ago

It b for sure hope it helps:)

All the different organisms that interact in a pond make up

A a community

B the water cycle

C a population

D the habitat

Answers

It would be C a population
All the inhabitants of a particular town, area, or country.
The population of frogs are pretty difficult to catch :)
Hope this helps!

This is for Earth and Space but that wasn't a choice to pick.

Which statement best explains the impact of unfavorable oceanic conditions on human behavior?

1. Boating activities decrease along shorelines.
2. Families move toward shorelines.
3. People spend less time playing at the beach.
4. Recreational water sports increase on beaches.

Answers

I think it would be the last one

Which blood cell is most abundant?

Answers

Red blood cells (also called erythrocytes
hi! red blood cells are the most abundant. they account for up to 40 to 45 percent of the volume in the blood!

hope this helps!:)

what are phosphates?
plsss help

Answers

Answer:

mineral is a phosphate

Explanation:

Answer:

In chemistry, a phosphate is an anion, salt, functional group or ester derived from a phosphoric acid. It most commonly means orthophosphate, a derivative of orthophosphoric acid H ₃PO ₄. The phosphate or orthophosphate ion [PO ₄]³⁻ is derived from phosphoric acid by the removal of three protons H⁺ .

Explanation:

help me pleaaaasseee!!!?? explain how locusts affects crop production and how it can be prevented...​

Answers

I think this will help

Explanation:

good luck. :)

Cells come from other cells. Question 2 options: Sometimes False Never True

Answers

Answer:

This statement is true because cells have the capability to divide.

Answer:

It is true

Explanation:

I took the test its right

Which of the following objects absorbs the most light?

Answers

Answer:plants

Explanation:

Answer:

D a wool carpet

Explanation:

is the answer

Explain the process of how air flows through the Respiratory System? In three sentences.

Answers

Answer:

The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary history. In land animals the respiratory surface is internalized as linings of the lungs. Gas exchange in the lungs occurs in millions of small air sacs; in mammals and reptiles these are called alveoli, and in birds they are known as atria. These microscopic air sacs have a very rich blood supply, thus bringing the air into close contact with the blood. These air sacs communicate with the external environment via a system of airways, or hollow tubes, of which the largest is the trachea, which branches in the middle of the chest into the two main bronchi. These enter the lungs where they branch into progressively narrower secondary and tertiary bronchi that branch into numerous smaller tubes, the bronchioles. In birds the bronchioles are termed parabronchi. It is the bronchioles, or parabronchi that generally open into the microscopic alveoli in mammals and atria in birds. Air has to be pumped from the environment into the alveoli or atria by the process of breathing which involves the muscles of respiration.

Explanation:

PLEASE MARK ME AS BRAINLIEST

I’m not sure if I’m anywhere close to right on this, can someone simply review it and give me feedback? Please! Giving all my points

Answers

Answer:

Your 100% Correct Im an advanced scientist in highschool!

Well Done! Also Im new so sorry if you done trust.

Explanation:

Polysaccharides are made of?

a. One glucose molecule
b. Many glucose molecules
c. Many fatty acids
d. DNA

Answers

Answer:

b. Many glucose molecules

Explanation:

poly means many

D definetly
Hopefully this helps you
May God bless you

How are the three international conflicts similar and how are they different?

Answers

Answer:

what's the question? It is not showing anything expect for "How are the three International conflicts similar and how are they different."

private sector international conflict would be a conflict between a U.S. computer company, and a Japanese company which was supplying motherboards for the U.S. company. If the Japanese company had a contract requiring them to ship 10,000 motherboards a month, but they only shipped 6,000, this would cause a private international conflict. It would not be a conflict that involved the U.S. government, but it would be one that would likely be handled in an international tribunal of some sort

What would happen if a second universal flood occurs?

Answers

It would wipe out a lot of species, and when doing so, it could uproot trees, and be very, very fatal.
It would cause a total destruction and it would gonna affect everything.

if an object has a mass of 580g what does it weigh

Answers

Always convert first to kg

So 580 g is 0.58 kg

Now it depends on which planet you are on, to what gravity the planet has. Lets go with Earth so 10N

0.58 x 10= 5.8

Ans) 5.8 N/kg

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