what does a endoplasmic reticulum do?

Answers

Answer 1

Answer: nothing

Explanation:

Answer 2

Answer: produce proteins for the rest of the cell to function

Explanation:

The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.


Related Questions

Which of the following is NOT a source of nitrogen that is available to plants?

Answers

Answer:

I CANT SEE THE FOLLOWING BUT I WILL EXPLAIN.

Explanation:

Plants usually absorb nitrogen from NO3- and NH4+

Nitrogen oxides released into the atmosphere by burning fossil fuels and organic matter is not a source of nitrogen which is available to plants. Thus, the correct option is D.

How does plants take nitrogen?

Plants require nitrogen as it is a macronutrient. The deficiency of this nutrient can cause many diseases. However, plants cannot themselves obtain the nitrogen from air but they rely mainly on the supply of combined nitrogen atom in the form of ammonia molecule, or nitrate molecule, resulting from the nitrogen fixation through free-living bacteria in the soil or the bacteria living symbiotically in the nodules on roots of legumes.

Plants can take nitrogen through absorbing the soil by their roots. Plants cannot get this nitrogen directly from the air. Although, the nitrogen element is abundantly available in air. Nitrogen is unreactive atom, and it cannot be used by the green plants to make proteins. Nitrogen gas needs to be converted into nitrate compounds in the soil through nitrogen-fixing bacteria in soil, root nodules or lightning. Every nitrogen atom is triple-bonded to another nitrogen atom to form the molecular nitrogen, N₂.

Therefore, the correct option is D.

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Your question is incomplete, most probably the complete question:

Which of the following is NOT a source of nitrogen that is available to plants?

A - Decaying plant matter

B - Animal waste products

C - Synthetic nitrogen containing fertilizers

D - Nitrogen oxides released into the atmosphere by burning fossil fuels and organic matter

during diffusion,how do the molecules physically get from one place to the other?(spaceship tractor beam? wiged monkeys?)

Answers

The kinetic energy of the molecules results in random motion, causing diffusion.

What is density of a liquid with mass of 17.4 and a volume of 20 mL ? Would this liquid float or sink at room temperature based on its density and the known density of water?

Answers

Answer: The density of the liquid is  0.9 g/mL

. Hope this helps but I can not answer the second part. Hope that it is beneficial to you anyway! :)

(Edit) This might help you figure it out: The relative densities of an object and the liquid it is placed in determine whether that object will sink or float. An object that has a higher density than the liquid it's in will sink. An object that has a lower density than the liquid it's in will float.

Explanation:

Answer:

i think it would float tbh

Explanation:

sorry if it isnt correct i am just trying to help

Is this right? NEED HELP ASAP

Answers

Answer:

They all seem to be correct, good job!

Answer:

Correct

Explanation:

Part D
Follow these steps and study the table to answer the question,
1. Go to the Weekly US Map: Influenza Summary Update e. At the top of the map, click the back arrow
several times until the map no longer changes. If the current season is shorter than 6 months, view
the previous season with the drop down box. Note how the trends change over time.
2. Review the following data table, which represents the estimated number of deaths, medical visits,
illnesses, and hospitalizations averted by the flu vaccine during several flu seasons.
Averted Deaths
Averted Averted Averted
illnesses Medical Visits Hospitalizations
Pneumonia and Respiratory and
Influenza Circulatory
Deaths Deaths
Fraction
Number Number Number prevented Number Number
(%)
2010-2011 5,039,277 2,514,353 70,821 20.8
3,434
9,880
2011-2012 1,981,571 968,312 39,301
2012-2013 5,628,332 2,701,875 61,522 11.1
1,823
5,280
2013-2014 6,683,929 3,080,284 86,730 21.5
3,840
2014-2015 1,606,813 792,958 47,449
1,419
2015-2016 5,083,498 2,504,323 71,479 18.9
2,882
Season
22.7
1,227
3,618
9,172
7.5
Using the data you just reviewed, create a scientific argument of one to two paragraphs that support or
oppose the current flu vaccine recommendations.

Answers

Answer:

Flu vaccinations are fundamental as they reduce the risk of flu illness by over 50%.

Explanation:

Flu vaccinations reduce the risk of flu illness by over 50%. This makes this process extremely important and fundamental for all human beings as they not only protect the person who gets the vaccine, but it also contributes to the prevention of spreading to other people, especially children and older adults who possess a greater risk of developing flu complications.

The antibodies that are produced by the vaccine prevent the flu virus from attaching to a healthy cell. However, if a person has not been vaccinated, the virus will attack the healthy cells because there is an absence of antibodies that prevent this process.

in order to perform, a chemist needs an element that has similar properties to potassium (K) but has a lower atomic mass. which element should the chemist select for the experiment?
A. Robidium (Rb)
B. Sodium(Na)
C. Magnesium(Mg)
D. Calcium(Ca)

Answers

i think its c. magnesium Mg

The element needed by the chemist to perform the experiment with similar properties to that of potassium, while having lower atomic mass is option B. Sodium.

If we take a look at the periodic table, we can see all the elements that share properties with potassium are located within the same column. Some examples are :

SodiumRubidiumCesium Lithium

Of the elements listed, only two are found within the options for this question, which means that we can discard option C and D.

We can then proceed to analyze the atomic mass of each element in an attempt to choose the option with a lower atomic mass than Potassium. Option A, Rubidium, has an atomic mass that is much higher than the 39 of potassium, which means we can discard option A. The correct choice is option B, Sodium , since it shares similar properties and has an atomic mass of 22.

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Which of the following is false

1. Cells form tissues

2. Tissues for organ systems

3. Organs form organ systems

Answers

Answer:

2 is false

Explanation:

tissues don't form organ systems

number two is false if this is usa test prep i just did this

Is mass conserved in chemical reactions?

Answers

Answer:

Mass is not conserved in chemical reactions. ... This means that the total mass and energy before a reaction in a closed system equals the total mass and energy after the reaction. According to Einstein's famous equation, E = mc2, mass can be transformed into energy and energy can be transformed into mass.

Explanation:

Answer:

Mass is not conserved in chemical reactions. The fundamental conservation law of the universe is the conservation of mass-energy. This means that the total mass and energy before a reaction in a closed system equals the total mass and energy after the reaction. According to Einstein's famous equation, E = mc2, mass can be transformed into energy and energy can be transformed into mass. This is not some exotic process, but in fact happens every time there is a reaction. Mass is therefore never conserved because a little of it turns into energy (or a little energy turns into mass) in every reaction.

Fill in the blanks with the correct word from the list

Answers

Answer:

1. Genetic diversity. 2. Cultural value. 3. Greenhouse effect. 4. Biodiversity. 5. Compassion. 6. Species diversity

Explanation:

Pretty sure

more____in our atmosphere make our planet

Answers

Answer:

Explanation:

Choose all the answers that apply.

Muscles in the small intestine are _____.

smooth
striated
involuntary
voluntary
cardiac
Pls pick multiple

Answers

Answer:

smooth and involuntary

Two layers of smooth muscle form the small intestine. The outermost layer is the thin, longitudinal muscle that contracts, relaxes, shortens, and lengthens the gut allowing food to move in one direction. The innermost layer is a thicker, circular muscle.

Also smooth muscle is not under our control so is called involuntary

why must blood glucose levels be carefully controlled?​

Answers

Answer:

Blood glucose is a sugar that the bloodstream carries to all cells in the body to supply energy. A person needs to keep blood sugar levels within a safe range to reduce the risk of diabetes and heart disease. Blood glucose monitoring measures the amount of sugar that the blood is transporting during a single instant.

Explanation:

Hope this helps you

Do mark me as brainliest

PPPLLLEEEAAASSSEEE HHEELP!!!

Answers

Answer:

it is a bit con fusing can you turn it to text

Molecules that contain carbon and make up livin things

Answers

All living things contain Carbon in some form ,carbon is primary component of macromolecules,including protein,lipids,nuclei acid and carbohydrates.carbon molecular structure allows it to bond in many different ways and with many different elements

HOPE IT HELPS YOU,,,,

6.) A dog named Rascal leaves his home and travels a short distance and
then returns home. The graph shows his position as a function of time.
How does his velocity on his return trip compare to his velocity for the
first 5 seconds?

Answers

Answer:

If your on USA testprep then the correct answer is D !

Explanation:

Answer:

THE CORRECT ANSWER IS: His velocity on the return trip was twice as fast when compared to the first 5 seconds.

Explanation:

Gim kit

help me pleaseeee Cell membranes of all cells are composed of
Nucleic Acids
Carbohydrates
Lipids
O Proteins

Answers

Answer:

Okay, I got this from google and my notes but the cells inside of a cell membrane are composed primarily of fatty-acid-based lipids and proteins.

Explanation:

Membrane lipids are principally of two types, phospholipids and sterols (generally cholesterol). These membranes are composed primarily of phospholipids and proteins and are typically described as phospholipid bi-layers. They also contain cholesterol in the phospholipid bilayer.

5. A system of membranes and tubes that create
passages through which materials can pass? |

Answers

Answer:

paper or glass

Explanation:

for they use needles to get and they transfer it to paper for studying

Answer: paper

Explanation:

Water molecules are polar, which give water its unique properties. One important property is water is the universal ________

A. Solvent

B. Drink

C. Liquid

D. Solute

Answers

Answer:

A. solvent

Explanation:

Its called the universal solvent because its capable of dissolving more substances than any other liquid.

Arteries, veins, and capillaries are part of what system

Answers

Answer:

The circulatory system

Explanation:

The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps oxygenated and deoxygenated blood on different sides. The types of blood vessels include arteries, capillaries and veins.

Which of the following is the distinguishing feature of prokaryotic cells?
Prokaryotic cells have a nucleus.
Prokaryotic cells do not have a cell wall.
Prokaryotic cells do not have a nucleus.
Prokaryotic cells have mitochondria.

Answers

Answer: The answer is C

A prokaryotic cell usually lack a well defined nucleus. The correct option is C.

What is a prokaryotic cell?

A prokaryotic cell is one that lacks a true nucleus and membrane-bound organelles.

The prokaryotic cell is the foundation of organisms in the domains Bacteria and Archaea.

Thus, the correct option is C.

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Which of the following is an example of maintaining homeostasis?

Answers

Answer:

Explanation:

Humans' internal body temperature is a great example of homeostasis. ... That's an example of homeostasis being maintained. When you get shivery in the cold, or sweat in the summer, that's your body trying to maintain homeostasis. Glucose is the most basic form of sugar, and the only type the body can use directly.

Answer:

c

Explanation:

it saws that warming up and cooling down is a part of homeostasis.

Water enters a cell when there is more salt IN the cell than the extracellular environment. This is an example
of
a. equilibrium
b. hypotonic
c. isotonic
d. hypertonic

Answers

Answer:

it would be b. hypotonic

Use humus in a sentence.

Answers

Answer:

Explanation:

1.It is covered with a thick sheet of black earth, a kind of loess, that is mixed with humus.

2.The nitrogen in decaying roots, in the dead stems. and leaves of plants, and in humus generally is sooner or later changed into a nitrate, the change being effected by bacteria.

Disagreement over or competition for a resource is known by which of the following terms?


logistics

conflict

preservation

conservation

Answers

Answer:

I think it's Conflict

Explanation:

It is conflict hope I helped you

I heard that Bloodtype O is strong to the malaria virus. Can someone tell me why is that? I need direct sources for the information. Thank you.

Answers

Answer:

With neither A or B antigens, this blood group has different receptors on its red blood cells, and these are not as easily taken over by malaria. "Hence, rosettes formed in blood group O [red blood cells] tend to be smaller, weaker and more unstable," the authors write in the new review

Explanation:

What features do we find only in the cells of bacteria?

What features do we find only in the cells of animals?

What features do we find only in the cells of plants?

Answers

Answer:

In bacteria cells, you would find pili (only found in bacteria and archaea) and DNA not contained in a nuclear envelope/nucleus. These are, for the majority, exclusively found in bacteria cells.

In animal cells, you would find lysosomes and centrosomes. These organelles are exclusively found in animal cells.

In plant cells, you would find plastids, such as chloroplasts or amyloplasts. More specifically, chloroplasts are exclusively found in plant cells as they are necessary for photosynthesis to occur.

According to Darwin, evolution
takes place by a process called
random choice.
True or false

Answers

Answer:

True

Explanation:

Natural selection

1. Quasars are extremely distant celestial bodies. Investigators
using a special telescope determined that a certain quasar
was emitting waves with a frequency of 1.41 x 10° Hz. An
electromagnetic spectrum is shown.
gamma rays
visible light
Radio
waves
Electromagnetic Spectrum
Infrared Visible Ultraviolet
rays light waves
microwaves
Microwaves
Gamma
rays
X-rays
102
102
10-30
10-12
10-5
5 x 10 10
Wavelength (m)
d
X-rays
www
CLEAR ALL
10*
10
10
1020
102
101 10'
Frequency (Hz)
C
The investigators were most likely using a telescope that
detects-

Answers

Answer: microwaves

Explanation:

The investigators were most likely using a Telescope that detects ; ( C ) microwaves

From the electromagnetic spectrum provided the wavelength of a microwave is 10⁻²  and the frequency of the microwave is about 10⁸ Hz which is closest to 10⁹ Hz. Given that the frequency detected with the use of the spatial telescope was 1.4 * 10⁹ Hz.

The most likely wave that this telescope would detect is Microwave because its frequency falls within the closest frequency range of the telescope.

Hence we can conclude that The investigators were most likely using a Telescope that detects ; ( C ) microwaves

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I need help please !

Answers

Answer:

14. f. diffusion

15. a. excreting waste

16. b. exocytosis

17. a, endocytosis

Explanation:

14. The movement of molecules from a high concentration to a low concentration is diffusion. Active transport uses energy to move molecules against their concentration gradient (from low to high). Osmosis specifically refers to water molecules. Endocytosis is the movement of molecules inside the cells via the cell membrane engulfing it.

15. The membrane controls the substances that enter and exit the cell, therefore it is involved in excreting waste products from inside the cell.

16/17 Endocytosis is engulfing substances to bring them inside the cell. Exocytosis is the reverse process, where substances exit the cell by fusing with the cell membrane. The movement of molecules from a high concentration to a low concentration is diffusion.  Osmosis specifically refers to water molecules.

Name all four of the macromolecules. Identify the monomer (building block) for each macromolecule.

Answers

Answer:

Lipids - polymers called diglycerides, triglycerides; monomers are glycerol and fatty acids

Proteins - polymers are known as polypeptides; monomers are amino acids

Nucleic Acids - polymers are DNA and RNA; monomers are nucleotides, which are in turn consist of a nitrogenous base, pentose sugar, and phosphate group

Carbohydrates - polymers are polysaccharides and disaccharides*; monomers are monosaccharides (simple sugars)

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