It plays an important role in lipid and steroid synthesis, it is a storage for intracellular calcium as well and the smooth ER was damaged, the cell would no longer be able to produce ribosomes which are needed to make proteins.

What would happen if the smooth ER in the cell were destroyed?

The cell would no longer be able to produce ribosomes which are needed to make proteins. What would happen if the smooth ER in the cell were destroyed? a. The cell would be unable to produce glucose.

What will happen if Ser don't function properly?

Without cytosol, there would be no medium in the cell for the organelles and solutes to move through. The cell wouldn’t be able to move any of its components to where they needed to go to maintain its survival and perform any functions. A lot of people confuse cytoplasm and cytosol.

What happens if the smooth endoplasmic reticulum is missing?

No instruction for making proteins so none would be made. No ribosomes would be made so no proteins would be made. No lipid based steroid hormones would be produced and it would not be able to detoxify substances so liver would fail when drinking to much alcohol and death would follow.

Why is the smooth ER so important?

The smooth ER is involved in the synthesis of lipids, including cholesterol and phospholipids, which are used in the production of new cellular membrane. In certain cell types, smooth ER plays an important role in the synthesis of steroid hormones from cholesterol.

What would happen if the microtubules stopped working?

Without microtubules, cell division, in which chromosomes move to opposite ends of the cell, would not be possible. … This means that mobile cells, such as white blood cells or sperm cells, could lose their ability to move. Centrioles are proteins which help determine the spacial arrangement of cells.

What would happen if there was no mitochondria in a cell?

Without mitochondria (singular, mitochondrion), higher animals would likely not exist because their cells would only be able to obtain energy from anaerobic respiration (in the absence of oxygen), a process much less efficient than aerobic respiration.

Why is an organelle important?

Why are organelles so important? Organelles are important because they help compartmentalize the cell for different functions. Different types of jobs can be specialized and regulated as they are combined to different parts of the cell.

What will happen if the RER and SER of a cell do not function properly?

Answer: If RERand SER is damaged in a cell the eventually die due to the scarcity of proteins. If RER is destroyed Protein Synthesis would decline. … Without lipids the cell membrane synthesis will not occur.

What are the functions of smooth ER?

Its main functions are the synthesis of lipids, steroid hormones, the detoxification of harmful metabolic byproducts and the storage and metabolism of calcium ions within the cell. The smooth ER is distinguished from the other parts of the endoplasmic reticulum by the absence of membrane-bound ribosomes.

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How does the structure of smooth ER relate to its function?

The smooth endoplasmic reticulum comprises tube-like structure located near the cell periphery. These tubules or tubes sometimes branch forming a network that is reticular in appearance. The network of smooth endoplasmic reticulum allows for an increased surface area to be devoted to storage of key enzymes.

Why do alcoholics have more smooth ER?

Large amounts of smooth ER are found in liver cells where one of its main functions is to detoxify products of natural metabolism and to endeavour to detoxify overloads of ethanol derived from excess alcoholic drinking and also barbiturates from drug overdose.

What do you think will happen if a muscle cell lacks mitochondria?

Energy is produced by respiration, the production of energy taking place in mitochondria. Muscles need alot of energy to contract, relax. … This is because mitochondria produce ATP during aerobic respiration and ATP is needed for muscle to contract. Without the mitochondria the muscle wouldn’t be able to contract.

Can cells survive without mitochondria?

You can’t survive without mitochondria, the organelles that power most human cells. … Mitochondria are the descendants of bacteria that settled down inside primordial eukaryotic cells, eventually becoming the power plants for their new hosts.

What happens if the mitochondria is damaged?

Widespread damage to mitochondria causes cells to die because they can no longer produce enough energy. Indeed, mitochondria themselves unleash the enzymes responsible for cell death.

How do mitochondria smooth ER and the cytoskeleton all contribute to the contraction of a muscle cell?

How do mitochondria, smooth ER, and the cytoskeleton all contribute to the contraction of a muscle cell? Mitochondria supply energy in the form of ATP. The smooth ER helps regulate contraction by the uptake and release of calcium ions. Microfilaments function in the actual contractile apparatus.

What is the main function of the smooth endoplasmic reticulum quizlet?

One of the primary functions of the Smooth Endoplasmic Reticulum is to produce and move lipids, an essential component of a cell’s outer membrane, and steroids.

How does the smooth ER make lipids?

The smooth endoplasmic reticulum plays a major role in synthesizing lipids by means of enzymes embedded in these smooth membranes. … In the reproductive organs, smooth ER in the cells produces the steroid hormones testosterone and estrogen.

How important is it for these organelles to do their job for the cell?

Core organelles They carry out essential functions that are necessary for the survival of cells – harvesting energy, making new proteins, getting rid of waste and so on. Core organelles include the nucleus, mitochondria, endoplasmic reticulum and several others.

How do cell organelles work together to keep us alive?

Much of a cell’s efforts go toward making proteins. Proteins carry out many important functions in the body. There are two types of proteins: structural proteins and enzymes. … Cell organelles must work together to carry out protein synthesis, utilize proteins within the cell, and transport them out of the cell.

What will happen if plasma membrane will not function properly?

If the plasma membrane ruptures or breaks down, the cell will not be able to exchange material from its surroundings by diffusion or osmosis because it acts as a mechanical barrier. Thereafter, the protoplasmic material will be disappeared, and the cell will die.

What is the role of smooth endoplasmic reticulum in the liver cells of vertebrates animals?

Answer: (c) Smooth endoplasmic reticulum in liver cells of vertebrates helps in detoxification. It metabolizes various toxic or poisonous substances such as drugs, aspirin, insecticides (DDT), petroleum products and pollutants. These toxic substances make their entry in animal’s body through food, air or water.

Which one of the following functions is not carried out by smooth endoplasmic reticulum?

Solution(By Examveda Team) Smooth Endoplasmic Reticulumdoes not contain ribosomes on its surface for which it is regarded as smooth. So, proteins cannotbe synthesised by SER provided protein synthesis is the primary task of ribosomes.

What would the smooth ER be in a city?

City PartFunctionCell PartCity LimitsControls what goes in and out of the city-cell membrance

How do rough and smooth ER compare structurally and functionally?

Describe the structural and functional distinctions between rough and smooth ER. The primary distinction between rough and smooth ER is the presence of bound ribosomes on the rough ER. … The smooth ER also functions in detoxification, carbohydrate metabolism, and storage of calcium ions.

Why does alcohol abuse increase tolerance to other drugs such as barbiturates?

Why does alcohol abuse increase tolerance to other drugs such as barbiturates? Barbiturates, alcohol, and many other drugs induce proliferation of smooth ER which are associated with detoxification enzymes, thus increasing rate of detoxification. The rough ER is studded with ribosomes.

What organelles does smooth ER work with?

While the function of the nucleus is to act as the cell brain, the ER functions as a manufacturing and packaging system. It works closely with the Golgi apparatus, ribososmes, mRNA, and tRNA. Structurally, the endoplasmic reticulum is a network of membranes found throughout the cell and connected to the nucleus.

Does the smooth ER break down alcohol?

The smooth endoplasmic reticulum also contains enzymes responsible for degrading inorganic toxins, such as alcohol and drugs. This organelle is especially prevalent in hepatocytes (liver cells) where the blood if filtered and toxins are removed for degradation.

How does alcohol affect the smooth ER?

Excessive alcohol consumption induces numerous pathological stress responses, part of which is endoplasmic reticulum (ER) stress response. ER stress, a condition under which unfolded/misfolded protein accumulates in the ER, contributes to alcoholic disorders of major organs such as liver, pancreas, heart, and brain.

What does the peroxisome?

peroxisome, membrane-bound organelle occurring in the cytoplasm of eukaryotic cells. … Peroxisomes contain enzymes that oxidize certain molecules normally found in the cell, notably fatty acids and amino acids. Those oxidation reactions produce hydrogen peroxide, which is the basis of the name peroxisome.

What happens when a cell stops using energy?

When the energy supply slumps, cells can become damaged or destroyed. But mitochondria have importance beyond rare diseases. Even in healthy people, researchers have found, mitochondria can gradually deteriorate as we grow older.