[SOLVED] which organelle plays a role in intracellular digestion? (2023)


1 meter = _____ centimeters.


_____ are surface appendages that allow a bacterium to stick to a surface.


What is the function of a bacterium’s capsule?

transferring of information from DNA to messenger RNA

In eukaryotic cells the first step in protein synthesis is the _____.


Which organelle plays a role in intracellular digestion?


The cilia and flagella of eukaryotic cells are composed of _____.

tight junctions

Which of these cell junctions form a barrier to the passage of materials?

anchoring junctions

The primary role of _____ is to bind animal cells together.

gap junctions

_____ aid in the coordination of the activities of adjacent animal cells.


Which organelle contains most of a cell’s DNA?


Which of these organelles carries out cellular respiration?


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The _____ is composed of DNA and protein.


Ribosomal subunits are manufactured by the _____.


_____ are the sites of protein synthesis.

rough endoplasmic reticulum

Which of these is involved in the manufacture of membrane?

plasma membrane

The _____ is a selective barrier, regulating the passage of material into and out of the cell.

smooth er

Where is calcium stored?


_____ are hollow rods that shape and support the cell.

basal bodies

_____ is/are identical in structure to centrioles.


Which of these organelles produces H2O2 as a by-product?


Which of these organelles is responsible for photosynthesis?

Which organelle plays a role in intracellular digestion?a) Plasmodesmab) Ribosomec) Chloroplastd) lysosome


_____ are surface appendages that allow a bacterium to stick to a surface.a) Ribosomesb) Cell Wallsc) Mitochondriad) Fimbriae


What is the function of a bacterium’s capsule?a) Protectionb) Protein Synthesisc) Adhesiond) DNA storage


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Where is a bacterial cell’s DNA found?a) Ribosomesb) Nucleusc) Peroxisomed) Nucleoid Region


In a bacterium, where are proteins synthesized?a) Ribosomesb) Nucleusc) Peroxisomed) Capsule


What name is given to the rigid structure, found outside the plasma membrane, that surrounds and supports the bacterial cell?a) Capsuleb) Pilic) Cell Walld) Flagella


The _____ is the bacterial structure that acts as a selective barrier, allowing nutrients to enter the cell and wastes to leave the cell.a) Plasma Membraneb) Cell Wallc) Ribosomed) Pili


Which of the following clues would tell you if a cell is prokaryotic or eukaryotic?a) whether or not the cell is partitioned by internal membranesb) the presence or absence of a rigid cell wallc) whether or not the cell carries out cellular metabolismd) whether or not the cell contains DNA


Which of the following correctly matches an organelle with its function?a) lysosome … movementb) ribosome … manufacture of lipidsc) central vacuole … storaged) mitochondrion … photosynthesis


All of the following are part of a prokaryotic cell excepta) a plasma membrane.b) DNA.c) a cell wall.d) an endoplasmic reticulum.


Which of the following is a major cause of the size limits for certain types of cells?a) the difference in plasma membranes between prokaryotes and eukaryotesb) limitation on the strength and integrity of the plasma membrane as cell size increasesc) the need for sufficient surface area to support the cell’s metabolic needsd) rigid cell walls that limit cell size expansion


Beginning within the nucleus, the first step leading to the synthesis of a polypeptide is _____.a) transferring of information from DNA to messenger RNAb) removal of introns from RNA and the stitching together of exonsc) translation of an RNA nucleotide sequence into a sequence of amino acidsd) linking of nucleotides to form a polypeptide


Which statement correctly describes the nuclear envelope of a eukaryotic cell?a) The nuclear envelope is a single membrane, consisting of a phospholipid bilayer.b) The outer layer of the nuclear envelope is coated with laminin.c) All of the proteins of the cell are synthesized on ribosomes bound on the nuclear envelope.d) The nuclear envelope is continuous with the endoplasmic reticulum.


Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?a) celluloseb) lipidsc) glycogend) proteins


A cell with a predominance of free ribosomes is most likelya) production primarily cytoplasmic proteinsb) enlarging its vacuolec) digesting large food particlesd) production primarily proteins for secretion


Which structure is the site of the synthesis of proteins that may be exported from the cell?a) lysosomesb) rough ERc) golgi vesiclesd) plasmodesmata

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Which one of the following statements about the endomembrane system is correct?a) Most of the phospholipids of the endomembrane system are synthesized in the mitochondria.b) The endoplasmic reticulum is continuous with the plasma membrane.c) Mitochondria function in the modification and sorting of lipids and proteins.d) Proteins that will be secreted from the cell are likely to be found in closed spaces bounded by membranes of the endomembrane system.


The liver is involved in detoxification of many poisons and drugs. Which of the following structures is primarily involved in this process and therefore abundant in liver cells?a) rough ERb) Golgi apparatusc) smooth ERd) nuclear envelope


Which type of organelle or structure is primarily involved in the synthesis of oils, phospholipids, and steroids?a) lysosomeb) ribosomec) smooth ERd) mitochondrion


The Golgi apparatus has a polarity or sidedness to its structure and function. Which of the following statements correctly describes this polarity?a) Lipids in the membrane of the Golgi may be sorted and modified as they move from one side of the Golgi to the other.b) Transport vesicles fuse with one side of the Golgi and leave from the opposite side.c) Proteins in the membrane of the Golgi may be sorted and modified as they move from one side of the Golgi to the other.d) All of the above correctly describe polar characteristics of the Golgi function.


Hydrolytic enzymes must be segregated and packaged to prevent general destruction of cellular components. In animal cells, which of the following organelles contains these hydrolytic enzymes?a) lysosomeb) chloroplastc) central vacuoled) peroxisome


Which of the following produces and modifies polysaccharides that will be secreted?a) vacuoleb) mitochondrionc) lysosomed) golgi apparatus


Which of the following contains hydrolytic enzymes?a) vacuoleb) lysosomec) mitochondriond) golgi apparatus


Which organelle often takes up much of the volume of a plant cell?a) vacuoleb) lysosomec) peroxisomed) mitochondrion


Mitochondria are found in _____.a) all cellsb) plant and animal cellsc) animal cells onlyd) plant cells only


Which of the following are common traits of chloroplasts and mitochondria?a) Both have their own DNA.b) Both are surrounded by a single membrane.c) Both are found in plant and animal cells.d) Both reproduce by meiosis.


A cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a cell froma) any multicellular organism, such as a plant or an animal.b) an animal, but not a plant.c) nearly any eukaryotic organism.d) any kind of organism.


Which organelle is the primary site of ATP synthesis in eukaryotic cells?a) peroxisomeb) lysosomec) golgi apparatusd) mitochondrion


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Which animal cell organelle contains enzymes that transfer hydrogen from various substrates to oxygen?a) vacuoleb) peroxisomec) lysosomed) mitochondrion


In a plant cell, DNA may be founda) in the nucleus, mitochondria, chloroplasts, and peroxisomes.b) only in the nucleus and chloroplasts.c) only in the nucleus.d) in the nucleus, mitochondria, and chloroplasts.


The chemical reactions involved in respiration are virtually identical between prokaryotic and eukaryotic cells. In eukaryotic cells, ATP is synthesized primarily on the inner membrane of the mitochondria. In light of the endosymbiont theory for the evolutionary origin of mitochondria, where is most ATP synthesis likely to occur in prokaryotic cells?a) on the plasma membraneb) on the inner mitochondrial membranec) in the cytoplasmd) on the inner nuclear envelope


The evolution of eukaryotic cells most likely involveda) endosymbiosis of an aerobic bacterium in a larger host cell-the endosymbiont evolved into mitochondria.b) an endosymbiotic fungal cell that evolved into the nucleus.c) anaerobic archaea taking up residence inside a larger bacterial host cell to escape toxic oxygen-the anaerobic bacterium evolved into chloroplasts.d) acquisition of an endomembrane system, and subsequent evolution of mitochondria from a portion of the Golgi.


Which of these cell junctions form a barrier to the passage of materials?a) keratin fibersb) plasmodesmatac) tight junctionsd) gap (communicating) junctions


The primary role of _____ is to bind animal cells together.a) the cytoskeletonb) desmosomesc) tight junctionsd) plasmodesmata


Select the correct statement describing cellular structure or function.a) Plant and animal cells both carry out cellular respiration, producing ATP.b) Only plant cells contain chloroplasts, and only animal cells contain mitochondria.c) Mitochondria and chloroplasts are part of the endomembrane system of the eukaryotic cell.


Identify the correct statement about differences between rough and smooth endoplasmic reticulum (ER).a) Rough ER consists of a network of membranous tubules and sacs called cisternae, whereas smooth ER is less complex.b) The outer surface of smooth ER lacks ribosomes, whereas the outer surface of rough ER has ribosomes.c) Smooth ER is part of the endomembrane system of the eukaryotic cell, and rough ER is not.


Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell througha) plasmodesmata.b) gap junctions.c) desmosomes.d) tight junctions.


_____ aid in the coordination of the activities of adjacent animal cells.a) Gap (communicating) junctionsb) Keratin fibersc) Desmosomesd) Tight junctions


What do the cell walls of plants and the extracellular matrix of animal cells have in common?a) Their proteins are made by free cytoplasmic ribosomes.b) They limit the passage of small molecules.c) They have functional connections with the cytoskeleton inside the cell.d) They form rigid structures that provide structural support for cells but limit their expansion.


Plasmodesmata in plant cells are most similar in function to which of the following structures in animal cells?a) tight junctionsb) extracellular matrixc) desmosomesd) gap junctions



Which organelle plays a role in intracellular digestion? ›

The primary sites of intracellular digestion are organelles known as the lysosomes, which are membrane-bounded compartments containing a variety of hydrolytic enzymes.

Which organelle plays a role in intracellular digestion Golgi apparatus Plasmodesma lysosome chloroplast ribosome? ›

So, the correct answer is 'Lysosome'.

Which organelle plays a role in intracellular digestion and recycling? ›

The lysosome is an organelle that contains digestive enzymes and acts as the organelle-recycling facility of an animal cell. It breaks down old and unnecessary structures so their molecules can be reused. Lysosomes are part of the endomembrane system, and some vesicles that leave the Golgi are bound for the lysosome.

Which organelle plays a role in intracellular digestion quizlet? ›

lysosome. functions of the lysosome include: intracellular digestion and autodigestion.

In which digestion is intracellular? ›

Intracellular digestion is divided into heterophagic digestion and autophagic digestion. These two types take place in the lysosome and they both have very specific functions. Heterophagic intracellular digestion has an important job which is to break down all molecules that are brought into a cell by endocytosis.

What is intracellular digestion with example? ›

The sort of digestion where food is directly taken into the cells and digested within the cell is called as intracellular digestion. It occurs in unicellular organisms like amoeba.

Which of the following organelles is the side of intracellular digestion? ›

Intracellular digestion is the process of the breakdown of substances inside the cell. Lysosomes are membrane-bound cell organelles that break down large molecules into small molecules and participate in most intracellular digestion. The correct option is d. lysosome.

Which of the following cell organelle brings about extracellular and intracellular digestion? ›

Lysosomes take part in intracellular digestion and extracellular digestion.

Which of the following contain S enzymes and play's a role in intracellular digestion? ›

The organelle that contains enzymes for intracellular digestion is called the lysosome. Therefore, the answer is g. Lysosomes are membrane-bound organelles that contain hydrolytic enzymes.

What is the role of the lysosome in intracellular digestion? ›

It helps in the intracellular digestion as it contains the digestive enzymes. When the lysosome in the secondary body stage, it fuses with the phagosomes and helps in the process of digestion. It acts as the suicidal bag of the cells. It helps in the natural suicide of the cells when they have served their purpose.

Which organelle is responsible for inter and intracellular transportation? ›

So, the correct answer is 'Endoplasmic Reticulum'.

What is an organelle Class 8? ›

Answer: Organelles are organised cell components present in the cytoplasm. Each organelle has a specific function to perform inside the cell. Examples: Ribosomes, mitochondria, vacuoles, etc.

Which of the following cell organelles function both as an intracellular? ›

Answer. Answer: The ER functions both as a passageway for intracellular transport and as a manufacturing surface.

What is the intracellular source of digestive enzymes Class 9? ›

Lysosomes are membrane bound sacs filled with digestive enzymes . Lysosomes are responsible for keeping the cell clean of any foreign materials or old, out-of-function organelles .

What is the intracellular process? ›

Intracellular processes include the genetic regulatory architecture of the cell. What do we mean by that? We define genetic architecture as the suite of transcriptional and post-transcriptional mechanisms that support normal circadian rhythms.

What is intracellular system? ›

Intracellular refers to the inside region of cells and what you find there. The cell membrane keeps all the organelles of the cell and the cytoplasm contained and allows material to move in and out of the cell. And remember that cytoplasm is simply the stuff that forms the cell.

Which of the following is an intracellular enzyme? ›

Comparison between Intracellular and Extracellular Enzymes
Intracellular EnzymesExtracellular Enzymes
Examples – DNA and RNA polymerase, ATP synthetase, etc. The lysosome and peroxisomes also contain intracellular enzymes.Examples – Peptidase, amylase, trypsin, collagenase, pepsin, sucrase, maltase, kinases, etc.
3 more rows

Which organelle is also known as the intracellular fluid? ›

The cytosol, also known as cytoplasmic matrix or groundplasm, is one of the liquids found inside cells (intracellular fluid (ICF)). It is separated into compartments by membranes.

Are lysosomes involved in intracellular or extracellular? ›

Lysosomes are intracellular organelles surrounded by a single membrane and displaying a round morphology, first discovered by C. De Duve in the early 1950s [1].

Are digestive enzymes intracellular? ›

Intracellular enzymes are also responsible for the digestion of food inside food vacuoles in unicellular organisms. This process is known as intracellular digestion. Generally, lysosomes contain these intracellular enzymes. Furthermore, the digestive enzymes in lysosomes are responsible for the cell death of old cells.

Which of the following animal perform both intracellular and extracellular digestion? ›

Cnidarians perform extracellular digestion. All the digestion processes completed in the intracellular region. Food absorbed in the gastrovascular cavity and nutrients absorbed by the cell lining of the cavity.

Why is digestion in amoeba intracellular? ›

We can say that the digestion in amoeba is intracellular as it is taking place within the cell. The food vacuole which is also called as gastric vacuole is formed by the cell membrane into which the remaining food is taken.

What plays a role in intracellular movement? ›

Cytoskeleton Determines the Position of Organelles Within the Cell. Intracellular transport of molecules and organelles is responsible for their delivery to destination sites.

Which of the following is an organelle within organelle :-? ›

So, the correct answer is 'Ribosome'

Is endoplasmic reticulum responsible for intracellular transport? ›

Answer. the organelles such as mitochondria, endoplasmic reticulum, Golgi apparatus and lysosomes are the organelles responsible for intracellular transport (HOPEFULLY THIS WILL HELP U FRIEND....)

What is cell made up of what is the structural Organisation of a cell class 9? ›

A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and controls the substances that go into and out of the cell. The nucleus is a structure inside the cell that contains the nucleolus and most of the cell's DNA.

What is a cell class 6? ›

“A cell is defined as the smallest, basic unit of life that is responsible for all of life's processes.” Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life.

What is an organelle kid? ›

Organelles are like tiny machines that provide the needs of the cell. Examples of organelles are the nucleus, which is essentially the brain of the cell; mitochondria, which are oval-shaped organelles that produce energy for the cell; lysosomes; endoplasmic reticulum; ribosomes; and the Golgi apparatus.

What organelle does the Golgi apparatus work with? ›

Working with the Rough ER

The Golgi complex works closely with the rough ER. When a protein is made in the ER, something called a transition vesicle is made. This vesicle or sac floats through the cytoplasm to the Golgi apparatus and is absorbed.

Which organelle is involved in lysosomes? ›

Endoplasmic reticulum and Golgi body are involved in the formation of lysosomes. Enzymes of the lysosomes are synthesized in the rough endoplasmic reticulum.

Which organelle do lysosomes work with? ›

Lysosomes originate by budding off from the membrane of the trans-Golgi network, a region of the Golgi complex responsible for sorting newly synthesized proteins, which may be designated for use in lysosomes, endosomes, or the plasma membrane.

Does the Golgi apparatus work with other organelles? ›

Golgi Body interacts with other organelles cell via molecules that has been transported into it or from it. One simple example is polypeptide (which is protein's breakdown).

Which cell organelle is synthesizing the enzymes for the Golgi apparatus? ›

The organelle that contain hydrolytic enzymes is lysosomes and it is formed from the Golgi apparatus in the form of secretory vesicles.

What organelle helps in the organization of microtubules during cell division? ›

Definition. Centrioles are paired barrel-shaped organelles located in the cytoplasm of animal cells near the nuclear envelope. Centrioles play a role in organizing microtubules that serve as the cell's skeletal system. They help determine the locations of the nucleus and other organelles within the cell.

What is the role of the lysosome? ›

Lysosomes function as the digestive system of the cell, serving both to degrade material taken up from outside the cell and to digest obsolete components of the cell itself.

Is nucleus mitochondria and plastids have DNA hence they are able to make their own structural proteins? ›

(b) Nucleus, mitochondria and plastid have DNA; hence they are able to make their own structural proteins (c) Mitochondria is said to be the power house of the cell as ATP is generated in them.

Which of the following cell organelle is present in plant cells and absent in animal cells? ›

EXPLANATION: The plant cells have cell wall, plastids, chloroplasts. These organelles are not present in animal cells.

Which of the following cell organelles helps in cell division of animal cells? ›

Centrioles. Centrioles are organelles involved in cell division. The function of centrioles is to help organize the chromosomes before cell division occurs so that each daughter cell has the correct number of chromosomes after the cell divides. Centrioles are found only in animal cells and are located near the nucleus.

What organelle works with mitochondria? ›

Mitochondria interact with the endoplasmic reticulum, lysosomes, cytoskeleton, peroxisomes, and nucleus in several ways, ranging from signal transduction, vesicle transport, and membrane contact sites, to regulate energy metabolism, biosynthetic processes, apoptosis, and cell turnover.

What organelle helps make lipids? ›

The organelle called 'endoplasmic reticulum' occurs in both plants and animals and is a very important manufacturing site for lipids (fats) and many proteins.

Who discovered mitochondria? ›

Mitochondria, often referred to as the “powerhouses of the cell”, were first discovered in 1857 by physiologist Albert von Kolliker, and later coined “bioblasts” (life germs) by Richard Altman in 1886. The organelles were then renamed “mitochondria” by Carl Benda twelve years later.

Why is it called Golgi apparatus? ›

A Golgi body, also known as a Golgi apparatus, is a cell organelle that helps process and package proteins and lipid molecules, especially proteins destined to be exported from the cell. Named after its discoverer, Camillo Golgi, the Golgi body appears as a series of stacked membranes.

Which organelle is responsible for making proteins? ›

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.

Which cell organelle is involved in synthesis of vacuoles? ›

Vacuolar proteins are synthesized and processed in the endoplasmic reticulum (ER), and transferred to vacuoles through various routes.


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