Question 7 All cells contain which three structures at some point? Cell wall, flagella, and ribosomes Cell wall, plasmids, and ribosomes Chromosomes, cell wall, and flagella Chromosomes, ribosomes, and a plasma membrane
Q: QUESTION 5 Which of the following puts the stages of mitotic cell division in the order that they…
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Q: Question 7 What do the structures A and B represent ? O Non-homologous chromosomes O Sister…
A: Introduction Chromosomes are referred to the condensed stage of chromatin fibre. Chromosomes are…
Q: Question 8 What do the structures A and D represent ? B C D O Sister chromatids O Homologous…
A: We are authorized to answer only one question at a time, since you have not mentioned which question…
Q: Question 1 Which of the following statements is false? All cells contain inner membranes All cells…
A: A biological cell is a hub of biochemical and metabolic activities. Numerous activities occur…
Q: Question 2: In which direction are polypeptides built by the ribosome? A. N' to C' B. C' to N'
A: Genetic code is read by the ribosome. mRNA that contains the genetic code is always read from 5’ to…
Q: Question 34 Which characteristic is shared by a cell membrane and a chylomicron? Both contain…
A: Introduction:- All lipid molecules in cell membranes are amphipathic (or amphiphilic), meaning they…
Q: Question 11 Which of the following organelles is NOT found in both plant and animal cells? a)…
A: An organelle is a subcellular structure that, like an organ, performs one or more specific functions…
Q: Question 6. What is the process through which cellular organelles can be recycled in the cell? A.…
A: The science of cell structure and function is known as cell biology, and it is based on the idea…
Q: Which of the following statements regarding microtubules is FALSE? A Microtubules are polar.…
A: Microtubules are major components of the cytoskeleton
Q: Question 9. Which event occurs during anaphase? A. DNA replication B. the separation of sister…
A: The chromosomes itself, not the mitotic spindle, control sister chromatid segregation. Sister…
Q: Question 1. Which of the following is never found in prokaryotes? A. Ribosomes B. DNA Polymerases C.…
A: Introduction :- Ribosomes, also known as Palade granules, are macromolecular machines that perform…
Q: What occurs during metaphase phase of mitosis?
A: The M phase or Mitosis phases are the most dramatic period of the cell cycleinvolving major…
Q: Question 15 1 pts Which of the following statements is a distinguishing characteristic of…
A: Prokaryotes comprises of the kingdom Monera, they have a prokaryotic cell and they are unicellular…
Q: Question 1 In what way do prokaryotes differ from eukaryotes? O A. Prokaryotic cells lack a cell…
A: A prokaryote is a typically unicellular organism that lacks a nuclear membrane-enclosed nucleus. On…
Q: Question 2 of 10 Question 2. In the presence of low levels of GTP, microtubules inside a cell will…
A: Microtubules are found in eukaryotic cells. These are major components of cytoskeleton.
Q: Question 7 Why is cytokinesis an important part of cell division? O t is responsible for the proper…
A: Karyokinesis is the nuclear division and it is followed by cytokinesis at the time of cell division.
Q: Question 5. DNA replication and the production of additional histones occur during what part of the…
A: DNA replication and histone production during the cell cycle.
Q: QUESTION 11 Which of the following is FALSE about mitotic cell division? Some cells repair and…
A: The cell is the basic structural and functional unit of the body. It is responsible for various…
Q: Question 35 While using a light microscope, you see very small spherical cells with the following…
A: Microscope is an instrument which is used to observe objects and organisms that are too small to be…
Q: QUESTION 11 Which of the following is FALSE about mitotic cell division? OA Some cells repair and…
A: Mitosis is the division of a single cell into two daughter cells that are similar. It is the process…
Q: Question 3 How does a virus ‘choose’ the cell it will infect? A. There is no choice involved;…
A: Viruses are nonliving microscopic organisms that are depended on the host cell to replicate its…
Q: Question 7 What does a virus do during the lytic cycle after it enters the cell? forms a provirus O…
A: The lytic cycle is among two viral reproduction cycles; the other is the lysogenic cycle. The…
Q: Question 1. Which electron microscope technique below is used to view the surfaces of objects…
A: An electron microscope produce the image of an object using the accelerated electrons beam. There…
Q: QUESTION 27 What is a characteristic of the cell walls of mature plant cells? O a. Lignin O b.…
A: Plant cell contains cell wall and chloroplast organelle. But the animal cells don't have cell wall…
Q: Question 6 If DNA stays in the nucleus, what structure allows for proteins to be created in the…
A: Nucleolus The nucleolus is a condensed region of chromatin where ribosome synthesis occurs.…
Q: QUESTION 9 Select the factor that associates with the microtubule ends and pulls the protofilaments…
A: In the three types of cytoskeletal proteins are found that are microfilament, intermediate filament…
Q: Question 2 2/4 points Which of these associations between a cytoskeletal fiber and its function are…
A: Cytoskeleton are a dynamic 3-D structure present in the cytoplasm of an eukaryotic cell. It acts as…
Q: QUESTION 1 If cells do not pass the G1 checkpoint what happens to them? They begin mitosis They…
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Q: Question 10 (1 point) ✓ Saved Listen ▶ In humans, 2n = 46. What is number of chromosomes and DNA…
A: G2 phase stands for gap 2 phase. It comes after the S phase so, the DNA molecules have been…
Q: QUESTION 33 Which of the following would happen as a consequence of MAD2 becoming permanently…
A: As you have not mentioned in the question which one to answer, therefore, we are answering question…
Q: QUESTION 49 Match the terms on the left with its description or definition on the right. There is…
A: It is a subcellular structure that has one or more specific jobs to perform in the cell , much like…
Q: Question 30 Which term describes a single-celled organism that contains membrane-bound organelles?…
A: An organism may be unicellular or multicellular. The unicellular organisms are prokaryotes whereas…
Q: Question 40 Which of the following statements is true about prokaryotic and eukaryotic cells?…
A: The cells can be classified into two major types called the eukaryotes and prokaryotes. The…
Q: Question 6 What do the structures A and B represent ? Non-homologous chromosomes O Homologous…
A: We are authorized to answer only one question at a time, since you have not mentioned which question…
Q: Question 9 Which of the following is/are characteristic of all cellular organisms? O motility O…
A: Above all the species variations and differences, all living beings share various key…
Q: Question 10 Which of the following is true of the nucleus? It is the eukaryotic cell's…
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Q: Question 1. From which of human cells (based on cell structure (considering e.g. nucleus), and…
A: The cells of the human body are numerous and are over 200 different cell types. Each type of the…
Q: QUESTION 2 DNA replication occurs in which phase of the cell cycle? O a. S phase O b. M phase O c.…
A: The process by which the genome's DNA is copied in cells is known as DNA replication. Before…
Q: Question 4. Which of the following is the third and final tenant of Cell Theory to be accepted? A.…
A: There are three tenets of cell theory : "All living organisms are made up of one or more cells".…
Q: Question 5. Which of the following are never found in bacteria? A. Ribosomes B. Internal membranes…
A: Answer. E. Mitochondria
Q: Question 2. At the end of called a protease is activated and cleaves leading to the separation of…
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Q: Question 16 In the picture, the plant cells are put in pure water (100% water). Compared to the…
A: Osmosis is defined as the movement of water molecules from the region of higher to lower water…
Q: QUESTION 8 True or False: The outcome of Protein Synthesis is the assembly of proteins from Amino…
A: Protein: it is the polymer of Amino acids. Amino acids arranged themselves into linear polymer to…
Q: QUESTION 21 Which of the following is not a true statement? O Larger molecules move faster and…
A: Please repost question 22 separately.
Q: Question 7. What is the rate-limiting step in the formation of an actin microfilament or a…
A: Actin and myosin are muscle protein. These proteins play important role in the formation of cell…
Q: Question 8 Protein and starch cannot pass through cell membrane because of their O 1. Charge O 2…
A: The cell membrane also known as the plasma membrane is the outermost portion of the cell that allows…
Q: Question 5 Which of these is an example of active transport? Movement of sodium ions through a…
A: Cell or plasma membrane is a phospholipid bilayer that acts as a selectively permeable membrane…
Q: Question 1 Which of the following is (are) unique to animals (starting with Eumetazoan)? O the…
A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…
Q: Question 1 Which of the following causes a dividing cell to pinch in two by contracting like a…
A: A physical process of cell division that divides the parental cell’s cytoplasm into two daughter…
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- Question 11 Which of the following statements is true regarding pili and flagella assembly? O Pili and flagella are synthesized in a similar fashion; the proteins are produced internally then added to the base of the growing appendage. O Pili and flagella are synthesized in a similar, complex manner, approximately 20 different proteins are made inside the cell then secreted to extend the tip of the appendage. O Pili grow when protein subunits are added to the base, whereas flagellin proteins are added to the tip of the flagella during growth. O Pili grow when protein subunits are added to the tip, whereas flagellin proteins are added to the base of the flagella during growth.Question 2 Which of the following is FALSE regarding the four structures that BOTH prokaryotic and eukaryotic cells have in common and why are these essential structures for all cells? O DNA: directs protein production O Mitochondria: the power house of the cell. O Cytoplasm aqueous interior of all cells. houses organelles and other Structures O Cell membrane, regulates movement of molecules between cell and its surroundings. O Ribosomes build proteins according to the DNA'S instructionsQuestion 21 Which of the following functions is NOT made possible by lysosomes? O breakdown of large molecules O synthesize in lipids O digest waste products O protect the cell from foreign invaders Question 22 Which of the following cell membrane proteins allows movement of molecules? O channel proteins O receptor protein O structural proteins O glycoprotein
- QUESTION 15 Which of the following molecules is NOT a component of desmosomes? A Intermediate filaments B Actin C Plakoglobin D Desmoplakin E DesmocolinQUESTION 3 Which of the following statements regarding microtubules is FALSE? A Microtubules are polar. B Microtubules are inherently unstable and rapidly disassemble with low GTP concentrations. C Microtubule-binding proteins, such as Tau, always bind to microtubules to destabilize them. D Microtubules are composed of 13 protofilaments that are arranged into a hollow cylinder. E Microtubules are typically arranged in cells such that their plus (+) ends are directed towards the plasma membrane and their minus (-) ends are attached to the centrosomes.QUESTION 1 Which of the following statements is true: Gap junctions share plasmamembrane between two adjoining cells Plasmodesmata connect only epidermal cells in a plant body. Tight junctions allow the exchange of molecules between two adjoining cells. A desmotubulus connects two cells through a plasmodesmata. A desmosome provides a highly dynamic structure that allows adjoining cell to move in a coordinated fashion. Adherens junctions are coupled to the microfilament system.
- Tay-Sachs disease is a genetic disorder that results in the destruction of neurons due to a buildup of sphingolipids in the cells. Which organelle is malfunctioning in Tay-Sachs? lysosome endoplasmic reticulum peroxisome mitochondriaIn your opinion, is the nuclear membrane part of the endomembrane system? Why or why not? Defend your answer.Question 42 Which statement is true about mitosis? Page 1 (1E O It is a form of asexual reproduction resulting in daughter cells that each have half the number of chromosomes as the parent cell. O It is a form of asexual reproduction resulting in daughter cells that each have one set of chromosomes identical to the parent cell. O l is a form of sexual reproduction resulting in daughter cells that cach have one set of chromosomes identical to the parent cell. O It is a form of sexual reproduction resulting in daughter cells that each have half the number of chromosomes as the parent cell. « Previous Next Quiz saved at 9:05am Submit O
- QUESTION 7 Match the organelle to its function. Nucleus A. Synthesis of secreted proteins and addition of "core" oligosaccharides B. Sequestering and storing calcium ions (Ca2+) so that its cytoplasmic concentration remains very low; also some lipid production Rough endoplasmic reticulum Smooth endoplasmic reticulum Golgi Complex C. Processing and lengthening of oligosaccharides on proteins destined for secretion Lysosome D. Hydrolysis of macromolecules using low pH and hydrolytic enzymes Endosome E. aerobic metabolism - Mitochondria F. Compartmentalization of the chromosomes in a Eukaryotic cell; therefore the site of most RNA transcription as well as ribosome assembly 1. Chloroplast G. Sequestering reactions that have products that may be damaging to the cell and destruction of those damaging compounds Peroxisome H. Internalization of material from outside of cell e.g. for nutrition or pathogen removal I. photosynthesisQUESTION 4 The main advantage of an established cell line versus primary cell line prepared directly from tissue is: Othey can divide indefinitely (immortalized) Othey may have different properties than source tissue Othey can display differentiated state of source tissue Ⓒlarge numbers of cell can be produced QUESTION 5 Velocity centrifugation separates cellular components by while equilbrium centrifugation separates them by — O size and shape, density Odensity, size and shape O size, shape Oshape, sizeQUESTION 1 In plant cells, DNA molecules are found inside which structures? O the nucleus O the mitochondrial matrix O the chloroplast stroma O B and C O A, B and C