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Select all correct statements about bacterial chromosomes

BIO 101 Quiz 2 Chapter 3 Flashcards Quizle

Select all correct statements regarding the RNA component of ribosomal RNA. - Knowing the rRNA sequence of an organism would permit you to identify it as archaeal or bacterial. - Archaea were originally distinguished from bacteria on the basis of their rRNA sequences Which of the following statements concerning cells of bacteria and archaea is correct? Select one: A. Archaea contain small membrane-enclosed organelles; bacteria do not. B. Mitochondria are present in some bacteria and all archaea. C. Chromosomes in both archaea and bacteria contain DNA. D. Archaea contain a membrane-bound nucleus; bacteria do. Which of the following apply to bacterial genomes? Select all that apply. a. They are comprised of a single circular chromosome. b. Bacterial genes contain introns polysaccharide (e.g., methanochondroitin) Select all components of the archaeal cell that would be found in the nucleoid. chromosomes and protein. Which three of the following are chemical signatures found in the pseudomurein component of some archaeal cell walls? N-acetylalosaminuronic acid. β (1-3) glycosidic bonds Select all that apply. A. Chromosomes are structures that carry genetic information. B. Chromosomes participate in cell respiration and the production of energy

Correct answers: 2 question: Select the correct statement about bacteria. a. all organisms with cells containing a membrane-enclosed nucleus and organelles are eukaryotes, whereas all organisms with cells lacking a membrane-enclosed nucleus and organelles are bacteria. b. the majority of bacteria cause human disease. c. certain bacteria live within rocks kilometers below the earth's surface - Bacterial chromosomes are small enough that they do not need to be coiled. - In eukaryotes, DNA is coupled with proteins called histones and other proteins to make up chromatin. - In bacteria, chromosomes are supercoiled.Topoisomerases remove bases from DNA in order to coil the DNA Correct answers: 3 question: Which of these statements can be used to describe a chromosome? select all correct answers. a. a chromosome is a long, continuous strand of dna b. histones are proteins that are only present during mitosis c. chromosomes are tightly packed during mitosis d. chromosomes float freely around the cell of eukaryotes e. telomeres are chromosome regions that lack genes f. Select the incorrect statement w.r.t prokaryotic cells Prokaryotic chromosomes possess acidic protein are called polyamine. 4. Prokaryotic cytoplasm lack streaming movement of cytoplasm. It is basically present in animal and plant cells. All options are correct. So, the correct answer as per question is 'None of the above'..

Although all chromosomes consist of DNA, bacterial chromosomes are structurally distinct from their eukaryotic cousins. How do these differences affect what happens to bacterial chromosomes during cell division? Which of the following statements are correct? Select the two that apply Question 14 Correct Mark 1.00 out of 1.00 Which of the following statements is false? Select one: a. Haploid gametes are formed by meiosis b. Mitosis forms genetically identical daughter cells c. Mitosis results in the formation of four daughter cells from a single parent cell d. Mitosis forms diploid daughter cells from a diploid parent cell The correct answer is: Mitosis results in the.

Chapter 3 Flashcards Quizle

  1. Select all that apply. ANSWER: Organelle DNA packaging is similar to nuclear DNA packaging. Mitochondria are similar in size to some existing bacteria. Mitochondrial genes are transcribed by a polymerase that is similar to bacterial polymerases. Organelle DNA packaging is similar to the packaging of a bacterial chromosome
  2. 1. Which of these statements can be used to describe a chromosome? Select all correct answers. a. A chromosome is a long, continuous strand of DNA. b. Histones are proteins that are only present during mitosis. c. Chromosomes are tightly packed during mitosis. d. Chromosomes float freely around the cell of eukaryotes. e. Telomeres are chromosome
  3. Correct answers: 2 question: Practice 2: Which of the following are true statements about DNA and chromosomes? Select all correct answers A. Most of the DNA in a eukaryotic cell is found in the nucleus B. Bacteria do not have chromosomes C. DNA is found in the nucleus, but also in mitochondria and chloroplasts D. Chromosomes are structures that organize large amounts of DNA E. Chromosomes are.
  4. Select the correct answer. 1) Which of the following is FALSE about scientific theories? All Bacteria get nutrients via absorption and all Eukarya by If a sperm cell has 6 chromosomes, it comes from an animal whose somatic cells have ___ chromosomes. A) 6 B) 10 C) 12 D) 18 E) 24 36) The haploid number of chromosomes for humans i

Chapter 3. Cell Structure and Function Flashcards Quizle

Solved: Select All Of The Correct Statements Regarding Bac

A. The leading strand is the DNA strand that DNA polymerase constructs in the 5' → 3' direction. This strand of DNA is made in a continuous manner, moving as the replication fork grows.DNA polymerase is then able to use the free 3'-OH group on the RNA primer to make DNA in the 5' → 3' direction.. B. On the lagging strand, DNA polymerase is moving away from the replication fork, meaning. Select one: a. chloroplasts b. water vacuole. c. cell wall d. all of the above. Feedback The correct answer is: all of the above. Question 20. Correct Mark 1.00 out of 1. Flag question Question text. The physical expression of a genotype is the phenotype. Select one: True. False Feedback The correct answer is 'True'. Question 2 10%. Solution: In addition to the single large circular chromosome, each bacterial cell contains from 1 to 20 much smaller circular duplex DNA molecules which are called as plasmids. Plasmids replicate along with the bacterial chromosome. Their function varies. Some of them become incorporated into the host cell chromosome and are called episomes Instructions: Select the single best answer to each of the questions given below. Each question is worth one mark, for a total of 30 marks. Which of the following is NOT correct about bacterial conjugation? a. F- cells do not contain the F factor. b. Bacterial conjugation results in an exchange of genes between two bacterial cells. c

The bacterial chromosome is a single, circular piece of double-stranded (ds) DNA. If this piece of DNA were cut to form a piece of linear DNA, the linear piece of DNA would be almost 1,000 times as long as the cell itself. However, when packaged into the bacterial cell, this DNA takes up only 10% of the total cell volume. How can this be. The genetic material is referred to as genophore. Genophore is the bacterial chromosome. It has a double stranded circular supercoiled, DNA. DNA has about 10,000 genes in E.coli. Double stranded DNA in bacteria is without histones. 8. Transduction in bacteria is mediated by (a) plasmid vectors (b) phage vectors (c) cosmids (d) F-factors Circle all correct answers. 1. What groups listed below have true cell walls? A. algae B. mycoplasmas C. Gram-positive bacteria D. fungi E. protozoans 2. Identify which statements are correct. A. All bacteria have peptidoglycan in their cell walls. B. All fungi have chitin in their cell walls. C. All algae have cellulose in their cell walls D Chromosomes and gene are responsible for the inheritance of characters. Chromosomes are present in the nucleus. Genes are the parts of chromosomes which consist of DNA. 9. Choose the correct statement: (a) Genes are located in the chromosomes. (b) The cell is located in the nucleus. (c) Chromosomes are located in the nucleolus

Question: Select all of the accurate statements below

  1. Which statements describe a bacteriophage? Select all that apply. a.It is a type of virus that infects bacteria. b.It is a type of bacteria that infects viruses. c.It is a virus consisting of a protein coat and a DNA core. d.It is a bacterial strain consisting of protein and a DNA core. A,C . Explanation
  2. 120 seconds. Q. Analyze the cell cycle diagrams of two different types of cells. Compare and contrast the length of time each cell takes to complete each phase of the cycle. Match the event to the correct phase of the cell cycle: Cells grow at a rate that is the same in the two cell types
  3. Which of the following statements about the Flavr Savr tomato are correct? Select all that apply. A) The Flavr Savr tomato has an inserted bacterial gene in its genome that provides herbicide.
  4. D. Correct - all blood types are possible. In all instances, an A or O rearranging genes on one chromosome D. Correct - this image shows two different sized chromosomes, indicating non- Which statement describes a cell process that is common to bot

29: each of the following statements concerning bacterial and human cells is correct except: A: bacteria are prokaryotic (i.e. they have one molecule of DNA, are haploid, and have no nuclear membrane), whereas human cells are eukaryotic (i.e. they have multiple chromosomes, are diploid, and have a nuclear membrane) B: bacteria derive their. Question. 9 Choose the correct statements. (a) Genes are located in the chromosomes (b) Cell is located in the nucleus (c) Chromosomes are located in the nucleolus (d) Cell membrane surrounds the nucleus Answer. (a) Genes are the unit of inheritance located in the chromosomes. The other statements are incorrect and their correct form are as In order to be functional, a eukaryotic chromosome requires all of the following EXCEPT: A) a centromere. B) origins of replication. C) a plasmid. D) telomeres. (Select all that apply.) A) It appears that homologous chromosomes rather than sister chromatids are Using the following choices, indicate the CORRECT phase(s) in parts a-e. 1. Select the correct statement from following: A. Activated sludge in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria. B. Biogas is produced by the activity of aerobic bacteria on animal waste (dung) C. Methanobacterium is an aerobic bacterium found in rumen of cattle. D

DNA (deoxyribonucleic acid) is the cell's genetic material, contained in chromosomes within the cell nucleus and mitochondria. Except for certain cells (for example, sperm and egg cells and red blood cells), the cell nucleus contains 23 pairs of chromosomes. A chromosome contains many genes. A gene is a segment of DNA that provides the code. Correct answer to the question Do you agree or disagree that homologous chromosomes are found in gametes. Explain - e-eduanswers.com Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas, (ii) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen, (iii) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose

Microbiology ch. 4 Flashcards Quizle

Which of the following statements about the bacteria phage chromosome is correct? (A) It has linear double stranded DNA, the ends of the DNA is sticky, meaning that the two ends can complement each other and fold back to form a circular molecule. (B) It has linear single stranded DNA, the ends of the DNA is sticky, meanin 58. The chromosomes in which centromere is situated close to one end are (a) metacentric (b) acrocentric (c) telocentric (d) sub-metacentric. 59. Select the correct matching in the following pairs. Smooth ER— Oxidation of phospholipids Smooth ER— Synthesis of lipids Rough ER— Synthesis of glycogen Rough ER— Oxidation of fatty acids. 60 The correct statement regarding Blue green algae is a. 3.The haploid number of chromosome for an Angiosperm is 14 , the number of chromosome in its Refer to the given figure and select the correct statement i. A, B, and C are histogen of shoot ape ii. A Gives rise to medullary rays. iii. B Gives rise to corte Pick out the correct statements. (1) Haemophilia is a sex-linked recessive disease. (2) Down's syndrome is due to aneuploidy. (3) Phenylketonuria is an autosomal recessive gene disorder. (4) Sickle cell anaemia is an X-linked recessive gene disorder. (NEET 2016 (3) Same number of chromosomes and twice the amount of DNA (4) Twice the number of chromosomes and 4 times the amount of DNA 15. Which structure performs the function of mitochondria in bacteria[AIPMT-2014] (1) Nucleoid (2) Ribosomes (3) Cell wall (4) Mesosome 16. Match the following and select the correct answer[AIPMT-2014] Column I Column II a

29: each of the following statements concerning bacterial and human cells is correct except:A: bacteria are prokaryotic (i.e. they have one molecule of DNA, are haploid, and have no nuclear membrane), whereas human cells are eukaryotic (i.e. they have multiple chromosomes, are diploid, and have a nuclear membrane)B: bacteria derive their energy. A host cell normally does not take up a foreign DNA until it has been made competent to do so. This is because: 1. DNA is a hydrophilic molecule. 2. DNA is a very large molecule. 3. there are no receptors for DNA on the cell membrane. 4. DNA is an inert molecule

D. All of the choices are correct. 8. Humans have an exaggerated impact on the ecosystem through their use of extra sources of energy and raw materials, and the production of extra wastes that must be handled. True False Living organisms on Earth share many common characteristics. Which statements are TRUE and which are FALSE about nearly all c. They correct errors made during earlier phases of DNA replication. d. They are necessary because DNA polymerase can only build DNA in the 5' to 3' direction, so for one of the strands at each fork, the DNA polymerase can only buildaway from the fork. e. They prevent the ends of chromosomes from shortening with every replication Study the following figures and select the correct statements regarding these. (i) A shows mode of asexual reproduction in sponges through internal buds. (ii) B shows sexual reproduction through zoospores in Chlamydomonas. (iii) C shows asexual reproduction through conidiospores in Penicillium. (iv) D shows external budding in Sycon Chapter 8. 1. 1) A gene is best defined as. A) any random segment of DNA. B) three nucleotides that code for an amino acid. C) a sequence of nucleotides in DNA that codes for a functional product. D) a sequence of nucleotides in RNA that codes for a functional product. E) the RNA product of a transcribed section of DNA

Which of the following statements concerning cells of

The genetic material of bacteria and plasmids is DNA. Bacterial viruses (bacteriophages or phages) have DNA or RNA as genetic material. The two essential functions of genetic material are replication and expression. Genetic material must replicate accurately so that progeny inherit all of the specific genetic determinants (the genotype) of the parental organism A chromosome with the centromere located two-thirds of the distance from its end could be classified as : either submetacentric or acrocentric. Consider a diploid species where n=5. If an individual of this species was found to have 11 chromosomes, it would be categorized as : aneuploid Cell Theory is one of the basic principles of biology. Credit for the formulation of this theory is given to German scientists Theodor Schwann (1810-1882), Matthias Schleiden (1804-1881), and Rudolph Virchow (1821-1902). The Cell Theory states: All living organisms are composed of cells. They may be unicellular or multicellular This is further compacted into a 30 nm fiber, which is the diameter of the structure. At the metaphase stage, the chromosomes are at their most compact, are approximately 700 nm in width, and are found in association with scaffold proteins. In interphase, eukaryotic chromosomes have two distinct regions that can be distinguished by staining

Which of the following apply to bacterial genomes? Select

DNA structure. DNA exists as a double-stranded structure, with both strands coiled together to form the characteristic double-helix.Each single strand of DNA is a chain of four types of nucleotides.Nucleotides in DNA contain a deoxyribose sugar, a phosphate, and a nucleobase.The four types of nucleotide correspond to the four nucleobases adenine, cytosine, guanine, and thymine, commonly. A. Each chromosome is paired with a homologous chromosome. B. Each chromosome consists of two sister chromatids joined by a centromere. C. Each chromosome is joined with its homologous pair to form a synaptonemal complex. D. Each chromosome consists of a single strand of DNA. 43. Which of the following statements describes the chromosomal C Select the correct statement (s): (i) Microbial experiment show the pre - existing advantageous mutations when selected will result in the observation of new phenotypes. Over a few generations this would result in speciation. (ii) Neanderthal fossilis represent a human relative. (iii) In 1938, a fish caught in South Africa happened to be a coelacanth (lobe fins) which was thought to be extinct DNA collection c. gene bank d. genomic library Question 13 Correct 1.00 points out of 1.00 Flag question Question text In the process of human gene cloning using plasmids the bacterial plasmid Select one: a. is used to insert the human gene into the bacterial chromosome b. is the source of the gene to be cloned c. is cultured inside the human. Select the correct statement. (a) Mothers have two X chromosomes as sex chromosomes so, they produce eggs with X chromosome. All of her children (both girl and boy) receive X chromosome from their mother. So, genetic combination of mothers do not play a significant role in determining the sex of a new born. Bacteria have a simpler body.

Microbiology Chapter 4 Flashcards Quizle

Question 1 (Multiple Choice Worth 1.6666 points) Archaea differ from bacteria except for the following characteristic: a) They have a different type of ribosomal RNA b) They have chemically different cell walls c) They are prokaryotes d) They do not cause common diseases e) none of the above Question 2 (Multiple Choice Worth 1.6666 points) Jason is a farmer developing new varieties of. Most bacteria have one or two circular chromosomes. Humans, along with other animals and plants, have linear chromosomes that are arranged in pairs within the nucleus of the cell. The only human cells that do not contain pairs of chromosomes are reproductive cells, or gametes, which carry just one copy of each chromosome Question 6 5 pts Which statement(s) about chromatin structure is correct? Select all that apply. Hint: • DNA Packaging e video Genome and Ploidye video Textbook chapter 10 section 10.1 Nucleosomes are composed of proteins called histones DNA is wrapped around sugar molecules Select one or more correct statements for 4-chloro-3- methylpentanoic acid. Bacteria have single, circular chromosomes, along with extra pieces of DNA called plasmids. The chromosomes and. Choose the wrong statements regarding bacterial cell. a. Glycocalyx is the outer most envelope in bacteria b. The glycocalyx could be a loose sheath called capsule c. The glycocalyx may be thick and tough called slime layer d. A special structure formed by the plasma membrane is called mesosome e

Which of the following are correct statements describing

Blue green algae is a bacteria which comes under prokaryotes hence statement d) is wrong. 23. Identify the correct statement about cells. (a) All the cells have nucleus. (b) Cells of an organ have similar structure. (c) Cells of a tissue have similar structure. (d) Shape of all types of cells is round. Soln Consider a human cell. It has 46 chromosomes and will be constant for all human beings. But the mitochondria present in the human will have a different amount of extrachromosomal DNA. As like in human beings, bacteria will have the same amount of genomic DNA but the extra genomic DNA contained in plastids and mitochondria will be different. 7

Select the correct statement about bacteria

23) All of the following statements are correct about the common bacteriological media known as Sheep blood agar, Except a) It consists of 5% of sheep blood b) Used for the identification of common fastidious bacteri Study the following statements and select the option with correct statements. Pulvinus leaf base is present in some leguminous plants; In the acrocentric chromosome, the centromere is situated close to one end of the chromosome. They were unable to perform photolysis of water and never released oxygen, e.g. sulphur bacteria. Answer. 27 Asexual reproduction of a mother cell results in two identical daughter cells, eg mitosis. This process is composed of four phases: prophase, chromatin condenses, then metaphase, chromosomes gather, then anaphase, homologous chromosomes separate, and finally the telophase, the cell divides into two, is cytodiesesis. 3

A) Which of the following statements about Chegg

a. The statement (9−0)2+(8−6)2≠(9−0)2+(10+7)2 is a true statement, so P is not on . biology. Why do cells used in sexual reproduction need to have fewer chromosomes? to increase diversity by creating new chromosomes from scratch to maintain the number of chromosomes specific to the species to decrease the number o NCERT Exemplar Problems Maths Physics Chemistry Biology. We hope the NCERT Exemplar Class 11 Biology Chapter 8 Cell The Unit of Life help you. If you have any query regarding NCERT Exemplar Class 11 Biology Chapter 8 Cell The Unit of Life, drop a comment below and we will get back to you at the earliest

Which of these statements can be used to describe a

A. Mitosis only occurs in prokaryotes, including all bacteria, while meiosis occurs in higher life forms B. In the human body, mitosis occurs in somatic cells while meiosis occurs in sex cells C. None of the other answer choices are correct D. Mitosis results in higher genetic variability than meiosi Plasmid. A plasmid is a small, often circular DNA molecule found in bacteria and other cells. Plasmids are separate from the bacterial chromosome and replicate independently of it. They generally carry only a small number of genes, notably some associated with antibiotic resistance. Plasmids may be passed between different bacterial cells Select the wrong statement. (a) Bacterial cell wall is made up of peptidoglycan. (b) Pili and fimbriae are mainly involved in motility of bacterial cells. (c) Cyanobacteria lack flagellated cells. (d) Mycoplasma is a wall-less microorganism

statements. i) Unit of mass is unchanged. ii) Unit of time is unchanged. iii) Unit of linear momentum is doubled. iv) Unit of energy is doubled. Among the above statements . a) All four are correct. b) Only i, ii and iii are correct. c) Only i and ii are correct. d) Only ii and iii are correct. Q3 17%. Solution: Bacterial cells do not have nucleus, characteristic of eukaryotic cells. Nuclear material of bacteria lies free in the cell in the form of an irregular, thin, fibrillar and circular single molecule of DNA, called nucleoid or chromatin body. This DNA, sometimes attached at one or more points to a mesosome, frequently runs parallel. Bacterial chromosomes are immense polymers whose faithful replication and segregation are crucial to cell survival. The ability of proteins such as FtsK to move unidirectionally toward the replication terminus, and direct DNA translocation into the appropriate daughter cell during cell division, requires that bacterial genomes maintain an architecture for the orderly replication and. Which of the following statements is NOT correct? A) Gametes contain half the number of chromosomes found in somatic cells. B) Somatic cells have the diploid number of chromosomes. C) The haploid number of chromosomes in humans is 23. D) The diploid number of chromosomes in humans is 23 pairs. E Definition. DNA gyrase functions as a topoisomerase relieve tension, DNA helicase unwinds DNA, replication fork contains 2 DNA polymerase III molecules, primase as RNA PRIMER. Term. Dinitrophenol (DNP) is referred to as being an uncoupler. Uncouplers can incorporate or insert into membranes and then function to allow the movement of ions, such. Multiple Select: Select the correct choices for each statement. The choices may be all correct, all incorrect, or a combination of correct and incorrect. What is the anatomy of a sperm? a. A sperm contains 46 chromosomes. b. A sperm has an acrosome cap for energy. c. A sperm contains abundant cytoplasm. d. A sperm has large mitochondria to.