Description : Reproduction in bacterial cells occurs by the sequence of events known as _____. a. mitosis b. binary fission c. selfing d. budding
Last Answer : b. binary fission
Description : The inward pinching to the cell envelope in reproduction is called a. Binary fission b. Cytokinesis c. Mitosis d. Asexual reproduction
Last Answer : b. Cytokinesis
Description : Which of the following is a form of sexual reproduction: (1) Fragmentation (2) Haemapheoditism (3) Budding (4) Fission
Last Answer : (2) Haemapheoditism Explanation: Hermaphroditism is a form of sexual reproduction. Hermaphrodite is an organism that has reproductive organs normally associated with both male and female sexes. ... snails, slugs, etc-are usually parasitic, permanently attached to another animal or plant.
Last Answer : Haemapheoditism
Description : Which one of the following statements does NOT apply to bacterial reproduction? a. A fission ring apparatus is present. b. Septum formation occurs. c. A spindle apparatus is used. d. Symmetrical cell division occurs.
Last Answer : c. A spindle apparatus is used.
Description : How can bacteria exchange pieces of DNA? a. mitosis b. budding c. meiosis d. conjugation
Last Answer : d. conjugation
Description : Budding is most common asexual reproduction of — a. Bacteria b. Fungi c. Virus d. Yeast
Last Answer : d. Yeast
Description : Reproduction by budding takes place in a) Hydra b)Paramecium c)Amoeba d)bacteria
Last Answer : a) Hydra
Description : Which one of the following is NOT an example of genetic recombination? a. Conjugation b. Binary fission c. Transduction d. Transformation
Last Answer : c. Transduction
Description : Eukaryotic cell organelles first emerged A.from a specialized lineage of cells within the kingdom Protista B.when prokaryotes engulfed each other and became interdependent C.when bacteria made their first attempts at reproduction D.just before the origin of the animal and fungal kingdoms
Last Answer : B.when prokaryotes engulfed each other and became interdependent
Description : The orderly increase in the quantity of all the cellular components is known as a. Reproduction b. Growth c. Binary fission d. None of these
Last Answer : Ans: B
Description : The most common form of asexual reproduction in protozoa is called as A A. Binary fission B. Multiple fission C. Both D. None
Last Answer : Binary fission
Description : Which of the following pairs is not correctly matched? Mode of reproduction Example (a) Binary fission Sargassum (b) Conidia Penicillium (c) Offset Water hyacinth (d) Rhizome Banana
Last Answer : a) Binary fission Sargassum
Description : The most common mode of cell division in bacteria is a. Binary fission b. Transverse binary fission c. Longitudinal binary fission d. None of these
Last Answer : Ans: C
Description : Conjugation pili are found only on some ______ bacteria, though it may occur between cells of various bacteria. a. Gram-positive b. Gram-negative c. Acid-fast d. Capsule containing
Last Answer : b. Gram-negative
Description : Yeasts of the species Saccharomyces a. Are Used In Bread Making. b. Reproduce By Budding. c. Are Members Of The Ascomycetes. d. All Of The Above (A—C) Are Correct.
Last Answer : d. All Of The Above (A—C) Are Correct.
Description : What is the process of binary fission in bacteria? -Biology
Last Answer : answer:
Description : What specific type of bacteria reproduces through binary fission every hour. If there are three bacteria cells to begin with how many bacterial cells will there be in five hours?
Last Answer : 32
Description : The Pneumococcus experiment proves that (a) bacteria do not reproduce sexually (b) RNA sometime controls the production of DNA and proteins (c) DNA is the genetic material (d) bacteria undergo binary fission.
Last Answer : (d) bacteria undergo binary fission.
Description : Mention the four events that occur during binary fission in Amoeba.
Last Answer : Mention the four events that occur during binary fission in Amoeba.
Description : Budding is a normal mode of asexual reproduction in
Last Answer : Budding is a normal mode of asexual reproduction in A. Hydra and starfishes B. Hydra and Sponges C. Hydra and tapeworms D. Sponges and starfishes
Description : .Budding is a normal mode of asexual reproduction in (a) starfish and Hydra (b) Hydra and sponges (c) tapeworm and Hydra (d) sponge and starfish.
Last Answer : (b) Hydra and sponges
Description : Artificial methods of reproduction do not include a) Rhizome b) cutting c) layering d) budding
Last Answer : a) Rhizome
Description : What is the function of the cell envelope? a. growth and reproduction b. protection from osmotic pressure c. sensing and responding to the environment d. acquiring nutrients
Last Answer : b. protection from osmotic pressure
Description : How does sexual reproduction occur in bacteria? How different are the modalities of bacterial sexual reproduction?
Last Answer : Sexual reproduction occurs when bacteria incorporate genetic material into other bacteria of the same species; the inserted genetic fragment then becomes part of the genetic material of the second ... by means of transformation, transduction or conjugation. Learn Protozoans and Algae - Easy Review
Description : The interval of time between successive reproductions is called a. Doubling time b. Generation time c. Incubation time d. Fission time
Last Answer : b. Generation time
Description : Which of the following techniques may be performed quantitatively to determine the number of bacteria of a particular type? A.Pour plate B.Spread plate C.Both (a) and (b) D.Streak plate technique
Last Answer : C.Both (a) and (b)
Description : Which of the following may contain fimbriae? A- Gram-positive bacteria B- .Gram-negative bacteria C- Both (a) and (b) D- None of these
Last Answer : C. A and b
Description : Both the ascus and the basidium a. Are formed by fungi in the mitosporic fungi. b. Are involved in coenocytic formation by fungi. c. Are diploid structures. d. Are produced during the sexual stage of fungal reproduction.
Last Answer : d. Are produced during the sexual stage of fungal reproduction.
Description : Fungi in the division Deuteromycota are characterized by the fact that A- they only reproduce sexually B- they form sexual spores called deuterospores C- they are incapable of sexual reproduction D- a method of sexual reproduction has not been identified
Last Answer : a method of sexual reproduction has not been identified
Description : Living organisms have many complex characteristics. Which one of the following is sharedbynon-living matter as well?A- Homeostasis B- Tissues C- Reproduction D- Molecules
Last Answer : Molecules
Description : Intracellular organization in bacterial and archaeal species is centered a. Compartmentation of metabolism. b. Growth and reproduction. c. Sensing and responding to environment. d. All the above (A—C) are correct.
Last Answer : d. All the above (A—C) are correct.
Description : All the following are associated with hemolytic disease of the newborn except: a. It is one of the most common diseases among Americans. b. It may occur if an Rh (-) female conceives a child who ... antibodies. d. It can be prevented by using rhogam. 16 Which one of the following applies to the
Last Answer : b. It may occur if an Rh (-) female conceives a child who is Rh (+).
Description : .______ enters the human body as a cyst and develops into a trophozoite in the small intestine; a severe form of dysentery may occur. a. Cryptosporidium parvum b. Entamoeba histolytica c. Giardia intestinalis d. Cyclospora cayetanensis
Last Answer : b. Entamoeba histolytica
Description : A plaque is a a. Change In Cell Structure Due To Viral Infection. b. Viral Cell Inclusion. c. Clear Zone Within A Lawn Of Bacteria. d. Cellular Aggregation Of Phage Heads.
Last Answer : c. Clear Zone Within A Lawn Of Bacteria.
Description : Without restriction endonucleases, it would be very difficult to a. Force Plasmids into Bacteria. b. Chemically Open Dna Molecules. c. Replicate Dna In A Recombinant Cell. d. Bring About Mutations In Bacteria.
Last Answer : b. Chemically Open Dna Molecules.
Description : Exponential phase of growth curve of bacteria is of limited duration because of A.rise in cell density B.accumulation of toxic metabolites C.exhaustion of nutrients D.all of these
Last Answer : D.all of these
Description : The cell wall of A.gram-positive bacteria are thicker than gram-negative bacteria B.gram-negative bacteria are thicker than gram-positive bacteria C.both have same thickness but composition is different D.none of these
Last Answer : A.gram-positive bacteria are thicker than gram-negative bacteria
Description : Which of the following is true about cell wall of gram-positive bacteria? A- It consists of multiple layers B- It is thicker than that associated with gram-negative bacteria C- It contains teichoic acids D- D.All of these
Last Answer : D.All of these
Description : The role of the M cell is to A- .trap virus in mucus and prevent entry B- induce apoptosis in virus-infected small intestinal epithelia cells C- pass bacteria or virus to underlying macrophages for ... and presentation of antigen D- they use their cilia to propel mucus out of the small intestine
Last Answer : pass bacteria or virus to underlying macrophages for processing and presentation of antigen
Description : Teichoic acids are typically found in A- cell walls of gram positive bacteria B- outer membranes of gram positive bacteria C- cell walls of gram negative bacteria D- outer membranes of gram negative bacteria
Last Answer : cell walls of gram positive bacteria
Description : The cell wall of A- gram-positive bacteria are thicker than gram-negative bacteria B- gram-negative bacteria are thicker than gram-positive bacteria C- both have same thickness but composition is different D- none of these
Last Answer : gram-positive bacteria are thicker than gram-negative bacteria
Description : Which cell type is considered to have the oldest ancestor? A- Archaea B- Bacteria C- Eukarya D-they all share the same ancestor
Last Answer : they all share the same ancestor
Description : The cell walls of many gram positive bacteria can be easily destroyed by the enzyme known as A-lipase B- .lysozyme C- .pectinase D-.peroxidase
Last Answer : .lysozyme
Description : Which of the following is true about cell wall of gram-positive bacteria? A-It consists of multiple layers B- It is thicker than that associated with gram-negative bacteria C- It contains teichoic acids D- All of these
Last Answer : All of these
Description : Which of the following bacteria lack a cell wall and are therefore resistant to penicillin? A- Cyanobacteria B- Mycoplasmas C- .Bdellovibrios D- .Spirochetes
Last Answer : Mycoplasmas
Description : Which of the following bacteria lack a cell wall and are therefore resistant to penicillin? A- Cyanobacteria B- Mycoplasmas C- Bdellovibrios D- Spirochetes
Description : Which cell type is considered to have the oldest ancestor? A- Archaea B- Bacteria C- Eukarya D- they all share the same ancestor
Description : The unifying feature of the archaea that distinguishes them from the bacteria is A- habitats which are extreme environments with regard to acidity B- absence of a nuclear membrane temperature ... of a cell wall containing a characteristic outer membrane D- cytoplasmic ribosomes that are 70S
Last Answer : absence of a nuclear membrane temperature