Prokaryotes reproduce by means of ______. SOLVED:Prokaryotes reproduce by means of a. the lytic cycle. b. binary fission. c. mitosis. d. meiosis. e. the lysogenic cycle. 2022-10-28
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Prokaryotes are a diverse group of organisms that include bacteria and archaea. These organisms are characterized by the fact that they do not have a nucleus or other membrane-bound organelles within their cells. Despite their small size and simple cellular structure, prokaryotes are highly adaptable and can be found in almost every environment on Earth.
One of the key ways in which prokaryotes reproduce is by means of binary fission. Binary fission is a type of asexual reproduction in which a single parent cell divides into two daughter cells. This process occurs when the cell grows to a certain size and then begins to replicate its DNA. The cell then elongates and begins to pinch in the middle, eventually dividing into two separate cells.
Binary fission is a very efficient means of reproduction for prokaryotes, as it allows them to quickly produce large numbers of offspring. This is especially important in environments where resources may be scarce or where the conditions may be highly variable. By reproducing rapidly, prokaryotes can ensure their survival and adaptability in a changing environment.
In addition to binary fission, some prokaryotes can also reproduce by means of conjugation. Conjugation is a process in which two prokaryotes come into contact with each other and exchange genetic material. This process is facilitated by a structure called a pilus, which is a hair-like appendage that extends from the surface of one cell and connects to another cell. During conjugation, DNA from one cell is transferred to the other cell, allowing the recipient cell to acquire new genetic traits.
Prokaryotes also have the ability to exchange genetic material through horizontal gene transfer. This occurs when prokaryotes take up DNA from their environment, either through phagocytosis (ingestion of larger particles) or through the process of transduction (transfer of DNA by viruses). Horizontal gene transfer allows prokaryotes to rapidly adapt to new environments and acquire new traits, such as resistance to antibiotics or the ability to break down new sources of food.
In summary, prokaryotes reproduce by means of binary fission, conjugation, and horizontal gene transfer. These processes allow prokaryotes to quickly adapt to changing conditions and ensure their survival in a variety of environments.
Most prokaryotes reproduce by means of the process of . .which is a form of Choose Increased genetic
A crocodile is equally related to a lizard and a bird. Unlike eukaryotes that have a nucleus, the DNA of prokaryotes is circular but not contained within a structure. Polyphyletic groups; homologous traits f. A Protists do not share a single common ancestor. Reproduction can be very rapid: a few minutes for some species.
A the state of having several traits in common with different monophyletic groups B a trait that evolved in several different monophyletic groups simultaneously C a trait that is shared by more than one monophyletic group D a trait common in a single monophyletic group, but not generally found outside of that group While examining a rock surface, you have discovered an interesting new organism. In transduction, bacteriophages, the viruses that infect bacteria, sometimes also move short pieces of chromosomal DNA from one bacterium to another. Damming of the river causes the island to flood and only the highest points of the island are now above water. Furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. The origins of viruses in the evolutionary history of life are unclear: some may have evolved from plasmids—pieces of DNA that can move between cells—while others may have evolved from bacteria. . Prokaryotes do not undergo mitosis; rather the chromosome is replicated and the two resulting copies separate from one another, due to the growth of the cell.
SOLVED:Prokaryotes reproduce by means of a. the lytic cycle. b. binary fission. c. mitosis. d. meiosis. e. the lysogenic cycle.
B The outgroup roots the tree, allowing the principle of parsimony to be applied. A cell is the smallest unit of life that can replicate independently, and can carry genetic material, which is in the form of DNA. Prokaryotic reproduction is different from eukaryotes. In the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. You get back into your time machine with your wacky professor and take off again. If a nonpathogenic bacterium takes up DNA for a toxin gene from a pathogen and incorporates the new DNA into its own chromosome, it, too, may become pathogenic.
Prokaryotes reproduce by means of A mitosis B binary fission C budding D meiosis
The ants cannot swim, so are now in multiple isolated populations. Research an endangered reptile and write 4 praragraphs about how to protect the reptile. In some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called ligers. A crocodile is related to a lizard but is not related to a bird. E The engulfed cell provided the host cell with carbon dioxide. In c conjugation, DNA is transferred from one cell to another via a mating bridge that connects the two cells after the pilus draws the two bacteria close enough to form the bridge. If this happens over a prolonged period, which of the following do you think will occur? C Some protists evolved into other eukaryotic groups.
Prokaryotes reproduce by means of ______. a. budding the cell cycle b. binary fission c. mitosis d. meiosis
Viruses range in size from about 30 nm to about 450 nm, which means that most of them are smaller than the wavelength of light. Polyphyletic groups; homoplasies c. The DNA may remain separate as plasmid DNA or be incorporated into the host genome. So looking at our answer choices, we see that our answer is b for binary efficient right at the video, the next 1. A Conifers have seeds enclosed in a protective structure e. A a post-zygotic barrier B sympatric speciation C the impact of mutations D the bottleneck effect E a pre-zygotic barrier Three populations of crickets look very similar, but the males have courtship songs that sound different.
D Organism does not have nucleus. Male ligers are sterile but some female ligers are fertile. Do NOT have a membrane bound 5 nucleus or organelles Lack a membrane-enclosed nucleus, ˃ lack other membrane-enclosed organelles, ˃ typically have cell walls exterior to their plasma membranes, and Are non vascular plants that include mosses, liverworts, and hornworts. A It has a unicellular haploid stage and a unicellular diploid stage B It has a multicellular haploid stage and a unicellular diploid stage C It has a multicellular haploid stage and a multicellular diploid stage D It has a multicellular polyploid stage and a multicellular diploid stage The difference between a monophyletic group and a paraphyletic group is that A A paraphyletic group contains the ancestor, but the other does not B A monophyletic group contains the ancestor , but the other does no C A paraphyletic group contains all the descendents , but the other does not D A monophyletic group contains all the descendents, but the other does not Which of the following statements is consistent with the assertion that protists are paraphyletic? Monophyletic groups; plesiomorphies b. How are two different species most likely to evolve from one ancestral species? B The host cell was able to survive anaerobic conditions with the engulfed cell alive. A evolutionary changes, geographic isolation, reproductive isolation B geographic isolation, evolutionary changes, reproductive isolation C genetic incompatibility, geographic isolation, evolutionary changes D reproductive isolation, genetic incompatibility, geographic isolation Which of the following is not related to the Cambrian Explosion? This has led to these mutant birds to be rejected for mating by the initial normal females and being accepted by the mutant females. Which of the following statements best describes the term synapomorphy? They are found wherever there is life and have a collective biomass that is at least ten times that of all eukaryotes.
E It is unicellular. A crocodile is more closely related to a bird than to a lizard. E Haploid gametes divide by meiosis to produce a diploid zygote, which grows by mitosis to produce diploid mycelia. Which of the following criteria will allow you to classify the organism as belonging to Bacteria but not Archaea or Eukarya? A isolation by dispersal B isolation by vicariance C a form of sympatric speciation D only a rare development of polyploidy could lead to speciation in this case. Females tend to mate where they feed, and the researcher finds a genetic basis for scent preference in these moths. She gives you tissue from seven orchid species and one lily.
In conjugation, DNA is transferred from one prokaryote to another by means of a pilus, which brings the organisms into contact with one another. Remember, complete sentences, so be sure to include plenty of facts in your article. C The host cell would have been poisoned if it had digested the engulfed cell. The DNA of a prokaryote exists as as a single, circular chromosome. C Its cell walls are comprised largely of cellulose. Eukaryotic Features In biology, a cell is the basic structural, functional, and biological unit of all known living organisms. Abiotic synthesis of organic molecules III.
A The engulfed cell allowed the host cell to metabolize glucose. Myosis myosis or mitosis sexual asexual procures produced the binary, efficient and viruses through the lidi or isogenic cycle. A Protists do not share a single common ancestor. With the exception of some large dsDNA viruses, all viruses are composed of either double-stranded RNA or single-stranded DNA, along with a few types of single-stranded RNA viruses. This short generation time, coupled with mechanisms of genetic recombination and high rates of mutation, result in the rapid evolution of prokaryotes, allowing them to respond to environmental changes such as the introduction of an antibiotic very rapidly. B New body plans provided ecological opportunities for even more species to form e.
Under these simulated early-Earth conditions, they observed which of the following: A formation of protobionts B formation of DNA molecules C nothing happened D formation of living organisms E formation of amino acids In lecture, you learned about a scenario of how life could have begun on Earth. As you open the door you realize you cannot breathe. Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants, and the discovery of viruses by Dmitri Ivanovsky in 1898, the classification of viruses has been unclear. D Protists are all more primitive than land plants and animals. B Protists all share a common set of synapomorphies. The prokaryote, now enlarged, is pinched inward at its equator and the two resulting cells, which are clones, separate. Most commonly a cell is the smallest unit of a multicellular organism, however, unicellular organisms such as bacteria are also cells.
