What are Viruses?
... Contain RNA, not DNA Contain enzyme called Reverse Transcriptase When a retrovirus infects a cell, it injects its RNA and reverse transcriptase enzyme into the cytoplasm of that cell and it is able to make DNA ...
... Contain RNA, not DNA Contain enzyme called Reverse Transcriptase When a retrovirus infects a cell, it injects its RNA and reverse transcriptase enzyme into the cytoplasm of that cell and it is able to make DNA ...
viruses and bacteria
... 1. _________________ All viruses look alike 2. _________________ Bacteria are unicellular 3. _________________ Bacteria have cell walls 4. _________________ Bacteria have a nucleus 5. _________________ Every virus contains DNA or RNA 6. _________________ A virus can replicate on its own Answer the ...
... 1. _________________ All viruses look alike 2. _________________ Bacteria are unicellular 3. _________________ Bacteria have cell walls 4. _________________ Bacteria have a nucleus 5. _________________ Every virus contains DNA or RNA 6. _________________ A virus can replicate on its own Answer the ...
Virus and Bacteria Worksheet
... T/F state whether the statement is true or false. If FALSE correct what is wrong to make the statement true. 1. _________________ All viruses look alike 2. _________________ Bacteria are unicellular 3. _________________ Bacteria have cell walls 4. _________________ Bacteria have a nucleus 5. _______ ...
... T/F state whether the statement is true or false. If FALSE correct what is wrong to make the statement true. 1. _________________ All viruses look alike 2. _________________ Bacteria are unicellular 3. _________________ Bacteria have cell walls 4. _________________ Bacteria have a nucleus 5. _______ ...
Viruses
... • Through the 1800s, many scientists discovered that something smaller than bacteria could cause disease and they called it virion (Latin word- poison). • In the 1930s, after the invention of electron microscopes, viruses finally could be seen. • The first photographs of viruses were obtained in 194 ...
... • Through the 1800s, many scientists discovered that something smaller than bacteria could cause disease and they called it virion (Latin word- poison). • In the 1930s, after the invention of electron microscopes, viruses finally could be seen. • The first photographs of viruses were obtained in 194 ...
VIRUSES - Piscataway Township Schools
... and then multiplies inside a living cell. – Do not use energy to grow or to respond to their surroundings – Cannot make food, take in food, or produce wastes ...
... and then multiplies inside a living cell. – Do not use energy to grow or to respond to their surroundings – Cannot make food, take in food, or produce wastes ...
File
... to make proteins. Therefore, viruses must rely on living cells for replication. Before a virus can replicate, it must first infect a living cell. In bacterial viruses, the cycle of viral infection, replication, and cell destruction is called the lytic cycle. After the viral genes have entered the ce ...
... to make proteins. Therefore, viruses must rely on living cells for replication. Before a virus can replicate, it must first infect a living cell. In bacterial viruses, the cycle of viral infection, replication, and cell destruction is called the lytic cycle. After the viral genes have entered the ce ...
Diapositiva 1 - Laboratorio de Genómica Viral y Humana
... Integration mediated by integrase. Can occur at one or more sites. ...
... Integration mediated by integrase. Can occur at one or more sites. ...
basic of phytopathology - isb
... Uncoated, small, circular, single-stranded RNA, which replicated autonomously when inoculated into a host plant. ...
... Uncoated, small, circular, single-stranded RNA, which replicated autonomously when inoculated into a host plant. ...
IMMUNE RESPONSE TO INFECTIOUS DISEASE
... shingles, herpes, polio, rabies, Ebola, hanta fever, and AIDS. ...
... shingles, herpes, polio, rabies, Ebola, hanta fever, and AIDS. ...
Bacteria And Viruses - American Training School
... 1. They are energy –less. They float around until they come in contact with an appropriate cell. 2. They are basic life forms composed of a protein coat, called a capsid, that surrounds genetic material. 3. Viruses do not have organelles or ribosomes. Certain viruses are futher enclosed by an extern ...
... 1. They are energy –less. They float around until they come in contact with an appropriate cell. 2. They are basic life forms composed of a protein coat, called a capsid, that surrounds genetic material. 3. Viruses do not have organelles or ribosomes. Certain viruses are futher enclosed by an extern ...
DIVERSITY OF LIVING THINGS
... cell wall and reproduce by binary fission. Binary Fission ("division in half") is a kind of asexual reproduction. It is the most common form of reproduction in prokaryotes and occurs in some single-celled eukaryotes. After replicating its genetic material, the cell divides into two nearly equal size ...
... cell wall and reproduce by binary fission. Binary Fission ("division in half") is a kind of asexual reproduction. It is the most common form of reproduction in prokaryotes and occurs in some single-celled eukaryotes. After replicating its genetic material, the cell divides into two nearly equal size ...
Instructions for Animal Virus
... Virus Attack! Spikes, or fibers, protruding from each vertex (corner) of the capsid help the adenovirus attach to its “host” cell, like little grappling hooks (see Step 7, opposite side). The protein at the end of the spike (represented by a yellow ball) specifically connects to a protein receptor o ...
... Virus Attack! Spikes, or fibers, protruding from each vertex (corner) of the capsid help the adenovirus attach to its “host” cell, like little grappling hooks (see Step 7, opposite side). The protein at the end of the spike (represented by a yellow ball) specifically connects to a protein receptor o ...
Viruses - HCC Learning Web
... RNA as Viral Genetic Material • In some viruses with single-stranded RNA (class IV), the genome acts as mRNA and is translated into viral protein immediately after infection. • In others (class V), the RNA genome serves as a template for complementary RNA strands, which function both as mRNA and as ...
... RNA as Viral Genetic Material • In some viruses with single-stranded RNA (class IV), the genome acts as mRNA and is translated into viral protein immediately after infection. • In others (class V), the RNA genome serves as a template for complementary RNA strands, which function both as mRNA and as ...
Chapter 25
... • Enveloped, segmented ssRNA • 2 types of envelope glycoprotein spikes – Hemagglutinin (HA) – binds to host cells – Neuraminidase (NA) – hydrolyzes mucus & assists viral budding & release • Genome constantly changes – Antigenic drift – minor change caused by mutations – Antigenic shift - major alter ...
... • Enveloped, segmented ssRNA • 2 types of envelope glycoprotein spikes – Hemagglutinin (HA) – binds to host cells – Neuraminidase (NA) – hydrolyzes mucus & assists viral budding & release • Genome constantly changes – Antigenic drift – minor change caused by mutations – Antigenic shift - major alter ...
Viruses and Evolution Student Recording Sheet
... b. Another way is by one viral strain jumping from one kind of animal such as a bird to individuals of different species without undergoing any genetic change. If the virus can reproduce and infe ...
... b. Another way is by one viral strain jumping from one kind of animal such as a bird to individuals of different species without undergoing any genetic change. If the virus can reproduce and infe ...
PowerPoint Presentation - Epidemiology and Prevention of
... host metabolic machinery to different extents, to form a pool of components which assemble into particles called virions. F Viruses cannot be grown on sterile media, but require the presence of specific host cells. ...
... host metabolic machinery to different extents, to form a pool of components which assemble into particles called virions. F Viruses cannot be grown on sterile media, but require the presence of specific host cells. ...
viruses
... – ssRNA genomes ready for immediate translation are positive-sense RNA – ssRNA genomes that must be converted into proper form are negative-sense RNA ...
... – ssRNA genomes ready for immediate translation are positive-sense RNA – ssRNA genomes that must be converted into proper form are negative-sense RNA ...
Lecture Outline - Biology Junction
... c. Therefore, viruses evolved after cells came into existence; new viruses are probably evolving now. d. Others suggest that viruses arose before the three domains. Viruses often mutate; therefore, it is correct to say that they evolve. a. Those that mutate are troublesome; a vaccine effective today ...
... c. Therefore, viruses evolved after cells came into existence; new viruses are probably evolving now. d. Others suggest that viruses arose before the three domains. Viruses often mutate; therefore, it is correct to say that they evolve. a. Those that mutate are troublesome; a vaccine effective today ...
Lytic Cycle
... • A certain type of virus that contains RNA instead of DNA. Once in the host, it transcribes its RNA into DNA using an enzyme called reverse transriptase. It then inserts the new DNA into the host’s DNA. Virus uses the cell to make itself. ...
... • A certain type of virus that contains RNA instead of DNA. Once in the host, it transcribes its RNA into DNA using an enzyme called reverse transriptase. It then inserts the new DNA into the host’s DNA. Virus uses the cell to make itself. ...
