Most scientists do not consider viruses to be “alive” because a) they have no genes b)...
Homework Answers
(C) Most of the scientists do not consider viruses to be alive because they are unable to reproduce of there own .
Instead of reproducing on there own they use their host cellular mechanism to reproduce themselves . And in this process they make there host sick .
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Most scientists do not consider viruses to be “alive” because
a) they have no genes
b)...
im not sure how to answer this question, would i just circle everything thats true because...
im not sure how to answer this question, would i just circle
everything thats true because all of them except 1 are true, "all
of the above" doesnt apply, assuming that the "viruses can
reproduce provided they have a host cell" is not true
28. Select all of the facts that support the concept that viruses are nonliving agents. a. Viruses are not able to reproduce outside of a host cell. True b. Viruses are unable carry out metabolic processes...
Question 1 1 pts Which of the following is true? Viruses cannot evolve because they are...
Question 1 1 pts Which of the following is true? Viruses cannot evolve because they are not technically alive; they cannot replicate on their own When viruses hijack a host's cells to replicate, mistakes made in the copying of their DNA or RNA can generate a huge number of genetic variants in the virus population A mutation in the molecules involved in binding to a host cell that allows binding to a new host species will not affect the virus's...
I need the answer to this asap e Cells have acids DNA and RNA, and viruses...
I need the answer to this asap
e Cells have acids DNA and RNA, and viruses have either DNA or RNA D Viruses require a host to reproduce, and cell reproduce independently 6 Which of these observation is most likely a result of the regulation of gene expression? A A child born with blue eyes whose parents both have brown eyes The development of spoken and written language skills by children as they Imitate the skills shown by others B...
BIO 202 QUIZ #1 1. Viruses are A Small infectious particles B. A simple structure. C....
BIO 202 QUIZ #1 1. Viruses are A Small infectious particles B. A simple structure. C. The core of either RNA or DNA. D. A variety of shapes: brick-like, helical, or polyhedral E. All of the above. 2. A typical virus has the following anatomical feature(s): A. Protein coat known as a capsomere. B. Core of either DNA or RNA. C. Capsomeres that constructed from protein subunits or capsids. D. Both A and C E. All of the above. 3....
33. Which of the following statement is false: a) most mutations are corrected b) scientists are...
33. Which of the following statement is false: a) most mutations are corrected b) scientists are concerned when changes go undetected by repair mechanisms c) apoptosis is an abnormal process d) neoplasma is not synonymous with cancer 34. Any substance that can induce a heritable change of the genotype in a cell as a consequence of alterations or loss of genes or chromosones can be referred to as a: a) Mutagen b) Genotoxic Carcinogen c) Protoncogene d) Metabolite 31. The...
Choose the true statement about housekeeping genes in Escherichia coli. Housekeeping genes are constitutively expressed. A...
Choose the true statement about housekeeping genes in Escherichia coli. Housekeeping genes are constitutively expressed. A housekeeping gene's expression should stop when the cell is placed in a different environment. Most of E. coli's genome encodes housekeeping genes. Examples of housekeeping genes in E. coli include antibiotic resistance genes and lactose catabolism genes. Choose the frameshift mutation that is the riskiest for a prokaryotic cell. A deletion of three DNA nucleotides from the DNA template strand A deletion of one...
1)One turn of the Calvin cycle fixes a molecule of CO2 gas and is driven by...
1)One turn of the Calvin cycle fixes a molecule of CO2 gas and is driven by 3 molecules of ATP and 2 molecules of NADPH from the light reactions. Which of the following is true? Select one: a. It takes 6 turns of the cycle, 18 molecules of ATP, and 12 molecules of NADPH to make a glucose molecule. b. The cycle is exergonic. c. It takes 3 turns of the cycle, 9 molecules of ATP, and 6 molecules of...
1) The simple microscopes used by the earliest practitioners of microscopy contained which of the following?...
1) The simple microscopes used by the earliest practitioners of microscopy contained which of the following? Select one: a. Magnifying lens b. Oil-immersion lens c. Condenser d. Ocular e. Lamp 2) A group of protozoa that are not motile are the ______. Select one: a. amoebas b. ciliates c. trophozoites d. Plasmodium sp. e. dimorphics 3) One technique for staining bacteria for viewing under the microscope is called the Gram stain. In this technique, alcohol is used as a decolorizer...
1. Viruses are a. cells containing DNA and protein. b. larger than most bacteria. c. acellular....
1. Viruses are a. cells containing DNA and protein. b. larger than most bacteria. c. acellular. d. able to take in nutrients and expel wastes. e. mutated forms of DNA. 2. Beginning with a single bacterium, how many cells would be present after 4 hours of growth if they can double every 20 minutes? a. 12 b. 24 c. 64 d. 4,096 e. 34,217,728 3. The genetic information of viruses can be a. DNA. b. RNA. c. single-stranded. d. double-stranded....
Which of the following features of dna organization do eukaryotes and bacteria have in common (select...
Which of the following features of dna organization do eukaryotes and bacteria have in common (select all that apply)? a.) DNA breakage in one loop will not affect DNA in other loops b.) DNA is found within a 30nm filament c.) DNA is associated with basic proteins d.) Under electron microscope, DNA will have a beads-on-a-string appearance e.) a change of supercoiling in a cleaved loop would not affect other loops
im not sure how to answer this question, would i just circle
everything thats true because all of them except 1 are true, "all
of the above" doesnt apply, assuming that the "viruses can
reproduce provided they have a host cell" is not true
28. Select all of the facts that support the concept that viruses are nonliving agents. a. Viruses are not able to reproduce outside of a host cell. True b. Viruses are unable carry out metabolic processes...
Question 1 1 pts Which of the following is true? Viruses cannot evolve because they are not technically alive; they cannot replicate on their own When viruses hijack a host's cells to replicate, mistakes made in the copying of their DNA or RNA can generate a huge number of genetic variants in the virus population A mutation in the molecules involved in binding to a host cell that allows binding to a new host species will not affect the virus's...
I need the answer to this asap
e Cells have acids DNA and RNA, and viruses have either DNA or RNA D Viruses require a host to reproduce, and cell reproduce independently 6 Which of these observation is most likely a result of the regulation of gene expression? A A child born with blue eyes whose parents both have brown eyes The development of spoken and written language skills by children as they Imitate the skills shown by others B...
BIO 202 QUIZ #1 1. Viruses are A Small infectious particles B. A simple structure. C. The core of either RNA or DNA. D. A variety of shapes: brick-like, helical, or polyhedral E. All of the above. 2. A typical virus has the following anatomical feature(s): A. Protein coat known as a capsomere. B. Core of either DNA or RNA. C. Capsomeres that constructed from protein subunits or capsids. D. Both A and C E. All of the above. 3....
33. Which of the following statement is false: a) most mutations are corrected b) scientists are concerned when changes go undetected by repair mechanisms c) apoptosis is an abnormal process d) neoplasma is not synonymous with cancer 34. Any substance that can induce a heritable change of the genotype in a cell as a consequence of alterations or loss of genes or chromosones can be referred to as a: a) Mutagen b) Genotoxic Carcinogen c) Protoncogene d) Metabolite 31. The...
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