How are viroids different from viruses? -Biology

1 Answer

Answer :

answer:

Related questions

Description : Select the wrong statement. (a) The term ‘contagium vivum fluidum’ was coined by M. W. Beijerinck. (b) Mosaic disease in tobacco and AIDS in human being are caused by viruses. (c) The viroids were discovered by D.J. Ivanowsky. (d) W.M. Stanley showed that viruses could be crystallised.

Last Answer : (c) The viroids were discovered by D.J. Ivanowsky

Description : Which of the following statements is wrong for viroids? (a) They cause infections. (b) Their RNA is of high molecular weight. (c) They lack a protein coat. (d) They are smaller than viruses

Last Answer : (b) Their RNA is of high molecular weight.

Description : .Viroids differ from viruses in having (a) DNA molecules without protein coat (b) RNA molecules with protein coat (c) RNA molecules without protein coat (d) DNA molecules with protein coat

Last Answer : (c) RNA molecules without protein coat

Description : Which of the following statements is incorrect? (a) Prions consist of abnormally folded proteins. (b) Viroids lack a protein coat. (c) Viruses are obligate parasites. (d) Infective constituent in viruses is the protein coat.

Last Answer : (d) Infective constituent in viruses is the protein coat.

Description : Attenuated viruses are those that _____. a. can be used to treat viral disease. b. give rise to viroids and prions. c. multiply in cells but at a low rate. d. have been treated with chemicals such as formaldehyde.

Last Answer : c. multiply in cells but at a low rate.

Description : Viroids differ from viruses in having; (1) DNA molecules without protein coat (2) RNA molecules with protein coat (3) RNA molecules without protein coat (4) DNA molecules with protein coat

Last Answer : (3) RNA molecules without protein coat

Description : What is the genetic material in viroids?

Last Answer : What is the genetic material in viroids?

Description : Who discovered viroids?

Last Answer : Who discovered viroids?

Description : Write a short note on viroids.

Last Answer : Write a short note on viroids.

Description : .Which one of the following pairs is wrongly matched? (a) Ginkgo – Archegonia (b) Salvinia – Prothallus (c) Viroids – RNA (d) Mustard – Synergids

Last Answer : (b) Salvinia – Prothallus

Description : .Which of the following is correct about viroids? (a) They have RNA with protein coat. (b) They have free RNA without protein coat. (c) They have DNA with protein coat. (d) They have free DNA without protein coa

Last Answer : (b) They have free RNA without protein coat.

Description : _____ are infectious RNA particles a. Viroids b. Prions c. Virions d. A-C are correct

Last Answer : a. Viroids

Description : Viroids and prions differ in that viroids are believed to contain only ______, while prions are believed to contain only _______. a. carbohydrate; amino acids b. nucleic acid; protein c. amino acids; carbohydrate d. protein; nucleic acid

Last Answer : b. nucleic acid; protein

Description : Viroids contain a. RNA and DNA. b. Only RNA. c. DNA and a capsid. d. RNA and an envelope.

Last Answer : b. Only RNA.

Description : List the different types of computer viruses. -Technology

Last Answer : 1. File system viruses2. Boot sector viruses3. Macro viruses

Description : How are viruses different from bacteria?

Last Answer : Bacteria:Single-celledCan exist outside of a hostVirus:Not a cellCannot exist outside of a host for long

Description : How are viruses different from bacteria Apex?

Last Answer : Viruses cannot survive outside a host. -apex

Description : Viruses can undergo mutation. What does it mean? -Biology

Last Answer : answer:

Description : Viruses can be crystallized. What does it mean? -Biology

Last Answer : answer:

Description : What are the main symmetries of viruses? -Biology

Last Answer : answer:

Description : What are enveloped viruses? -Biology

Last Answer : answer:

Description : Name some plant diseases caused by viruses? -Biology

Last Answer : Information TOBACCO MOSAIC VIRUS (TMV) TOMATO SPOTTED WILT VIRUS (TSWV) TOMATO YELLOW LEAF CURL VIRUS (TYLCV) CUCUMBER MOSAIC VIRUS (CMV) POTATO VIRUS Y (PVY) CAULIFLOWER MOSAIC VIRUS (CaMV) AFRICAN CASSAVA MOSAIC VIRUS (ACMV) PLUM POX VIRUS (PPV)

Description : Name some animal diseases caused by viruses? -Biology

Last Answer : Foot-and-Mouth Disease. FMD is probably one of the most feared diseases of farm animals. ... Influenza. ... Rinderpest. ... Classical Swine Fever. ... African Swine Fever

Description : Name some human diseases caused by viruses? -Biology

Last Answer : Viruses are microscopic organisms that exist almost everywhere on earth. They can infect animals, plants, fungi, and even bacteria. Sometimes a virus can cause a disease so deadly that it is fatal. Other ... pox, and shingles. hepatitis. herpes and cold sores. polio. rabies. Ebola and Hanta fever.

Description : What are oncogenic viruses? -Biology

Last Answer : Oncogenic viruses. Cancer, cause uncontrolled cell growth. immortalization or transformation of cells.

Description : What are the significances of viruses? -Biology

Last Answer : Viruses are important microbial predators that influence global biogeochemical cycles and drive microbial evolution, although their impact is often under appreciated. Viruses reproduce after attaching and transferring their genetic material into a host cell

Description : How do viruses multiply? -Biology

Last Answer : To identify the correct host, viruses have evolved receptors on their surfaces that match up with those of their ideal target cell, letting the virus get its genetic material inside and hijack its host's cellular machinery to help it reproduce by multiplying the virus' genetic material and proteins

Description : How do viruses differ from bacteria? -Biology

Last Answer : On a biological level, the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive.

Description : What are the general characteristics of viruses? -Biology

Last Answer : answer:

Description : How are viruses spread? -Biology

Last Answer : answer:

Description : Examples of viruses that go through lysogenic cycles. -Biology

Last Answer : answer:

Description : Why are viruses called obligate intracellular parasites? -Biology

Last Answer : answer:

Description : Living and nonliving characteristics of viruses. -Biology

Last Answer : answer:

Description : Living and nonliving characteristics of viruses. -Biology

Last Answer : answer:

Description : What are the characteristics of viruses? -Biology

Last Answer : answer:

Description : What is the structure of viruses? -Biology

Last Answer : answer:

Description : What are Tobacco Mosaic viruses? -Biology

Last Answer : answer:

Description : What is the structure of viruses? -Biology

Last Answer : answer:

Description : What are the characteristics of viruses? -Biology

Last Answer : answer:

Description : What are Tobacco Mosaic viruses? -Biology

Last Answer : answer: