Which is regarded as a link between the living and the non-living? (a) Amoeba (b) Virus (c) Bacteria (d) RNA

Which is regarded as a link between the living and the non-living? (a) Amoeba (b) Virus (c) Bacteria (d) RNA
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Description : What are the non-living characteristics of virus? -Biology

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Description : Assertion: The genetic material in Tobacco mosaic virus in RNA. Reason: RNA is a type of nucleic acid.

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Description : Human immuno deficiency virus (HIV) has a protein coat and a genetic material which is (a) double stranded RNA (b) double stranded DNA (c) single stranded DNA (d) single stranded RNA

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The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes and inhibit bacterial protein synthesis (c) They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes ... peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : Ans: B

Which of the following is true? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

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Last Answer : (1) DNA is the genetic material in most of the organism Explanation: Deoxyribonucleic acid (DNA) molecules are informational molecules encoding the genetic instructions used in the development and functioning of all ... letters. G, A, T, and C. DNA is well-suited for biological information storage.

What is true about viruses without exception? (1) They contain a core of RNA (2) They can infect bacteria (3) They cannot produce antibodies (4) They can multiply only in host cells

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Production of a human protein in bacteria by genetic engineering is possible because (a) the human chromosome can replicate in bacterial cell (b) the mechanism of gene regulation is identical in humans and bacteria (c) bacterial cell can carry out the RNA splicing reactions (d) the genetic code is universal.

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Last Answer : (d) the genetic code is universal.

Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria? (a) 5S rRNA (b) 18S rRNA (c) 23S rRNA (d) 5.8S rRNA

Description : Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria? (a) 5S rRNA (b) 18S rRNA (c) 23S rRNA (d) 5.8S rRNA

Last Answer : (a) 5S rRNA

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.

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.

Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria? (a) 5S rRNA (b) 18S rRNA (c) 23S rRNA (d) 5.8S rRNA

Description : Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria? (a) 5S rRNA (b) 18S rRNA (c) 23S rRNA (d) 5.8S rRNA

Last Answer : (c) 23S rRNA

The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes and inhibit bacterial protein synthesis C. They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes ... peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : B. They bind to 30S ribosomes and inhibit bacterial protein synthesis

What is true about viruses without exception? (1) They contain a core of RNA (2) They can infect bacteria (3) They cannot produce antibodies (4) They can multiply only in host cells

Description : What is true about viruses without exception? (1) They contain a core of RNA (2) They can infect bacteria (3) They cannot produce antibodies (4) They can multiply only in host cells 

Last Answer : They can multiply only in host cells

Which of the following is true ? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Description : Which of the following is true ? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Last Answer : DNA is the genetic material in most of the organism

The only molecule in the living world that can replicate itself is (a) DNA (b) RNA (c) Both DNA and RNA (d) Neither DNA nor RNA

Description : The only molecule in the living world that can replicate itself is (a) DNA (b) RNA (c) Both DNA and RNA (d) Neither DNA nor RNA

Last Answer : Ans:(a)

Describe the process of nutrition in Draw labelled diagrams to show the various steps in the nutrition in Amoeba. -Science

Description : Describe the process of nutrition in Draw labelled diagrams to show the various steps in the nutrition in Amoeba. -Science

Last Answer : Nutrition in amoeba: Nutrition in amoeba involves the following steps (i) Ingestion ? Amoeba has no mouth for ingestion of food. It ingests the food by using its pseudopodia. The food is engulfed ... cell and the cell membrane ruptures. Through this, the undigested food is thrown out of the body.

From which part of the body, undigested food is egested in Amoeba ? -Science

Description : From which part of the body, undigested food is egested in Amoeba ? -Science

Last Answer : Amoeba has no fixed place for egestion. The undigested food gets collected inside amoeba, then its cell membrane suddenly ruptures and the undigested food is thrown out of the body of amoeba.

How does Amoeba engulf the food particle ? -Science

Description : How does Amoeba engulf the food particle ? -Science

Last Answer : Amoeba engulfs the food particles with the help of finger like projections called pseudopodia.

What is the locomotor organ of Amoeba?

Description : What is the locomotor organ of Amoeba?

Last Answer : Pseudopodia

Identify the correct molecule which controls the biosynthesis of proteins in living organisms. (A) DNA (B) RNA (C) Purines (D) Pyrimidines

Description : Identify the correct molecule which controls the biosynthesis of proteins in living organisms. (A) DNA (B) RNA (C) Purines (D) Pyrimidines

Last Answer : Answer : A

Retroviruses are so-named because their reverse transcriptase _____. a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA. b. reverses the normal multiplication of cells from a low rate to a high rate. c. reverses the ability of viruses to associate with cells. d. reverses the action of drugs on viruses and allows them to continue multiplying in living cells.

Description : Retroviruses are so-named because their reverse transcriptase _____. a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA. b. reverses the normal ... the action of drugs on viruses and allows them to continue multiplying in living cells.

Last Answer : a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA.

What is the mode of nutrition in Amoeba known as ? -SST 10th

Description : What is the mode of nutrition in Amoeba known as ? -SST 10th

Last Answer : The mode of nutrition in Amoeba is Holozoic.

(a) Draw a diagram to show the nutrition in Amoeba and label the parts used for this purpose. Mention any other purpose served by this part other than nutrition. (b) Name the glands associated with digestion of starch in human digestive tract and mention their role. (c) How is required pH maintained in the stomach and small intestine? -Biology

Description : (a) Draw a diagram to show the nutrition in Amoeba and label the parts used for this purpose. Mention any other purpose served by this part other than nutrition. (b) Name the glands associated ... mention their role. (c) How is required pH maintained in the stomach and small intestine? -Biology

Last Answer : Answer.(a) Pseudopodia serves the purpose of locomotion apart from nutrition. (b) The salivary gland is associated with digestion of starch in human digestive tract. It secretes saliva which contains ... juice from liver makes the food alkaline in small intestine for the pancreatic enzymes to act.

Explain the process of nutrition in Amoeba. -Biology

Description : Explain the process of nutrition in Amoeba. -Biology

Last Answer : Amoeba is an important protozoa found in fresh water. It feeds on microscopic plants and animals present in water. The mode of nutrition in amoeba is Holozoic. And the process of obtaining food ... rupturing cell membrane. The process of removal of undigested food from the body is called egestion.

Amoeba is an example of (a) Embedded OS (b) Distributed OS (c) Multi_User OS (d) Batch Processing OS -Technology

Description : Amoeba is an example of (a) Embedded OS (b) Distributed OS (c) Multi_User OS (d) Batch Processing OS -Technology

Last Answer : (b) Amoeba is an example of Distributed OS.

Inherent characteristics of amoeba and yeast that enable them to reproduce asexually? -Biology

Description : Inherent characteristics of amoeba and yeast that enable them to reproduce asexually? -Biology

Last Answer : answer:

Inherent characteristics of amoeba and yeast that enable them to reproduce asexually? -Biology

Description : Inherent characteristics of amoeba and yeast that enable them to reproduce asexually? -Biology

Last Answer : answer:

How many rocks (cells) are there in amoeba? -General Knowledge

Description : How many rocks (cells) are there in amoeba? -General Knowledge

Last Answer : Like bacteria, amoebas have just one cell. But there the similarity ends.

How many rocks (cells) are there in amoeba? -General Knowledge

Description : How many rocks (cells) are there in amoeba? -General Knowledge

Last Answer : Like bacteria, amoebas have just one cell. But there the similarity ends.

How many rocks (cells) are there in amoeba? -General Knowledge

Description : How many rocks (cells) are there in amoeba? -General Knowledge

Last Answer : Like bacteria, amoebas have just one cell.