Do eukaryotic cells have restriction endonucleases? -Biology

Do eukaryotic cells have restriction endonucleases? -Biology
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Restriction endonucleases are (a) used for in vitro DNA synthesis (b) used in genetic engineering (c) synthesized by bacteria (d) present in mammalian cells for degradation of DNA.

Description : Restriction endonucleases are (a) used for in vitro DNA synthesis (b) used in genetic engineering (c) synthesized by bacteria (d) present in mammalian cells for degradation of DNA.

Last Answer : (b) used in genetic engineering

Restriction endonucleases (a) are present in mammalian cells for degradation of DNA when the cell dies (b) are used in genetic engineering for ligating two DNA molecules (c) are used for in vitro DNA synthesis (d) are synthesized by bacteria as part of their defense mechanism.

Description : Restriction endonucleases (a) are present in mammalian cells for degradation of DNA when the cell dies (b) are used in genetic engineering for ligating two DNA molecules (c) are used for in vitro DNA synthesis (d) are synthesized by bacteria as part of their defense mechanism.

Last Answer : (d) are synthesized by bacteria as part of their defense mechanism.

The normal function of restriction endonucleases is to (A) Excise introns from hrRNA (B) Polymerize nucleotides to form RNA (C) Remove primer from okazaki fragments (D) Protect bacteria from foreign DNA

Description : The normal function of restriction endonucleases is to (A) Excise introns from hrRNA (B) Polymerize nucleotides to form RNA (C) Remove primer from okazaki fragments (D) Protect bacteria from foreign DNA

Last Answer : Answer : D

In sticky ends produced by restriction endonucleases (A) The 2 strands of DNA are joined to each other (B) The DNA strands stick to the restriction endonuclease (C) The ends of a double stranded fragment are overlapping (D) The ends of a double stranded fragment are non overlapping

Description : In sticky ends produced by restriction endonucleases (A) The 2 strands of DNA are joined to each other (B) The DNA strands stick to the restriction endonuclease (C) The ends of a double stranded fragment are overlapping (D) The ends of a double stranded fragment are non overlapping

Last Answer : Answer : C

All of the following statements about restriction endonucleases are true except: (A) They are present in bacteria (B) They act on double stranded DNA (C) They recognize palindromic sequences (D) They always produce sticky ends

Description : All of the following statements about restriction endonucleases are true except: (A) They are present in bacteria (B) They act on double stranded DNA (C) They recognize palindromic sequences (D) They always produce sticky ends

Last Answer : Answer : D

Restriction endonucleases can recognise (A) Palindromic sequences (B) Chimeric DNA (C) DNA-RNA hybrids (D) Homopolymer sequences

Description : Restriction endonucleases can recognise (A) Palindromic sequences (B) Chimeric DNA (C) DNA-RNA hybrids (D) Homopolymer sequences

Last Answer : Answer : A

Restriction endonucleases split (A) RNA (B) Single stranded DNA (C) Double stranded DNA (D) DNA-RNA hybrids

Description : Restriction endonucleases split (A) RNA (B) Single stranded DNA (C) Double stranded DNA (D) DNA-RNA hybrids

Last Answer : Answer : C

Restriction endonucleases are present in (A) Viruses (B) Bacteria (C) Eukaryotes (D) All of these

Description : Restriction endonucleases are present in (A) Viruses (B) Bacteria (C) Eukaryotes (D) All of these

Last Answer : Answer : B

Restriction endonucleases recognize and cut a certain sequence of (A) Single stranded DNA (B) Double stranded DNA (C) RNA (D) Protein

Description : Restriction endonucleases recognize and cut a certain sequence of (A) Single stranded DNA (B) Double stranded DNA (C) RNA (D) Protein

Last Answer : Answer : B

Restriction endonucleases (A) Cut RNA chains at specific locations (B) Excise introns from hnRNA (C) Remove Okazaki fragments (D) Act as defensive enzymes to protect the host bacterial DNA from DNA of foreign organisms

Description : Restriction endonucleases (A) Cut RNA chains at specific locations (B) Excise introns from hnRNA (C) Remove Okazaki fragments (D) Act as defensive enzymes to protect the host bacterial DNA from DNA of foreign organisms

Last Answer : Answer : D

Restriction endonucleases are enzymes which (a) make cuts at specific positions within the DNA molecule (b) recognize a specific nucleotide sequence for binding of DNA ligase (c) restrict the action of the enzyme DNA polymerase (d) remove nucleotides from the ends of the DNA molecule

Description : Restriction endonucleases are enzymes which (a) make cuts at specific positions within the DNA molecule (b) recognize a specific nucleotide sequence for binding of DNA ligase (c) restrict the action of the enzyme DNA polymerase (d) remove nucleotides from the ends of the DNA molecule

Last Answer : (a) make cuts at specific positions within the DNA molecule

Genetic engineering is possible, because (a) we can cut DNA at specific sites by endonucleases like DNase I (b) restriction endonucleases purified from bacteria can be used in vitro (c) the phenomenon of transduction in bacteria is well understood (d) we can see DNA by electron microscope

Description : Genetic engineering is possible, because (a) we can cut DNA at specific sites by endonucleases like DNase I (b) restriction endonucleases purified from bacteria can be used in vitro (c) the phenomenon of transduction in bacteria is well understood (d) we can see DNA by electron microscope

Last Answer : (b) restriction endonucleases purified from bacteria can be used in vitro

he molecular scissors use3d to cut DNA into specific genes of interest are called (a) Exonucleases (b) Restriction endonucleases (c) Ligases (d) Polymerases

Description : he molecular scissors use3d to cut DNA into specific genes of interest are called (a) Exonucleases (b) Restriction endonucleases (c) Ligases (d) Polymerases

Last Answer : (b) Restriction endonucleases

Without restriction endonucleases, it would be very difficult to a. Force Plasmids into Bacteria. b. Chemically Open Dna Molecules. c. Replicate Dna In A Recombinant Cell. d. Bring About Mutations In Bacteria.

Description : Without restriction endonucleases, it would be very difficult to a. Force Plasmids into Bacteria. b. Chemically Open Dna Molecules. c. Replicate Dna In A Recombinant Cell. d. Bring About Mutations In Bacteria.

Last Answer : b. Chemically Open Dna Molecules.

The DNA fragments produced by the use of restriction endonucleases can be separated by

Description : 4. The DNA fragments produced by the use of restriction endonucleases can be separated by (a) polymerase chain reaction (b) gel electrophoresis (c) density gradient centrifugation (d) any of the above.

Last Answer : gel electrophoresis

Distinguish the ribosomes of prokaryotic cells from that of eukaryotic cells. -Biology

Description : Distinguish the ribosomes of prokaryotic cells from that of eukaryotic cells. -Biology

Last Answer : answer:

The linking of antibiotic resistance gene with the plasmid vector became possible with (a) DNA polymerase (b) exonucleases (c) DNA ligase (d) endonucleases.

Description : The linking of antibiotic resistance gene with the plasmid vector became possible with (a) DNA polymerase (b) exonucleases (c) DNA ligase (d) endonucleases.

Last Answer : (c) DNA ligase

TThe most important mechanism of antiinflammatory action of glucocorticoids is: A. Inhibition of lysosomal enzymes B. Restriction of recruitment of inflammatory cells at the site of inflammation C. Antagonism of action of interleukins D. Suppression of complement function

Description : The most important mechanism of antiinflammatory action of glucocorticoids is: A. Inhibition of lysosomal enzymes B. Restriction of recruitment of inflammatory cells at the site of inflammation C. Antagonism of action of interleukins D. Suppression of complement function

Last Answer : B. Restriction of recruitment of inflammatory cells at the site of inflammation

What is the difference between prokaryotic and eukaryotic cells?

Description : What is the difference between prokaryotic and eukaryotic cells?

Last Answer : Prokaryotic cells are smaller and simpler, lacking a nucleus and membrane-bound organelles. Eukaryotic cells are larger and more complex, containing a nucleus and other membrane-bound organelles.

What is the difference between prokaryotic and eukaryotic cells?

Description : What is the difference between prokaryotic and eukaryotic cells?

Last Answer : A: Prokaryotic cells are smaller and simpler than eukaryotic cells, and lack a nucleus and other membrane-bound organelles found in eukaryotic cells.

What is the difference between prokaryotic and eukaryotic cells?

Description : What is the difference between prokaryotic and eukaryotic cells?

Last Answer : A: Prokaryotic cells do not have a nucleus or other membrane-bound organelles, while eukaryotic cells do.

Which cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? -General Knowledge

Description : Which cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? -General Knowledge

Last Answer : The answer is 'Glyoxysomes'

Which cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? -General Knowledge

Description : Which cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? -General Knowledge

Last Answer : answer:

Which cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? -General Knowledge

Description : Which cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? -General Knowledge

Last Answer : answer:

Which cells undergo cell divisionA. cells do not undergo cell divisionB. prokaryotic cells onlyC. cancer cells onlyD. both prokaryotic and eukaryotic cellsE. None of these answers are correct?

Description : Which cells undergo cell divisionA. cells do not undergo cell divisionB. prokaryotic cells onlyC. cancer cells onlyD. both prokaryotic and eukaryotic cellsE. None of these answers are correct?

Last Answer : Both prokaryotic and eukaryotic

$ Cyanobacterial cells are eukaryotic ! Prokaryotic cells are diploid.

Description : $ Cyanobacterial cells are eukaryotic ! Prokaryotic cells are diploid.

Last Answer : $ Cyanobacterial cells are eukaryotic ! Prokaryotic cells are diploid. A. If both As and R are correct and R ... wrong D. If both As and R are wrong.

Assertion: Cell was discovered by Robert Hooke. Reason: All the cells are eukaryotic.

Description : Assertion: Cell was discovered by Robert Hooke. Reason: All the cells are eukaryotic.

Last Answer : Assertion: Cell was discovered by Robert Hooke. Reason: All the cells are eukaryotic. A. If both As and R ... is wrong D. If both As and R are wrong.

In which stage of the cell cycle are histone proteins synthesised in a eukaryotic cells ?

Description : In which stage of the cell cycle are histone proteins synthesised in a eukaryotic cells ?

Last Answer : In which stage of the cell cycle are histone proteins synthesised in a eukaryotic cells ? A. ... )` -stage of prophase D. During entire prophase

Assertion:- All eukaryotic cells are not identical. Reason:- Centrioles are found in animal cells, absent in almost all plant cell.

Description : Assertion:- All eukaryotic cells are not identical. Reason:- Centrioles are found in animal cells, absent in almost all plant cell.

Last Answer : Assertion:- All eukaryotic cells are not identical. Reason:- Centrioles are found in animal cells, absent ... D. If both Assertion & Reason are false.

Assertion:- All the organelles of eukaryotic cells are surrounded by either single or double membrane. Reason:- In eukaryotic cell none of cell organe

Description : Assertion:- All the organelles of eukaryotic cells are surrounded by either single or double membrane. Reason:- In eukaryotic cell none of cell organe

Last Answer : Assertion:- All the organelles of eukaryotic cells are surrounded by either single or double membrane. ... D. If both Assertion & Reason are false.

What are eukaryotic cells?

Description : What are eukaryotic cells?

Last Answer : What are eukaryotic cells?

Write a note on cell wall in Eukaryotic cells.

Description : Write a note on cell wall in Eukaryotic cells.

Last Answer : Write a note on cell wall in Eukaryotic cells.

Which domain has eukaryotic cells?

Description : Which domain has eukaryotic cells?

Last Answer : Which domain has eukaryotic cells?

In which stage of the cell cycle do eukaryotic cells spend most of their life?

Description : In which stage of the cell cycle do eukaryotic cells spend most of their life?

Last Answer : Need answer

What is the protein syntesis in eukaryotic cells?

Description : What is the protein syntesis in eukaryotic cells?

Last Answer : Need answer

What is the ATP production in eukaryotic cells?

Description : What is the ATP production in eukaryotic cells?

Last Answer : Need answer

What is the function of the chloroplasts in eukaryotic cells?

Description : What is the function of the chloroplasts in eukaryotic cells?

Last Answer : Feel Free to Answer

What are characteristics of prokaryotic cells and eukaryotic cells?

Description : What are characteristics of prokaryotic cells and eukaryotic cells?

Last Answer : they are both the same

What is The process that takes place inside all eukaryotic cells (both plants and animals) that breaks down sugars to produce energy in the form of ATP?

Description : What is The process that takes place inside all eukaryotic cells (both plants and animals) that breaks down sugars to produce energy in the form of ATP?

Last Answer : Need answer

In eukaryotic cells the mRNA is processed and migrates from the to the .?

Description : In eukaryotic cells the mRNA is processed and migrates from the to the .?

Last Answer : Need answer

What are characteristics of prokaryotic cells and eukaryotic cells?

Description : What are characteristics of prokaryotic cells and eukaryotic cells?

Last Answer : they are both the same

Which characteristics best describes all eukaryotic cells?

Description : Which characteristics best describes all eukaryotic cells?

Last Answer : they have nuclei with DNA

In eukaryotic cells (A) Formylated tRNA is important for initiation of translation (B) Cyclohexamide blocks elongation during translation (C) Cytosolic ribosomes are smaller than those found in prokaryotes (D) Erythromycin inhibits elongation during translation

Description : In eukaryotic cells (A) Formylated tRNA is important for initiation of translation (B) Cyclohexamide blocks elongation during translation (C) Cytosolic ribosomes are smaller than those found in prokaryotes (D) Erythromycin inhibits elongation during translation

Last Answer : Answer : B

Which cell organelle is found in both prokaryotic and eukaryotic cells?

Description : Which cell organelle is found in both prokaryotic and eukaryotic cells?

Last Answer : Ans. Ribosome

Do all eukaryotic cells have nucleus and only one nucleus ?

Description : Do all eukaryotic cells have nucleus and only one nucleus ?

Last Answer : There are eukaryotic cells without nucleus and others with more than one nucleus. Osteoclasts, the cells responsible for resorption of the osseous matrix, for example, are multinucleate cells; ... cells. Cell Nucleus Review - Image Diversity: cell nucleus miltinucleate cells enucleated cells

Which are the cell organelles that participate in the cell division and in the formation of cillia and flagella of some eukaryotic cells ?

Description : Which are the cell organelles that participate in the cell division and in the formation of cillia and flagella of some eukaryotic cells ?

Last Answer : The organelles that participate in the cell division and in the formation of cilia and flagella of some eukaryotic cells are the centrioles. Some cells have cillia (paramecium, the bronchial ciliated ... are very important for cell division. Cell Structure Review - Image Diversity: centrioles

Which of the following cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? (1) Mitochondria (2) Golgi bodies (3) Lysosomes (4) Glyoxysomes

Description : Which of the following cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? (1) Mitochondria (2) Golgi bodies (3) Lysosomes (4) Glyoxysomes

Last Answer : (1) Mitochondria Explanation: Mitochondria are semiautonomous organelles that likely began as freestanding prokaryotes that invaded eukaryotic cells more than a billion years ago. A symbiotic ... lost the capacity for independent existence but became indispensible to the eukaryotic cells.

Plasma membrane in eukaryotic cells is made up of - (1) Phospholipid (2) Lipoprotein (3) Phospholipo-protein (4) Phospho-protein

Description : Plasma membrane in eukaryotic cells is made up of - (1) Phospholipid (2) Lipoprotein (3) Phospholipo-protein (4) Phospho-protein

Last Answer : (1) Phospholipid Explanation: The cell membrane or plasma membrane is a biological membrane that separates the interior of all cells from the outside environment. The cell membrane is selectively permeable ... . The basic function of the cell membrane is to protect the cell from its surroundings.

Plasmid has been used as vector because (a) it is circular DNA which have capacity to join to eukaryotic DNA (b) it can move between prokaryotic and eukaryotic cells (c) both ends show replication (d) it has antibiotic resistance gene.

Description : Plasmid has been used as vector because (a) it is circular DNA which have capacity to join to eukaryotic DNA (b) it can move between prokaryotic and eukaryotic cells (c) both ends show replication (d) it has antibiotic resistance gene.

Last Answer : (a) it is circular DNA which have capacity to join to eukaryotic DNA

Cellular totipotency is demonstrated by (a) only gymnosperm cells (b) all plant cells (c) all eukaryotic cells (d) only bacterial cells.

Description : Cellular totipotency is demonstrated by (a) only gymnosperm cells (b) all plant cells (c) all eukaryotic cells (d) only bacterial cells.

Last Answer : (b) all plant cells