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Q:

In a plant cell, DNA may be found in

A) only in the nucleus and mitochondria. B) only in the nucleus and chloroplasts
C) in the nucleus, mitochondria, and chloroplasts. D) only in the nucleus.
 
Answer & Explanation Answer: C) in the nucleus, mitochondria, and chloroplasts.

Explanation:

All of the genetic information in a cell was initially thought to be confined to the DNA in the chromosomes of the cell nucleus.

It is now known that small circular chromosomes, called extranuclear, or cytoplasmic, DNA, are located in two types of organelles found in the cytoplasm of the cell.

These organelles are the mitochondria in animal and plant cells and the chloroplasts in plant cells.

Chloroplast DNA (cpDNA) contains genes that are involved with aspects of photosynthesis and with components of the special protein-synthesizing apparatus that is active within the organelle.

Mitochondrial DNA (mtDNA) contains some of the genes that participate in the conversion of the energy of chemical bonds into the energy currency of the cell—a chemical called adenosine triphosphate (ATP)—as well as genes for mitochondrial protein synthesis.

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

6 2178
Q:

Is the data bus in Bi-directional?

Answer

The data bus is Bi-directional because the same bus is used for transfer of data between Micro Processor and momory of input / output devices in both the direction.

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Subject: Hardware

1 2177
Q:

Explain Given the following SQL statement: GRANT REFERENCES ON TABLE tab1 TO USER usera.Which of the following describes what USERA is allowed to do?

A) Create a read?only view using TAB1. B) Alter TAB1 to add a check constraint.
C) Define a primary key or unique constraint on TAB1. D) Define a dependent table where TAB1 is the parent.
 
Answer & Explanation Answer: D) Define a dependent table where TAB1 is the parent.

Explanation:
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Filed Under: IBM Certification

1 2177
Q:

What are three characteristics of the agricultural revolution?

A) Farmers learned to control water through wells and canals B) New tools made it possible for more crops to be grown
C) Crop rotation was invented, making it harder on soil D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:
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Filed Under: Indian History
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

6 2176
Q:

Who of the following is not a recepient of 2011 Nobel Peace prize

A) Hu Jintao B) Leymah Gbowee
C) Ellen Johnson Sirleaf D) Tawakkol Karman
 
Answer & Explanation Answer: A) Hu Jintao

Explanation:
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Filed Under: Honours and Awards

0 2174
Q:

Estate Duty was introducded in ________

Answer

Estate Duty which was introduced in 1953, was withdrawn from March 1, 1985.

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Subject: General Awareness

2 2174
Q:

Which of the following terms is used to describe as computer  Malware ?

A) Spartan B) Persian
C) Roman D) Trojan
 
Answer & Explanation Answer: D) Trojan

Explanation:
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Filed Under: General Awareness

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Q:

The Film which won the Best Picture Award at the IIFA Award 2014?

Answer

Bhaag Milkha Bhaag

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Subject: General Awareness

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