Q:

Which one of the following is true of tRNAs?

A) tRNAs are double-stranded.	B) There are four types of tRNA.
C) Each tRNA binds a particular amino acid.	D) All of the above

Answer & Explanation Answer: C) Each tRNA binds a particular amino acid.

Explanation:

tRNA abbreviated as A transfer RNA is an adaptor molecule composed of RNA, typically 76 to 90 nucleotides in length, that serves as the physical link between the mRNA and the amino acid sequence of proteins.

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Q:

Cognitive neuroscientists can examine the brain with

A) PET & MRI	B) Gama images & electrolysis
C) electrolysis & PET	D) MRI & electrolysis

Answer & Explanation Answer: A) PET & MRI

Explanation:

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Q:

Plants developing in dry conditions are

A) lithophytes	B) hydrophytes
C) mesophytes	D) xerophytes

Answer & Explanation Answer: D) xerophytes

Explanation:

Plants developing in dry conditions are called as xerophytes.

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Q:

The most abundant gas in the atmosphere is

A) Nitrogen	B) Argon
C) Oxygen	D) Helium

Answer & Explanation Answer: A) Nitrogen

Explanation:

The atmosphere is a mixture of several gases. Nitrogen is the most abundant gas in the atmoshere and oxygen is next to it. It is 78% in the atmosphere and 21% is oxygen. Remaining 1% is all other gases like argon, hydrogen, neon, etc...

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Q:

Which of the following is an interjection?

A) Alas	B) Yikes
C) Oh	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

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Q:

Which event occurs during interphase?

A) Centrioles appear	B) Spindle fibers begin to form
C) The cell grows	D) Centromeres divide

Answer & Explanation Answer: C) The cell grows

Explanation:

The cell carries out the metabolic processes and it grows during interphase.

The cell cycle has three phases that must occur before mitosis, or cell division happens. These three phases are collectively known as interphase. They are G1, S, and G2.

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Q:

The headquarters of the International Court of Justice is at

A) Geneva	B) The Hague
C) Rome	D) Vienna

Answer & Explanation Answer: B) The Hague

Explanation:

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Q:

Steel tycoo Laksmi Mittal has acquired minority stakes in which Indian financial service company?

A) Anand Rathi Financial Services	B) Indiabulls Credit Services
C) Farallon Capital	D) Kothari Pioneer

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