Q:

Which activity is accomplished using the genetic code?

A) mutation	B) DNA can be made into mRNA
C) DNA formation	D) None of the above

Answer & Explanation Answer: B) DNA can be made into mRNA

Explanation:

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Q:

Which equation is an example of a synthesis reaction?

A) 2H2 + O2 → 2H2O	B) Na + Cl → NaCl
C) HA + BOH → H2O + BA	D) NaCl + AgNO3 → NaNO3 + AgCl

Answer & Explanation Answer: B) Na + Cl → NaCl

Explanation:

When two or more chemical species combine to form a single product, the reaction is said to be synthesis reaction. It is also called as Direct Combination reaction.

Here in the given options, Sodium (Na) combines with Chlorine (Cl) to form a more complex single product Sodium Chloride (NaCl).

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Q:

How long is your TABC certification valid?

A) 1 year	B) 2 years
C) 4 years	D) 6 months

Answer & Explanation Answer: B) 2 years

Explanation:

TABC stands for Texas Alcoholic Beverage Commission. The Texas Alcoholic Beverage Commission regulates the sales, taxation, production, trade, and advertising of alcoholic beverages in Texas. Alcohol Seller/server Training regulated by this regulatory body is also called TABC Certification. It makes the rules the rest of us have to follow, and if you want to get a job serving alcohol in Texas, getting TABC certified is your first step.

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Q:

The impression of an image persists on the retina for about _________ of a second.

A) 1/10th	B) 1/8th
C) 1/16th	D) 1/5th

Answer & Explanation Answer: C) 1/16th

Explanation:

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Filed Under: Physics
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Q:

Which of these is an example of negative feedback?

A) After you eat, insulin stimulates the lowering of blood sugar levels.	B) Once labor begins, contractions increase in frequency and intensity.
C) After you eat, glucagon stimulates an increase in blood sugar levels.	D) As a blood clot begins to form, the process of its formation gets faster and faster.

Answer & Explanation Answer: A) After you eat, insulin stimulates the lowering of blood sugar levels.

Explanation:

Eating raises blood sugar levels, insulin stimulates the lowering of blood sugar level. In this example the response to the stimulus (increased blood sugar levels) opposes that stimulus (by lowering blood sugar levels).

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Q:

Gestalt psychology attempted to discover

A) the overall patterns of perceptions and thoughts	B) the unconscious motivations for human functioning
C) how the mind helped people adapt to the world	D) the basic building blocks of consciousness

Answer & Explanation Answer: A) the overall patterns of perceptions and thoughts

Explanation:

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Q:

On election day, voters for President are really voting for

A) Electors	B) President
C) The speaker of the House	D) Both B & C

Answer & Explanation Answer: A) Electors

Explanation:

On election day, voters for The President are really voting for the electors who can elect President.

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Q:

Which among the following is/are female hormones?
(i) Estrogen
(ii) Progesterone
(iii) Testosterone

A) (i) and (iii)	B) (i) and (ii)
C) (ii) and (iii)	D) Only (iii)

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