5
Q:

What are the three parts of the Nucleotide? 

Answer:



Q:

Succus Entericus is secreted by

A) Auerbach's plexus B) Peyers patches.
C) Brunner's glands D) Crypts of Lieberkuhn
 
Answer & Explanation Answer: D) Crypts of Lieberkuhn

Explanation:

Succus Entericus is the alkaline secretion produced by glands in the wall of the duodenum, consisting of water, mucoproteins, and hydrogencarbonate ions.

 

Succus Entericus is secreted by Crypts of Lieberkuhn.

 

It helps to counteract the highly acidic and proteolytic chyme entering the small intestine from the stomach, and thus protects the duodenum from damage.

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0 36
Q:

Where does digestion of protein begin?

A) Mouth B) Pharynx
C) Stomach D) Liver
 
Answer & Explanation Answer: C) Stomach

Explanation:

Three main enzymes, pepsin secreted by the stomach and trypsin and chymotrypsin secreted by the pancreas, break down food proteins into polypeptides that are then broken down by various exopeptidases and dipeptidases into amino acids.

 

Hence, digestion of protein begin in stomach.

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1 39
Q:

Where is excess glucose stored?

A) Blood B) Liver
C) Heart D) Kidneys
 
Answer & Explanation Answer: B) Liver

Explanation:

Glucose is essential for energy in all the living organisms. When we have more glucose than needs in our bloodstream, then the excess glucose is stored as large compounds as Glycogen. This glycogen fills the cells of the liver and available for any quick shots of energy.

 

Hence, Liver is called as warehouse for the excess glucose.

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2 21
Q:

In recombinant DNA methods, the term vector can refer to

A) the sticky end of a DNA fragment B) a plasmid used to transfer DNA into a living cell
C) a DNA probe used to identify a particular gene D) the enzyme that cuts DNA into restriction fragments
 
Answer & Explanation Answer: B) a plasmid used to transfer DNA into a living cell

Explanation:

The term 'Vector' in recombinant DNA methods, refers to a plasmid or other agent used to transfer DNA into a living cell.

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0 79
Q:

Drugs that combat depression work by

Answer

Antidepressants work by stopping the breakdown of norepinephrine, dopamine, and serotonin. They're more difficult for people to take than most other antidepressants because they interact with prescription drugs, nonprescription drugs, and some foods.


 

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1 123
Q:

The process of copying dna is called

A) Copying B) Replication
C) Repulsion D) Replying
 
Answer & Explanation Answer: B) Replication

Explanation:

The process of copying dna is called Replication.

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0 117
Q:

Example of a single celled organism

A) Algae B) Amaeba
C) Paramaecium D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Single selled organisms are also known as Unicellular organisms in which they have only one cell.

Examples are :: Fungi, Algae, Amaeba, Paramaecium,...

 

Hence, all the above given options are single selled organisms.

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1 87
Q:

Major fructose sources include

A) Fruit juices B) Corn syrup
C) Honey D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Major fructose sources include all fruits and honey.

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0 208