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Q:

Which two functional groups are always found in amino acids?

A) Carbonyl and amine B) Ketone and amine
C) Amine and carboxyl D) Aldehyde and amine
 
Answer & Explanation Answer: C) Amine and carboxyl

Explanation:

The two functional groups Amine and carboxyl groups are always found in amino acids.

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Q:

Biological membranes are composed of

A) Phospholipids B) Proteins
C) Carbohydrate groups D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Biological membranes are composed of phospholipids, Proteins and Carbohydrate groups attached to lipids and proteins.

 

Biological_membranes_are_composed_of1559036778.jpg image

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Q:

Which is a homologous chromosome pair?

A) Tetrad B) Gamate
C) Chromatid D) Zygote
 
Answer & Explanation Answer: A) Tetrad

Explanation:

Tetrad is a homologous chromosome pair in the given options. A homologous chromosome pair is a pair of chromosomes one from father and one from mother that has same gene sequence after the process of meiosis.

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Q:

In the names Mangifera indica (mango), Solanum tuberosum (potato) and Panthera leo (lion), the terms Mangifera, Solanum and Panthera represent the higher level of?

A) Taxon B) Taxonomic Hierarchy
C) Specific Epithet D) Binomial Nomenclature
 
Answer & Explanation Answer: A) Taxon

Explanation:
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Q:

Which statement concerning the diagnosis of ADHD is true?

A) Boys are more likely to be diagnosed with ADHD than girls B) Most children "outgrow" symptoms of ADHD
C) About 20 percent of school-age children are diagnosed with ADHD D) Racial minority status is a good predictor of being diagnosed with ADHD
 
Answer & Explanation Answer: A) Boys are more likely to be diagnosed with ADHD than girls

Explanation:
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Q:

What are the building blocks of Nucleic Acids?

A) Pentose Sugar B) DNA
C) RNA D) Nucleotides
 
Answer & Explanation Answer: D) Nucleotides

Explanation:

The building blocks of the nucleic acids are "Nucleotides".

 

Each nucleotide are composed of three parts. They are ::

1.Pentose sugar

2.Nitrogenous bases

3.Phosphoric acid.

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Q:

When does DNA replication happen?

A) S - phase B) M - Phase
C) Prophase D) Anaphase
 
Answer & Explanation Answer: A) S - phase

Explanation:

DNA is replicated during the S-Phase in the interphase of a cell.

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Q:

A man with colour blindness will see red as

A) green B) red
C) orange D) yellow
 
Answer & Explanation Answer: A) green

Explanation:

A man with colour blindness will see red and green as same. 

A_man_with_colour_blindness_will_see_red_as11556517569.jpg image

a_man_with_colour_blindness_will_see_red_as1556517492.jpg image

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