Which of the statements regarding nucleosides is correct?

Correct! Wrong!

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A nitrogenous base is linked to the pentose sugar through a N-glycosidic linkage to form a nucleoside is the correct statement.

DNA which is present above the secondary constriction is called____.

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Repeated sequences of DNA which is present above the secondary constriction is called the satellite DNA.

Disc like stuctures which are present on the side of the centromeres are called ____.

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Disc like structures which are present on the side of the centromeres are called kinetochores.

____ holds the complementary base pairs together in a double helix of DNA.

Correct! Wrong!

Hydrogen bond holds the complementary base pairs together in a double helix of DNA.

Hydrogen bonds are formed between ____ bases in DNA.

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Hydrogen bonds are formed between A (adenine) and T (thymine) bases in DNA.

Nucleolus____.

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Nucleolus is a non-membrane structure.

Which of the following statements is true regarding the movement of proteins and RNA through the nuclear pore?

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The transport of proteins and RNA is bidirectional between the nucleus and the cytoplasm.

More number of nucleoli will be associated with____.

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Nucleolus is the site for RNA synthesis and hence will be present in more numbers in cells carrying out protein synthesis.

Multinucleate condition is found in____.

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Multinucleate condition is seen in striated/skeletal muscles like those of the legs and hands.

Histones are ____.

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Histones are basic proteins associated with Chromatin.

____ is the variable part of the DNA nucleotide.

Correct! Wrong!

The nitrogen base is the variable part of the DNA nucleotide.

The components of a DNA nucleotide are ____.

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The components of a DNA nucleotide are a deoxyribose sugar, a base and a phosphate.

Nuclear pores are formed by ____.

Correct! Wrong!

The nuclear pores are formed by the fusion of the inner and the outer membrane.

In the structure of DNA ____ binds with cytosine.

Correct! Wrong!

In the structure of DNA deoxyribose binds with cytosine.

Structure of Chromosomes MCQs
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