Another name for ligase is

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Another name for ligase is

A. joining enzyme

B. RNA polymerase

C. nuclease

D. none of these

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The nucleus of a prokaryotic cell is represented by

A. a well-defined nuclear membrane

B. nucleolus only

C. double stranded circular DNA

D. single stranded DNA

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Physical basis of life is

A. nucleus

B. cell

C. protoplasm

D. nutrition

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Intake of liquid food by formation of food vacuoles is called

A. pinocytocis

B. phagocytosis

C. absorption

D. imbibition

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According to cell theory

A. all cells have nuclei

B. all cells are living

C. cells, are fundamental units of all the living organisms

D. cells arise from pre-existing cells

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Another name for ligase is

A. joining enzyme

B. RNA polymerase

C. nuclease

D. none of these

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The largest cell organelle is

A. nucleus

B. endoplasmic reticulum

C. chloroplast

D. mitochondria

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In the mitochondria, cytochromes are localised in

A. matrix

B. outer membrane

C. inner membrane

D. none of these

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There are 46 chromosomes in humans, of which

A. any 23 chromosomes are from father and remaining from the mother

B. the first 11 pairs and 'X' are from the father and next 11 pairs and 'Y' from the mother

C. the first 11 pairs and 'X' from mother and remaining from father

D. out of each pair one is received from the father and the other from the mother

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Which structure performs a similar function in both plant and animal cell

A. Ribosomes

B. Contractile vacuoles

C. Chloroplasts

D. Cell wall

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Nitrogenous bases of RNA are

A. uracil and adenine

B. thymine and uracil

C. uracil, adenine, guanine and cytosine

D. thymine, adenine, guanine and cytosine

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Concept of unit membrane was given by

A. Danielli and Davson

B. Singer and Davson

C. Buvat

D. Robertson

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One of the following is a single-membraned structure:

A. Chloroplast

B. Nucleus

C. Mitochondria

D. Lysosome

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The "chromosome theory of heredity" was given by

A. Sutton and Bateson

B. Bateson and Punnett

C. Sutton and Boveri

D. Waldeyer and Hofmeister

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Hydroly tic enzymes are abundant in

A. peroxisomes

B. microsomes

C. lysosome

D. lomasome

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The unit of heredity is

A. gene

B. centromere

C. telomere

D. chromosome

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Lysosomes were discovered by

A. Porter

B. DeDuve

C. Palade

D. Golgi

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Cells having large nuclei in proportion of cytoplasm are perhaps

A. dying

B. dehydrated

C. active

D. dividing

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The cells were first seen microscopically by

A. Scheiden

B. Schwann

C. Leeuwenhock

D. Robert Hook

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Function of Golgi bodies in plants is

A. transport of mutabolities

B. translocation of enzymes

C. synthesis of cell-wall

D. production of microbodies

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Granal thylakoids occur in a

A. chloroplast

B. mitochondrion

C. microtubules

D. crista

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Cellular components can be physically separated from each other by

A. centrifugation

B. radioactive tracers

C. microscopy

D. chromatography

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Chemical constitution of nucleus is

A. DNA and proteins

B. RNA and proteins

C. DNA, RNA and proteins

D. RNA arid DNA

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The nucleus of a plant cell was discovered by

A. Robert Brown

B. Huxley

C. Virchow

D. Hammerling

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The function of cristae in a mitochondrion is

A. electron transport and ATP synthesis

B. carbon assimilation

C. intake of $o_{2}$

D. elimination of $c o_{2}$

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Cell membranes are composed mainly of

A. sugar and proteins

B. lipids and proteins

C. starch and lipids

D. sugar and lipids

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Electron microscope has revealed the presence of

A. ribosomes

B. chromosomes

C. chloroplast

D. leucoplast

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Nobel prize for RNA synthesis was awarded to

A. A. Kornberg

B. S.Ochoa

C. H. Khorana

D. Nirenberg

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Janus-green-B is used for staining

A. ribosomes

B. chloroplast

C. mitochondrion

D. all of these

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In electron microscope the source of light used is

A. sunlight

B. UV-light

C. far red

D. beam of electrons

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The photosynthetic units are known as

A. dictyosomes

B. quantosomes

C. microsomes

D. ribosomes

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Accepted Answer

A. joining enzyme

Another name for ligase is

Correct Answer :

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Related Questions

The nucleus of a prokaryotic cell is represented by

Physical basis of life is

Intake of liquid food by formation of food vacuoles is called

According to cell theory

Another name for ligase is

The largest cell organelle is

In the mitochondria, cytochromes are localised in

There are 46 chromosomes in humans, of which

Which structure performs a similar function in both plant and animal cell

Nitrogenous bases of RNA are

Concept of unit membrane was given by

One of the following is a single-membraned structure:

The "chromosome theory of heredity" was given by

Hydroly tic enzymes are abundant in

The unit of heredity is

Lysosomes were discovered by

Cells having large nuclei in proportion of cytoplasm are perhaps

The cells were first seen microscopically by

Function of Golgi bodies in plants is

Granal thylakoids occur in a

Cellular components can be physically separated from each other by

Chemical constitution of nucleus is

The nucleus of a plant cell was discovered by

The function of cristae in a mitochondrion is

Cell membranes are composed mainly of

Electron microscope has revealed the presence of

Nobel prize for RNA synthesis was awarded to

Janus-green-B is used for staining

In electron microscope the source of light used is

The photosynthetic units are known as

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